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vultrsblog · 6 months ago

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How to Repair Corrupted MySQL Table?

I recently encountered an issue with one of my MySQL databases. A few tables seem to have become corrupted, and I’m getting errors like #126 - Incorrect key file for table and #1030 - Got error -1 from storage engine.

I’ve done some Googling and found a few solutions, but I’m unsure which method is the safest to avoid data loss. Has anyone here dealt with this issue before? What’s the best way to repair corrupted MySQL tables? Any advice would be greatly appreciated!

Reply 1:

Hi! Corrupted MySQL tables can happen for several reasons—abrupt server shutdowns, hardware failures, or bugs in the storage engine. Don’t worry; this is usually fixable!

The first thing you need to know is which storage engine your table is using—MyISAM or InnoDB. The repair process depends on that.

For MyISAM tables:

Backup your database first! Corruption repairs can sometimes cause data loss.

Run the CHECK TABLE table_name; command in MySQL. This will identify whether the table is corrupted.

Use the REPAIR TABLE table_name; command to fix the table.

If the above doesn’t work, you can manually repair it using the myisamchk tool.

Stop your MySQL server.

Run: myisamchk --recover /path/to/table_name.MYI

This process should resolve most MyISAM corruption issues.

Reply 2:

Hey there! For InnoDB tables, the approach is slightly different because InnoDB uses a crash recovery mechanism. Here’s what you can try:

Restart MySQL: Sometimes, a simple restart allows InnoDB to recover on its own.

Force Recovery Mode: If the restart doesn’t work, modify the my.cnf file by adding the following under [mysqld]:

makefile

Copy code

innodb_force_recovery = 1

Increase the value up to 6 if needed. Restart MySQL after each change.

Dump and Restore: Once the table is accessible, dump the data using mysqldump and restore it to a fresh table.

Always proceed with caution while using innodb_force_recovery. At higher levels, it may render your database read-only.

Reply 3:

Adding to what others have said, here are a few general tips for avoiding corruption in the future:

Use a stable power supply or UPS to prevent abrupt shutdowns.

Enable binary logging in MySQL for easy recovery.

Regularly back up your database. Tools like mysqldump, Percona XtraBackup, or automated backups can save you a lot of trouble.

Keep your MySQL server updated to avoid bugs.

If all else fails, check your server logs (/var/log/mysql/error.log on Linux) for detailed error messages. Sometimes the root cause isn’t immediately obvious.

Reply 4:

One last thing! If you’re stuck with serious corruption and can’t repair the table, try these steps:

Rename the corrupted table (RENAME TABLE old_table_name TO corrupted_table;).

Create a new table with the same schema.

Use a tool like SELECT INTO OUTFILE to retrieve as much data as possible from the corrupted table and re-import it into the new one.

Good luck, and don’t forget to test your recovery plan in a staging environment before applying changes to production!

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lifeinapic · 8 months ago

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fromdevcom · 8 months ago

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suncloudvn · 1 year ago

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Hướng dẫn các bước Backup MySQL Database cập nhật mới nhất

Backup MySQL Database là một bước quan trọng và không thể thiếu trong quản lý hệ thống cơ sở dữ liệu. Đối với MySQL, việc sao lưu cơ sở dữ liệu không chỉ giúp bảo vệ dữ liệu khỏi các sự cố không mong muốn mà còn hỗ trợ trong việc khôi phục dữ liệu một cách nhanh chóng và hiệu quả. Dưới đây là hướng dẫn chi tiết và cập nhật mới nhất về Backup MySQL Database.

1. Tại sao Backup MySQL Database quan trọng?

Sao lưu cơ sở dữ liệu MySQL giúp bạn bảo vệ dữ liệu khỏi mất mát do các sự cố như:

Lỗi phần cứng: Các lỗi này có thể xảy ra bất ngờ và gây mất dữ liệu nếu không có bản sao lưu.

Lỗi phần mềm: Lỗi trong phần mềm hoặc hệ điều hành có thể dẫn đến hỏng cơ sở dữ liệu.

Tấn công mạng: Tấn công từ hacker có thể xóa hoặc làm hỏng dữ liệu.

Lỗi của người dùng: Những thao tác nhầm lẫn như xóa dữ liệu hoặc ghi đè dữ liệu cũng có thể gây mất mát thông tin.

2. Các phương pháp Backup MySQL Database

2.1. Sử dụng lệnh “mysqldump”

mysqldump là một công cụ dòng lệnh phổ biến được tích hợp sẵn trong MySQL. Nó cho phép sao lưu toàn bộ cơ sở dữ liệu hoặc từng bảng riêng lẻ.

Cú pháp cơ bản:

mysqldump -u [username] -p [database_name] > [backup_file].sql

Trong đó:

[username] là tên người dùng MySQL.

