Difference between revisions of "Checks After Failover Setup"

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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.)
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===Check  ===
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On the backup database run:
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  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'