On 06/27/2017 01:10 PM, DrakoRod wrote:
Hi folks. Today I had a problem with production's database PostgreSQL version 9.4.4.9. The server have max_connections set to 200, but today I reviewed pg_stat_activity and saw 199 active connections, obviously the server rejected any new connection and the production stopped. I saw another posts with a similar problems, but this was because the pg_xlog was full or disk does'nt write, but the directory and disk had no problems. I just canceled some SELECTs querys and the server returned to normality. Now a monitoring activity of server and I can see some backends like this: postgres 9737 23340 2 14:55 ? 00:00:15 postgres: dbname user 8.8.8.8[37082] idle in transaction postgres 9741 23340 9 14:55 ? 00:00:47 postgres: dbname user 8.8.8.8[54286] idle in transaction Any suggestions?
https://www.postgresql.org/docs/9.4/static/monitoring-stats.html#PG-STAT-ACTIVITY-VIEW SELECT * FROM pg_stat_activity WHERE state = 'idle in transaction'; To get more detail on what is holding these transactions open.
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