[
https://issues.apache.org/jira/browse/HBASE-3495?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Lars George updated HBASE-3495:
-------------------------------
Attachment: HBASE-3495.patch
Adds check to not include parent regions (as they are considered "offline")
when calling getTableRegionsAndLocations(). Note that another function in that
class has that already included:
{code}
public static List<HRegionInfo> getTableRegions(CatalogTracker catalogTracker,
byte [] tableName, final boolean excludeOfflinedSplitParents)
throws IOException
{code}
Which uses the "SPLIT" field to check. Was this an oversight in the former?
> Shell is failing on subsequent split calls
> ------------------------------------------
>
> Key: HBASE-3495
> URL: https://issues.apache.org/jira/browse/HBASE-3495
> Project: HBase
> Issue Type: Bug
> Components: regionserver
> Affects Versions: 0.90.0
> Reporter: Lars George
> Attachments: HBASE-3495.patch
>
>
> While working on HBASE-3492 I came across another oddity with manual splits:
> {code}
> hbase(main):003:0> split 'testtable'
>
> 0 row(s) in 3.0590 seconds
> hbase(main):004:0> scan '.META.', { COLUMNS => ['info:regioninfo'] }
>
> ROW COLUMN+CELL
>
>
> testtable,,1296545855212.5e4ef9631cacb6b column=info:regioninfo,
> timestamp=1296545855770, value=REGION => {NAME =>
> 'testtable,,1296545855212.5e4ef9631cacb6b2c6c
> 2c6c338140c53cad4. 338140c53cad4.', STARTKEY => '',
> ENDKEY => 'row-mdc', ENCODED => 5e4ef9631cacb6b2c6c338140c53cad4, TABLE =>
> {{NAME => '
> testtable', FAMILIES => [{NAME =>
> 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS => '3',
> COMPRESSION
> => 'NONE', TTL => '2147483647',
> BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE => 'true'}, {NAME =>
> 'cf2', BLOO
> MFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE =>
> '65536', IN_MEMORY => 'false',
> BLOCKCACHE => 'true'}]}}
>
> testtable,row-mdc,1296545855212.46e57f0c column=info:regioninfo,
> timestamp=1296545855774, value=REGION => {NAME =>
> 'testtable,row-mdc,1296545855212.46e57f0ca4eb
> a4eba8d3e5bef6365159a660. a8d3e5bef6365159a660.', STARTKEY =>
> 'row-mdc', ENDKEY => '', ENCODED => 46e57f0ca4eba8d3e5bef6365159a660, TABLE
> => {{NA
> ME => 'testtable', FAMILIES =>
> [{NAME => 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS =>
> '3', COMPR
> ESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE =>
> 'true'}, {NAME => 'cf2
> ', BLOOMFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKS
> IZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}}
>
> 2 row(s) in 0.6690 seconds
> hbase(main):005:0> split 'testtable'
> 0 row(s) in 0.4030 seconds
> hbase(main):006:0> split 'testtable'
> ERROR: org.apache.hadoop.ipc.RemoteException:
> org.apache.hadoop.hbase.NotServingRegionException: Region is not online:
> testtable,,1296545855212.5e4ef9631cacb6b2c6c338140c53cad4.
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.getRegion(HRegionServer.java:2376)
> at
> org.apache.hadoop.hbase.regionserver.HRegionServer.splitRegion(HRegionServer.java:2196)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.hadoop.hbase.ipc.WritableRpcEngine$Server.call(WritableRpcEngine.java:309)
> at
> org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:1057)
> Here is some help for this command:
> Split entire table or pass a region to split individual region. With the
> second parameter, you can specify an explicit split key for the region.
> Examples:
> split 'tableName'
> split 'regionName' # format: 'tableName,startKey,id'
> split 'tableName', 'splitKey'
> split 'regionName', 'splitKey'
> {code}
> It takes minutes for this to clear out eventually. Why is this not retried or
> flushed out right away?
> A few minutes (!) later I see this in the logs:
> {code}
> 2011-02-01 08:42:42,062 INFO org.apache.hadoop.hbase.catalog.MetaEditor:
> Deleted daughter reference
> testtable,,1296545879295.dfcc24e02e27e60160612dd5398cbd1e., qualifier=splitA,
> from parent testtable,,1296545855212.5e4ef9631cacb6b2c6c338140c53cad4.
