Difference between revisions of "Checks After Failover Setup"
From Roaring Penguin
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| + | ===Checking WAL File Streaming== | ||
You can check if WAL data is streaming by running on the primary this | You can check if WAL data is streaming by running on the primary this | ||
command: | command: | ||
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Where the last few hex digits will be changing if things are okay. (They will change fast on a busy system and possibly very slowly on a lightly-loaded one.) | Where the last few hex digits will be changing if things are okay. (They will change fast on a busy system and possibly very slowly on a lightly-loaded one.) | ||
| + | ===Check === | ||
| + | |||
| + | On the backup database run: | ||
| + | ps aux | grep 'postgres: startup' | ||
<div style="float:right; clear:both; margin-right:0.5em">[[Support Wiki | [Home]]]</div> | <div style="float:right; clear:both; margin-right:0.5em">[[Support Wiki | [Home]]]</div> | ||
[[category:All]][[category:Troubleshooting]][[category:Setup]] | [[category:All]][[category:Troubleshooting]][[category:Setup]] | ||
Revision as of 15:34, 1 November 2017
=Checking WAL File Streaming
You can check if WAL data is streaming by running on the primary this command:
watch -d 'ps auxww|grep [s]treaming'
You will see something like this:
postgres 25972 0.2 0.1 103012 4912 ? Ss 15:24 0:09 postgres: wal sender process postgres 192.168.190.120(54248) streaming 26E/6A01AEF0
Where the last few hex digits will be changing if things are okay. (They will change fast on a busy system and possibly very slowly on a lightly-loaded one.)
Check
On the backup database run:
ps aux | grep 'postgres: startup'
