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authorPranith Kumar K <pranithk@gluster.com>2012-07-27 10:51:50 +0530
committerVijay Bellur <vbellur@redhat.com>2012-08-12 00:09:06 -0700
commitd40d5a3a32a515ff29c71467a0f701e91ae99718 (patch)
tree34fc1974ff16a29ef8f1732c3a885c2539195252 /extras/Ubuntu
parente427d39d629b8f89c25ac7f7a9d1eeca25b9579a (diff)
performance/io-threads: Provide option to turn off least-priority
RCA: In cases when self-heal is in progress, self-heal fops are starved because of least-priority. This affects other fops with conflicting inode, entry locks with self-heal. Fix: This patch provides configuring enable/disable of least-priority. Additional changes: Moved RCHECKSUM fop to low instead of least because it will still affect the performance of other fops if RCHECKSUM is in LEAST priority. Tests: Tested that the enabling/disabling of fops is working fine. Tested that RCHECKSUM fop priority is assigned LOW when least-priority is disabled. BUG: 843704 Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Change-Id: I892f99d6d0a3e0ae6c0a280f82e2203af0c346f6 Reviewed-on: http://review.gluster.com/3751 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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