[database_name] là tên của cơ sở dữ liệu bạn muốn sao lưu.

[backup_file].sql là tên tập tin sao lưu sẽ được tạo ra.

Ví dụ:

mysqldump -u root -p mydatabase > mydatabase_backup.sql

2.2. Sử dụng “mysqlpump”

mysqlpump là một công cụ sao lưu mới hơn so với mysqldump và được tối ưu hóa để nhanh chóng sao lưu cơ sở dữ liệu lớn bằng cách thực hiện song song.

Cú pháp cơ bản:

mysqlpump -u [username] -p [database_name] > [backup_file].sql

Ví dụ:

mysqlpump -u root -p mydatabase > mydatabase_backup.sql

2.3. Sử dụng “XtraBackup”

XtraBackup là một công cụ sao lưu từ Percona, cho phép sao lưu nhanh chóng và không làm gián đoạn hoạt động của cơ sở dữ liệu. Đây là lựa chọn tốt cho các cơ sở dữ liệu lớn và hệ thống yêu cầu cao về thời gian hoạt động.

Cài đặt Percona XtraBackup:

sudo apt-get install percona-xtrabackup-24

Thực hiện sao lưu:

xtrabackup --backup --target-dir=/path/to/backup/dir --user=[username] --password=[password]

2.4. Sử dụng lệnh SQL

Ngoài các công cụ dòng lệnh, bạn cũng có thể sao lưu cơ sở dữ liệu bằng cách xuất dữ liệu trực tiếp từ MySQL Workbench hoặc sử dụng các lệnh SQL.

Xuất dữ liệu từ MySQL Workbench:

Mở MySQL Workbench.

Kết nối đến cơ sở dữ liệu của bạn.

Chọn cơ sở dữ liệu cần sao lưu từ danh sách.

Chọn "Data Export" từ menu.

Chọn các bảng hoặc toàn bộ cơ sở dữ liệu để xuất và chọn định dạng tập tin.

Sử dụng lệnh SQL:

SELECT * INTO OUTFILE '/path/to/backup_file.csv' FROM table_name;

3. Lên lịch Backup MySQL Database tự động

Việc sao lưu thủ công có thể không hiệu quả đối với các hệ thống lớn hoặc có tần suất cập nhật cao. Do đó, việc thiết lập sao lưu tự động là cần thiết. Để thực hiện điều đó bạn có thể sử dụng các cách như sau:

3.1. Sử dụng Cron Jobs (Linux)

Cron là một trình lập lịch công việc tự động trên các hệ thống Unix-like. Bạn có thể tạo một cron job để tự động sao lưu cơ sở dữ liệu MySQL.

Bước 1: Mở trình chỉnh sửa cron

crontab -e

Bước 2: Thêm dòng lệnh sau để sao lưu hàng ngày lúc 2h00

0 2 * * * /usr/bin/mysqldump -u [username] -p[password] [database_name] > /path/to/backup/dir/[backup_file].sql

3.2. Sử dụng Task Scheduler (Windows)

Trên Windows, bạn có thể sử dụng Task Scheduler để lập lịch sao lưu tự động.

Bước 1: Mở Task Scheduler.

Bước 2: Tạo một tác vụ mới và thiết lập thời gian, tần suất chạy tác vụ.

Bước 3: Thêm hành động chạy tập lệnh sao lưu.

"C:\Program Files\MySQL\MySQL Server 8.0\bin\mysqldump.exe" -u [username] -p[password] [database_name] > C:\path\to\backup\dir\[backup_file].sql

4. Kiểm tra và khôi phục dữ liệu

Backup MySQL Database chỉ thực sự có giá trị khi bạn có thể khôi phục nó một cách chính xác. Do đó, việc kiểm tra định kỳ các tập tin sao lưu và quy trình khôi phục là rất quan trọng.

4.1. Kiểm tra sao lưu

Bạn nên định kỳ kiểm tra các tập tin sao lưu để đảm bảo rằng chúng không bị hỏng và có thể sử dụng được khi cần thiết.

Ví dụ:

mysql -u [username] -p [database_name] < /path/to/backup/dir/[backup_file].sql

4.2. Khôi phục cơ sở dữ liệu

Khôi phục cơ sở dữ liệu từ tập tin sao lưu có thể được thực hiện dễ dàng bằng lệnh mysql.

Cú pháp:

mysql -u [username] -p [database_name] < [backup_file].sql

Ví dụ:

mysql -u root -p mydatabase < mydatabase_backup.sql

Kết Luận

Backup MySQL Database là một quy trình quan trọng và cần được thực hiện định kỳ để bảo vệ dữ liệu của bạn. Bằng cách sử dụng các công cụ và phương pháp sao lưu khác nhau như mysqldump, mysqlpump, XtraBackup, và thiết lập sao lưu tự động, có thể đảm bảo rằng dữ liệu của bạn luôn an toàn và có thể khôi phục nhanh chóng khi cần thiết. Đừng quên kiểm tra định kỳ các bản sao lưu để đảm bảo tính toàn vẹn và khả năng khôi phục của chúng.

