nickva opened a new pull request, #5986:
URL: https://github.com/apache/couchdb/pull/5986
Previously, as described in #5980 we didn't perform a thorough index cleanup
when ddocs changed. We only cleaned up on nodes where the design docs were
located. That was true for a n=3 db and an n=3, db but may not be true in
general in a cluster.
To fix the issue, run a small gen_server responsible performing cluster
index cleanup. To avoid spawning Q*N jobs, deduplicate the requests by delaying
for up to 30 seconds per clustered db. For cleanup reuse and call the already
existing fabric index file cleanup machinery. That accomplishes two things:
- Starts a quicker index file cleanup. Previously we only did this during
smoosh compaction runs. The view files could linger for a while until
compaction in smoosh would be triggered.
- Cleaning search index files also stops indexes on their (Java) side, so
index file clean-up does "double duty" so speak when it comes to index shut
down.
Fix https://github.com/apache/couchdb/issues/5980
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