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test for NUMA policy support as well as numactl presence 

patch by Peter Schuller; reviewed by Paul Cannon for CASSANDRA-3245

git-svn-id: https://svn.apache.org/repos/asf/cassandra/branches/cassandra-1.0.0@1176048 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jonathan Ellis 2011-09-26 20:48:52 +00:00
parent 74c0557fdb
commit 22f52ab3a8
2 changed files with 6 additions and 3 deletions
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1
CHANGES.txt
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@ -1,6 +1,7 @@
1.0.0-final 1.0.0-final
* Log a miningfull warning when a node receive a message for a repair session * Log a miningfull warning when a node receive a message for a repair session
that don't exist anymore (CASSANDRA-3256) that don't exist anymore (CASSANDRA-3256)
* test for NUMA policy support as well as numactl presence (CASSANDRA-3245)
1.0.0-rc1 1.0.0-rc1

8
bin/cassandra
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@ -91,10 +91,12 @@ fi
# If numactl is available, use it. For Cassandra, the priority is to # If numactl is available, use it. For Cassandra, the priority is to
# avoid disk I/O. Even for the purpose of CPU efficiency, we don't # avoid disk I/O. Even for the purpose of CPU efficiency, we don't
# really have CPU<->data affinity anyway. # really have CPU<->data affinity anyway. Also, empirically test that numactl
if which numactl >/dev/null 2>/dev/null # works before trying to use it (CASSANDRA-3245).
NUMACTL_ARGS="--interleave=all"
if which numactl >/dev/null 2>/dev/null && numactl $NUMACTL_ARGS ls / >/dev/null 2>/dev/null
then then
NUMACTL="numactl --interleave=all" NUMACTL="numactl $NUMACTL_ARGS"
else else
NUMACTL="" NUMACTL=""
fi fi