Nguồn: https://suncloud.vn/backup-mysql-database

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gslin · 1 year ago

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#IFTTT #Gea-Suan Lin's BLOG

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ankaapmo · 7 years ago

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This Week in Data With Colin Charles #54: Percona Server for MySQL Is Alpha - #Ankaa

This Week in Data With Colin Charles #54: Percona Server for MySQL Is Alpha I consider this to be the biggest news for the week: Alpha Build of Percona Server for MySQL 8.0. Experiment with it in a Docker container. It is missing column compression with dictionary support, native partitioning for TokuDB and MyRocks (excited to see that this is coming!), and encryption... https://ankaa-pmo.com/this-week-in-data-with-colin-charles-54-percona-server-for-mysql-is-alpha/ #Database #Mariadb #Mysql #Percona_Server

#database #mariadb #mysql #percona server #Actualités #Méthodes et organisation des process IT

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williamedwardscoder · 6 years ago

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Slow database? It might not be your fault

<rant>

Okay, it usually is your fault. If you logged the SQL your ORM was generating, or saw how you are doing joins in code, or realised what that indexed UUID does to your insert rate etc you’d probably admit it was all your fault. And the fault of your tooling, of course.

In my experience, most databases are tiny. Tiny tiny. Tables with a few thousand rows. If your web app is slow, its going to all be your fault. Stop building something webscale with microservices and just get things done right there in your database instead. Etc.

But, quite often, each company has one or two databases that have at least one or two large tables. Tables with tens of millions of rows. I work on databases with billions of rows. They exist. And that’s the kind of database where your database server is underserving you. There could well be a metric ton of actual performance improvements that your database is leaving on the table. Areas where your database server hasn’t kept up with recent (as in the past 20 years) of regular improvements in how programs can work with the kernel, for example.

Over the years I’ve read some really promising papers that have speeded up databases. But as far as I can tell, nothing ever happens. What is going on?

For example, your database might be slow just because its making a lot of syscalls. Back in 2010, experiments with syscall batching improved MySQL performance by 40% (and lots of other regular software by similar or better amounts!). That was long before spectre patches made the costs of syscalls even higher.

So where are our batched syscalls? I can’t see a downside to them. Why isn’t linux offering them and glib using them, and everyone benefiting from them? It’ll probably speed up your IDE and browser too.

Of course, your database might be slow just because you are using default settings. The historic defaults for MySQL were horrid. Pretty much the first thing any innodb user had to do was go increase the size of buffers and pools and various incantations they find by googling. I haven’t investigated, but I’d guess that a lot of the performance claims I’ve heard about innodb on MySQL 8 is probably just sensible modern defaults.

I would hold tokudb up as being much better at the defaults. That took over half your RAM, and deliberately left the other half to the operating system buffer cache.

That mention of the buffer cache brings me to another area your database could improve. Historically, databases did ‘direct’ IO with the disks, bypassing the operating system. These days, that is a metric ton of complexity for very questionable benefit. Take tokudb again: that used normal buffered read writes to the file system and deliberately left the OS half the available RAM so the file system had somewhere to cache those pages. It didn’t try and reimplement and outsmart the kernel.

This paid off handsomely for tokudb because they combined it with absolutely great compression. It completely blows the two kinds of innodb compression right out of the water. Well, in my tests, tokudb completely blows innodb right out of the water, but then teams who adopted it had to live with its incomplete implementation e.g. minimal support for foreign keys. Things that have nothing to do with the storage, and only to do with how much integration boilerplate they wrote or didn’t write. (tokudb is being end-of-lifed by percona; don’t use it for a new project 😞)

However, even tokudb didn’t take the next step: they didn’t go to async IO. I’ve poked around with async IO, both for networking and the file system, and found it to be a major improvement. Think how quickly you could walk some tables by asking for pages breath-first and digging deeper as soon as the OS gets something back, rather than going through it depth-first and blocking, waiting for the next page to come back before you can proceed.

I’ve gone on enough about tokudb, which I admit I use extensively. Tokutek went the patent route (no, it didn’t pay off for them) and Google released leveldb and Facebook adapted leveldb to become the MySQL MyRocks engine. That’s all history now.

In the actual storage engines themselves there have been lots of advances. Fractal Trees came along, then there was a SSTable+LSM renaissance, and just this week I heard about a fascinating paper on B+ + LSM beating SSTable+LSM. A user called Jules commented, wondered about B-epsilon trees instead of B+, and that got my brain going too. There are lots of things you can imagine an LSM tree using instead of SSTable at each level.

