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Date: Thu, 11 Oct 2012 04:03:04 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
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Subject: [jira] [Commented] (HBASE-6768) HBase Rest server crashes if client
 tries to retrieve data size > 5 MB
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    [ https://issues.apache.org/jira/browse/HBASE-6768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13473819#comment-13473819 ] 

stack commented on HBASE-6768:
------------------------------

Get it to dump the heap and take a look and see what big objects it has?  Was there anything much else going on when you went for this 5MB object?
                
> HBase Rest server crashes if client tries to retrieve data size > 5 MB
> ----------------------------------------------------------------------
>
>                 Key: HBASE-6768
>                 URL: https://issues.apache.org/jira/browse/HBASE-6768
>             Project: HBase
>          Issue Type: Bug
>          Components: REST
>    Affects Versions: 0.90.5
>            Reporter: Mubarak Seyed
>              Labels: noob
>
> I have a CF with one qualifier, data size is > 5 MB, when i try to read the raw binary data as octet-stream using curl, rest server got crashed and curl throws exception as
> {code}
>  curl -v -H "Accept: application/octet-stream" http://abcdefgh-hbase003.test1.test.com:9090/table1/row_key1/cf:qualifer1 > /tmp/out
> * About to connect() to abcdefgh-hbase003.test1.test.com port 9090
> *   Trying xx.xx.xx.xxx... connected
> * Connected to abcdefgh-hbase003.test1.test.com (xx.xxx.xx.xxx) port 9090
> > GET /table1/row_key1/cf:qualifer1 HTTP/1.1
> > User-Agent: curl/7.15.5 (x86_64-redhat-linux-gnu) libcurl/7.15.5 OpenSSL/0.9.8b zlib/1.2.3 libidn/0.6.5
> > Host: abcdefgh-hbase003.test1.test.com:9090
> > Accept: application/octet-stream
> > 
>   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
>                                  Dload  Upload   Total   Spent    Left  Speed
>   0     0    0     0    0     0      0      0 --:--:--  0:00:02 --:--:--     0< HTTP/1.1 200 OK
> < Content-Length: 5129836
> < X-Timestamp: 1347338813129
> < Content-Type: application/octet-stream
>   0 5009k    0 16272    0     0   7460      0  0:11:27  0:00:02  0:11:25 13872transfer closed with 1148524 bytes remaining to read
>  77 5009k   77 3888k    0     0  1765k      0  0:00:02  0:00:02 --:--:-- 3253k* Closing connection #0
> curl: (18) transfer closed with 1148524 bytes remaining to read
> {code}
> Couldn't find the exception in rest server log or no core dump either. This issue is constantly reproducible. Even i tried with HBase Rest client (HRemoteTable) and i could recreate this issue if the data size is > 10 MB (even with MIME_PROTOBUF accept header)

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