[jira] [Created] (HDFS-14930) [Dynamometer] EC files become missing block groups

["Takanobu Asanuma (Jira)" <ji...@apache.org>]

Takanobu Asanuma created HDFS-14930:
---------------------------------------

             Summary: [Dynamometer] EC files become missing block groups
                 Key: HDFS-14930
                 URL: https://issues.apache.org/jira/browse/HDFS-14930
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Takanobu Asanuma


If there are ec files in fsimage and simulating it with Dynamometer, all of them become missing block groups.

{noformat}
$ sudo -u hdfs hdfs fsck /tmp/ec_test_data
...
Erasure Coded Block Groups:
 Total size:    52753424 B
 Total files:   140
 Total block groups (validated):        140 (avg. block group size 376810 B)
  ********************************
  UNRECOVERABLE BLOCK GROUPS:   140 (100.0 %)
  CORRUPT FILES:        140
  MISSING BLOCK GROUPS: 140
  MISSING SIZE:         52753424 B
  ********************************
 Minimally erasure-coded block groups:  0 (0.0 %)
 Over-erasure-coded block groups:       0 (0.0 %)
 Under-erasure-coded block groups:      0 (0.0 %)
 Unsatisfactory placement block groups: 0 (0.0 %)
 Average block group size:      0.0
 Missing block groups:          140
 Corrupt block groups:          0
 Missing internal blocks:       0
 Blocks queued for replication: 0
{noformat}




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