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From Jason Tang <ares.t...@gmail.com>
Subject Failed to solve Digest mismatch
Date Thu, 28 Jun 2012 12:24:06 GMT
Hi

   First I delete one column, then I delete one row. Then try to read all
columns from the same row, all operations from same client app.

   The consistency level is read/write quorum.

   Check the Cassandra log, the local node don't perform the delete
operation but send the mutation to other nodes (192.168.0.6, 192.168.0.1)

   After delete, I try to read all columns from the row, I found the node
found "Digest mismatch" due to Quorum consistency configuration, but the
result is not correct.

   From the log, I can see the delete mutation already accepted
by 192.168.0.6, 192.168.0.1,  but when 192.168.0.5 read response from 0.6
and 0.1, and then it merge the data, but finally 0.5 shows the result which
is the dirty data.

   Following logs shows the change of column "737461747573" , 192.168.0.5
try to read from 0.1 and 0.6, it should be deleted, but finally it shows it
has the data.

log:
192.168.0.5
DEBUG [Thrift:17] 2012-06-28 15:59:42,198 StorageProxy.java (line 653)
Command/ConsistencyLevel is SliceByNamesReadCommand(table='drc',
key=7878323239537570657254616e67307878,
columnParent='QueryPath(columnFamilyName='queue', superColumnName='null',
columnName='null')',
columns=[6578656375746554696d65,6669726554696d65,67726f75705f6964,696e517565756554696d65,6c6f67526f6f744964,6d6f54797065,706172746974696f6e,7265636569766554696d65,72657175657374,7265747279,7365727669636550726f7669646572,
737461747573,757365724e616d65,])/QUORUM
DEBUG [Thrift:17] 2012-06-28 15:59:42,198 ReadCallback.java (line 79)
Blockfor is 2; setting up requests to /192.168.0.6,/192.168.0.1
DEBUG [Thrift:17] 2012-06-28 15:59:42,198 StorageProxy.java (line 674)
reading data from /192.168.0.6
DEBUG [Thrift:17] 2012-06-28 15:59:42,198 StorageProxy.java (line 694)
reading digest from /192.168.0.1
DEBUG [RequestResponseStage:2] 2012-06-28 15:59:42,199
ResponseVerbHandler.java (line 44) Processing response on a callback from
6556@/192.168.0.6
DEBUG [RequestResponseStage:2] 2012-06-28 15:59:42,199
AbstractRowResolver.java (line 66) Preprocessed data response
DEBUG [RequestResponseStage:6] 2012-06-28 15:59:42,199
ResponseVerbHandler.java (line 44) Processing response on a callback from
6557@/192.168.0.1
DEBUG [RequestResponseStage:6] 2012-06-28 15:59:42,199
AbstractRowResolver.java (line 66) Preprocessed digest response
DEBUG [Thrift:17] 2012-06-28 15:59:42,199 RowDigestResolver.java (line 65)
resolving 2 responses
DEBUG [Thrift:17] 2012-06-28 15:59:42,200 StorageProxy.java (line 733)
Digest mismatch: org.apache.cassandra.service.DigestMismatchException:
Mismatch for key DecoratedKey(100572974179274741747356988451225858264,
7878323239537570657254616e67307878) (b725ab25696111be49aaa7c4b7afa52d vs
d41d8cd98f00b204e9800998ecf8427e)
