[jira] [Updated] (CASSANDRA-4242) Name of parameters should be available in CqlPreparedResult

2012-05-13 Thread Pierre Chalamet (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-4242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Pierre Chalamet updated CASSANDRA-4242:
---

Attachment: (was: 4242.txt)

 Name of parameters should be available in CqlPreparedResult
 ---

 Key: CASSANDRA-4242
 URL: https://issues.apache.org/jira/browse/CASSANDRA-4242
 Project: Cassandra
  Issue Type: Improvement
  Components: Core
Affects Versions: 1.1.0
Reporter: Pierre Chalamet
Priority: Minor
 Attachments: 4242.txt


 Client side, it could be nice to have the name of parameters in 
 CqlPreparedResult. This could allow parameters mapping by name instead of by 
 index.
 {code}
 struct CqlPreparedResult {
 1: required i32 itemId,
 2: required i32 count,
 3: optional liststring variable_types
   4: optional mapbinary,string name_types  
 }
 {code}

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[jira] [Updated] (CASSANDRA-4242) Name of parameters should be available in CqlPreparedResult

2012-05-13 Thread Pierre Chalamet (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-4242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Pierre Chalamet updated CASSANDRA-4242:
---

Attachment: 4242.txt

use list instead of map since the order is important

 Name of parameters should be available in CqlPreparedResult
 ---

 Key: CASSANDRA-4242
 URL: https://issues.apache.org/jira/browse/CASSANDRA-4242
 Project: Cassandra
  Issue Type: Improvement
  Components: Core
Affects Versions: 1.1.0
Reporter: Pierre Chalamet
Priority: Minor
 Attachments: 4242.txt


 Client side, it could be nice to have the name of parameters in 
 CqlPreparedResult. This could allow parameters mapping by name instead of by 
 index.
 {code}
 struct CqlPreparedResult {
 1: required i32 itemId,
 2: required i32 count,
 3: optional liststring variable_types
   4: optional mapbinary,string name_types  
 }
 {code}

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[jira] [Updated] (CASSANDRA-4242) Name of parameters should be available in CqlPreparedResult

2012-05-13 Thread Pierre Chalamet (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-4242?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Pierre Chalamet updated CASSANDRA-4242:
---

Description: 
Client side, it could be nice to have the name of parameters in 
CqlPreparedResult. This could allow parameters mapping by name instead of by 
index.

{code}
struct CqlNameType {
1: required binary key,
2: required string type
}

struct CqlPreparedResult {
1: required i32 itemId,
2: required i32 count,
3: optional liststring variable_types,
4: optional listCqlNameType name_types
}
{code}

  was:
Client side, it could be nice to have the name of parameters in 
CqlPreparedResult. This could allow parameters mapping by name instead of by 
index.

{code}
struct CqlPreparedResult {
1: required i32 itemId,
2: required i32 count,
3: optional liststring variable_types
  4: optional mapbinary,string name_types  
}
{code}


 Name of parameters should be available in CqlPreparedResult
 ---

 Key: CASSANDRA-4242
 URL: https://issues.apache.org/jira/browse/CASSANDRA-4242
 Project: Cassandra
  Issue Type: Improvement
  Components: Core
Affects Versions: 1.1.0
Reporter: Pierre Chalamet
Priority: Minor
 Attachments: 4242.txt


 Client side, it could be nice to have the name of parameters in 
 CqlPreparedResult. This could allow parameters mapping by name instead of by 
 index.
 {code}
 struct CqlNameType {
 1: required binary key,
   2: required string type
 }
 struct CqlPreparedResult {
 1: required i32 itemId,
 2: required i32 count,
 3: optional liststring variable_types,
 4: optional listCqlNameType name_types
 }
 {code}

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[jira] [Commented] (CASSANDRA-4230) Deleting a CF always produces an error and that CF remains in an unknown state

2012-05-13 Thread Pavel Yaskevich (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-4230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13274270#comment-13274270
 ] 

Pavel Yaskevich commented on CASSANDRA-4230:


I have figured out that this problem is caused only when LeveledCompaction is 
used for Secondary Index, it seems like when index's leveled manifest is 
snapshoted it uses the wrong name.

