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https://issues.apache.org/jira/browse/BOOKKEEPER-1055?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16011470#comment-16011470
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ASF GitHub Bot commented on BOOKKEEPER-1055:
--------------------------------------------

GitHub user merlimat opened a pull request:

    https://github.com/apache/bookkeeper/pull/156

    BOOKKEEPER-1055: Optimize handling of masterKey in case it is empty

    On each request client and bookies are exchanging the ledger masterKey, 
which is a 20 bytes MAC digest of the ledger password.
    
    For each request there is a considerable overhead in allocating byte arrays 
when parsing the add/read requests. 
    
    If the client is a passing an empty password, we should optimize the data 
path to skip all allocations (related to the masterKey) and instead rely on a 
static byte array.

You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/merlimat/bookkeeper empty-password

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/bookkeeper/pull/156.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #156
    
----
commit 33ed98a7653ca82eb2d25cafbad51f6b6fa0dac7
Author: Matteo Merli <mme...@yahoo-inc.com>
Date:   2015-05-11T03:59:41Z

    BOOKKEEPER-1055: Optimize handling of masterKey in case it is empty

----


> Optimize handling of masterKey in case it is empty
> --------------------------------------------------
>
>                 Key: BOOKKEEPER-1055
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-1055
>             Project: Bookkeeper
>          Issue Type: Improvement
>            Reporter: Matteo Merli
>            Assignee: Matteo Merli
>            Priority: Minor
>             Fix For: 4.5.0
>
>
> On each request client and bookies are exchanging the ledger masterKey, which 
> is a 20 bytes MAC digest of the ledger password.
> For each request there is a considerable overhead in allocating byte arrays 
> when parsing the add/read requests. 
> If the client is a passing an empty password, we should optimize the data 
> path to skip all allocations (related to the masterKey) and instead rely on a 
> static byte array.



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