> 2011-02-01 08:42:42,064 DEBUG org.apache.hadoop.hbase.ipc.HBaseRPC: Call:
> getRegionInfo 1
> 2011-02-01 08:42:42,064 DEBUG org.apache.hadoop.hbase.ipc.HBaseRPC: Call:
> delete 0
> 2011-02-01 08:42:42,064 INFO org.apache.hadoop.hbase.catalog.MetaEditor:
> Deleted daughter reference
> testtable,row-dau,1296545879295.4073eb6c82755aab57778af2dba39e22.,
> qualifier=splitB, from parent
> testtable,,1296545855212.5e4ef9631cacb6b2c6c338140c53cad4.
> 2011-02-01 08:42:42,064 DEBUG org.apache.hadoop.hbase.master.CatalogJanitor:
> Deleting region testtable,,1296545855212.5e4ef9631cacb6b2c6c338140c53cad4.
> because daughter splits no longer hold references
> 2011-02-01 08:42:42,065 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> DELETING region
> file:/tmp/hbase-larsgeorge/hbase/testtable/5e4ef9631cacb6b2c6c338140c53cad4
> 2011-02-01 08:42:42,067 DEBUG org.apache.hadoop.hbase.ipc.HBaseRPC: Call:
> getRegionInfo 1
> 2011-02-01 08:42:42,067 DEBUG org.apache.hadoop.hbase.ipc.HBaseRPC: Call:
> delete 0
> 2011-02-01 08:42:42,067 INFO org.apache.hadoop.hbase.catalog.MetaEditor:
> Deleted region testtable,,1296545855212.5e4ef9631cacb6b2c6c338140c53cad4.
> from META
> 2011-02-01 08:42:42,069 DEBUG org.apache.hadoop.hbase.ipc.HBaseRPC: Call:
> getRegionInfo 0
> 2011-02-01 08:42:42,070 DEBUG org.apache.hadoop.hbase.ipc.HBaseRPC: Call:
> delete 1
> 2011-02-01 08:42:42,071 INFO org.apache.hadoop.hbase.catalog.MetaEditor:
> Deleted daughter reference
> testtable,row-mdc,1296545879558.94cb351e5dd36c269247dd8a1a79373c.,
> qualifier=splitA, from parent
> testtable,row-mdc,1296545855212.46e57f0ca4eba8d3e5bef6365159a660.
> 2011-02-01 08:42:42,073 DEBUG org.apache.hadoop.hbase.ipc.HBaseRPC: Call:
> getRegionInfo 1
> 2011-02-01 08:42:42,074 DEBUG org.apache.hadoop.hbase.ipc.HBaseRPC: Call:
> delete 1
> 2011-02-01 08:42:42,074 INFO org.apache.hadoop.hbase.catalog.MetaEditor:
> Deleted daughter reference
> testtable,row-seq,1296545879558.43c5ffe1ca7dd6d1374b7b7430a7d261.,
> qualifier=splitB, from parent
> testtable,row-mdc,1296545855212.46e57f0ca4eba8d3e5bef6365159a660.
> 2011-02-01 08:42:42,074 DEBUG org.apache.hadoop.hbase.master.CatalogJanitor:
> Deleting region
> testtable,row-mdc,1296545855212.46e57f0ca4eba8d3e5bef6365159a660. because
> daughter splits no longer hold references
> 2011-02-01 08:42:42,074 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
> DELETING region
> file:/tmp/hbase-larsgeorge/hbase/testtable/46e57f0ca4eba8d3e5bef6365159a660
> {code}
> The the next split call works while the subsequent ones fail again. In other
> words the split is dropped somewhere and picked up by the catalog classes
> later while the shell does not see the new daughter regions?