DEBUG [RequestResponseStage:9] 2012-06-28 15:59:42,201
ResponseVerbHandler.java (line 44) Processing response on a callback from
6558@/192.168.0.6
DEBUG [RequestResponseStage:7] 2012-06-28 15:59:42,201
ResponseVerbHandler.java (line 44) Processing response on a callback from
6559@/192.168.0.1
DEBUG [RequestResponseStage:9] 2012-06-28 15:59:42,201
AbstractRowResolver.java (line 66) Preprocessed data response
DEBUG [RequestResponseStage:7] 2012-06-28 15:59:42,201
AbstractRowResolver.java (line 66) Preprocessed data response
DEBUG [Thrift:17] 2012-06-28 15:59:42,201 RowRepairResolver.java (line 63)
resolving 2 responses
DEBUG [Thrift:17] 2012-06-28 15:59:42,201 SliceQueryFilter.java (line 123)
collecting 0 of 2147483647: 6669726554696d65:false:13@1340870382109004
DEBUG [Thrift:17] 2012-06-28 15:59:42,201 SliceQueryFilter.java (line 123)
collecting 1 of 2147483647: 67726f75705f6964:false:10@1340870382109014
DEBUG [Thrift:17] 2012-06-28 15:59:42,201 SliceQueryFilter.java (line 123)
collecting 2 of 2147483647: 696e517565756554696d65:false:13@1340870382109005
DEBUG [Thrift:17] 2012-06-28 15:59:42,201 SliceQueryFilter.java (line 123)
collecting 3 of 2147483647: 6c6f67526f6f744964:false:7@1340870382109015
DEBUG [Thrift:17] 2012-06-28 15:59:42,202 SliceQueryFilter.java (line 123)
collecting 4 of 2147483647: 6d6f54797065:false:6@1340870382109009
DEBUG [Thrift:17] 2012-06-28 15:59:42,202 SliceQueryFilter.java (line 123)
collecting 5 of 2147483647: 706172746974696f6e:false:2@1340870382109001
DEBUG [Thrift:17] 2012-06-28 15:59:42,202 SliceQueryFilter.java (line 123)
collecting 6 of 2147483647: 7265636569766554696d65:false:13@1340870382109003
DEBUG [Thrift:17] 2012-06-28 15:59:42,202 SliceQueryFilter.java (line 123)
collecting 7 of 2147483647: 72657175657374:false:300@1340870382109013
DEBUG [RequestResponseStage:5] 2012-06-28 15:59:42,202
ResponseVerbHandler.java (line 44) Processing response on a callback from
6552@/192.168.0.1
DEBUG [Thrift:17] 2012-06-28 15:59:42,202 SliceQueryFilter.java (line 123)
collecting 8 of 2147483647: 7265747279:false:1@1340870382109006
DEBUG [Thrift:17] 2012-06-28 15:59:42,202 SliceQueryFilter.java (line 123)
collecting 9 of 2147483647:
7365727669636550726f7669646572:false:4@1340870382109007
DEBUG [Thrift:17] 2012-06-28 15:59:42,203 SliceQueryFilter.java (line 123)
collecting 10 of 2147483647: 737461747573:false:8@1340870382152000
DEBUG [Thrift:17] 2012-06-28 15:59:42,203 SliceQueryFilter.java (line 123)
collecting 11 of 2147483647: 757365724e616d65:false:4@1340870382109000
DEBUG [Thrift:17] 2012-06-28 15:59:42,203 RowRepairResolver.java (line 89)
versions merged
DEBUG [Thrift:17] 2012-06-28 15:59:42,203 RowRepairResolver.java (line 102)
resolve: 2 ms.
DEBUG [Thrift:18] 2012-06-28 15:59:42,204 ClientState.java (line 123)
logged in: #<User casadm groups=[]>
DEBUG [Thrift:18] 2012-06-28 15:59:42,204 CassandraServer.java (line 305)
get_slice

