Hey,
I just upgraded to 2.1 and noticed the following, two servers getting
identical traffic, 2.1 was getting about 3.5x more MTX_CONTESTS than
2.0.6
2.0.6
time varnishlog | grep -i MTX_CONTEST | head -1000 | cut -c 22- | sort
| uniq -c | sort -rn
603 "MTX_CONTEST(smf_alloc,storage_file.c,633,&sc->mtx)"
135 "MTX_CONTEST(smf_trim,storage_file.c,676,&sc->mtx)"
125 "MTX_CONTEST(smf_free,storage_file.c,698,&sc->mtx)"
69 "MTX_CONTEST(BAN_NewObj,cache_ban.c,444,&ban_mtx)"
38 "MTX_CONTEST(EXP_Insert,cache_expire.c,188,&exp_mtx)"
13 "MTX_CONTEST(SES_Charge,cache_session.c,242,&stat_mtx)"
3 "MTX_CONTEST(exp_timer,cache_expire.c,343,&exp_mtx)"
3 "MTX_CONTEST(BAN_DestroyObj,cache_ban.c,477,&ban_mtx)"
2 "MTX_CONTEST(wrk_thread,cache_pool.c,314,&wq[u]->mtx)"
2 "MTX_CONTEST(VBE_new_bereq,cache_backend.c,150,&VBE_mtx)"
2 "MTX_CONTEST(VBE_free_bereq,cache_backend.c,185,&VBE_mtx)"
2 "MTX_CONTEST(exp_timer,cache_expire.c,288,&exp_mtx)"
1 "MTX_CONTEST(VBE_RecycleFd,cache_backend.c,387,&b->mtx)"
1 "MTX_CONTEST(VBE_GetVbe,cache_backend.c,303,&b->mtx)"
1 "MTX_CONTEST(EXP_Rearm,cache_expire.c,249,&exp_mtx)"
real 0m24.915s
user 0m5.723s
sys 0m0.051s
2.1.0
r...@varnish-s1:~# time varnishlog | grep -i MTX_CONTEST | head -1000
| cut -c 22- | sort | uniq -c | sort -rn
418 "MTX_CONTEST(smf_alloc,storage_file.c,469,&sc->mtx)"
207 "MTX_CONTEST(smf_free,storage_file.c,534,&sc->mtx)"
170 "MTX_CONTEST(hcb_lookup,hash_critbit.c,454,&hcb_mtx)"
158 "MTX_CONTEST(smf_trim,storage_file.c,512,&sc->mtx)"
12 "MTX_CONTEST(BAN_NewObj,cache_ban.c,367,&ban_mtx)"
8 "MTX_CONTEST(hcb_deref,hash_critbit.c,408,&hcb_mtx)"
7 "MTX_CONTEST(EXP_Insert,cache_expire.c,138,&exp_mtx)"
7 "MTX_CONTEST(BAN_DestroyObj,cache_ban.c,401,&ban_mtx)"
2 "MTX_CONTEST(exp_timer,cache_expire.c,265,&exp_mtx)"
1 "MTX_CONTEST(wrk_thread_real,cache_pool.c,197,&wq[u]->mtx)"
1 "MTX_CONTEST(WRK_SumStat,cache_pool.c,112,&wstat_mtx)"
1 "MTX_CONTEST(WRK_Queue,cache_pool.c,255,&wq[u]->mtx)"
1 "MTX_CONTEST(VBE_ReleaseConn,cache_backend.c,87,&VBE_mtx)"
1 "MTX_CONTEST(vbe_Healthy,cache_backend.c,279,&b->mtx)"
1 "MTX_CONTEST(vbe_GetVbe,cache_backend.c,326,&b->mtx)"
1 "MTX_CONTEST(VBE_DropRefConn,cache_backend_cfg.c,146,&b->mtx)"
1 "MTX_CONTEST(HSH_Deref,cache_hash.c,639,&oh->mtx)"
1 "MTX_CONTEST(hcb_lookup,hash_critbit.c,435,&oh->mtx)"
1 "MTX_CONTEST(EXP_Rearm,cache_expire.c,224,&exp_mtx)"
1 "MTX_CONTEST(EXP_NukeOne,cache_expire.c,339,&exp_mtx)"
real 0m7.537s
user 0m1.783s
sys 0m0.040s
Artur
_______________________________________________
varnish-dev mailing list
[email protected]
http://lists.varnish-cache.org/mailman/listinfo/varnish-dev