But how invested is MyRocks in SSTable? And will MyRocks ever close the performance gap between it and tokudb on the kind of workloads they are both good at?

Of course, what about Postgres? TimescaleDB is a really interesting fork based on Postgres that has a ‘hypertable’ approach under the hood, with a table made from a collection of smaller, individually compressed tables. In so many ways it sounds like tokudb, but with some extra finesse like storing the min/max values for columns in a segment uncompressed so the engine can check some constraints and often skip uncompressing a segment.

Timescaledb is interesting because its kind of merging the classic OLAP column-store with the classic OLTP row-store. I want to know if TimescaleDB’s hypertable compression works for things that aren’t time-series too? I’m thinking ‘if we claim our invoice line items are time-series data…’

Compression in Postgres is a sore subject, as is out-of-tree storage engines generally. Saying the file system should do compression means nobody has big data in Postgres because which stable file system supports decent compression? Postgres really needs to have built-in compression and really needs to go embrace the storage engines approach rather than keeping all the cool new stuff as second class citizens.

Of course, I fight the query planner all the time. If, for example, you have a table partitioned by day and your query is for a time span that spans two or more partitions, then you probably get much faster results if you split that into n queries, each for a corresponding partition, and glue the results together client-side! There was even a proxy called ShardQuery that did that. Its crazy. When people are making proxies in PHP to rewrite queries like that, it means the database itself is leaving a massive amount of performance on the table.

And of course, the client library you use to access the database can come in for a lot of blame too. For example, when I profile my queries where I have lots of parameters, I find that the mysql jdbc drivers are generating a metric ton of garbage in their safe-string-split approach to prepared-query interpolation. It shouldn’t be that my insert rate doubles when I do my hand-rolled string concatenation approach. Oracle, stop generating garbage!

This doesn’t begin to touch on the fancy cloud service you are using to host your DB. You’ll probably find that your laptop outperforms your average cloud DB server. Between all the spectre patches (I really don’t want you to forget about the syscall-batching possibilities!) and how you have to mess around buying disk space to get IOPs and all kinds of nonsense, its likely that you really would be better off perforamnce-wise by leaving your dev laptop in a cabinet somewhere.

Crikey, what a lot of complaining! But if you hear about some promising progress in speeding up databases, remember it's not realistic to hope the databases you use will ever see any kind of benefit from it. The sad truth is, your database is still stuck in the 90s. Async IO? Huh no. Compression? Yeah right. Syscalls? Okay, that’s a Linux failing, but still!

Right now my hopes are on TimescaleDB. I want to see how it copes with billions of rows of something that aren’t technically time-series. That hybrid row and column approach just sounds so enticing.

Oh, and hopefully MyRocks2 might find something even better than SSTable for each tier?

But in the meantime, hopefully someone working on the Linux kernel will rediscover the batched syscalls idea…? ;)

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lilywatson090 · 6 years ago

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Magento 2 vs Magento 1 – Is the upgrade worth it?

Since Magento Community Edition (Magento CE) is free to download, it is up to you to decide whether to upgrade to the latest 2.x version and how. Those holding licenses for Magento Enterprise Edition 1.x (Magento EE) can extend their licenses for the current version of the software but must upgrade to Magento 2 before December 2018.

Hence, like it or not, merchants using Magento 1 will be forced to upgrade to Magento 2 or migrate to another eCommerce platform by the end of 2018. By that date, the 1.x versions of the community edition will be so archaic that they will require a virtually mandatory upgrade as well.

Is the upgrade worth it? It depends on many factors such as the technical requirements to implement the new version and the total cost of ownership. Furthermore, you should check whether you could take complete advantage of the new key features, which you are paying for.

- System requirements Let’s take a look at the system requirements. Magento 1 is running on Linux x86 and x86-64 while Magento 2 can be deployed only on the newer Linux x86-64. It is hard to tell whether this is bad or good news in the short-run and it all depends on your existing server environment or the software infrastructure of your hosting provider.

If your organization or hosting provider does not plan to switch completely to Linux x86-64 in the near feature, then you may consider staying with Magento 1.

Both versions require Apache or Nginx web server, with Magento 2 supporting the most recent version of the software. Magento 1 needs PHP 5.4 or 5.5 to run while Magento 2 can take advantage of the new features provided by the PHP 7.0.2 version.

A notable improvement in Magento 2 is the integration of new technologies like HTML 5, CSS 3, support for PHP 7 and Apache 2.2. That said, Magento 2 naturally integrates the latest frameworks, which, in theory, should boost speed and provide better customer experience through improved technology.

Magento 1 requires MySQL 5.6 (Oracle or Percona) database while the new versions support MySQL 5.6.x. Magento 2.0 and 2.1 are able to use three master databases, providing scalability of key areas such as order management, product management, and checkout, which in turn results in better performance.

