When startup recovery (storage and replication) encounter an unfinished background index build, they rebuild the index in the foreground. Startup blocks until all indexes in this state complete building.
The logging is clear that the indexes are being built as part of recovery, but it's not clear that the background: true flag on the index definition is explicitly being ignored.
- related to
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SERVER-34142 Background index builds for RTT on startup replication recovery corrupt _mdb_catalog
- Closed