sankalp kohli created CASSANDRA-12668:
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Summary: Memtable Contention in 2.1
Key: CASSANDRA-12668
URL: https://issues.apache.org/jira/browse/CASSANDRA-12668
Project: Cassandra
Issue Type: Bug
Reporter: sankalp kohli
We added a new Btree implementation in 2.1 which causes write performance to go
down in Cassandra if there is lot of contention in the memtable for a CQL
partition. Upgrading a cluster from 2.0 to 2.1 with contention causes the
cluster to fall apart due to GC. We tried making the defaults added in
CASSANDRA-7546 configurable but that did not help. Is there anyway to fix this
issue?
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