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| author | zhenwei pi <pizhenwei@bytedance.com> | 2020-04-13 09:58:35 +0800 |
|---|---|---|
| committer | zhenwei pi <pizhenwei@bytedance.com> | 2020-04-18 11:17:21 +0800 |
| commit | 5010da6ab068cab4ee19591ebaf7112b9ec5f375 (patch) | |
| tree | 042184f5f54578f46ac4876f0f2958da5086931d /src/bio.c | |
| parent | c479eace4512193bcfe3dcab3ab238486f6f9405 (diff) | |
| download | redis-5010da6ab068cab4ee19591ebaf7112b9ec5f375.tar.gz | |
Threaded IO: set thread name for redis-server
Set thread name for each thread of redis-server, this helps us to
monitor the utilization and optimise the performance.
And suggested-by Salvatore, implement this feature for multi
platforms. Currently support linux and bsd, ignore other OS.
An exmaple on Linux:
# top -d 5 -p `pidof redis-server ` -H
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3682671 root 20 0 227744 8248 3836 R 99.2 0.0 0:19.53 redis-server
3682677 root 20 0 227744 8248 3836 S 26.4 0.0 0:04.15 io_thd_3
3682675 root 20 0 227744 8248 3836 S 23.6 0.0 0:03.98 io_thd_1
3682676 root 20 0 227744 8248 3836 S 23.6 0.0 0:03.97 io_thd_2
3682672 root 20 0 227744 8248 3836 S 0.2 0.0 0:00.02 bio_close_file
3682673 root 20 0 227744 8248 3836 S 0.2 0.0 0:00.02 bio_aof_fsync
3682674 root 20 0 227744 8248 3836 S 0.0 0.0 0:00.00 bio_lazy_free
3682678 root 20 0 227744 8248 3836 S 0.0 0.0 0:00.00 jemalloc_bg_thd
3682682 root 20 0 227744 8248 3836 S 0.0 0.0 0:00.00 jemalloc_bg_thd
3682683 root 20 0 227744 8248 3836 S 0.0 0.0 0:00.00 jemalloc_bg_thd
3682684 root 20 0 227744 8248 3836 S 0.0 0.0 0:00.00 jemalloc_bg_thd
3682685 root 20 0 227744 8248 3836 S 0.0 0.0 0:00.00 jemalloc_bg_thd
3682687 root 20 0 227744 8248 3836 S 0.0 0.0 0:00.00 jemalloc_bg_thd
Another exmaple on FreeBSD-12.1:
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
5212 root 100 0 48M 7280K CPU2 2 0:26 99.52% redis-server{redis-server}
5212 root 38 0 48M 7280K umtxn 4 0:06 26.94% redis-server{io_thd_3}
5212 root 36 0 48M 7280K umtxn 6 0:06 26.84% redis-server{io_thd_1}
5212 root 39 0 48M 7280K umtxn 1 0:06 25.30% redis-server{io_thd_2}
5212 root 20 0 48M 7280K uwait 3 0:00 0.00% redis-server{redis-server}
5212 root 21 0 48M 7280K uwait 2 0:00 0.00% redis-server{bio_close_file}
5212 root 21 0 48M 7280K uwait 3 0:00 0.00% redis-server{bio_aof_fsync}
5212 root 21 0 48M 7280K uwait 0 0:00 0.00% redis-server{bio_lazy_free}
Signed-off-by: zhenwei pi <pizhenwei@bytedance.com>
Diffstat (limited to 'src/bio.c')
| -rw-r--r-- | src/bio.c | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -154,6 +154,18 @@ void *bioProcessBackgroundJobs(void *arg) { return NULL; } + switch (type) { + case BIO_CLOSE_FILE: + redis_set_thread_title("bio_close_file"); + break; + case BIO_AOF_FSYNC: + redis_set_thread_title("bio_aof_fsync"); + break; + case BIO_LAZY_FREE: + redis_set_thread_title("bio_lazy_free"); + break; + } + /* Make the thread killable at any time, so that bioKillThreads() * can work reliably. */ pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL); |