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authorPranith Kumar K <pkarampu@redhat.com>2013-05-22 15:18:19 +0530
committerVijay Bellur <vbellur@redhat.com>2013-06-20 01:44:37 -0700
commitcc9ca7d2b2f5c91d80265c28ca724cb233c2bd77 (patch)
tree493aad749299fce77fc79860206e0ba1532652c3 /tests/bugs
parentbb1d5e826f6c64092a03bf292e72fb314e2b4a2d (diff)
cluster/afr: Perform delayed changelog wakeups for anon fd
Problem: Nfs xlator never does open on a file for performing writes, afr does not perform changelog wakeup for this fd so operations which do metadata operations as soon as the data operations are completed perceive a delay of 'post-op-delay-secs'. Fix: Perform changelog wakeup on anon-fd if the fd with same pid is not present in inode-list. Note: This approach is a short-term fix. A proper fix needs a new domain for taking metadata locks so that data/metadata locks don't compete with each other. Change-Id: I253afb289eadf30c7951e56fb2c4840d7132f5e4 BUG: 966018 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: http://review.gluster.org/5066 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Vijay Bellur <vbellur@redhat.com>
Diffstat (limited to 'tests/bugs')
-rw-r--r--tests/bugs/bug-966018.t33
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/bugs/bug-966018.t b/tests/bugs/bug-966018.t
new file mode 100644
index 0000000..f29690a
--- /dev/null
+++ b/tests/bugs/bug-966018.t
@@ -0,0 +1,33 @@
+#!/bin/bash
+
+. $(dirname $0)/../include.rc
+. $(dirname $0)/../volume.rc
+
+#This tests if eager-lock blocks metadata operations on nfs/fuse mounts.
+#If it is not woken up, INODELK from the next command waits
+#for post-op-delay secs.
+
+cleanup;
+TEST glusterd
+TEST pidof glusterd
+
+TEST $CLI volume create $V0 replica 2 $H0:$B0/r2_0 $H0:$B0/r2_1
+TEST $CLI volume set $V0 cluster.eager-lock on
+TEST $CLI volume set $V0 cluster.post-op-delay-secs 3
+
+TEST $CLI volume start $V0
+TEST $CLI volume profile $V0 start
+sleep 5
+TEST mount -t nfs -o vers=3,nolock $H0:/$V0 $N0;
+TEST glusterfs --entry-timeout=0 --attribute-timeout=0 -s $H0 --volfile-id=$V0 $M0
+echo 1 > $N0/1 && chmod +x $N0/1
+echo 1 > $M0/1 && chmod +x $M0/1
+
+#Check that INODELK MAX latency is not in the order of seconds
+#Test if the MAX INODELK fop latency is of the order of seconds.
+inodelk_max_latency=$($CLI volume profile $V0 info | grep INODELK | awk 'BEGIN {max = 0} {if ($6 > max) max=$6;} END {print max}' | cut -d. -f 1 | egrep "[0-9]{7,}")
+
+TEST [ -z $inodelk_max_latency ]
+TEST umount $N0
+
+cleanup;