192.168.0.1:
DEBUG [MutationStage:21] 2012-06-28 15:59:42,177
RowMutationVerbHandler.java (line 44) Applying RowMutation(keyspace='drc',
key='7878323239537570657254616e67307878', modifications=[ColumnFamily(queue
[737461747573:true:4@1340870382175000,])])
DEBUG [MutationStage:21] 2012-06-28 15:59:42,178 Table.java (line 391)
applying mutation of row 7878323239537570657254616e67307878
DEBUG [MutationStage:23] 2012-06-28 15:59:42,187
RowMutationVerbHandler.java (line 44) Applying RowMutation(keyspace='drc',
key='7878323239537570657254616e67307878', modifications=[ColumnFamily(queue
-deleted at 1340870382185000- [])])
DEBUG [MutationStage:23] 2012-06-28 15:59:42,187 Table.java (line 391)
applying mutation of row 7878323239537570657254616e67307878
DEBUG [MutationStage:20] 2012-06-28 15:59:42,189 Table.java (line 425)
mutating indexed column 737461747573 value 4445515545554544
DEBUG [MutationStage:20] 2012-06-28 15:59:42,189 CollationController.java
(line 77) collectTimeOrderedData
DEBUG [MutationStage:20] 2012-06-28 15:59:42,190 Table.java (line 449)
Pre-mutation index row is ColumnFamily(queue [737461747573
:false:8@1340870382152000,])
DEBUG [MutationStage:20] 2012-06-28 15:59:42,190 Table.java (line 500)
skipping index update for obsolete mutation of 737461747573
DEBUG [ReadStage:5] 2012-06-28 15:59:42,199 CollationController.java (line
77) collectTimeOrderedData
DEBUG [ReadStage:5] 2012-06-28 15:59:42,199 ReadVerbHandler.java (line 73)
digest is b725ab25696111be49aaa7c4b7afa52d
DEBUG [ReadStage:5] 2012-06-28 15:59:42,199 ReadVerbHandler.java (line 58)
Read key 7878323239537570657254616e67307878; sending response to 6557@/
192.168.0.3
DEBUG [ReadStage:6] 2012-06-28 15:59:42,200 CollationController.java (line
77) collectTimeOrderedData
DEBUG [ReadStage:6] 2012-06-28 15:59:42,201 ReadVerbHandler.java (line 58)
Read key 7878323239537570657254616e67307878; sending response to 6559@/
192.168.0.3
DEBUG [MutationStage:23] 2012-06-28 15:59:42,201 Table.java (line 425)
mutating indexed column 6669726554696d65 value null
DEBUG [MutationStage:21] 2012-06-28 15:59:42,201 Table.java (line 425)
mutating indexed column 737461747573 value 4fec0eee
DEBUG [MutationStage:23] 2012-06-28 15:59:42,201 Table.java (line 425)
mutating indexed column 6669726554696d65536c696365 value null
DEBUG [MutationStage:21] 2012-06-28 15:59:42,201 CollationController.java
(line 77) collectTimeOrderedData
DEBUG [MutationStage:23] 2012-06-28 15:59:42,202 Table.java (line 425)
mutating indexed column 696e517565756554696d65 value null
DEBUG [MutationStage:21] 2012-06-28 15:59:42,202 Table.java (line 449)
Pre-mutation index row is ColumnFamily(queue [737461747573
:false:8@1340870382152000,])
DEBUG [MutationStage:23] 2012-06-28 15:59:42,202 Table.java (line 425)
mutating indexed column 696e517565756554696d65536c696365 value null
DEBUG [MutationStage:23] 2012-06-28 15:59:42,202 Table.java (line 425)
mutating indexed column 6d6f54797065 value null
DEBUG [MutationStage:21] 2012-06-28 15:59:42,202 KeysIndex.java (line 103)
removed index entry for cleaned-up value DecoratedKey(DEQUEUED,
4445515545554544):ColumnFamily(queue.idxStatus
[7878323239537570657254616e67307878:true:4@1340870382152000,])
DEBUG [MutationStage:23] 2012-06-28 15:59:42,202 Table.java (line 425)
mutating indexed column 706172746974696f6e value null
DEBUG [MutationStage:21] 2012-06-28 15:59:42,202
RowMutationVerbHandler.java (line 56) RowMutation(keyspace='drc',
key='7878323239537570657254616e67307878', modifications=[ColumnFamily(queue
[737461747573:true:4@1340870382175000,])]) applied.  Sending response to
6552@/192.168.0.3

