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July 27, 2017 – Alert: Linux Defects Can Corrupt Mirror Copies of Journal Files

InterSystems has encountered defects in Linux which can corrupt copies of journal files that are generated on a mirror backup or async member; this occurs only in certain specific configurations. The original mirror journal file created on the primary member is not affected.

The risk is only exposed in Caché, Ensemble, and HealthShare distributions beginning with version 2017.1.0. The risk only exists on Linux and only if a backup or async mirror member is configured to use the rtkaio library

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June 26, 2017 – Alert: Data Corruption with Mixed Endian Mirror Shadowing

InterSystems has corrected a defect that may result in corruption of Unicode data on a shadow system whose source is an async mirror member.

This defect affects all currently released Caché, Ensemble, and HealthShare distributions beginning with version 2012.2.0.  All platforms and operating systems are affected.

In order to be exposed to the risk the configuration must include mirror primary and async members, and a shadow of the async member.  Additionally, the async member must be of different endian than both the primary mirror member and the shadow.

      Primary (endian X) -> Async (endian Y) -> Shadow (endian X)

In the above configuration, some Unicode strings greater than 255 characters on the shadow member may be corrupt for databases that are shadowed from the async

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The Atelier beta update channel:

https://atelier.artifactoryonline.com/atelier/updates/beta/1.1

offers the latest features and bug fixes. It now updates your installation of Atelier to build 1.1.291 for Mac, Windows, Red Hat and SUSE. Here’s an account of what’s recently been improved:

New Features

Last comment 25 June 2017
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Hi, Community!

Today we deployed new DC release which delivers.

Better subscriptions

All subscription settings now placed in one page, unified and simplified.
 

You can subscribe to Posts, Tags, Groups and Members and you can view it all, or filter by category on one page.

you can search for the subscription in case it's a lot and alter if you want to subscribe for the comments for every post with a given tag or group.

If you want to turn on or turn off the emailing from the site - there is one switcher for it: receive notifications.

 

Permalinks and answers

Comments and Answers have permalinks now.

Last comment 22 June 2017
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The Cogs.JsonClass library is now available in the Cogs project on GitHub.

https://github.com/SeanConnelly/Cogs

Please see the README and the /docs folder on how to use the class.

Overview

The Cogs.JsonClass class provides a one step serialisation and deserialisation to and from Caché registered and persistent classes. It is not dependent on any other code and should be compatible with older versions of Caché.

The unit tests have been included in the update, but until I release the dependent Touchstone unit test solution it won't be possible to run these tests.

Please report any issues on the GitHub issues log.

I will post some benchmarks later in the week.

Sean.

Last comment 8 June 2017
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InterSystems is pleased to announce the availability of the following maintenance releases:

  • Caché and Ensemble 2017.1.1
  • HealthShare Health Connect v15.021 on core technology 2017.1.1

Caché and Ensemble are available on the same platforms as 2017.1.0, except as noted below

  • The full list of corrections can be found in the release notes.
  • The version number of the kits for these releases is 2017.1.1.111.0
  • Oracle Solaris 10, 11 for SPARC-64 and Oracle Solaris 10, 11 for x86-64 are not yet approved.

HealthShare HealthConnect v15.021 on core technology 2017.1.1.111.

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We at George James Software are pleased to announce the release of version 2.6 of Serenji, our editor and debugger for Caché, Ensemble and HealthShare.

The main enhancement in 2.6 is the ability to run on a Linux <edit> or OS X </edit> workstation using Wine 1.8. More release details are here.

This is a free upgrade to users already holding an activation key. For new users a free 30 day evaluation period is granted upon installation.

John Murray
Senior Product Engineer
George James Software

Last comment 10 May 2017
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It's almost a year since I have published a series of articles explaining how to configure Cache instance as a client / resource server / authorization server. By that time, the implementation of OAuth 2.0 was still a pre-release software.

With the advent of Cache version 2017.1 a lot has changed. OAuth 2.0 implementation is fully completed and supported. Numerous new features were added (e.g. dynamic client registration)  - see release notes here for full details - and configuration pages have been redesigned to a great extent as well

Last comment 7 May 2017
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Hi, Community!

Please meet  a new Developer Community UI release with new features and some bugfixes.

With this release we changed a color scheme to meet corporate colors more. 

We introduced browser notifications not to miss new posts on Developer Community. They would pop up only if you turn them on and only if you don't see the Community at the moment. 

