관리 도구

$ hadoop dfsadmin -report

Warning: $HADOOP_HOME is deprecated.

Configured Capacity: 25342345216 (23.6 GB)

Present Capacity: 23723536384 (22.09 GB)

DFS Remaining: 23715270656 (22.09 GB)

DFS Used: 8265728 (7.88 MB)

DFS Used%: 0.03%

Under replicated blocks: 0

Blocks with corrupt replicas: 0

Missing blocks: 0

-------------------------------------------------

Datanodes available: 2 (2 total, 0 dead)

Name: 192.168.116.133:50010

Decommission Status : Normal

Configured Capacity: 12671172608 (11.8 GB)

DFS Used: 8237056 (7.86 MB)

Non DFS Used: 809402368 (771.91 MB)

DFS Remaining: 11853533184(11.04 GB)

DFS Used%: 0.07%

DFS Remaining%: 93.55%

Last contact: Fri May 25 08:50:38 KST 2012

Name: 192.168.116.132:50010

Decommission Status : Normal

Configured Capacity: 12671172608 (11.8 GB)

DFS Used: 28672 (28 KB)

Non DFS Used: 809406464 (771.91 MB)

DFS Remaining: 11861737472(11.05 GB)

DFS Used%: 0%

DFS Remaining%: 93.61%

Last contact: Fri May 25 08:50:38 KST 2012

 

hadoop fsck /

Warning: $HADOOP_HOME is deprecated.

FSCK started by hadoop from /127.0.0.1 for path / at Fri May 25 08:52:43 KST 2012

.

/home/hadoop/work/mapred/system/job_201205250754_0001/jobToken:  Under replicated                                                                                        blk_411534216815045074_1048. Target Replicas is 2 but found 1 replica(s).

.

/home/hadoop/work/mapred/system/job_201205250754_0002/jobToken:  Under replicated                                                                                        blk_4086633367061501350_1056. Target Replicas is 2 but found 1 replica(s).

.

/home/hadoop/work/mapred/system/job_201205250754_0003/jobToken:  Under replicated                                                                                        blk_-7579000763310790934_1064. Target Replicas is 2 but found 1 replica(s).

.

/home/hadoop/work/mapred/system/jobtracker.info:  Under replicated blk_-605937317                                                                                       7387200256_1040. Target Replicas is 2 but found 1 replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0001/job.jar:                                                                                         Under replicated blk_-7638940839812582303_1042. Target Replicas is 10 but found                                                                                        1 replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0001/job.split                                                                                       :  Under replicated blk_5390682703617232084_1043. Target Replicas is 10 but found                                                                                        1 replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0001/job.split                                                                                       metainfo:  Under replicated blk_6957103012838447270_1044. Target Replicas is 2 bu                                                                                       t found 1 replica(s).

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/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0001/job.xml:                                                                                         Under replicated blk_-7136133496721038348_1045. Target Replicas is 2 but found 1                                                                                        replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0002/job.jar:                                                                                         Under replicated blk_-6608511029435881426_1050. Target Replicas is 10 but found                                                                                        1 replica(s).

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/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0002/job.split                                                                                       :  Under replicated blk_5961887696850707621_1051. Target Replicas is 10 but found                                                                                        1 replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0002/job.split                                                                                       metainfo:  Under replicated blk_2375812772236395804_1052. Target Replicas is 2 bu                                                                                       t found 1 replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0002/job.xml:                                                                                         Under replicated blk_-8033109867436362957_1053. Target Replicas is 2 but found 1                                                                                        replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0003/job.jar:                                                                                         Under replicated blk_-3493567688175213997_1058. Target Replicas is 10 but found                                                                                        1 replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0003/job.split                                                                                       :  Under replicated blk_4867081414676996476_1059. Target Replicas is 10 but found                                                                                        1 replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0003/job.split                                                                                       metainfo:  Under replicated blk_-7306040799536805724_1060. Target Replicas is 2 b                                                                                       ut found 1 replica(s).

.

/tmp/hadoop-hadoop/mapred/staging/hadoop/.staging/job_201205250754_0003/job.xml:                                                                                         Under replicated blk_-7281764705180553341_1061. Target Replicas is 2 but found 1                                                                                        replica(s).

Status: HEALTHY

 Total size:    8031425 B

 Total dirs:    19

 Total files:   16

 Total blocks (validated):      16 (avg. block size 501964 B)

 Minimally replicated blocks:   16 (100.0 %)

 Over-replicated blocks:        0 (0.0 %)

 Under-replicated blocks:       16 (100.0 %)

 Mis-replicated blocks:         0 (0.0 %)

 Default replication factor:    2

 Average block replication:     1.0

 Corrupt blocks:                0

 Missing replicas:              64 (400.0 %)

 Number of data-nodes:          2

 Number of racks:               1

FSCK ended at Fri May 25 08:52:43 KST 2012 in 11 milliseconds

The filesystem under path '/' is HEALTHY

데이너노드 블록 스캐너

http://192.168.116.133:50075/blockScannerReport?listblocks


밸런서

start-balancer.sh























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