ellen johansen created HADOOP-11391:
---------------------------------------
Summary: Enabling HVE/node awareness does not rebalance replicas
on data that existed prior to topology changes.
Key: HADOOP-11391
URL: https://issues.apache.org/jira/browse/HADOOP-11391
Project: Hadoop Common
Issue Type: Bug
Environment: VMWare w/ local storage
Reporter: ellen johansen
Enabling HVE/node awareness does not rebalance replicas on data that existed
prior to topology changes.
[root@vmw-d10-001 jenkins]# more /opt/cloudera/topology.data
10.20.xxx.161 /rack1/nodegroup1
10.20.xxx.162 /rack1/nodegroup1
10.20.xxx.163 /rack3/nodegroup1
10.20.xxx.164 /rack3/nodegroup1
172.17.xxx.71 /rack2/nodegroup1
172.17.xxx.72 /rack2/nodegroup1
before HVE:
/user/impalauser/tpcds/store_sales <dir>
/user/impalauser/tpcds/store_sales/store_sales.dat 1180463121 bytes, 9
block(s): OK
0. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742xxx_1382 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.161:20002, 10.20.xxx.163:20002]
1. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742213_1389 len=134217728
repl=3 [10.20.xxx.164:20002, 172.17.xxx.72:20002, 10.20.xxx.161:20002]
2. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742214_1390 len=134217728
repl=3 [10.20.xxx.164:20002, 172.17.xxx.72:20002, 10.20.xxx.163:20002]
3. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742215_1391 len=134217728
repl=3 [10.20.xxx.164:20002, 172.17.xxx.72:20002, 10.20.xxx.163:20002]
4. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742216_1392 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.161:20002, 172.17.xxx.72:20002]
5. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742217_1393 len=134217728
repl=3 [10.20.xxx.164:20002, 172.17.xxx.72:20002, 10.20.xxx.163:20002]
6. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742220_1396 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.162:20002, 10.20.xxx.163:20002]
7. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742222_1398 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.163:20002, 10.20.xxx.161:20002]
8. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742224_1400 len=106721297
repl=3 [10.20.xxx.164:20002, 10.20.xxx.162:20002, 172.17.xxx.72:20002]
---------
Before enabling HVE:
Status: HEALTHY
Total size: 1648156454 B (Total open files size: 498 B)
Total dirs: 138
Total files: 384
Total symlinks: 0 (Files currently being written: 6)
Total blocks (validated): 390 (avg. block size 4226042 B) (Total open
file blocks (not validated): 6)
Minimally replicated blocks: 390 (100.0 %)
Over-replicated blocks: 0 (0.0 %)
Under-replicated blocks: 1 (0.25641027 %)
Mis-replicated blocks: 0 (0.0 %)
Default replication factor: 3
Average block replication: 2.8564103
Corrupt blocks: 0
Missing replicas: 5 (0.44682753 %)
Number of data-nodes: 5
Number of racks: 1
FSCK ended at Wed Dec 10 14:04:35 EST 2014 in 50 milliseconds
The filesystem under path '/' is HEALTHY
------
after HVE (and NN restart):
/user/impalauser/tpcds/store_sales <dir>
/user/impalauser/tpcds/store_sales/store_sales.dat 1180463121 bytes, 9
block(s): OK
0. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742xxx_1382 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.163:20002, 10.20.xxx.161:20002]
1. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742213_1389 len=134217728
repl=3 [172.17.xxx.72:20002, 10.20.xxx.164:20002, 10.20.xxx.161:20002]
2. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742214_1390 len=134217728
repl=3 [172.17.xxx.72:20002, 10.20.xxx.164:20002, 10.20.xxx.163:20002]
3. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742215_1391 len=134217728
repl=3 [172.17.xxx.72:20002, 10.20.xxx.164:20002, 10.20.xxx.163:20002]
4. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742216_1392 len=134217728
repl=3 [172.17.xxx.72:20002, 10.20.xxx.164:20002, 10.20.xxx.161:20002]
5. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742217_1393 len=134217728
repl=3 [172.17.xxx.72:20002, 10.20.xxx.164:20002, 10.20.xxx.163:20002]
6. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742220_1396 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.163:20002, 10.20.xxx.162:20002]
7. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742222_1398 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.163:20002, 10.20.xxx.161:20002]
8. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073742224_1400 len=106721297
repl=3 [172.17.xxx.72:20002, 10.20.xxx.164:20002, 10.20.xxx.162:20002]
Status: HEALTHY
Total size: 1659427036 B (Total open files size: 498 B)
Total dirs: 176
Total files: 529
Total symlinks: 0 (Files currently being written: 6)
Total blocks (validated): 532 (avg. block size 3119223 B) (Total open
file blocks (not validated): 6)
Minimally replicated blocks: 532 (100.0 %)
Over-replicated blocks: 0 (0.0 %)
Under-replicated blocks: 1 (0.18796992 %)
Mis-replicated blocks: 0 (0.0 %)
Default replication factor: 3
Average block replication: 2.8383458
Corrupt blocks: 0
Missing replicas: 7 (0.46143705 %)
Number of data-nodes: 5
Number of racks: 3
FSCK ended at Wed Dec 10 14:29:23 EST 2014 in 115 milliseconds
The filesystem under path '/' is HEALTHY
------------
store sales pushed to hdfs after HVE was configured:
/user/impalauser/tpcds_after_hve <dir>
/user/impalauser/tpcds_after_hve/store_sales.dat 1180463121 bytes, 9 block(s):
OK
0. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743406_2582 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.161:20002, 172.17.xxx.72:20002]
1. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743412_2588 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.162:20002, 172.17.xxx.72:20002]
2. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743415_2591 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.161:20002, 172.17.xxx.72:20002]
3. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743416_2592 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.162:20002, 172.17.xxx.72:20002]
4. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743417_2593 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.161:20002, 172.17.xxx.72:20002]
5. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743418_2594 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.161:20002, 172.17.xxx.72:20002]
6. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743419_2595 len=134217728
repl=3 [10.20.xxx.164:20002, 10.20.xxx.161:20002, 172.17.xxx.72:20002]
7. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743422_2598 len=134217728
repl=3 [172.17.xxx.72:20002, 10.20.xxx.164:20002, 10.20.xxx.162:20002]
8. BP-1184748135-172.17.xxx.71-1418235396548:blk_1073743423_2599 len=106721297
repl=3 [10.20.xxx.164:20002, 10.20.xxx.161:20002, 172.17.xxx.72:20002]
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
