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From 429ef7d90b1508ed560e94ca5a0f9d2e3ff24868 Mon Sep 17 00:00:00 2001
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From: Pranith Kumar K <pkarampu@redhat.com>
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Date: Wed, 2 Aug 2017 07:22:13 +0530
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Subject: [PATCH 587/587] extras: Turn eager-lock off for gluster-block
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Backport of https://review.gluster.org/17954
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With the current implementation of eager-lock FINODELK is taking so much
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time that cassandra workload times out and errors out. AFR eager-locking
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needs to be changed similar to EC eager-locking to make things work
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as expected. In the interim, it is better to turn it off
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This is how the profile looks if eager-lock is turned on:
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0.35 628.26 us 64.00 us 129882.00 us 42278 FXATTROP
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17.45 16500.54 us 212.00 us 375829.00 us 79568 WRITE
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81.76 209862.12 us 15.00 us 1992486.00 us 29318 FINODELK
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This is how profile looks if eager-lock is turned off:
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1.87 283.71 us 65.00 us 298970.00 us 68346 FXATTROP
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6.33 199.04 us 13.00 us 373428.00 us 330524 FINODELK
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10.37 3151.47 us 53.00 us 1528484.00 us 34172 FSYNC
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81.31 5110.45 us 270.00 us 1519722.00 us 165244 WRITE
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>BUG: 1477404
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>Change-Id: I98026b1ecf30002ddac01be76f375c2e8c0b7838
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>Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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BUG: 1472273
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Change-Id: I98026b1ecf30002ddac01be76f375c2e8c0b7838
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Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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Reviewed-on: https://code.engineering.redhat.com/gerrit/114104
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Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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Tested-by: Atin Mukherjee <amukherj@redhat.com>
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---
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extras/group-gluster-block | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/extras/group-gluster-block b/extras/group-gluster-block
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index 12d5f90..82bd6ff 100644
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--- a/extras/group-gluster-block
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+++ b/extras/group-gluster-block
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@@ -5,7 +5,7 @@ performance.stat-prefetch=off
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performance.open-behind=off
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performance.readdir-ahead=off
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network.remote-dio=disable
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-cluster.eager-lock=enable
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+cluster.eager-lock=disable
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cluster.quorum-type=auto
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cluster.data-self-heal-algorithm=full
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cluster.locking-scheme=granular
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--
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1.8.3.1
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