Hi
After change the parameter of concurrent compactor, we can limit Cassandra
to use 100% of one core at that moment. (concurrent_compactors: 1)
And I got the stack of the crazy thread, it last 2~3 minutes, on same
stack.
Any clue of this issue?
Thread 18114: (state = IN_JAVA)
-
Hi
I encounter the High CPU problem, Cassandra 1.0.3, happened on both
sized and leveled compaction, 6G heap, 64bit Oracle java. For normal
traffic, Cassandra will use 15% CPU.
But every half a hour, Cassandra will use almost 100% total cpu (SUSE,
12 Core).
And here is the top