Werk #10122: Fixed performance regression for event console history queries.

Component

Event Console

Title

Fixed performance regression for event console history queries.

Date

Dec 10, 2019

Level

Prominent Change

Class

Bug Fix

Compatibility

Compatible - no manual interaction needed

Checkmk versions & editions

2.0.0i1	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)
1.6.0p7	Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

The event console history queries had a rather serious performance regression in 1.6.0: For common queries, the EC tries to pre-filter the history via egrep before doing further filtering itself. This pre-filtering was broken due to a typo and has been repaired now.

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