 Deleting a CF always produces an error and that CF remains in an unknown state
 --

 Key: CASSANDRA-4230
 URL: https://issues.apache.org/jira/browse/CASSANDRA-4230
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 1.1.0
 Environment: Debian Linux Squeeze with the cassandra debian package 
 from Apache.
Reporter: André Cruz
Assignee: Pavel Yaskevich

 From the CLI perspective:
 [default@Disco] drop column family client; 
 null
 org.apache.thrift.transport.TTransportException
   at 
 org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132)
   at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
   at 
 org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:129)
   at 
 org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)
   at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)
   at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
   at 
 org.apache.cassandra.thrift.Cassandra$Client.recv_system_drop_column_family(Cassandra.java:1222)
   at 
 org.apache.cassandra.thrift.Cassandra$Client.system_drop_column_family(Cassandra.java:1209)
   at 
 org.apache.cassandra.cli.CliClient.executeDelColumnFamily(CliClient.java:1301)
   at 
 org.apache.cassandra.cli.CliClient.executeCLIStatement(CliClient.java:234)
   at 
 org.apache.cassandra.cli.CliMain.processStatementInteractive(CliMain.java:219)
   at org.apache.cassandra.cli.CliMain.main(CliMain.java:346)
 Log:
  INFO [MigrationStage:1] 2012-05-09 11:25:35,686 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-schema_columnfamilies@225225949(978/1222 
 serialized/live bytes, 21 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,687 Memtable.java (line 266) 
 Writing Memtable-schema_columnfamilies@225225949(978/1222 serialized/live 
 bytes, 21 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,748 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hc-34-Data.db
  (1041 bytes)
  INFO [MigrationStage:1] 2012-05-09 11:25:35,749 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-schema_columns@213209572(586/732 
 serialized/live bytes, 12 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,750 Memtable.java (line 266) 
 Writing Memtable-schema_columns@213209572(586/732 serialized/live bytes, 12 
 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,812 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-28-Data.db
  (649 bytes)
  INFO [CompactionExecutor:20] 2012-05-09 11:25:35,814 CompactionTask.java 
 (line 114) Compacting 
 [SSTableReader(path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-27-Data.db'),
  SSTableReader
 (path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-25-Data.db'),
  
 SSTableReader(path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-26-Data.db'),
  SSTableReader(path
 ='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-28-Data.db')]
  INFO [MigrationStage:1] 2012-05-09 11:25:35,918 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-Client@864320066(372/465 serialized/live 
 bytes, 6 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,919 Memtable.java (line 266) 
 Writing Memtable-Client@864320066(372/465 serialized/live bytes, 6 ops)
  INFO [CompactionExecutor:20] 2012-05-09 11:25:35,945 CompactionTask.java 
 (line 225) Compacted to 
 [/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-29-Data.db,].
   22,486 to 20,621 (~91% of orig
 inal) bytes for 2 keys at 0.150120MB/s.  Time: 131ms.
  INFO [FlushWriter:3] 2012-05-09 11:25:36,013 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/Disco/Client/Disco-Client-hc-5-Data.db (407 bytes)
 ERROR [MigrationStage:1] 2012-05-09 11:25:36,043 CLibrary.java (line 158) 
 Unable to create hard link
 

[jira] [Updated] (CASSANDRA-4230) Deleting a CF always produces an error and that CF remains in an unknown state

2012-05-13 Thread Pavel Yaskevich (JIRA)

 [ 
https://issues.apache.org/jira/browse/CASSANDRA-4230?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Pavel Yaskevich updated CASSANDRA-4230:
---

Attachment: CASSANDRA-4230.patch

 Deleting a CF always produces an error and that CF remains in an unknown state
 --

