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Posted to issues@hbase.apache.org by "Samir Ahmic (JIRA)" <ji...@apache.org> on 2015/04/13 14:52:12 UTC
[jira] [Commented] (HBASE-13456) Improve HFilePrettyPrinter first
hbase:meta region processing
[ https://issues.apache.org/jira/browse/HBASE-13456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492361#comment-14492361 ]
Samir Ahmic commented on HBASE-13456:
-------------------------------------
Here is patch.
> Improve HFilePrettyPrinter first hbase:meta region processing
> --------------------------------------------------------------
>
> Key: HBASE-13456
> URL: https://issues.apache.org/jira/browse/HBASE-13456
> Project: HBase
> Issue Type: Improvement
> Components: util
> Affects Versions: 0.98.12
> Environment: x86_64 GNU/Linux
> Reporter: Samir Ahmic
> Assignee: Samir Ahmic
> Priority: Minor
> Attachments: HBASE-13456-0.98.patch
>
>
> HFilePrettyPrinter have couple of small issues when -r option is used with hbase:meta region as argument:
> 1. Processing files in oldWals and recovered.edits directories
> {code}
> $ hbase org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter -v -r hbase:meta,,1
> Number of region files found -> 3
> Found file[1] -> hdfs://P3cluster/hbase/data/hbase/meta/1588230740/info/e1d395908f8c43d2b22bb3a630728ebf
> Found file[2] -> hdfs://P3cluster/hbase/data/hbase/meta/1588230740/info/e30faa185198449b9cb2eeb5589ebd1b
> Found file[3] -> hdfs://P3cluster/hbase/data/hbase/meta/1588230740/oldWALs/hlog.1428309293399
> Scanning -> hdfs://P3cluster/hbase/data/hbase/meta/1588230740/info/e1d395908f8c43d2b22bb3a630728ebf
> Scanning -> hdfs://P3cluster/hbase/data/hbase/meta/1588230740/info/e30faa185198449b9cb2eeb5589ebd1b
> Scanning -> hdfs://P3cluster/hbase/data/hbase/meta/1588230740/oldWALs/hlog.1428309293399
> 2015-04-13 14:08:21,461 ERROR [main] hfile.HFilePrettyPrinter: Error reading hdfs://P3cluster/hbase/data/hbase/meta/1588230740/oldWALs/hlog.1428309293399
> org.apache.hadoop.hbase.io.hfile.CorruptHFileException: Problem reading HFile Trailer from file hdfs://P3cluster/hbase/data/hbase/meta/1588230740/oldWALs/hlog.1428309293399
> {code}
> 2. If full region name is passed as argument we have wrong encoded region name returned:
> {code}
> hbase org.apache.hadoop.hbase.io.hfile.HFilePrettyPrinter -v -r hbase:meta,,1.1588230740
> region dir -> hdfs://P3cluster/hbase/data/hbase/meta/104563571
> 2015-04-13 14:21:43,012 INFO [main] Configuration.deprecation: hadoop.native.lib is deprecated. Instead, use io.native.lib.available
> 2015-04-13 14:21:43,711 INFO [main] util.ChecksumType: Checksum using org.apache.hadoop.util.PureJavaCrc32
> 2015-04-13 14:21:43,717 INFO [main] util.ChecksumType: Checksum can use org.apache.hadoop.util.PureJavaCrc32C
> 2015-04-13 14:21:43,899 ERROR [main] hfile.HFilePrettyPrinter: Error parsing command-line options
> java.io.FileNotFoundException: File hdfs://P3cluster/hbase/data/hbase/meta/104563571 does not exist.
> {code}
> I have modified HFilePrettyPrinter.java to address this issues. Patch is coming soon.
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