Ardent Performance Computing
ardentperf.com
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Overview
I help organize the Seattle Postgres User Group [website] and I have helped support the leadership team in launching the Seattle Systems Meetup [website]. In the past, I was involved in the Oracle user community and I helped start the "RAC Attack" hands-on lab roadshow.
News
Why Postgres Breaks Kubernetes container_memory_working_set_bytes Metric
Kubernetes metric container_memory_working_set_bytes is used for evicting/killing pods with too much memory use, especially if memory request limit (don't do this with Postgres). The metric is calculated from cgroups v2 memory.stat as current-inactive_fil
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Postgres Checkpoint Followup and Collation Visualization and Codex Luna
My previous article talked about the checkpoint happiness hint: You probably should not change the checkpoint_timeout setting from its default of 5 minutes. Checkpoint Followup Questions A good follow-up question was raised: can an HA replica can save you
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Happiness Hint: Alarm on Checkpoint Time
Before starting, I want to put a few things at the top: You probably should not change the checkpoint_timeout setting from its default of 5 minutes. Users who read tuning advice on the internet (or get bad AI advice) about increasing this setting usually
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