From: Alexey Lyashkov <alexey.lyashkov@gmail.com>
To: Andreas Dilger <adilger@dilger.ca>
Cc: linux-ext4 <linux-ext4@vger.kernel.org>,
Artem Blagodarenko <artem.blagodarenko@gmail.com>
Subject: Re: some large dir testing results
Date: Mon, 24 Apr 2017 21:29:49 +0300 [thread overview]
Message-ID: <7A61F035-8D10-4FE4-B4CA-1E6C87CE5AB4@gmail.com> (raw)
In-Reply-To: <9166D509-BCF3-4F77-8461-1318C2B121D6@dilger.ca>
> 21 апр. 2017 г., в 23:58, Andreas Dilger <adilger@dilger.ca> написал(а):
based on current investigation step, journal is bottleneck now.
bd2/md66-8-21787 [000] .... 439933.758608: jbd2_commit_logging: dev 9,66 transaction 1311 sync 0
jbd2/md66-8-21787 [008] .... 439940.816308: jbd2_run_stats: dev 9,66 tid 1311 wait 0 request_delay 0 running 5000 locked 0 flushing 0 logging 7060 handle_count 167302 blocks 170369 blocks_logged 170871
so 7s is processing, but sometimes it eats a ~100s.
41s
jbd2/md66-8-21787 [001] .... 437328.447185: jbd2_start_commit: dev 9,66 transaction 1197 sync 0
jbd2/md66-8-21787 [007] .... 437369.618933: jbd2_run_stats: dev 9,66 tid 1197 wait 0 request_delay 0 running 5358 locked 5352 flushing 0 logging 35838 handle_count 206731 blocks 206433 blocks_logged 207041
jbd2/md66-8-21787 [007] .... 437369.618936: jbd2_end_commit: dev 9,66 transaction 1197 sync 0 head 1192
~100s
jbd2/md66-8-21787 [000] .... 435933.607806: jbd2_run_stats: dev 9,66 tid 1135 wait 0 request_delay 0 running 7590 locked 114 flushing 0 logging 22 handle_count 0 blocks 0 blocks_logged 0
jbd2/md66-8-21787 [011] .... 436030.850489: jbd2_run_stats: dev 9,66 tid 1136 wait 0 request_delay 0 running 5320 locked 3485 flushing 0 logging 88482 handle_count 123338 blocks 126810 blocks_logged 127183
next prev parent reply other threads:[~2017-04-24 18:29 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-20 19:00 some large dir testing results Alexey Lyashkov
2017-04-20 21:10 ` Andreas Dilger
2017-04-21 8:09 ` Alexey Lyashkov
2017-04-21 20:58 ` Andreas Dilger
2017-04-24 18:29 ` Alexey Lyashkov [this message]
2017-04-21 15:11 ` Alexey Lyashkov
2017-04-21 14:08 ` Bernd Schubert
2017-04-21 14:11 ` Alexey Lyashkov
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