 Key: CASSANDRA-4230
 URL: https://issues.apache.org/jira/browse/CASSANDRA-4230
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 1.1.0
 Environment: Debian Linux Squeeze with the cassandra debian package 
 from Apache.
Reporter: André Cruz
Assignee: Pavel Yaskevich
 Fix For: 1.1.1

 Attachments: CASSANDRA-4230.patch


 From the CLI perspective:
 [default@Disco] drop column family client; 
 null
 org.apache.thrift.transport.TTransportException
   at 
 org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132)
   at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
   at 
 org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:129)
   at 
 org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)
   at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)
   at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
   at 
 org.apache.cassandra.thrift.Cassandra$Client.recv_system_drop_column_family(Cassandra.java:1222)
   at 
 org.apache.cassandra.thrift.Cassandra$Client.system_drop_column_family(Cassandra.java:1209)
   at 
 org.apache.cassandra.cli.CliClient.executeDelColumnFamily(CliClient.java:1301)
   at 
 org.apache.cassandra.cli.CliClient.executeCLIStatement(CliClient.java:234)
   at 
 org.apache.cassandra.cli.CliMain.processStatementInteractive(CliMain.java:219)
   at org.apache.cassandra.cli.CliMain.main(CliMain.java:346)
 Log:
  INFO [MigrationStage:1] 2012-05-09 11:25:35,686 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-schema_columnfamilies@225225949(978/1222 
 serialized/live bytes, 21 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,687 Memtable.java (line 266) 
 Writing Memtable-schema_columnfamilies@225225949(978/1222 serialized/live 
 bytes, 21 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,748 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hc-34-Data.db
  (1041 bytes)
  INFO [MigrationStage:1] 2012-05-09 11:25:35,749 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-schema_columns@213209572(586/732 
 serialized/live bytes, 12 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,750 Memtable.java (line 266) 
 Writing Memtable-schema_columns@213209572(586/732 serialized/live bytes, 12 
 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,812 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-28-Data.db
  (649 bytes)
  INFO [CompactionExecutor:20] 2012-05-09 11:25:35,814 CompactionTask.java 
 (line 114) Compacting 
 [SSTableReader(path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-27-Data.db'),
  SSTableReader
 (path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-25-Data.db'),
  
 SSTableReader(path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-26-Data.db'),
  SSTableReader(path
 ='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-28-Data.db')]
  INFO [MigrationStage:1] 2012-05-09 11:25:35,918 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-Client@864320066(372/465 serialized/live 
 bytes, 6 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,919 Memtable.java (line 266) 
 Writing Memtable-Client@864320066(372/465 serialized/live bytes, 6 ops)
  INFO [CompactionExecutor:20] 2012-05-09 11:25:35,945 CompactionTask.java 
 (line 225) Compacted to 
 [/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-29-Data.db,].
   22,486 to 20,621 (~91% of orig
 inal) bytes for 2 keys at 0.150120MB/s.  Time: 131ms.
  INFO [FlushWriter:3] 2012-05-09 11:25:36,013 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/Disco/Client/Disco-Client-hc-5-Data.db (407 bytes)
 ERROR [MigrationStage:1] 2012-05-09 11:25:36,043 CLibrary.java (line 158) 
 Unable to create hard link
 com.sun.jna.LastErrorException: errno was 17
 at org.apache.cassandra.utils.CLibrary.link(Native Method)
 at 
 

[jira] [Commented] (CASSANDRA-4230) Deleting a CF always produces an error and that CF remains in an unknown state

2012-05-13 Thread Jonathan Ellis (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-4230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13274389#comment-13274389
 ] 

Jonathan Ellis commented on CASSANDRA-4230:
---

Do we need this in 1.0 too?

