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https://issues.apache.org/jira/browse/SOLR-829?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Simon Collins updated SOLR-829:
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Attachment: email discussion.txt
email thread discussing the issue
> replication Compression
> -----------------------
>
> Key: SOLR-829
> URL: https://issues.apache.org/jira/browse/SOLR-829
> Project: Solr
> Issue Type: Improvement
> Components: replication
> Affects Versions: 1.3.1
> Reporter: Simon Collins
> Attachments: email discussion.txt
>
>
> From a discussion on the mailing list solr-user, it would be useful to have
> an option to compress the files sent between servers for replication purposes.
> Files sent across between indexes can be compressed by a large margin
> allowing for easier replication between sites.
> ...Noted by Noble Paul
> we will use a gzip on both ends of the pipe . On the slave side you can say
> <str name="zip">true<str> as an extra option to compress and send data from
> server
> Other thoughts on issue:
> Do keep in mind that compression is a CPU intensive process so it is a trade
> off between CPU utilization and network bandwidth. I have see cases where
> compressing the data before a network transfer ended up being slower than
> without compression because the cost of compression and un-compression was
> more than the gain in network transfer.
> Why invent something when compression is standard in HTTP? --wunder
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