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Previous 30 Newer Entries Showing entries 61 to 90 of 193 Next 30 Older Entries

Displaying posts with tag: Announcements (reset)

Comic video about developing dbForge Studio for MySQL
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Our company has been working on its own MySQL GUI client development for over 6 years. Many features were implemented in this product in accordance with our users’ requests, that acted as task originators for us. We are glad that the development process of our MySQL Front-End goes on and on, and we were able to release version 5.0 of the product. For the release of version 5.0, we decided to make a special video telling about the product history. You can see the result.

Funny video about history of our MySQL GUI tool

We did not intend to have a professional video made by clip-makers. The video was shot frame-by-frame using a common digital camera.

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Comic video about developing dbForge Studio for MySQL
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Our company has been working on its own MySQL GUI client development for over 6 years. Many features were implemented in this product in accordance with our users’ requests, that acted as task originators for us. We are glad that the development process of our MySQL Front-End goes on and on, and we were able [...]
MySQL Workbench 5.2.34 GA Available
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The MySQL Developer Tools team is pleased to announce the next release of it’s flagship product, MySQL Workbench, version 5.2.34. This is a maintenance release containing 100 bug fixes; ranging from stability improvements on all supported platforms – including some that prevented startup in certain environments – to minor but significant usability corrections.

As always, we want to thank everyone for the great feedback we have received. This helps us to continuously improve the functionality and stability of MySQL Workbench – we appreciate all your ideas for improving MySQL Workbench.  Please keep sending us your ideas!

MySQL Workbench 5.2 GA

  • Data Modeling
  • Query (replaces the old MySQL Query Browser)
  • Administration (replaces the old MySQL Administrator)

Please get your copy from our Download site. Sources and binary packages are

  [Read more...]
MySQL GUI: dbForge Studio for MySQL – new cutting-edge version released!
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In the new version we made a lot of improvements and added a whole pack of new features in almost all dbForge Studio’s tools. And the most remarkable thing about this release is that nearly all novelties were suggested by our users. So we hope they will enjoy working with the new version and feel that they have contributed a lot to make it as it is.

Cutting-Edge MySQL GUI Client: dbForge Studio for MySQL

With the help of our users we could work on the product on the new level, and as a result of such successful tight cooperation its standard of quality grew. This new standard includes taking into account actual needs of people using

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MySQL GUI: dbForge Studio for MySQL – new cutting-edge version released!
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In the new version we made a lot of improvements and added a whole pack of new features in almost all dbForge Studio’s tools. And the most remarkable thing about this release is that nearly all novelties were suggested by our users. So we hope they will enjoy working with the new version and feel [...]
GUI Tool for MySQL: dbForge Studio for MySQL, v4.50.342 Released
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Changes (as compared to 4.50.339) include:
Bug fixes:
* The error on entering selection criteria after selecting Group By fields in Query Builder fixed (T26884)
* The problem with showing 0 as a parameter value instead of NULL in the parameter editor fixed (T26867)
* Removing field’s autoincrement sign on adding index in the table fixed (T24859)
* Extra new line on copying data from a cell in Data Editor removed (T27021)
* The problem with losing ON UPDATE CURRENT_TIMESTAMP during editing a table fixed (T27090)
* The problems with connecting to MySQL Server via SSH tunnel fixed (T26911, T20079)
* InvalidOperationExceptions on generating schema synchronization script in the Schema Comparison tool fixed (T27106, T27108)

Downloads: http://www.devart.com/dbforge/mysql/studio/download.html

GUI Tool for MySQL: dbForge Studio for MySQL, v4.50.342 Released
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Changes (as compared to 4.50.339) include:
Bug fixes:
* The error on entering selection criteria after selecting Group By fields in Query Builder fixed (T26884)
* The problem with showing 0 as a parameter value instead of NULL in the parameter editor fixed (T26867)
* Removing field’s autoincrement sign on adding index in the table fixed (T24859)
* Extra new line on copying data from a cell in Data Editor removed (T27021)
* The problem with losing ON UPDATE CURRENT_TIMESTAMP during editing a table fixed (T27090)
* The problems with connecting to MySQL Server via SSH tunnel fixed (T26911, T20079)
* InvalidOperationExceptions on generating schema synchronization script in the Schema Comparison tool fixed (T27106, T27108)