This is a notable improvement towards better scalability but is not a factor you should consider if you already run a stable software environment and do not plan aggressive expansion in the near future.

- Key new features Magento 2 offers major improvements in the administrative user interface, which now allows merchants to access their online stores using responsive navigation through devices based on touch technology. Import and export of products were improved to support cross-sales and upselling.

A step-by-step product creation tools enable faster creation of configurable products bypassing the manual creation of a simple product required in the earlier Magento versions. Drag-and-drop administrative tools are another notable improvement, especially compared to the quite unintuitive UI of the older versions.

Another key improvement is the checkout process that now requires only 2 steps, compared to the 5-step process in the older version. The overall experience was also improved through one-click account creation and auto-recognition of registered clients.

A 5-step checkout in the older version is definitely something you should be worrying about since most eCommerce platforms already provide functionality for 2-step or 3-step checkout. The majority of marketing experts are of opinion that 2-step checkout and guest checkout markedly improve conversion rates.

The new Magento edition supports full page caching through the Varnish web accelerator, providing faster page loading time. It also provides new built-in responsive themes for faster store creation.

Well, page and site caching are offered also at the level of your hosting but faster website loading matters nowadays. One should also welcome a new functionality for better compression of images and faster loading of JavaScript in content-rich stores. This will result in better performance of Magento 2-based merchants.

Magento 2 also provides support for Composer, a PHP dependency manager, to manage dependencies when developing extensions or tweaking the codebase. This new feature should help your developers in the implementation of flawless customizations to your store, which is a good thing.

Although not exactly a feature, the Magento commitment to quarterly updates of the platform should be considered a major improvement. Furthermore, Magento Connect was reorganized into Magento Marketplace where all extensions to the eCommerce platform are assessed by the team of Magento.

It is not a money-back guarantee but introduces a new level of reliability for both free and paid third-party extensions.

- Cost After the launch of Magento 2, no new licenses are offered for Magento EE 1.x versions. The cost of the license for Magento 1 platform was USD 18,000 a year and the pricing model was based on a per-server basis. Current holders of 1.x licenses can extend them up to December 2018.

A new revenue model was introduced with the enterprise version of Magento 2.x. It is unclear whether the decision to change the pricing model was taken before or after Magento Commerce split from eBay in November 2015; nonetheless, it follows the pricing model and structure of other market players such as Shopify, BigCommerce, PrestaShop, and Volsuion.

Magento 2 is taking into account the use of modern server load balancing methods and is therefore based on a revenue-sharing model.

Thus, the starting package for Magento 2 EE is set at USD 22,000 per year for a store that makes up to USD 1 million in annual sales. The company also charges a minimum of 2.2% on every sale made.

Merchants earning USD 1 million to USD 5 million in annual sales should pay USD 32,000 a year for the Magento 2 license and will be charged between 3.2% and 0.64% on a transaction. Those grossing between USD 5 million and USD 10 million a year are charged 0.98% to 0.49% on top of annual license worth USD 49,000.

Stores making sales worth USD 10 million to USD 25 million a year can purchase an annual license for USD 75,000 and will be charged 0.75% to 0.3% on every sale completed. The cost of each license includes 24/7 support by Magento.

All versions of the community edition are free for download, including the 2.x releases of the platform. The company has no plans to discontinue Magento CE in the near future.

- Migration to Magento 2.x Data migration tool is available for Magento CE and Magento EE and, reportedly, the transfer of stored data is working seamlessly in both the editions of the platform.

Magento 2 does not allow for direct migration of Magento 1.x themes, both within the community and the enterprise edition. Nonetheless, Magento license holders can take advantage of new built-in themes while Magento provides extended support for theme migration.

Most Magento 1 extensions are not compatible with Magento 2 but upgraded versions are available for purchase or download via the Magento Marketplace. This applies to both Magento CE and Magento EE. There is a good chance the extensions updated to run on Magento 2 will be more stable and reliable after the introduction of Magento Marketplace with its stricter supervision.

Most custom code implemented in Magento 1 can be migrated into Magento 2 but some custom-made extensions might require significant re-coding to run on Magento 2. This could be a pain if you have invested heavily in custom development under Magento 1 but should upgrade to Magento 2.

#magento #Magento 1.x #Magento 2 #Magento 2 vs Magento 1 #VT Netzwelt

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gomagentowebdevelopment-blog · 6 years ago

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Magento 2 vs Magento 1 – Is the upgrade worth it?

VT Netzwelt is one of the leading digital technology Company offering e-commerce development services. Magento is one of the most popular e‐commerce carts, which presently enjoys a market share of around 30 percent. In fact, it has recorded a 60 % higher growth in the year 2014 as compared to the year 2013.