Also we introduced the special inverse color for accepted answers. Like here:

  

Dear question authors! Please mark answers as accepted to make the world better (of course if there is an answer, you can accept).

We also fixed a few bugs

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InterSystems is pleased to announce the Field Test release of Caché and Ensemble 2017.2.0

The entire product team at InterSystems looks forward to hearing about your experiences with this latest version of our Data Platform products.

You can get this release from the Field Test portal.  It includes hundreds of bug fixes and new features, including:

  • DeepSee improvements to the Folder Manager and Dashboard Filters
  • iFind and iKnow improvements like coocurrence search, REST API extensions, and performance when building iKnow domains
  • Improved XML VDoc performance in Ensemble
  • Caché Nodejs now supports Node 7

Consult the release notes and upgrade checklist that can be downloaded from the Field Test portal for more details.

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InterSystems is pleased to announce the availability of the following maintenance releases:

  • Caché and Ensemble 2016.2.2
  • HealthShare Health Connect v15.021 on two core technology releases, 2016.2.2 and 2017.1.0

Caché and Ensemble 2016.2.2 are available on the same platforms as 2016.2.1

HealthShare Health Connect v15.021 for core technology 2016.2.2.853.0 contains the following HealthShare module

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Hi, Community!

With the recent release on Developer Community we have introduced member mentioning.

Now if you want to ping a member with email notification, just place in the post (or comment) following:

@name.surname

Once it is published, a member would get the email notification that he was mentioned in particular post/comment.

So, that's how I'm mentioning myself here: @Evgeny Shvarov.

Have a great weekend!

Last comment 15 April 2017
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Hi, Community!

Here are some news on Developer Community enhancements.

In March we fixed a lot of bugs and rearranged the notification system, so I hope you'll be happy with it now.

Enhanced content of the notification

With this new release in every email notification you'll see the reason, why did you get this particular notification and the option to unsubscribe of this types of notifications.

The notification will indicate whether you are subscribed to everything, or to particular group/tag, post or you got the message because you are following some member.

To check your current subscriptions please refer to this article which is updated according to new changes in notifications. 

Digest mode of notifications is fixed and usable now.

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Hi, Community!

We have a new release here!

What has been introduced:

1. Better notifications

With this release I hope you will turn on back the email notifications because every new notification today in the beginning of itself will tell first, why did you get it describing the exact reason you got this particular notification.  And if you don't want this type of notification to be delivered anymore click unsubscribe link in the notification and it will lead to the settings of this very type to alter.

Also, I can indeed recommend digest mode (Use Subscriptions/Overview to turn it on). 

It sends you same notifications as in normal mode now, but also you can group notifications in daily, hourly, etc digests. Also, digest mode truncates the text of the post if it is really long to let you read it on the site, not in the mailbox.

2. Better member following

Last comment 28 February 2017
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I am pleased to announce that Caché and Ensemble 2017.1 Release Candidate versions are now available for all platforms.

We appreciate the many customers who have downloaded, tried it, and given us feedback over the past few months.

Some things not in the original field test that you may want to check out include:

  • Ubuntu is now a full production platform.
  • OpenID Connect now supports JWKS with OpenID Connect Discovery and OpenID Connect Dynamic Client Registration.

There have been over 300 additions and corrections since the beginning of Field Test.  So if you haven't looked at a recent version, I encourage you to do so now.  You can find details about all the changes on the download page noted below.

We anticipate General Availability of this release in March.

You can download the latest release candidate of 2017.1 HERE

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Hi Community!

In this release we turned off the digest mode for all the members (until it would be fixed) and fixed the Update notifications: now this settings can be found in the same place for all the members: Subscriptions/Content types tab.

Meet in this small release the new very valuable feature: marking answers as "true" answers.

If you are an author of the question now you can choose the right answer if there are more than one and mark it with the green checkbox. Like it is shown here:

If there are more than one answer, the "true" one will be shown topmost.

The question for the Community: what should we do with the Unanswered filter? Now it works as a filter for the questions without any answer. Should we keep it as it is, or change its behavior to filter questions without "True" answer?

Last comment 12 January 2017
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Those of you who keep an eye on developments in the mainstream of IT will be aware that a major upheaval has been occurring over the last 5 or so years, in which JavaScript has exploded in popularity and importance.  Largely as a result of its server-side incarnation - Node.js - it has broken free of just being the scripting language that you use in web browser, to becoming the world's most popular language and enterprise technology of choice

Last comment 15 December 2016
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This announcement is to inform clients about changes in our 2016.2 and 2016.3 field test programs.  