Downloads: http://www.devart.com/dbforge/mysql/studio/download.html

On TRIM, NCQ, and Write Amplification
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Alex Popescu wrote a blog post asking some questions about RethinkDB and SSD performance. There is a related Twitter conversation happening here. There are two fundamental questions:

  • In which cases does SSD performance begin to degrade over time?
  • How does the TRIM command affect performance degradation?

The questions are very deep and I cannot do them justice in a single blog post, but I decided to post a quick write-up as a start.

Flash basics

Flash memory has physical properties that prevent overwriting a data block directly. Before new version of the data can be written, a special ERASE command must be called on the block. Erasing a block is significantly slower than writing to a

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MySQL Workbench 5.2.33 GA Available
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The MySQL developer tools team announces the next release of it’s flagship product, MySQL Workbench – version 5.2.33. This is a maintenance release only which corrects some problems we didn’t cover in last release. It contains fixes for 7 bugs or enhancement requests.

As always, we want to thank everyone for the great feedback we have received. This helps us to continuously improve the functionality and stability of MySQL Workbench – we appreciate all your ideas for improving MySQL Workbench.  Please keep sending us your ideas!

MySQL Workbench 5.2 GA

  • Data Modeling
  • Query (replaces the old MySQL Query Browser)
  • Administration (replaces the old MySQL Administrator)

Please get your copy from our Download site. Sources and binary packages are available for several platforms, including Windows, Mac OS X and Linux.

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MySQL Workbench 5.2.32 GA Available
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We’re proud to announce the next release of MySQL Workbench, version 5.2.32. This is a maintenance release featuring
a new and improved UI appearance and several corrections and other enhancements.

The tabbed interface has been refreshed to obtain a clearer separation between different modules of Workbench, while improving responsiveness when switching between tabs. The Query Formatter has been rewritten and is now faster and more robust on its handling of queries. The layout of the Administration module has been changed to allow for easier future expansion and use less vertical screen space. Parts that had problems managing MySQL 5.5 servers have been fixed along other total of 53 bugs or enhancement requests have been addressed.

As always, we want to thank everyone for the great feedback we have received. This helps us to continuously improve the functionality and stability of MySQL


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RethinkDB internals: the caching architecture
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A few days ago Salvatore Sanfilippo wrote about his work on a new Redis diskstore – a reworking of the old VM layer based on a different set of assumptions and tradeoffs. I was very interested in the new approach because it is very similar to the RethinkDB caching architecture in principle. When we designed our caching layer we had a number of constraints we needed to satisfy:

  • Performance – the system needed to work at memory speeds when the data fits into RAM, as well as when the data far exceeds the amount of available RAM, but the active working dataset mostly fits into RAM. Once the active dataset no longer fits into RAM, the system still needs to work at the
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Handling stack overflow on custom stacks
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On my computer, the callstack of a new process is around 10MB*. Modern operating system automatically reserve some amount of virtual memory and install protections on the page below the stack to create a segmentation fault on stack overflow. This ensures that a stack overflow won’t go corrupting random parts of memory.

We want to have a lot of coroutines, so they should have smaller stacks, maybe 16 or 64KB. This makes stack overflow an even greater possibility, but at the same time, coroutines implemented in user space don’t get this checking for free—we have to build it ourselves. In the process, we can even do better: we can give some information about the coroutine which crashed. Here’s the idea:

  • Memory-protect the page on the bottom of the stack (remember, x86 callstacks grow down) to disallow reads and writes.
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Making coroutines fast
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Previously, I wrote about using coroutines in RethinkDB. Coroutines are a nice alternative to callbacks because they are easier to program in, and they are a nice alternative to threads because of their greater performance. But how fast are they?

