Hi. I've noticed that autovac. process worked more than 10 minutes, during this zabbix logged more than 90% IO disk utilization on db volume....===========>29237 2016-03-02 15:17:23 EET 00000 [24-1]LOG: automatic vacuum of table "lb_upr.public._reference32": index scans: 1pages: 0 removed, 263307 remaintuples: 298 removed, 1944753 remain, 0 are dead but not yet removablebuffer usage: 67814 hits, 265465 misses, 15647 dirtiedavg read rate: 3.183 MB/s, avg write rate: 0.188 MB/ssystem usage: CPU 5.34s/6.27u sec elapsed 651.57 secIs it possible to log autovac. io impact during it execution?Is there any way to limit or "nice" autovac. process?Thanks to all for any help.
===========>29237 2016-03-02 15:17:23 EET 00000 [24-1]LOG: automatic vacuum of table "lb_upr.public._reference32": index scans: 1pages: 0 removed, 263307 remaintuples: 298 removed, 1944753 remain, 0 are dead but not yet removablebuffer usage: 67814 hits, 265465 misses, 15647 dirtiedavg read rate: 3.183 MB/s, avg write rate: 0.188 MB/ssystem usage: CPU 5.34s/6.27u sec elapsed 651.57 sec
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