The 2016.2 field test has been extended in order to address important syntax changes related to JSON. Simply stated, the JSON syntax introduced in 2016.1 had several inconsistencies that we did not want to perpetuate.   This is now addressed and the updated 2016.2 field test will be published today.  Concurrently, the syntax changes and guidance for developers will be posted on the Developer Community shortly. JSON is critically important to our Caché roadmap.

Doc DB has been removed from the field test due to the syntax changes. We have significant refactoring to do in our Document Data modeling code and we did not want to further delay the release of 2016.2 to accommodate that development. This feature will return at a later date

Last comment 14 December 2016
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Hi!

We updated the DC a bit.

Member's answers

With this release, you can see the answers on the member's page too.

E.g. see the answers by Timothy Leavitt

Post updates don't move the post to top

So we can fix the tags, spelling and make other updates to the post and it would not be moved to top anymore. 

Now only new answers and comments move the post to the top of the feed.

RSS and other bug fixes

Now bugs for RSS feeds are fixed.

Also, Votes renamed to Rating and has the color indication now. Green means good!

Stay tuned for the next DC improvements!

Last comment 2 December 2016
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I am pleased to announce the immediate availability of Atelier 1.0

This is the debut release of our new Eclipse based plugin for developing code on Cache and Ensemble.

Highlights include

  •     Integrated Source Management
  •     Debugging
  •     Context based documentation
  •     Server Side browsing of multiple systems
  •     Compilation and Testing facilities

Atelier will be released independently of various server releases. The first versions of Cache and Ensemble that fully support Atelier are 2016.2 and higher. Facilities within Atelier itself will manage updating as we make newer versions available. You can download the Atelier client for the OS of your choice here:

https://download.intersystems.com/download/atelier.csp

The release notes for the 1.0 release can be found here

Last comment 2 December 2016
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November 22, 2016 – Alert: Database Integrity on UNIX® and Linux Platforms

InterSystems has corrected a defect that may, in rare circumstances, result in database degradation on UNIX and Linux platforms.

This defect affects Caché, Ensemble, and HealthShare distributions beginning with Caché version 2012.1. It is only a possible risk on UNIX and Linux platforms that are using asynchronous I/O for database writes. The following table specifies if asynchronous I/O is always on or optional for the affected platforms and releases:

Platform

Versions 2012.1 to 2015.1

Version 2015.2 and later

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I am pleased to announce the field test of Caché and Ensemble 2017.1, including many new improvements.

The product team at InterSystems looks forward to your participation in the field test and feedback over the coming months.

Some of the more significant changes in 2017.1 are the new RESTful APIs for iKnow, FIPS 140-2 validated cryptography for Caché database encryption, and improved DocBook search.  As always there are a host of scalability and performance improvements to the core database and SQL.  And hundreds of smaller improvements and corrections.  Summary of the Caché changes can be found HERE and the Ensemble changes HERE

Last comment 18 November 2016
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Caché process failures on RHEL V7.2

InterSystems WRC has investigated several issues of process failure that can be attributed to a recent change in Red Hat Linux.

A new feature implemented in RHEL V7.2 (systemd-219-19.el7.x86_64) can cause O.S. IPC (Inter-process communication) semaphores to be deallocated when a non-system RHEL user logs out (system users, i.e. with a UID number < 1000, are excluded)

Internally, Caché makes use of IPC semaphores to control the operation of Caché processes (for example when trying to wake-up a Caché process). It does this by using the “semop” system service and if the operating system unexpectedly removes semaphores that Caché relies upon for IPC, then processes can fail. If this occurs the following evidence will be found in the cconsole.log:

“System error while trying to wake-up a process, code = 22€

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We at George James Software recently released a new version of Deltanji, the native source code management tool for Caché, Ensemble and HealthShare.

Version 6.1 includes several enhancements, including easy creation of labels. Bulk transfer of large codesets is also now available from the browser UI.

A perpetually free "install and go" Solo Edition of Deltanji is available. Licenses can be purchased for other editions that provide more advanced code management and deployment features.

Deltanji is compatible with Atelier. It can also manage external files.

Please visit http://georgejames.com/deltanji for more information and to download your free Solo Edition.

John Murray
Senior Product Engineer
George James Software

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