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From "Xuesen Liang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-13652) Case-insensitivity of file system affects table creation
Date Fri, 30 Dec 2016 13:23:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-13652?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xuesen Liang updated HBASE-13652:
---------------------------------
    Fix Version/s: 2.0.0
           Status: Patch Available  (was: Open)

> 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
>            Assignee: Xuesen Liang
>              Labels: beginner
>             Fix For: 2.0.0
>
>         Attachments: HBASE-13652.master.001.patch
>
>
> 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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