Just using an off-the-shelf library like libcoroutine isn’t as fast as you might think. The graph below shows the huge performance degradation of a naive implementation of coroutines (the short red bar) compared to the old callback-based code (the blue bar on the left). But with the right set of optimizations, we can recover a level of performance about equal to the non-coroutine version. With these optimizations, throughput is recorded as the pink bar on the right, which is within the margin of error of the original version.

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MySQL Workbench 5.2.31 GA Available
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We’re proud to announce the next release of MySQL Workbench, version 5.2.31. This is a maintenance release focusing on general product improvement and usability.

We managed to close 97 bugs for this release.

MySQL Workbench:  Remote Administration on Windows – Support for Windows “Remote” Management within the New Server Instance Wizard and Manage Server Instance Form. This works for servers on the same domain (or trusted) – ie typical Windows LAN environments.  We expect Windows users to prefer this “native” way to do remote admin on Windows.  SSH remote admin has been available for some time on Windows, Mac OS, and Linux.

MySQL Workbench:  Utilities Plugin – Starts a shell that contains a set of python scripts that perform basic tasks such as copying, exporting, and importing databases, finding database objects or processes, cloning servers and cloning users.

MySQL

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MySQL Workbench 5.2.30 GA Available
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We’re proud to announce the next release of MySQL Workbench, version 5.2.30. This is a maintenance release focusing on general product improvement and usability. In addition to that, we have added a small set of Text-Formatting-Plugins to the SQL Editor to help format/structure your SQL Queries.

As always, we want to thank everyone for the great feedback we have received. This helps us to continuously improve the functionality and stability of MySQL Workbench – we appreciate all your ideas for improving MySQL Workbench.  Please keep sending us your ideas!

About the Query-Formatter

In the Edit->Format menu of Workbench’s SQL Editor you will see a set of functions that assist in reformatting your SQL Queries, for example “Beautify Query”, “UPCASE Keywords”, etc.

MySQL Workbench 5.2 GA

  • Data Modeling
  • Query (replaces the old
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Provide your feedback on dbForge Studio for MySQL at UserVoice!
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Go to devart.uservoice.com and share your ideas about new features you want to see in dbForge Studio for MySQL. Here you can do the following:

  • Vote for features that are already in our roadmap, and they will get higher priority in our plans
  • Suggest your own features, and if they get enough votes, we will include them to the roadmap.

Your opinion helps us to make our MySQL GUI Client better and more useful for you.

We have already started

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MySQL Workbench 5.2.29 GA Available
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We’re proud to announce the next release of MySQL Workbench, version 5.2.29. This maintenance release focuses on general product improvement and usability.

As always, we want to thank everyone for the great feedback we have received. This helps us to continuously improve and extend the functionality and stability of MySQL Workbench – please keep up on approaching us with any ideas to develop our product even further.

New Workbench 5.2.29 Preference/Feature

Say you have been working on a model for hours in Workbench, and you haven’t saved in the last 90 minutes, suddenly the power goes out (or some other force majeure). Now with 5.2.29, if Workbench unexpectedly quits during modeling, the model you were working on will be restored to the last auto-saved version the next time you open that model.
As always, please remember to save and version your models regularly.
Also

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MySQL Workbench 5.2.28 GA Available
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We’re proud to announce the next release of MySQL Workbench, version 5.2.28. This maintenance release features improvements to the Workbench scripting Shell as well as various fixes.

Enhancements to the Workbench 5.2.28 Scripting Shell makes development and usage of Workbench Scripts and Plug-ins easier by

  • Providing a new workbench shell scripting file browser
  • Allowing users to more easily create/edit/save/execute Workbench python and lua scripts
  • Including Handy Workbench “Scripting” snippets that can easily be executed or copied.
  • Adding a new script results output panel

For more on Workbench Scripting and Plug-in development see

http://wb.mysql.com/?page_id=664

As always, we want to thank everyone for the great feedback we have received. This helps us to continuously improve and

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dbForge Studio for MySQL has been nominated in Best IDE Product of 2010 DevProConnections Community Choice Awards!
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Devart made it to the final of 2010 DevProConnections Community Choice Awards. The awards recognize the best products and services in the industry by a community vote.

