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From steve.w...@beatport.com
Subject Re: Couch Replication: slave on-disk size bloat
Date Fri, 08 Apr 2011 15:31:53 GMT
I'm not sure what's in the databases.  Why?  Would large attachments 
explain this in some way?

- Steve

On Fri, 8 Apr 2011, Filipe David Manana wrote:

> Do you have many and/or large attachments?
>
> On Thu, Apr 7, 2011 at 10:24 PM,  <steve.webb@beatport.com> wrote:
>> Hello there.
>>
>> New couch admin here.
>>
>> I've got two couchdb machines that are not being written to.
>>
>> I cleaned off the slave, then replicated and compacted the DBs on the slave
>> and the slave DB size on-disk is *way* more than on the master.
>>
>> Also, we've found that when the slaves are being actively written
>> (replicated) to, over time, they grow > 10x the size of the master's file
>> size.
>>
>> Master:
>>
>> -rw-r--r--  1 couchdb couchdb      20565 Apr  7 12:02 api-keys.couch
>> -rw-r--r--  1 couchdb couchdb 2414678118 Apr  7 11:41 similar-tracks.couch
>> -rw-r--r--  1 couchdb couchdb  851714150 Apr  7 11:52 sitemap.couch
>> drwxr-xr-x  2 couchdb couchdb       4096 Feb 15 01:10 .sitemap_design
>> -rw-r--r--  1 couchdb couchdb   76939362 Apr  7 11:27 top-downloads.couch
>> -rw-r--r--  1 couchdb couchdb  268513382 Apr  7 11:30
>> users-also-bought.couch
>>
>> Slave (after delete, replication and compaction):
>>
>> -rw-r--r--  1 couchdb couchdb       8280 Apr  7 12:02 api-keys.couch
>> -rw-r--r--  1 couchdb couchdb 5261164653 Apr  7 14:16 similar-tracks.couch
>> -rw-r--r--  1 couchdb couchdb  860319850 Apr  7 13:58 sitemap.couch
>> -rw-r--r--  1 couchdb couchdb  122777700 Apr  7 13:50 top-downloads.couch
>> -rw-r--r--  1 couchdb couchdb  285810794 Apr  7 13:52
>> users-also-bought.couch
>>
>> Q1: Is this normal?
>> Q2: Is there a way to fix this or turn off whatever is turned on that causes
>> this?
>>
>> - Steve Webb
>>
>> --
>> Steve Webb | System Administrator
>> Beatport | Play With Music
>> ------------------------------------------
>> 2399 Blake Street, Suite 170
>> Denver, Colorado USA 80205
>> tel: +1.720.932.9103
>> fax: +1.720.932.9104
>> noc: +1.303.565.2710
>> mobile: +1.303.564.4269
>>
>
>
>
>

-- 
Steve Webb | System Administrator
Beatport | Play With Music
------------------------------------------
2399 Blake Street, Suite 170
Denver, Colorado USA 80205
tel: +1.720.932.9103
fax: +1.720.932.9104
noc: +1.303.565.2710
mobile: +1.303.564.4269
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