192.168.0.6:
DEBUG [MutationStage:6] 2012-06-28 15:59:42,177 RowMutationVerbHandler.java
(line 44) Applying RowMutation(keyspace='drc',
key='7878323239537570657254616e67307878', modifications=[ColumnFamily(queue
[737461747573:true:4@1340870382175000,])])
DEBUG [MutationStage:6] 2012-06-28 15:59:42,177 Table.java (line 391)
applying mutation of row 7878323239537570657254616e67307878
DEBUG [MutationStage:6] 2012-06-28 15:59:42,184 Table.java (line 425)
mutating indexed column 737461747573 value 4fec0eee
DEBUG [MutationStage:6] 2012-06-28 15:59:42,184 CollationController.java
(line 77) collectTimeOrderedData
DEBUG [MutationStage:6] 2012-06-28 15:59:42,184 Table.java (line 449)
Pre-mutation index row is ColumnFamily(queue [737461747573
:false:8@1340870382152000,])
DEBUG [MutationStage:6] 2012-06-28 15:59:42,184 KeysIndex.java (line 103)
removed index entry for cleaned-up value DecoratedKey(DEQUEUED,
4445515545554544):ColumnFamily(queue.idxStatus
[7878323239537570657254616e67307878:true:4@1340870382152000,])
DEBUG [MutationStage:6] 2012-06-28 15:59:42,184 RowMutationVerbHandler.java
(line 56) RowMutation(keyspace='drc',
key='7878323239537570657254616e67307878', modifications=[ColumnFamily(queue
[737461747573:true:4@1340870382175000,])]) applied.  Sending response to
6550@/192.168.0.3
DEBUG [MutationStage:10] 2012-06-28 15:59:42,187
RowMutationVerbHandler.java (line 44) Applying RowMutation(keyspace='drc',
key='7878323239537570657254616e67307878', modifications=[ColumnFamily(queue
-deleted at 1340870382185000- [])])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,187 Table.java (line 391)
applying mutation of row 7878323239537570657254616e67307878
DEBUG [MutationStage:10] 2012-06-28 15:59:42,190 Table.java (line 425)
mutating indexed column 6669726554696d65 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,190 Table.java (line 425)
mutating indexed column 6669726554696d65536c696365 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,190 Table.java (line 425)
mutating indexed column 696e517565756554696d65 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,190 Table.java (line 425)
mutating indexed column 696e517565756554696d65536c696365 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,190 Table.java (line 425)
mutating indexed column 6d6f54797065 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,190 Table.java (line 425)
mutating indexed column 706172746974696f6e value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,190 Table.java (line 425)
mutating indexed column 7265636569766554696d65 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,190 Table.java (line 425)
mutating indexed column 7265636569766554696d65536c696365 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,191 Table.java (line 425)
mutating indexed column 7365727669636550726f7669646572 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,191 Table.java (line 425)
mutating indexed column 737461747573 value null
DEBUG [MutationStage:10] 2012-06-28 15:59:42,191 CollationController.java
(line 77) collectTimeOrderedData
DEBUG [MutationStage:10] 2012-06-28 15:59:42,191 Table.java (line 449)
Pre-mutation index row is ColumnFamily(queue
[6669726554696d65:false:13@1340870382109004
,6669726554696d65536c696365:false:13@1340870382109011
,696e517565756554696d65:false:13@1340870382109005
,696e517565756554696d65536c696365:false:13@1340870382109012
,6d6f54797065:false:6@1340870382109009
,706172746974696f6e:false:2@1340870382109001
,7265636569766554696d65:false:13@1340870382109003
,7265636569766554696d65536c696365:false:13@1340870382109010
,7365727669636550726f7669646572:false:4@1340870382109007,737461747573
:true:4@1340870382175000,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,191 Table.java (line 500)
skipping index update for obsolete mutation of 737461747573
DEBUG [MutationStage:10] 2012-06-28 15:59:42,191 KeysIndex.java (line 103)
removed index entry for cleaned-up value
DecoratedKey(3898026790553046681950927403065,
31333430383730333531373839):ColumnFamily(queue.idxFireTime
[7878323239537570657254616e67307878:true:4@1340870382109004,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,192 KeysIndex.java (line 103)
removed index entry for cleaned-up value
DecoratedKey(3898026790552830793920833138736,
31333430383431363030303030):ColumnFamily(queue.idxFireTimeRange
[7878323239537570657254616e67307878:true:4@1340870382109011,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,192 KeysIndex.java (line 103)
removed index entry for cleaned-up value
DecoratedKey(3898026790553046681950927403065,
31333430383730333531373839):ColumnFamily(queue.idxInQueueTime
[7878323239537570657254616e67307878:true:4@1340870382109005,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,192 KeysIndex.java (line 103)
removed index entry for cleaned-up value
DecoratedKey(3898026790552830793920833138736,
31333430383431363030303030):ColumnFamily(queue.idxInQueueTimeRange
[7878323239537570657254616e67307878:true:4@1340870382109012,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,192 KeysIndex.java (line 103)
removed index entry for cleaned-up value DecoratedKey(TestMo,
546573744d6f):ColumnFamily(queue.idxMoType
[7878323239537570657254616e67307878:true:4@1340870382109009,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,193 KeysIndex.java (line 103)
removed index entry for cleaned-up value DecoratedKey(32,
3332):ColumnFamily(queue.idxPartitionId
[7878323239537570657254616e67307878:true:4@1340870382109001,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,193 KeysIndex.java (line 103)
removed index entry for cleaned-up value
DecoratedKey(3898026790553046681950927403065,
31333430383730333531373839):ColumnFamily(queue.idxRecvTime
[7878323239537570657254616e67307878:true:4@1340870382109003,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,193 KeysIndex.java (line 103)
removed index entry for cleaned-up value
DecoratedKey(3898026790552830793920833138736,
31333430383431363030303030):ColumnFamily(queue.idxRecvTimeRange
[7878323239537570657254616e67307878:true:4@1340870382109010,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,193 KeysIndex.java (line 103)
removed index entry for cleaned-up value DecoratedKey(test,
74657374):ColumnFamily(queue.idxServiceProvider
[7878323239537570657254616e67307878:true:4@1340870382109007,])
DEBUG [MutationStage:10] 2012-06-28 15:59:42,193
RowMutationVerbHandler.java (line 56) RowMutation(keyspace='drc',
key='7878323239537570657254616e67307878', modifications=[ColumnFamily(queue
-deleted at 1340870382185000- [])]) applied.  Sending response to 6553@/
192.168.0.3
DEBUG [ReadStage:17] 2012-06-28 15:59:42,198 CollationController.java (line
77) collectTimeOrderedData
DEBUG [ReadStage:17] 2012-06-28 15:59:42,199 ReadVerbHandler.java (line 58)
Read key 7878323239537570657254616e67307878; sending response to 6556@/
192.168.0.3

BRs
//Ares

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