Details
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Task
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Resolution: Unresolved
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Major
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5.1.0
Description
Performance of the older replicateTo degrades very significantly when rebalance is going on especially the tail latencies for higher percentiles (99.9, 99.99).
It is not clear how the new 6.5 SyncWrites perform when rebalance is going on. We should measure the tail latencies to see if it has the same problem as replicateTo, and then address the issues found for the SyncWrites.