Insert/Get Contention
---------------------
Key: CASSANDRA-724
URL: https://issues.apache.org/jira/browse/CASSANDRA-724
Project: Cassandra
Issue Type: Bug
Affects Versions: 0.6
Reporter: Chris Goffinet
Attachments: test_case.py
We tried out the socket io patch in CASSANDRA-705, tested the latest JVM of b18
for 1.6. Still seeing very strange insert times. We see this with get_slices as
well but it's easy to reproduce with batch_insert. I wonder if its related to
Memtable contention, it's pretty easy to see the slow times when you restart
the test script attached. We are running this on a 7 node cluster, <1% cpu.
Consistency Level of 1.
Results
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Slow insert test.10882 0.203548192978
Slow insert test.18005 0.203876972198
Slow insert test.21154 0.204496860504
Slow insert test.22054 0.0444049835205
Slow insert test.26445 0.201545000076
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