> Even .META. is off
> {code}
> hbase(main):011:0> scan '.META.', { COLUMNS => ['info:regioninfo'] }
> ROW COLUMN+CELL
>
>
> testtable,,1296545879295.dfcc24e02e27e60 column=info:regioninfo,
> timestamp=1296546225693, value=REGION => {NAME =>
> 'testtable,,1296545879295.dfcc24e02e27e601606
> 160612dd5398cbd1e. 12dd5398cbd1e.', STARTKEY => '',
> ENDKEY => 'row-dau', ENCODED => dfcc24e02e27e60160612dd5398cbd1e, OFFLINE =>
> true, SPL
> IT => true, TABLE => {{NAME =>
> 'testtable', FAMILIES => [{NAME => 'cf1', BLOOMFILTER => 'NONE',
> REPLICATION_SCOPE => '0
> ', VERSIONS => '3', COMPRESSION =>
> 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false',
> BLOCKCACHE
> => 'true'}, {NAME => 'cf2',
> BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION
> => 'NONE', TT
> L => '2147483647', BLOCKSIZE =>
> '65536', IN_MEMORY => 'false', BLOCKCACHE => 'true'}]}}
>
> testtable,,1296546225506.f3a53bfa1bfd5ae column=info:regioninfo,
> timestamp=1296546225763, value=REGION => {NAME =>
> 'testtable,,1296546225506.f3a53bfa1bfd5ae6cbb
> 6cbb0641d43f8a242. 0641d43f8a242.', STARTKEY => '',
> ENDKEY => 'row-aaa', ENCODED => f3a53bfa1bfd5ae6cbb0641d43f8a242, TABLE =>
> {{NAME => '
> testtable', FAMILIES => [{NAME =>
> 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS => '3',
> COMPRESSION
> => 'NONE', TTL => '2147483647',
> BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE => 'true'}, {NAME =>
> 'cf2', BLOO
> MFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE =>
> '65536', IN_MEMORY => 'false',
> BLOCKCACHE => 'true'}]}}
>
> testtable,row-aaa,1296546225506.4253ecd9 column=info:regioninfo,
> timestamp=1296546225761, value=REGION => {NAME =>
> 'testtable,row-aaa,1296546225506.4253ecd9c94c
> c94c38b66bdf8cd17b07efcb. 38b66bdf8cd17b07efcb.', STARTKEY =>
> 'row-aaa', ENDKEY => 'row-dau', ENCODED => 4253ecd9c94c38b66bdf8cd17b07efcb,
> TABLE
> => {{NAME => 'testtable', FAMILIES
> => [{NAME => 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS
> => '3'
> , COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE =>
> 'true'}, {NAME
> => 'cf2', BLOOMFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647',
> BLOCKSIZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}}
>
> testtable,row-dau,1296545879295.4073eb6c column=info:regioninfo,
> timestamp=1296546225913, value=REGION => {NAME =>
> 'testtable,row-dau,1296545879295.4073eb6c8275
> 82755aab57778af2dba39e22. 5aab57778af2dba39e22.', STARTKEY =>
> 'row-dau', ENDKEY => 'row-mdc', ENCODED => 4073eb6c82755aab57778af2dba39e22,
> OFFLIN
> E => true, SPLIT => true, TABLE =>
> {{NAME => 'testtable', FAMILIES => [{NAME => 'cf1', BLOOMFILTER => 'NONE',
> REPLICATI
> ON_SCOPE => '0', VERSIONS => '3',
> COMPRESSION => 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY
> => 'false
> ', BLOCKCACHE => 'true'}, {NAME =>
> 'cf2', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS => '3',
> COMPRESSION
> => 'NONE', TTL => '2147483647',
> BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE => 'true'}]}}
>
> testtable,row-dau,1296546225769.529fdb6b column=info:regioninfo,
> timestamp=1296546225971, value=REGION => {NAME =>
> 'testtable,row-dau,1296546225769.529fdb6bcca8
> cca8459349c81b518a24436b. 459349c81b518a24436b.', STARTKEY =>
> 'row-dau', ENDKEY => 'row-gbo', ENCODED => 529fdb6bcca8459349c81b518a24436b,
> TABLE
> => {{NAME => 'testtable', FAMILIES
> => [{NAME => 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS
> => '3'
> , COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE =>
> 'true'}, {NAME
> => 'cf2', BLOOMFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647',
> BLOCKSIZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}}
