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Posted to dev@sling.apache.org by "Timothee Maret (JIRA)" <ji...@apache.org> on 2016/08/23 15:05:21 UTC

[jira] [Created] (SLING-5990) [SCD] FileBackedMemoryOutputStream is 10x slower than file buffering for large files

Timothee Maret created SLING-5990:
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             Summary: [SCD] FileBackedMemoryOutputStream is 10x slower than file buffering for large files
                 Key: SLING-5990
                 URL: https://issues.apache.org/jira/browse/SLING-5990
             Project: Sling
          Issue Type: Bug
          Components: Distribution
    Affects Versions: Content Distribution 0.2.0
            Reporter: Timothee Maret
            Assignee: Timothee Maret
             Fix For: Content Distribution 0.2.0


When doing performance test SDC agents and the following configuration, the distribution is ~10x slower than when using a regular file buffering method.

The parameters are the following

* fileThreashol = 1
* memoryUnit = MB
* useOffHeapMemory = false
* tempDirectory = null
* fileName = distrpck-create-
* fileExtension = .default

The size of the binary is 80MB. 
With the setup, it takes 12-14sec to replicate
With a simple FileOutputStream mechanism, it takes around 1.4 sec to replicate



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