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authorPranith Kumar K <pranithk@gluster.com>2012-08-04 12:21:42 +0530
committerAnand Avati <avati@redhat.com>2012-08-20 22:54:14 -0700
commit4dc4e4b770fc5fa1aeebc41223ede9195ede4965 (patch)
tree75d827530c2f9149e616255db473df356b97ed22 /xlators/mount
parent428ff73e5f1bcb4c77f48cf38bc2059245eefec4 (diff)
syncop: Added scaling down logic
RCA: Whenever the self-heald tests are done with more than 16 replicates The number of sync procs goes to > 2. These threads never die. Fix: Added scaling down logic in syncops so that the threads terminate themselves whenever the extra thread is idle for ~10 minutes. Minimum number of threads is still 2. Tests: Added logs for launching and terminating procs, made timeout to 6 seconds and ran volume-heal in a while loop. After logs say max number of procs are launched, attached process to gdb and verified that the number of syncop threads are 16. Stopped volume-heal and observed the logs for terminating the procs. Attached gdb to process again to check that the syncop threads are just 2. Did this 5 times. Things worked fine. Which procs were terminated was random. No proc structure was erroneously re-used. Procs never exceeded 16 and were never < 2. Change-Id: I61dd9c25cc478ac8cbda190bee841a995b93c55c BUG: 814074 Signed-off-by: Pranith Kumar K <pranithk@gluster.com> Reviewed-on: http://review.gluster.org/3195 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
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