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--- en:news [20.05.2020 13:24]
Jan Mach
+++ en:news [13.08.2021 10:01]
Pavel Kácha Mentat v2.8.1 release
@@ Řádek 3: / Řádek 3: @@
 <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 =====
@@ Řádek 14: / Řádek 31: @@
 Please visit our ticket tracking system for more in-depth information about this release:
-[[https://homeproj.cesnet.cz/versions/93]]
+[[https://homeproj.cesnet.cz/versions/97]]
 //Release statistics: 184 commits, 31.397 additions, 18.237 deletions//

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