hi,
waiting for the index (104/121GB), i read his document
http://www.postgresql.org/docs/9.4/static/kernel-resources.html#LINUX-MEMORY-OVERCOMMIT
and will do some changes before the next analyze:
some comments:
- the OOM did not kill the Postmaster but the Analyze-Job.
- started with 24GB real and 18GB Swap - that must be enought! --> killed
- will reduce shared_mem from 1GB to 512 MB
- will reduce max_connections to 100 (but no user was actice, the
applications are down)
- will do "sysctl -w vm.overcommit_memory=2" (just did it)
- may do "echo -1000 > /proc/self/oom_score_adj" but only if the other
actions fail
- the last steps for older kernels are not relevant, i'm running ubuntu
14.04 LTS, which is 3.13
i'll keep you informed.
regards
walter
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