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From "Yonik Seeley (JIRA)" <>
Subject [jira] [Commented] (SOLR-2700) transaction logging
Date Wed, 24 Aug 2011 23:41:29 GMT


Yonik Seeley commented on SOLR-2700:

Just to get a rough idea of performance, I uploaded one of my CSV test files (765MB, 100M
docs, 7 small string fields per doc).
Time to complete indexing was 42% longer, and the transaction log grew to 1.8GB.  The lucene
index was 1.2GB.  The log was on the same device, so the main impact may have been disk IO.

> transaction logging
> -------------------
>                 Key: SOLR-2700
>                 URL:
>             Project: Solr
>          Issue Type: New Feature
>            Reporter: Yonik Seeley
>         Attachments: SOLR-2700.patch, SOLR-2700.patch, SOLR-2700.patch, SOLR-2700.patch,
> A transaction log is needed for durability of updates, for a more performant realtime-get,
and for replaying updates to recovering peers.

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