But lying in wait is a query that can bring everything crashing to a crawl. I've far too often lived through these experiences and (hate to admit that) at times I have been the cause of the issues. Queries that run for too long are often going to create some cascading effects, most...
To prevent queries on the standby node from being cancelled due to replication conflicts, you can sethot_standby_feedback = on, which will make the standby inform the primary about the oldest transaction running on it. As a result, the primary can avoid cleaning up rows wh...
man strtol strtoimax, strtol, strtoll, strtoq -- convert a string value to a long, long long, intmax_t or quad_t integer 所以在第13行中我们将一个long int转换为一个int型发生了溢出。 result = strtol(str,NULL,36); 重用内部的DirectFunctionCall 让我们通过再次重用Postgres内部功能来地进行正...
and don’t use up too many resources if “idling”, they don’t bother me. Also, they’re always there for me when I need to test out some Postgres statistic fetching queries for our Postgres monitoring tool calledpgwatch2. The only annoying thing that ...
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Long running queries on standbys (with hot_standby_feedback = on) Any of these situations can cause your VACUUM to not do any meaningful work until the process has finished, or caught up with the current transaction ID, in the case of replication lag. ...
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Aside from the standard features you'd expect from a database GUI tool (creating and managing databases, running queries, editing tables, managing users and permissions, etc.), it also has monitoring tools to monitor the status of database operations. Mac only TablePlus TablePlus first greeted ...
If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options. *Except Fisheye and Crucible Summary Some Postgres queries run by Jira take a long time and hit a socket timeout. A common scenario is the...
It’s possible for long-running queries on the follower to increase your lag time, though after those queries are done your follower catches up. Under normal usage, it’s common for your follower to be within a few seconds or less of your leader.To create a follower database you must ...