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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (ACCUMULO-2671) BlockedOutputStream can hit a StackOverflowError
Date Thu, 17 Apr 2014 16:46:17 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-2671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13973139#comment-13973139
] 

Sean Busbey edited comment on ACCUMULO-2671 at 4/17/14 4:46 PM:
----------------------------------------------------------------

Specifically, to work around via increasing the stack size you should alter accumulo-env.sh
to add the -Xss flag to the Tablet Server role. For example:

{noformat}
test -z "$ACCUMULO_TSERVER_OPTS" && export ACCUMULO_TSERVER_OPTS="${POLICY} -Xss1g
-Xmx4g -Xms4g -XX:NewSize=500m -XX:MaxNewSize=500m"
{noformat}


was (Author: busbey):
Specifically, to work around via increasing the stack size you should alter accumulo-env.sh
to add the -Xss flag to the Tablet Server role. For example:

{noformat}
test -z "$ACCUMULO_TSERVER_OPTS" && export ACCUMULO_TSERVER_OPTS="${POLICY} -Xmx4g
-Xms4g -XX:NewSize=500m -XX:MaxNewSize=500m -Xss1g"
{noformat}

> BlockedOutputStream can hit a StackOverflowError
> ------------------------------------------------
>
>                 Key: ACCUMULO-2671
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-2671
>             Project: Accumulo
>          Issue Type: Bug
>    Affects Versions: 1.6.0
>            Reporter: Jonathan Park
>             Fix For: 1.6.1, 1.7.0
>
>
> This issue mostly came up after a resolution to ACCUMULO-2668 that allows a byte[] to
be passed directly to the underlying stream from the NoFlushOutputStream.
> The problem appears to be due to the BlockedOutputStream.write(byte[], int, int) implementation
that recursively writes out blocks/buffers out. When the stream is passed a large mutation
(128MB was sufficient to trigger the error for me), this will cause a StackOverflowError.

> This is appears to be specifically with encryption at rest turned on.
> A simple fix would be to unroll the recursion.



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