>
> testtable,row-gbo,1296546225769.374d4364 column=info:regioninfo,
> timestamp=1296546225968, value=REGION => {NAME =>
> 'testtable,row-gbo,1296546225769.374d4364574a
> 574ad1c5f522aa55b3d81586. d1c5f522aa55b3d81586.', STARTKEY =>
> 'row-gbo', ENDKEY => 'row-mdc', ENCODED => 374d4364574ad1c5f522aa55b3d81586,
> TABLE
> => {{NAME => 'testtable', FAMILIES
> => [{NAME => 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS
> => '3'
> , COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE =>
> 'true'}, {NAME
> => 'cf2', BLOOMFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647',
> BLOCKSIZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}}
>
> testtable,row-mdc,1296545879558.94cb351e column=info:regioninfo,
> timestamp=1296545879815, value=REGION => {NAME =>
> 'testtable,row-mdc,1296545879558.94cb351e5dd3
> 5dd36c269247dd8a1a79373c. 6c269247dd8a1a79373c.', STARTKEY =>
> 'row-mdc', ENDKEY => 'row-seq', ENCODED => 94cb351e5dd36c269247dd8a1a79373c,
> TABLE
> => {{NAME => 'testtable', FAMILIES
> => [{NAME => 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS
> => '3'
> , COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE =>
> 'true'}, {NAME
> => 'cf2', BLOOMFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647',
> BLOCKSIZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}}
>
> testtable,row-seq,1296545879558.43c5ffe1 column=info:regioninfo,
> timestamp=1296546226107, value=REGION => {NAME =>
> 'testtable,row-seq,1296545879558.43c5ffe1ca7d
> ca7dd6d1374b7b7430a7d261. d6d1374b7b7430a7d261.', STARTKEY =>
> 'row-seq', ENDKEY => '', ENCODED => 43c5ffe1ca7dd6d1374b7b7430a7d261, OFFLINE
> => tr
> ue, SPLIT => true, TABLE => {{NAME
> => 'testtable', FAMILIES => [{NAME => 'cf1', BLOOMFILTER => 'NONE',
> REPLICATION_SCOP
> E => '0', VERSIONS => '3',
> COMPRESSION => 'NONE', TTL => '2147483647', BLOCKSIZE => '65536', IN_MEMORY
> => 'false', BLOC
> KCACHE => 'true'}, {NAME => 'cf2',
> BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION
> => 'NO
> NE', TTL => '2147483647', BLOCKSIZE
> => '65536', IN_MEMORY => 'false', BLOCKCACHE => 'true'}]}}
>
> testtable,row-seq,1296546225975.c9188f86 column=info:regioninfo,
> timestamp=1296546226161, value=REGION => {NAME =>
> 'testtable,row-seq,1296546225975.c9188f869822
> 9822da3ff21215a98a99ff5a. da3ff21215a98a99ff5a.', STARTKEY =>
> 'row-seq', ENDKEY => 'row-vfk', ENCODED => c9188f869822da3ff21215a98a99ff5a,
> TABLE
> => {{NAME => 'testtable', FAMILIES
> => [{NAME => 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS
> => '3'
> , COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE =>
> 'true'}, {NAME
> => 'cf2', BLOOMFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647',
> BLOCKSIZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}}
>
> testtable,row-vfk,1296546225975.682a4dbf column=info:regioninfo,
> timestamp=1296546226156, value=REGION => {NAME =>
> 'testtable,row-vfk,1296546225975.682a4dbf9800
> 980035dc379c6ccd7418cb08. 35dc379c6ccd7418cb08.', STARTKEY =>
> 'row-vfk', ENDKEY => '', ENCODED => 682a4dbf980035dc379c6ccd7418cb08, TABLE
> => {{NA
> ME => 'testtable', FAMILIES =>
> [{NAME => 'cf1', BLOOMFILTER => 'NONE', REPLICATION_SCOPE => '0', VERSIONS =>
> '3', COMPR
> ESSION => 'NONE', TTL =>
> '2147483647', BLOCKSIZE => '65536', IN_MEMORY => 'false', BLOCKCACHE =>
> 'true'}, {NAME => 'cf2
> ', BLOOMFILTER => 'NONE',
> REPLICATION_SCOPE => '0', VERSIONS => '3', COMPRESSION => 'NONE', TTL =>
> '2147483647', BLOCKS
> IZE => '65536', IN_MEMORY =>
> 'false', BLOCKCACHE => 'true'}]}}
>
> 10 row(s) in 0.2610 seconds
> {code}
> Look at the ENKDEYs.
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