| From: | Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> |
|---|---|
| To: | vijay_c(at)hcl(dot)com |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Postgres logs showing error after replication |
| Date: | 2017-09-06 05:00:37 |
| Message-ID: | 20170906.140037.1039173594873470705.t-ishii@sraoss.co.jp |
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| Thread: | |
| Lists: | pgsql-general |
> Ok thank you,
>
> I have promoted slave server as master in postgres streaming replication , howerver application is working fine after promotion , but getting some error messages in the postgres log (slave which promoted to master)
>
> what does it mean?
>
> <tag>
>>ERROR: could not obtain lock on row in relation "main_instance"
> < 2017-09-05 13:08:45.434 UTC >STATEMENT: SELECT "main_instance"."id", "main_instance"."uuid", "main_instance"."hostname", "main_instance"."created", "main_instance"."modified", "main_instance"."version", "main_instance"."capacity" FROM "main_instance" LIMIT 1 FOR UPDATE NOWAIT
Your session (transction) tried to get a row lock on the row but other
session (transaction) has already gotten the row lock on the same row.
Best regards,
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese:http://www.sraoss.co.jp
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