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https://issues.apache.org/jira/browse/HBASE-7690?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13564728#comment-13564728
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Nick Dimiduk commented on HBASE-7690:
-------------------------------------
Technically speaking, this functionality is in HFilePrettyPrinter, not the
HFile itself. The pretty-printer already replicated two constants from
StoreFile. I updated those to use the public static final constants as
appropriate. Perhaps the circular reference is to be avoided? In general
though, not using the constants exported by another class has a bit of
code-smell to it.
Please advise.
> Improve metadata printing in HFilePrettyPrinter
> -----------------------------------------------
>
> Key: HBASE-7690
> URL: https://issues.apache.org/jira/browse/HBASE-7690
> Project: HBase
> Issue Type: Improvement
> Components: HFile
> Reporter: Nick Dimiduk
> Assignee: Nick Dimiduk
> Priority: Minor
> Attachments: 0001-HBASE-7690-Improve-printing-of-HFile-metadata.patch
>
>
> The pretty printer could do a better job with metadata. For example:
> {noformat}
> ...
> Fileinfo:
> BULKLOAD_SOURCE_TASK = attempt_201301272014_0001_r_000000_0
> BULKLOAD_TIMESTAMP = \x00\x00\x01<\x7FcG\x8E
> DELETE_FAMILY_COUNT = \x00\x00\x00\x00\x00\x00\x00\x00
> EARLIEST_PUT_TS = \x00\x00\x01<\x7Fc&F
> EXCLUDE_FROM_MINOR_COMPACTION = \x00
> KEY_VALUE_VERSION = \x00\x00\x00\x01
> MAJOR_COMPACTION_KEY = \xFF
> MAX_MEMSTORE_TS_KEY = \x00\x00\x00\x00\x00\x00\x00\x00
> TIMERANGE = 1359346869830....1359346869830
> hfile.AVG_KEY_LEN = 19
> hfile.AVG_VALUE_LEN = 2
> hfile.LASTKEY = \x00\x04row9\x01dc2\x00\x00\x01<\x7Fc&F\x04
> ...
> {noformat}
> May of these fields could be cleaned up to print in human-readable values.
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