release-19.1: storage: drop raftentry.Cache data in applySnapshot #37064
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Release note: None
Add logic to clear cached raft log entries when applying a snapshot. Release note: None
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bdarnell
approved these changes
Apr 24, 2019
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Backport 2/2 commits from #37055.
/cc @cockroachdb/release
This PR adds a new
.Dropmethod to theraftentry.Cachewhich will clear all data associated with a range more efficiently than calling.Clearwith a large index. The second commit then uses this call when applying a snapshot to ensure that stale cached raft entries are never used.Fixes #37056.