Devart has been nominated in 4 categories of 2010 DevProConnections Community Choice Awards!
Nominated products:

If some of your favorite products are in that list, please visit:


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MySQL Workbench 5.2.27 GA Available
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We’re proud to announce the next release of MySQL Workbench, version 5.2.27. This is the second maintenance release for 5.2 GA (Generally Available). This maintenance release does not introduce any new features, but focuses on general product improvement and usability.  We hope you will make MySQL Workbench your preferred tool for Design, Development, and Administration of your MySQL database applications.

As always, we want to thank everyone for the great feedback we have received. This helps us to continuously improve and extend the functionality and stability of MySQL Workbench – please keep up on approaching us with any ideas to develop our product even further.

MySQL Workbench 5.2 GA

  • Data Modeling
  • Query (replaces the old MySQL Query Browser)
  • Administration (replaces the old MySQL Administrator)

Please get your copy from our Download site. Sources

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Multi Slicing
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The basic data structure that powers databases is called a B-tree. This is where you actually store the user’s data. B-trees are great because you can put huge amounts of data in them and access remains fast. In fact, the naive strategy of putting a whole data set into one B-Tree doesn’t break down because of access time. It does, however, break down when you try to support a multiaccess paradigm.

Six years ago, multiaccess was nice. Now that processors have multiple cores, it’s crucial. Four cores fighting over one B-tree means a lot of wasted processor time. In a multiaccess scheme, different cores can concurrently access data. This gets tricky. You can go looking for a piece of data only to find that someone has moved it since you started; that’s trouble: for all you know it was deleted. You could start the search over, but without guarantees—maybe you’ll get

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MySQL Workbench 5.2.26 GA Available
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We’re happy to announce the release of MySQL Workbench 5.2.26. This is the first maintenance release for 5.2 GA (Generally Available). We have fixed a number of bugs and made some improvements under the hood. We hope you will make MySQL Workbench your preferred tool for Design, Development, and Administration of your MySQL database applications.

We want to thank everyone for the great feedback we have received. This helps us to continuously improve and extend the functionality and stability of MySQL Workbench – please keep up on approaching us with any ideas to develop our product even further.

MySQL Workbench 5.2 GA

  • Data Modeling
  • Query (replaces the old MySQL Query
  • Administration (replaces the old MySQL Administrator)

Please get your copy from our Download site. Sources and binary packages are available for several platforms, including Windows, Mac OS X

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dbForge Data Compare for Oracle: new life to the product line
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Recently our development efforts were focused on dbForge for SQL Server product line. We’ve made five major releases of SQL Server database tools in last 18 months. Besides, we’ve made two major releases of MySQL database tools in this period. Our Oracle database tools product line, once actively developed, was frozen for almost three years. Sure we made maintenance releases, but no new features and tools. Our Oracle tools even were not re-branded to dbForge for Oracle. But now we decided to breeze the new life into Oracle tools development.

The first tool in the dbForge for Oracle product line will be Data Compare. For the first release we decided to make a free tool with basic functionality:

  • comparison and synchronization of tables only (views are not
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The benchmark you’re reading is probably wrong
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Mikeal Rogers wrote a blog post on MongoDB performance and durability. In one of the sections, he writes about the request/response model, and makes the following statement:

MongoDB, by default, doesn’t actually have a response for writes.

In response, one of 10gen employees (the company behind MongoDB) made the following comment on Hacker News:

We did this to make MongoDB look good in stupid benchmarks.

The benchmark in question shows a single graph, which demonstrates that MongoDB is 27 times faster than CouchDB on inserting one million rows. At the first glance, the benchmark immediately looks silly if you’ve ever done serious

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MySQL Workbench 5.2.25 released, goes GA
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Dear MySQL Users,

We’re pleased to announce the release of MySQL Workbench 5.2.25  This release is GA (Generally Available). We hope you will make MySQL Workbench your preferred tool for Design, Development, and Administration of your MySQL database applications.

Special thanks go to all the great MySQL Beta Testers that provided valuable ideas, insights, and bug reports to the Workbench Team. Your beta feedback truly helped us improve the product.

