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From Gurfan <htc.ja...@gmail.com>
Subject transaction log size
Date Tue, 01 Apr 2014 07:23:51 GMT
Hi,

As Transaction log(Tlog) play important role while restarting the SolrCloud
cluster, we are trying to decrease the size. Many of the posts on net which
we find describing that -
"decreasing the AutoCommit and increasing autoSoftCommit would generate the
small size of transaction log".

To test the aforesaid statement we executed some Run:

Document Size: ~2KB.

1st Run:

AutoCommit: 30 Sec
autoSoftCommit: 20 Sec
openSearcher:  false
Index size: 4.7 GB
Transaction log:
       Master: 740KB
       Slave: 86 MB

2nd Run:

AutoCommit: 20 Sec
autoSoftCommit: 30 Sec
openSearcher:  false
Index size: 4.7 GB
Transaction log:
       Master: 740KB
       Slave: 202 MB


PFA zip containing cluster(master, slave) transaction logs disk usage at the
interval of 1 Min.

transactionLog.zip
<http://lucene.472066.n3.nabble.com/file/n4128354/transactionLog.zip>  

> Schema.xml
> Solr-config.xml
> transactionLog/master/*
> transactionLog/slave/*



May you please give us some pointer so that we can control on Transaction
log(Tlog) generation.

Thanks,
--Gurfan



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