From my telemetry: 2 1748 DELETE FROM moz_formhistory WHERE lastUsed <= :expireTime /* formhistory.sqlite */ The sample size is kind of small, but 1748ms seems very slow (it's the slowest query from the telemetry data, including both main and other threads).
Bug 566746 (coincidentally landing soon) should fix this.
Fixed by bug 566746 and bug 876002's blockers fixed this.
Status: NEW → RESOLVED
Last Resolved: 5 years ago
Resolution: --- → FIXED
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