MySQL Workbench 5.2 GA provides:
• Data Modeling
• Query (replaces the old MySQL Query Browser)
• Administration (replaces the old MySQL Administrator)

Please get your copy from our Download site. Sources and binary packages are available for several platforms, including Windows, Mac OS X and Linux.

To get started quickly, please take a look at this short




  [Read more...]
Lock-free vs. wait-free concurrency
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There are two types of non-blocking thread synchronization algorithms – lock-free, and wait-free. Their meaning is often confused. In lock-free systems, while any particular computation may be blocked for some period of time, all CPUs are able to continue performing other computations. To put it differently, while a given thread might be blocked by other threads in a lock-free system, all CPUs can continue doing other useful work without stalls. Lock-free algorithms increase the overall throughput of a system by occassionally increasing the latency of a particular transaction. Most high-end database systems are based on lock-free algorithms, to varying degrees.

By contrast, wait-free algorithms ensure that in addition to all CPUs continuing to do useful work, no computation can ever be

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MySQL Workbench 5.2.24 RC
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Dear MySQL Users,

We’re happy to announce the 3rd Release Candidate (RC) of MySQL Workbench.
Version 5.2.24 includes fixes for more than 70 issues.

MySQL Workbench 5.2 RC provides:

• Data Modeling
• Query (replaces the old MySQL Query Browser)
• Administration (replaces the old MySQL Administrator)
if you are a current user of MySQL Query Browser or MySQL Administrator, we look forward to your feedback on all the new capabilities we are delivering in a single unified MySQL Workbench
As always, you will find binaries for the various platforms on our download pages.

Please get your copy from our Download

http://dev.mysql.com/downloads/workbench/

To get started quickly, please take a look at this short tutorial.

MySQL Workbench 5.2 RC Tutorial








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More Tools Available: dbForge Studio for MySQL, v4.50!
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Devart today releases dbForge Studio for MySQL, v4.50 – cutting-edge administration tool and development environment for professional working with MySQL databases.

With dbForge Studio, Devart continues its initiative to produce efficient database experiences for all the people in MySQL world.

New features in dbForge Studio for MySQL, v4.50 include:


More freedom for backing up schemas

Schema Export wizard has been totally redesigned to Database Backup to enable users to back up schemas in automatic mode using Windows task scheduler, save backup options for future use, view automatically complied log file. Besides old backup files are automatically removed based on date or


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MySQL Workbench 5.2.22 RC 2 Available
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Dear MySQL Users,

We’re happy to announce the second Release Candidate (RC) of MySQL Workbench.
Version 5.2.22 includes fixes for 76 bugs.

In case you didn’t know – MySQL Workbench is a modular product and is fully pluggable and scriptable. If you want to write a plug-in for Workbench 5.2, then stay tuned as we will be updating the documentation in the next week with all the details and examples you need on how to write your own plug-ins.

Plug-ins are great for extending or adding to workbench or for automating repetitive tasks. You can do things like adding to menus, exporting your Workbench models custom tailored for your coding environment, adding your own forms, and more. Python is our preferred scripting language but for simple scripts the Lua language can be used as well.

The first plug-in we added is called MySQL Doc Library. It can be used to read the MySQL


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MySQL Workbench 5.2.21 RC Available
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Dear MySQL Users,

We’re happy to announce the first Release Candidate (RC) of MySQL Workbench.
Version 5.2.21 includes many improvements and fixes for 62 bugs.

We have introduced a new ease of use feature on the Workbench Home screen – the Plug-in Starter area – top left hand side. The icons listed in that area are used to get quick access to the most popular plug-ins that have been written for MySQL Workbench, either by us or the community.

If you are planning to write a plug-in for Workbench, now is the right time to get started! We will be updating the documentation in the next week or 2 with all the details on how to write your own plug-in.

MySQL Workbench designed in a modular way and is fully scriptable. Whenever you have to perform repetitive tasks or e.g. need to export your Workbench models tailored for your coding environment, writing a plugin to perform this task


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