sankalp kohli created CASSANDRA-12668: -----------------------------------------
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? -- This message was sent by Atlassian JIRA (v6.3.4#6332)