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authorRavishankar N <>2016-01-10 09:19:34 +0530
committerPranith Kumar Karampuri <>2016-03-01 03:23:20 -0800
commit8210ca1a5c0e78e91c6fab7df7e002e39660b706 (patch)
tree432a6836cc685760ee441f4b8e46221947247211 /
parentea00992d3d52a51b7c8311ad9565bbbb6e395f9d (diff)
afr: Add throttled background client-side heals
If a heal is needed after inode refresh (lookup, read_txn), launch it in the background instead of blocking the fop (that triggered refresh) until the heal happens. afr_replies_interpret() is modified such that the heal is launched only if atleast one sink brick is up. Max. no of heals that can happen in parallel is configurable via the 'background-self-heal-count' volume option. Any number greater than that is put in a wait queue whose length is configurable via 'heal-wait-queue-leng' volume option. If the wait queue is also full, further heals will be ignored. Default values: background-self-heal-count=8, heal-wait-queue-leng=128 Change-Id: I1d4a52814cdfd43d90591b6d2ad7b6219937ce70 BUG: 1297172 Signed-off-by: Ravishankar N <> Reviewed-on: Smoke: Gluster Build System <> CentOS-regression: Gluster Build System <> Reviewed-by: Pranith Kumar Karampuri <> Tested-by: Pranith Kumar Karampuri <> NetBSD-regression: NetBSD Build System <>
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