Magento 2.0 was released on November 2015, after four years of development, aiming to replace the 1.x version of the eCommerce platform. A new version of the platform was released simultaneously for the Enterprise and the Community Edition, thus introducing new features and functionality within the paid and the free eCommerce solution provided by Magento. VT Netzwelt offering the best Magento development services and in order to create the perfect online business store, you need an e-commerce platform that offers easy customization. This helps in maximizing sales and optimizing operations Since Magento Community Edition (Magento CE) is free to download, it is up to you to decide whether to upgrade to the latest 2.x version and how. Those holding licenses for Magento Enterprise Edition 1.x (Magento EE) can extend their licenses for the current version of the software but must upgrade to Magento 2 before December 2018. Hence, like it or not, merchants using Magento 1 will be forced to upgrade to Magento 2 or migrate to another eCommerce platform by the end of 2018. By that date, the 1.x versions of the community edition will be so archaic that they will require a virtually mandatory upgrade as well. Is the upgrade worth it? It depends on many factors such as the technical requirements to implement the new version and the total cost of ownership. Furthermore, you should check whether you could take complete advantage of the new key features, which you are paying for.

System requirements

Let’s take a look at the system requirements. Magento 1 is running on Linux x86 and x86-64 while Magento 2 can be deployed only on the newer Linux x86-64. It is hard to tell whether this is bad or good news in the short-run and it all depends on your existing server environment or the software infrastructure of your hosting provider. If your organization or hosting provider does not plan to switch completely to Linux x86-64 in the near feature, then you may consider staying with Magento 1. Both versions require Apache or Nginx web server, with Magento 2 supporting the most recent version of the software. Magento 1 needs PHP 5.4 or 5.5 to run while Magento 2 can take advantage of the new features provided by the PHP 7.0.2 version. A notable improvement in Magento 2 is the integration of new technologies like HTML 5, CSS 3, support for PHP 7 and Apache 2.2. That said, Magento 2 naturally integrates the latest frameworks, which, in theory, should boost speed and provide better customer experience through improved technology. Magento 1 requires MySQL 5.6 (Oracle or Percona) database while the new versions support MySQL 5.6.x. Magento 2.0 and 2.1 are able to use three master databases, providing scalability of key areas such as order management, product management, and checkout, which in turn results in better performance. This is a notable improvement towards better scalability but is not a factor you should consider if you already run a stable software environment and do not plan aggressive expansion in the near future.

Key new features

Magento 2 offers major improvements in the administrative user interface, which now allows merchants to access their online stores using responsive navigation through devices based on touch technology. The import and export of products were improved to support cross-sales and upselling. A step-by-step product creation tools enable faster creation of configurable products bypassing the manual creation of a simple product required in the earlier Magento versions. Drag-and-drop administrative tools are another notable improvement, especially compared to the quite unintuitive UI of the older versions. Another key improvement is the checkout process that now requires only 2 steps, compared to the 5-step process in the older version. The overall experience was also improved through one-click account creation and auto-recognition of registered clients. A 5-step checkout in the older version is definitely something you should be worrying about since most eCommerce platforms already provide functionality for a 2-step or 3-step checkout. The majority of marketing experts are of opinion that 2-step checkout and guest checkout markedly improve conversion rates. The new Magento edition supports full page caching through the Varnish web accelerator, providing faster page loading time. It also provides new built-in responsive themes for faster store creation. Well, page and site caching are offered also at the level of your hosting but faster website loading matters nowadays. One should also welcome a new functionality for better compression of images and faster loading of JavaScript in content-rich stores. This will result in better performance of Magento 2-based merchants. Magento 2 also provides support for Composer, a PHP dependency manager, to manage dependencies when developing extensions or tweaking the codebase. This new feature should help your developers in the implementation of flawless customizations to your store, which is a good thing. Although not exactly a feature, the Magento commitment to quarterly updates of the platform should be considered a major improvement. Furthermore, Magento Connect was reorganized into Magento Marketplace where all extensions to the eCommerce platform are assessed by the team of Magento. It is not a money-back guarantee but introduces a new level of reliability for both free and paid third-party extensions. Read More

#EcommerceWebSolutions #EcommerceDevelopmentServices #MagentoDevelopmentServices

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weetechsolution · 2 years ago

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The Full List of System Requirements to Install Magento 2

If you're looking to install Magento 2, one of the most important things you need to consider is whether your system meets the requirements. Magento 2 is a robust e-commerce platform that requires a specific set of software and hardware specifications to function correctly.

You must meet Magento 2 system requirements to avoid issues such as slow performance, errors, or even failure to install. In this article, we'll review the full list system requirements to install Magento 2, including the recommended hardware, software, and other prerequisites to ensure a smooth installation and optimal online store performance.

Magento 2 system requirements

Magento 2, a modern e-commerce platform, provides various web services that enable developers to access and interact with Magento's core functionalities remotely. To utilize these web services, there are several requirements that you must meet. Here are some of the key web service requirements for Magento 2: A web server: To host your Magento 2 website, you need a web server, such as Apache or Nginx, that can run PHP and support HTTPS.

