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From "Peng Xiao" <>
Subject secondary index creation causes C* oom
Date Wed, 10 Jan 2018 07:54:14 GMT
Dear All,

We met some C* nodes oom during secondary index creation with C* 2.1.18.
As per,the flush writer will be blocked
by index rebuild.but we still have some confusions:
1.not sure if secondary index creation is the same as index rebuild
2.we noticed that the memory table flush looks still working,not the same as CASSANDRA-12796
mentioned,but the compactionExecutor pending is increasing.
3.I'm wondering if the block only blocks the specified table which is creating secondary index?

Could anyone please explain?

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