HConnectionManager.listTables() doesn't return broken tables
------------------------------------------------------------
Key: HBASE-3251
URL: https://issues.apache.org/jira/browse/HBASE-3251
Project: HBase
Issue Type: Bug
Components: regionserver
Affects Versions: 0.20.6
Reporter: Ted Yu
In HConnectionManager.listTables():
byte[] value = result.getValue(CATALOG_FAMILY,
REGIONINFO_QUALIFIER);
HRegionInfo info = null;
if (value != null) {
info = Writables.getHRegionInfo(value);
}
// Only examine the rows where the startKey is zero length
if (info != null && info.getStartKey().length == 0) {
uniqueTables.add(info.getTableDesc());
}
For a broken table, there would be a row in .META (see below). but the table
wouldn't be included in uniqueTables.
{code}
packageindex,E70888DD48276D column=info:regioninfo, timestamp=1290188566363,
value=REGION => {NAME => 'packag
FAD4D26FEB08DC7045,12901630
eindex,E70888DD48276DFAD4D26FEB08DC7045,1290163034864', STARTKEY =>
'E70888DD4827
34864 6DFAD4D26FEB08DC7045', ENDKEY =>
'E83A8362462AF0D097810F96ED7103C2', ENCODED => 2
080544777, OFFLINE => true, TABLE => {{NAME =>
'packageindex', FAMILIES => [{NAME
=> 'i', COMPRESSION => 'GZ', VERSIONS => '1', TTL
=> '31536000', BLOCKSIZE => '6
5536', IN_MEMORY => 'false', BLOCKCACHE =>
'true'}, {NAME => 'u', COMPRESSION =>
'GZ', VERSIONS => '1', TTL => '31536000',
BLOCKSIZE => '65536', IN_MEMORY => 'fal
se', BLOCKCACHE => 'true'}]}}
{code}
Here is what led to broken table in our cluster.
2010-11-19 12:49:23,067 main INFO [PackageIndexTableTest]
[10:57am] tyu: Deleting packageindex content ...
>From hbase-hadoop-regionserver-us01-ciqps1-grid05.ciq.com.log:
{code}
2010-11-19 12:49:41,119 DEBUG org.apache.hadoop.hbase.regionserver.HRegion:
Caches flushed, doing commit now (which includes update scanners)
2010-11-19 12:49:41,121 INFO org.apache.hadoop.hbase.regionserver.HRegion:
Finished memstore flush of ~16.0k for region .META.,,1 in 83ms, sequence
id=48465684, compaction requested=true
2010-11-19 12:49:41,121 DEBUG
org.apache.hadoop.hbase.regionserver.CompactSplitThread: Compaction requested
for region .META.,,1/1028785192 because:
regionserver/10.202.50.105:60020.cacheFlusher
2010-11-19 12:54:11,353 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: Scanner 6416258050001207387
lease expired
2010-11-19 12:54:11,353 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
Cache Stats: Sizes: Total=633.5422MB (664317096), Free=161.05789MB (168881432),
Max=794.60004MB (833198528), Counts: Blocks=75276, Access=90464772,
Hit=86854034, Miss=3610738, Evictions=222, Evicted=2121113, Ratios: Hit
Ratio=96.00868225097656%, Miss Ratio=3.9913196116685867%,
Evicted/Run=9554.5634765625
2010-11-19 12:54:11,353 WARN org.apache.hadoop.hbase.util.Sleeper: We slept
269945ms, ten times longer than scheduled: 10000
2010-11-19 12:54:11,353 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
Cache Stats: Sizes: Total=633.5422MB (664317096), Free=161.05789MB (168881432),
Max=794.60004MB (833198528), Counts: Blocks=75276, Access=90464772,
Hit=86854034, Miss=3610738, Evictions=222, Evicted=2121113, Ratios: Hit
Ratio=96.00868225097656%, Miss Ratio=3.9913196116685867%,
Evicted/Run=9554.5634765625
2010-11-19 12:54:11,353 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: Scanner
-1270857692790249130 lease expired
2010-11-19 12:54:11,354 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache:
Cache Stats: Sizes: Total=633.5422MB (664317096), Free=161.05789MB (168881432),
Max=794.60004MB (833198528), Counts: Blocks=75276, Access=90464772,
Hit=86854034, Miss=3610738, Evictions=222, Evicted=2121113, Ratios: Hit
Ratio=96.00868225097656%, Miss Ratio=3.9913196116685867%,
Evicted/Run=9554.5634765625
...
2010-11-19 12:54:11,354 WARN org.apache.zookeeper.ClientCnxn: Exception closing
session 0x12c520945433100 to sun.nio.ch.selectionkeyi...@78317d11
java.io.IOException: TIMED OUT
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
2010-11-19 12:54:11,391 WARN org.apache.zookeeper.ClientCnxn: Exception closing
session 0x12c520945432f46 to sun.nio.ch.selectionkeyi...@727d3468
java.io.IOException: TIMED OUT
at org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:906)
2010-11-19 12:54:11,354 ERROR
org.apache.hadoop.hbase.regionserver.HRegionServer:
org.apache.hadoop.hbase.UnknownScannerException: Name: 6416258050001207387 on
us01-ciqps1-grid05.carrieriq.com,60020,1290003836762
at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1885)
at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:998)
2010-11-19 12:54:11,354 ERROR
org.apache.hadoop.hbase.regionserver.HRegionServer:
org.apache.hadoop.hbase.UnknownScannerException: Name: -1270857692790249130 on
us01-ciqps1-grid05.carrieriq.com,60020,1290003836762
at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1885)
at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1873)
at sun.reflect.GeneratedMethodAccessor5.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:998)
2010-11-19 12:54:11,354 WARN
org.apache.hadoop.hbase.regionserver.HRegionServer: unable to report to master
for 270306 milliseconds - retrying
2010-11-19 12:54:11,415 INFO org.apache.hadoop.ipc.HBaseServer: IPC Server
handler 16 on 60020, call next(6416258050001207387, 100) from
10.202.36.42:37477: error: org.apache.hadoop.hbase.UnknownScannerException:
Name: 6416258050001207387 on
us01-ciqps1-grid05.carrieriq.com,60020,1290003836762
org.apache.hadoop.hbase.UnknownScannerException: Name: 6416258050001207387 on
us01-ciqps1-grid05.carrieriq.com,60020,1290003836762
at
org.apache.hadoop.hbase.regionserver.HRegionServer.next(HRegionServer.java:1885)
at sun.reflect.GeneratedMethodAccessor12.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:657)
at
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:998)
...
{code}
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