Make couch_stream buffer configurable
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Key: COUCHDB-1009
URL: https://issues.apache.org/jira/browse/COUCHDB-1009
Project: CouchDB
Issue Type: Improvement
Components: Database Core
Environment: trunk
Reporter: Filipe Manana
Assignee: Filipe Manana
Priority: Trivial
Attachments: COUCHDB-1009.patch
The couch_stream buffer is hardcoded to 4Kb.
This value should be configurable. Larger values can improve write and
specially read performance (if we write larger chunks to disk, we have higher
chances of reading more contiguous disk blocks afterwards).
I also think it's a good idea to change the default value from 4Kb to something
higher (64Kb for e.g.).
Patch attached
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