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From "Lars George (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-13652) Case-insensitivity of file system affects table creation
Date Fri, 08 May 2015 22:51:00 GMT
Lars George created HBASE-13652:
-----------------------------------

             Summary: Case-insensitivity of file system affects table creation
                 Key: HBASE-13652
                 URL: https://issues.apache.org/jira/browse/HBASE-13652
             Project: HBase
          Issue Type: Bug
          Components: shell
    Affects Versions: 1.0.0
         Environment: HBase standalone mode on Mac OS X.
            Reporter: Lars George


I noticed this on my Mac OS machine:

{noformat}
hbase(main):003:0> list
TABLE                                                                                    
                                                                     
0 row(s) in 0.0260 seconds

=> []
hbase(main):004:0> create 'TestTable', 'info'
0 row(s) in 0.2830 seconds

=> Hbase::Table - TestTable
hbase(main):005:0> create 'testtable', 'colfam1'
0 row(s) in 0.1750 seconds

=> Hbase::Table - testtable
hbase(main):006:0> list
TABLE                                                                                    
                                                                     
TestTable                                                                                
                                                                     
TestTable                                                                                
                                                                     
2 row(s) in 0.0170 seconds

=> ["TestTable", "TestTable"]
hbase(main):007:0> status 'detailed'
version 1.0.0
0 regionsInTransition
master coprocessors: []
1 live servers
    de1-app-mba-1.internal.larsgeorge.com:58824 1431124680152
        requestsPerSecond=0.0, numberOfOnlineRegions=4, usedHeapMB=47, maxHeapMB=4062, numberOfStores=4,
numberOfStorefiles=0, storefileUncompressedSizeMB=0, storefileSizeMB=0, memstoreSizeMB=0,
storefileIndexSizeMB=0, readRequestsCount=16, writeRequestsCount=8, rootIndexSizeKB=0, totalStaticIndexSizeKB=0,
totalStaticBloomSizeKB=0, totalCompactingKVs=0, currentCompactedKVs=0, compactionProgressPct=NaN,
coprocessors=[]
        "TestTable,,1431124762491.cb30b003b192aa1d429e5a8e908a2f7d."
            numberOfStores=1, numberOfStorefiles=0, storefileUncompressedSizeMB=0, storefileSizeMB=0,
memstoreSizeMB=0, storefileIndexSizeMB=0, readRequestsCount=0, writeRequestsCount=0, rootIndexSizeKB=0,
totalStaticIndexSizeKB=0, totalStaticBloomSizeKB=0, totalCompactingKVs=0, currentCompactedKVs=0,
compactionProgressPct=NaN, completeSequenceId=-1, dataLocality=0.0
        "hbase:meta,,1"
            numberOfStores=1, numberOfStorefiles=0, storefileUncompressedSizeMB=0, storefileSizeMB=0,
memstoreSizeMB=0, storefileIndexSizeMB=0, readRequestsCount=10, writeRequestsCount=6, rootIndexSizeKB=0,
totalStaticIndexSizeKB=0, totalStaticBloomSizeKB=0, totalCompactingKVs=0, currentCompactedKVs=0,
compactionProgressPct=NaN, completeSequenceId=-1, dataLocality=0.0
        "hbase:namespace,,1431124686536.42728f3a3411b0d8ff21c7a2622d9378."
            numberOfStores=1, numberOfStorefiles=0, storefileUncompressedSizeMB=0, storefileSizeMB=0,
memstoreSizeMB=0, storefileIndexSizeMB=0, readRequestsCount=6, writeRequestsCount=2, rootIndexSizeKB=0,
totalStaticIndexSizeKB=0, totalStaticBloomSizeKB=0, totalCompactingKVs=0, currentCompactedKVs=0,
compactionProgressPct=NaN, completeSequenceId=-1, dataLocality=0.0
        "testtable,,1431124773352.8d461d5069d1c88bc3b26562ab30e333."
            numberOfStores=1, numberOfStorefiles=0, storefileUncompressedSizeMB=0, storefileSizeMB=0,
memstoreSizeMB=0, storefileIndexSizeMB=0, readRequestsCount=0, writeRequestsCount=0, rootIndexSizeKB=0,
totalStaticIndexSizeKB=0, totalStaticBloomSizeKB=0, totalCompactingKVs=0, currentCompactedKVs=0,
compactionProgressPct=NaN, completeSequenceId=-1, dataLocality=0.0
0 dead servers
{noformat}

and on the file system there is 

{noformat}
larsgeorge:~$ ls -l hbase/data/default/
total 0
drwxr-xr-x  7 larsgeorge  staff  238 May  8 15:39 TestTable
{noformat}

This should not happen on a case sensitive file system (I presume), so is of marginal importance.
But a simple extra check during directory creation could fix this.



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