Linux tuning for PostgreSQL at Secon’2015
Slides from Secon’2015 — Software Developers Conference. Penza, The database is an essential element of any project. The database must be stable and provide good performance. If you…
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Linux Performance Observability Tools. Sysstat.
We continue the series of posts about tools for performance monitoring. Today I would like to tell discuss sysstat package. This is a very interesting package. First of all,…
PostgreSQL autovacuum, explained for engeneers — slides from PostgreSQL Meetup at Zalando Berlin HQ
At the first Russian PGDay there was a sort of joke, right after PostgreSQL DBA tutorial: «we need an autovacuum tutorial». The topic is utmost important, poor…
Warning: pgstat wait timeout… pgstat what???
pgstat wait timeout, what does it mean? Today I would like to tell about warning message «pgstat wait timeout«. Pretty uninformative message, right? If you see this…
Linux Performance Observability Tools. Top.
Picture is a courtesy of Brendan Gregg Blog. Given above are Linux Performance Observability Tools. At a first glance, the picture may seem confusing, so let’s see…