Magento 2 installation: Before using Magento 2 web services, you must have Magento 2 installed and running on your web server.

Magento 2 API: Magento 2 provides a REST API and a SOAP API that you can use to access its functionalities remotely. To use these APIs, you need to enable them in the Magento 2 backend and configure access permissions.

Authentication: Magento 2 web services require authentication to ensure that only authorized users can access them. You can use OAuth or token-based authentication to secure your web services.

XML or JSON format: Magento 2 web services use either XML or JSON format to transfer data between the client and the server. You must ensure that your client supports the design you want to use.

HTTP or HTTPS: Magento 2 web services support HTTP and protocols. However, using HTTPS to ensure secure data transmission is highly recommended.

PHP extensions: Magento 2 web services require specific PHP extensions to function correctly. These extensions include SOAP, OpenSSL, and Curl.

By meeting these web service requirements, you can leverage the power of Magento 2 and develop custom applications that can access and interact with its functionalities remotely. This can enhance the user experience of your e-commerce website and increase its overall efficiency.

Magento 2 service requirements

Magento 2 is a powerful e-commerce platform that requires specific system requirements to function correctly. These requirements can vary based on the size of your store and the number of visitors you expect to receive. Here are some of the essential Magento 2 service requirements:

Web server: Magento 2 requires a web server that supports PHP 7.4 or later, including Apache, Nginx, and Microsoft IIS.

Database: Magento 2 requires a relational database management system (RDBMS) such as MySQL, MariaDB, or Percona.

PHP extensions: Magento 2 requires specific PHP extensions to function correctly, such as PHP extensions for BCmath, Ctype, cURL, DOM, GD, hash, iconv, intl, Mbstring, OpenSSL, PDO_mysql, SimpleXML, SOAP, XSL, and Zip.

ElasticSearch: Magento 2 uses ElasticSearch to provide advanced search functionality. ElasticSearch can be installed on the same server as Magento or on a separate server.

Redis or Varnish: Magento 2 uses Redis or Varnish to improve performance and reduce server load. Redis is used for session storage and caching, while Varnish is used for full-page caching.

RAM and CPU: The amount of RAM and CPU required by Magento 2 can vary depending on the size of your store and the number of visitors you expect to receive. Magento 2 recommends a minimum of 2GB of RAM and a 2GHz or faster CPU.

SSL certificate: Magento 2 requires an SSL certificate to ensure secure data transmission between the web server and the client.

Meeting these Magento 2 service requirements ensures your e-commerce store runs smoothly and provides a great user experience. Failure to fulfill these specifications may end in slow performance, errors, or even failure to install Magento 2.

Magento 2 system feature detail

Magento 2 is a robust e-commerce platform that offers a wide range of features designed to help businesses sell their products online. Here are some of the key Magento 2 system features in detail:

Store management: Magento 2 provides a powerful store management system that allows you to manage multiple stores, websites, and store views from a single dashboard. You can easily create new stores and configure their settings, including languages, currencies, and tax rules.

Catalog management: With Magento 2, you can easily manage your product catalog. You can add and edit products, create categories, and set pricing and inventory levels. You can also set up attributes and attribute sets to manage your product data more efficiently.

Order management: Magento 2 allows you to manage your orders from a single dashboard. You can view, edit, process orders, manage invoices, and issue refunds. You can also create custom order statuses and workflows to match your business needs.

Marketing and promotions: Magento 2 provides a wide range of marketing and promotional tools to help you attract and retain customers. You can create discounts, coupons, and special offers, set up email campaigns, and manage customer loyalty programs.

Payment and shipping: Magento 2 supports various payment and shipping options, including PayPal, credit cards, and direct bank transfers. You can set up shipping rules based on weight, destination, and shipping carrier and provide customers with real-time shipping rates.

SEO and analytics: Magento 2 has built-in SEO features to help you optimize your store for search engines. You can set up meta tags, create search-friendly URLs, and generate site maps. You can also integrate with Google Analytics to track your store's performance and customer behavior.

Mobile-responsive design: Magento 2 offers a mobile-responsive design that allows your store to look and function seamlessly across all devices, including desktops, tablets, and smartphones.

Security and performance: Magento 2 provides robust security features to help protect your store and customer data. It also offers performance optimization tools to help improve page load times, including full-page caching and image compression.

Overall, Magento 2 is a comprehensive e-commerce platform that provides businesses with robust features to sell their products online. With its flexible and customizable design, Magento 2 can be tailored to meet the specific needs of your business.

