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--- en:news [03.02.2020 13:33]
Jan Mach [Mon Jan 3 2020 - v2.6.0]
+++ en:news [13.08.2021 10:01]
Pavel Kácha Mentat v2.8.1 release
@@ Řádek 2: / Řádek 2: @@
 <note important>Please take special attention to our [[https://alchemist.cesnet.cz/mentat/doc/production/html/_doclib/installation.html|installation]] and [[https://alchemist.cesnet.cz/mentat/doc/production/html/_doclib/upgrading.html|upgrading]] manuals to make sure your installation is in working order.</note>
+===== Fri Aug 13 2021 - v2.8.1 =====
+In this release together with upgrade to PostgreSQL 13 aggregated column indices finally come to fruition and we are able to significantly push down search times of IP address and range based queries from tens of seconds to (usually) subsecond speed. Together with overlapping range aggregation for storage of source/target heavy events it seems we have finally finished our performance goal, which started by switching from MongoDB to PostgreSQL. Toast time. (Even though Mentat 2.8 will run on older PostgreSQL instances, to take advantage on those improvements you have to upgrade to PostgreSQL 13.)
+Timeline aggregation framework now prominently replaces Hosts view in the main menu and is now better integrated with Event search.
+Also, usual set of bugfixes, UI, API, documentation and framework cleanup went in.
+Mentat specific namespace within events was originally _CESNET. As a means to shed company dependencies, the key is now renamed to _Mentat. It is advisable to review the Inspector configuration for rules related to the keys in this namespace and to review possible related homegrown code.
+Multiple instances of Inspector are now folded into one with a default ruleset merged in pursue for a simpler default configuration. If you use the default configuration, you can just use new default Inspector and Controller configuration (which installation from Debian packages does for you). If you've made local changes, you might review new distribution configuration files and also decide to merge.
+Please, visit the issue tracker for list of related issues:
+[[https://homeproj.cesnet.cz/versions/103]]
+//Release statistics: 88 commits, 5463 additions, 3780 deletions//
+===== Wed May 20 2020 - v2.7.0 =====
+This release brings major improvements in our **Timeline** search module. It now enables greater search condition customization capabilities, the same as our **Events** search module. The search forms are almost identical, which provides users ability to quickly jump from one results page to another with same search conditions. We have also improved search performance of the **Timeline** module by performing data aggregations and calculations in database instead of in the application. Sadly, not all of the previous aggregation calculations are now supported, because the data were not available directly in our database model. We might bring them back in the future.
+This release also lays the groundwork for future abandonment of including report data as email attachments. In the future email reports will contain only links, which can be used to obtain full data, or the users will have the option to use web version of our reports (link is also included in the email). We are encountering issues with misconfigured mailers or too aggressive email filters, which prevent our reports from being successfully delivered. Also the email format is very restrictive and we are unable to present all necessary information in clear form. You should, after all, use only 80 characters per line, and that is not much. Also the use of CSV format for data attachments is now deprecated and will be removed in one of the future releases.
+We have also focused on squishing some annoying bugs and a lot of invisible man hours went into writing better tests for our web interface codebase, so that we can have some peace of mind and produce better releases.
+Please visit our ticket tracking system for more in-depth information about this release:
+[[https://homeproj.cesnet.cz/versions/97]]
+//Release statistics: 184 commits, 31.397 additions, 18.237 deletions//
@@ Řádek 16: / Řádek 48: @@
 [[https://homeproj.cesnet.cz/versions/93]]
-//Release statistics: 92 commits, 8494 additions, 4476 deletions//
+//Release statistics: 92 commits, 8.494 additions, 4.476 deletions//
@@ Řádek 29: / Řádek 61: @@
 [[https://homeproj.cesnet.cz/versions/86]]
-//Release statistics: 85 commits, 17480 additions, 7706 deletions//
+//Release statistics: 85 commits, 17.480 additions, 7.706 deletions//
@@ Řádek 44: / Řádek 76: @@
 <note warning>In this version of Mentat system support for migration from MongoDB to PostgreSQL was dropped.</note>
-//Release statistics: 150 commits, 10912 additions, 19405 deletions//
+//Release statistics: 150 commits, 10.912 additions, 19.405 deletions//
@@ Řádek 59: / Řádek 91: @@
 <note warning>In the next version of Mentat system a support for migration from MongoDB to PostgreSQL will be dropped. If you have not yet upgraded from version 1.x to 2.x, please do so now.</note>
-//Release statistics: 110 commits, 16114 additions, 13074 deletions//
+//Release statistics: 110 commits, 16.114 additions, 13.074 deletions//
@@ Řádek 70: / Řádek 102: @@
 [[https://homeproj.cesnet.cz/versions/82]]
-//Release statistics: 52 commits, 6746 additions, 4723 deletions//
+//Release statistics: 52 commits, 6.746 additions, 4.723 deletions//
@@ Řádek 81: / Řádek 113: @@
 [[https://homeproj.cesnet.cz/versions/81]]
-//Release statistics: 87 commits, 21196 additions, 5532 deletions//
+//Release statistics: 87 commits, 21.196 additions, 5.532 deletions//

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