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https://issues.apache.org/jira/browse/HADOOP-5582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12708404#action_12708404
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Amar Kamat commented on HADOOP-5582:
------------------------------------
>From what I understand, you could something like
{code}
Counters c = Counters.fromEscapedCompactString(counterString);
String compactString = c.toCompactStrihng();
// do what you do currently .. but with compactString and not counterString
Matcher m = _pattern.matcher(counters);
while(m.find()){
String ctuple = m.group(0);
//String ctuple = c1tuple.substring(0, c1tuple.length()-1);
....
...
.
{code}
This might not be efficient but will will reduce code change and testing time.
So basically what you will be doing here is you will convert the new format to
old format and pass to the code.
----
Few questions :
# Seems like there is a parser written here for job history. Why cant you use
the existing job history parser?
# Seems like counters are maintained as key val pair. Why can a global counter
be used and all new counter can simply be added to it?
I have not seen the whole code. These questions are based on the impression
that I am getting looking at the patch.
> Hadoop Vaidya throws number format exception due to changes in the job
> history counters string format (escaped compact representation).
> ---------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-5582
> URL: https://issues.apache.org/jira/browse/HADOOP-5582
> Project: Hadoop Core
> Issue Type: Bug
> Affects Versions: 0.20.0
> Reporter: Suhas Gogate
> Assignee: Suhas Gogate
> Fix For: 0.21.0
>
> Attachments: vaidya-0.21.0-5582-5764.patch, vaidya_patch_21.patch
>
>
> Hadoop Vaidya (contrib/vaidya) tool throws number format exception while
> parsing the job history log files due to change in the format of counters
> string in 0.20.
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