DRT: Added DRT operation for OOM kill#169406
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cpj2195 wants to merge 1 commit intocockroachdb:masterfrom
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DRT: Added DRT operation for OOM kill#169406cpj2195 wants to merge 1 commit intocockroachdb:masterfrom
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Detected infrastructure failure (matched: self-hosted runner lost communication with the server). Automatically rerunning failed jobs. (run link) |
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Summary
Add a new DRT operation (
oom) that induces memory pressure on arandomly selected node by filling
/dev/shmwith a ballast file,leaving a configurable reserve (3 GiB) to keep the node alive long
enough to capture heap profiles.
/dev/shmto 90% of total RAM to allow sufficient fillpeer health, and queries for unavailable ranges every 30s
/dev/shmsizing, andrestarts the node via
cockroach.shif it became unresponsiveoperations
Epic: none