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From "huaxiang sun (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-15706) HFilePrettyPrinter should print out nicely formatted tags
Date Mon, 25 Apr 2016 22:34:12 GMT
huaxiang sun created HBASE-15706:

             Summary: HFilePrettyPrinter should print out nicely formatted tags
                 Key: HBASE-15706
                 URL: https://issues.apache.org/jira/browse/HBASE-15706
             Project: HBase
          Issue Type: Improvement
          Components: HFile
    Affects Versions: 2.0.0
            Reporter: huaxiang sun
            Priority: Minor

When I was using HFile to print out a rows with tags, the output is like:
hsun-MBP:hbase-2.0.0-SNAPSHOT hsun$ hbase org.apache.hadoop.hbase.io.hfile.HFile -f /tmp/71afa45b1cb94ea1858a99f31197274f
2016-04-25 11:40:40,409 WARN  [main] util.NativeCodeLoader: Unable to load native-hadoop library
for your platform... using builtin-java classes where applicable
2016-04-25 11:40:40,580 INFO  [main] hfile.CacheConfig: CacheConfig:disabled
K: b/b:b/1461608231279/Maximum/vlen=0/seqid=0 V: 
K: b/b:b/1461608231278/Put/vlen=1/seqid=0 V: b T[0]: �
Scanned kv count -> 2

With attached patch, the print is now like:

2016-04-25 11:57:05,849 INFO  [main] hfile.CacheConfig: CacheConfig:disabled
K: b/b:b/1461609876838/Maximum/vlen=0/seqid=0 V: 
K: b/b:b/1461609876837/Put/vlen=1/seqid=0 V: b T[0]: [Tag type : 8, value : \x00\x0E\xEE\xEE]
Scanned kv count -> 2

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