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debug/io-stats: Append stats for each interval in the same file

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... instead of overwriting stats from the previous interval.
This is so that consumers of this feature do not have to be worried
about monitoring when each 'ios-dump-interval' has passed and back up
the resultant stats file well before the next interval has expired.

Change-Id: Ide897237bf4d38e5d759f09911f7d9c817019edf
BUG: 1458197
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: https://review.gluster.org/17452
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>
This commit is contained in:
Krutika Dhananjay 2017-06-02 15:42:39 +05:30 committed by Shyamsundar Ranganathan
parent e9a482f94e
commit fc73ae5f81
1 changed files with 1 additions and 1 deletions
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2
xlators/debug/io-stats/src/io-stats.c
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@ -3160,7 +3160,7 @@ _ios_dump_thread (xlator_t *this) {
* just hold it open and rewind/truncate on each iteration.
* Leaving it alone for now.
*/
stats_logfp = fopen (stats_filename, "w+");
stats_logfp = fopen (stats_filename, "a+");
if (stats_logfp) {
(void) ios_dump_args_init (&args,
conf->dump_format,