Magento 2 enterprise requirement

Magento 2 Enterprise, or Magento Commerce, is a premium version of the Magento 2 e-commerce platform that offers advanced features and support for larger and more complex businesses. Here are some of the essential Magento 2 Enterprise requirements:

Dedicated server: Magento 2 Enterprise requires a dedicated server with a minimum of 2 cores and 8GB of RAM. A dedicated server ensures your website can handle high traffic volumes and provides optimal performance.

ElasticSearch: Magento 2 Enterprise requires ElasticSearch to provide advanced search functionality, including synonyms, stop words, and spelling correction.

Advanced reporting: Magento 2 Enterprise provides advanced reporting and analytics tools, including sales and marketing reports, customer segmentation, and Google Analytics integration.

Staging and preview environments: Magento 2 Enterprise allows you to set up staging and preview environments to test changes and updates before deploying them to your live site.

Content staging: Magento 2 Enterprise provides a content staging feature that allows you to create and preview multiple versions of your website content, including pages, blocks, and widgets.

Advanced customer segmentation: Magento 2 Enterprise provides advanced customer segmentation capabilities that allow you to target specific customer groups with personalized content, promotions, and discounts.

Performance optimization: Magento 2 Enterprise includes features such as full-page caching, image compression, and lazy loading to ensure fast page load times and a smooth user experience.

Support and maintenance: Magento 2 Enterprise comes with dedicated support and maintenance services, including security updates, bug fixes, and technical support.

Overall, Magento 2 Enterprise is designed for larger and more complex businesses that require advanced features and support to succeed in e-commerce. By meeting these Magento 2 Enterprise requirements, you can ensure that your online store runs smoothly and provides a great user experience for your customers.

In conclusion, installing Magento 2 requires meeting a set of system requirements to ensure optimal performance and functionality. These requirements include a web server, a database server, PHP, and various PHP extensions.

Magento 2 requires specific web service requirements such as SOAP and REST. Once these requirements are met, Magento 2 provides a powerful e-commerce platform that offers features such as store management, catalog management, order management, marketing and promotions, payment and shipping, SEO and analytics, mobile-responsive design, and security and performance optimization.

Magento 2 Enterprise offers advanced features and support for larger and more complex businesses, including a dedicated server, ElasticSearch, advanced reporting, staging and preview environments, advanced customer segmentation, and performance optimization. By meeting these Magento 2 system requirements, businesses can create a robust and reliable e-commerce store that can scale and adapt to meet their needs. We hope this blog on the full list of system requirements to install Magento 2 is useful to the readers.

#magento #magento2 #ecommerce

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syslog · 2 years ago

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フラットファイル CMS について調べていて知ったけど，Drupal は SQLite を正式にサポートしているらしい。

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script-ease · 6 years ago

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jveest · 3 years ago

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Linux & Network administration роадмап:

Модуль Linux

✔ комп’ютерні та операційні системи (архітектура, компоненти),

✔ командна строка, оболонка Bash, параметри оточення, атрибути та ключі команд,

✔ базові утіліти cat, tail,

✔ файлові системи (fdisk, tune2fs, mount),

✔ робота з файлами, директоріями та архівами (команди file, grep, gzip, bzip2, tar),

✔ процеси (lsof, strace, ps, pstree, top) та міжпроцесорна взаємодія (системні визови, потоки вводу-виводу, канали),

✔ користувачі, супер-юзер, права доступа,

✔ утіліта Screen та керування сесіями,

✔ встановлення і оновлення ПЗ (репозиторії, yum, rpm),

✔ системні утіліти (Systemctl, Cron).

Модуль Networks

✔ Функціонування IP-мереж

✔ Модель OSI та стек протоколів TCP/IP

✔ Рівні передачі даних у мережі – фізичний, канальний, мережевий транспортний та прикладний

✔ Протоколи ARP, IP, ICMP, TCP, UDP, FTP, SFTP, SSH, HTTP, DNS

✔ Утиліти ip, tcpdump, traceroute, nmap, nc, netstat, ss

✔ Адресація та маршрутизація в IP-мережах

✔ Передача файлів та віддалена робота із сервером.

✔ Моделювання мережі в Packet Tracer та аналізатор трафіка – Wireshark

✔ Безпека у мережі – iptables.

Модуль MySQL

✔ Встановлення та робота з СКБД Percona MySQL

✔ Налаштування MySQL, базові SQL-запити, резервне копіювання даних

✔ Робота з користувачами та корисні програми

✔ Налаштування реплікації

Модуль Web server application

✔ Встановлення та налаштування Web-серверу Apache

✔ Оптимізаці�� швидкодії серверу

✔ Налаштування віртуальних хостів

✔ Шифрування: HTTPS та SSL-сертифікати

✔ Робота стеку LAMP

Модуль Technical troubleshooting

✔ Пошук та усунення помилок у налаштуваннях серверу

✔ Інструменти діагностики швидкодії серверу

✔ Оптимізація швидкодії серверу

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