| From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
|---|---|
| To: | "nurul [via PostgreSQL]" <ml-node+s1045698n5824365h93(at)n5(dot)nabble(dot)com>, PostgreSQL - general mailing list <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Log-shipping replication in one machine |
| Date: | 2014-10-28 19:31:16 |
| Message-ID: | 544FEF04.8090806@aklaver.com |
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| Lists: | pgsql-general |
On 10/26/2014 09:46 PM, nurul [via PostgreSQL] wrote:
> Thank you for your response. May i know what is the difference between
> log shipping and streaming replication actually? I'm sorry i am very new
> in postgreSQL and still confused with these two
>
For an overview see:
http://www.postgresql.org/docs/9.3/interactive/warm-standby.html
Short version:
1) Both deal with WAL files.
2) Log shipping ships the entire file (16MB by default) at a time.
3) Streaming ships records within the WAL file, so it works incrementally.
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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