 Deleting a CF always produces an error and that CF remains in an unknown state
 --

 Key: CASSANDRA-4230
 URL: https://issues.apache.org/jira/browse/CASSANDRA-4230
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 1.1.0
 Environment: Debian Linux Squeeze with the cassandra debian package 
 from Apache.
Reporter: André Cruz
Assignee: Pavel Yaskevich
 Fix For: 1.1.1

 Attachments: CASSANDRA-4230.patch


 From the CLI perspective:
 [default@Disco] drop column family client; 
 null
 org.apache.thrift.transport.TTransportException
   at 
 org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132)
   at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
   at 
 org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:129)
   at 
 org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)
   at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)
   at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
   at 
 org.apache.cassandra.thrift.Cassandra$Client.recv_system_drop_column_family(Cassandra.java:1222)
   at 
 org.apache.cassandra.thrift.Cassandra$Client.system_drop_column_family(Cassandra.java:1209)
   at 
 org.apache.cassandra.cli.CliClient.executeDelColumnFamily(CliClient.java:1301)
   at 
 org.apache.cassandra.cli.CliClient.executeCLIStatement(CliClient.java:234)
   at 
 org.apache.cassandra.cli.CliMain.processStatementInteractive(CliMain.java:219)
   at org.apache.cassandra.cli.CliMain.main(CliMain.java:346)
 Log:
  INFO [MigrationStage:1] 2012-05-09 11:25:35,686 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-schema_columnfamilies@225225949(978/1222 
 serialized/live bytes, 21 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,687 Memtable.java (line 266) 
 Writing Memtable-schema_columnfamilies@225225949(978/1222 serialized/live 
 bytes, 21 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,748 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hc-34-Data.db
  (1041 bytes)
  INFO [MigrationStage:1] 2012-05-09 11:25:35,749 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-schema_columns@213209572(586/732 
 serialized/live bytes, 12 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,750 Memtable.java (line 266) 
 Writing Memtable-schema_columns@213209572(586/732 serialized/live bytes, 12 
 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,812 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-28-Data.db
  (649 bytes)
  INFO [CompactionExecutor:20] 2012-05-09 11:25:35,814 CompactionTask.java 
 (line 114) Compacting 
 [SSTableReader(path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-27-Data.db'),
  SSTableReader
 (path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-25-Data.db'),
  
 SSTableReader(path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-26-Data.db'),
  SSTableReader(path
 ='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-28-Data.db')]
  INFO [MigrationStage:1] 2012-05-09 11:25:35,918 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-Client@864320066(372/465 serialized/live 
 bytes, 6 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,919 Memtable.java (line 266) 
 Writing Memtable-Client@864320066(372/465 serialized/live bytes, 6 ops)
  INFO [CompactionExecutor:20] 2012-05-09 11:25:35,945 CompactionTask.java 
 (line 225) Compacted to 
 [/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-29-Data.db,].
   22,486 to 20,621 (~91% of orig
 inal) bytes for 2 keys at 0.150120MB/s.  Time: 131ms.
  INFO [FlushWriter:3] 2012-05-09 11:25:36,013 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/Disco/Client/Disco-Client-hc-5-Data.db (407 bytes)
 ERROR [MigrationStage:1] 2012-05-09 11:25:36,043 CLibrary.java (line 158) 
 Unable to create hard link
 com.sun.jna.LastErrorException: errno was 17
 at org.apache.cassandra.utils.CLibrary.link(Native 

[jira] [Commented] (CASSANDRA-4230) Deleting a CF always produces an error and that CF remains in an unknown state

2012-05-13 Thread Pavel Yaskevich (JIRA)

[ 
https://issues.apache.org/jira/browse/CASSANDRA-4230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=13274391#comment-13274391
 ] 

Pavel Yaskevich commented on CASSANDRA-4230:


No, this bug came together with directory-per-CF which was added into 1.1.

 Deleting a CF always produces an error and that CF remains in an unknown state
 --

 Key: CASSANDRA-4230
 URL: https://issues.apache.org/jira/browse/CASSANDRA-4230
 Project: Cassandra
  Issue Type: Bug
  Components: Core
Affects Versions: 1.1.0
 Environment: Debian Linux Squeeze with the cassandra debian package 
 from Apache.
Reporter: André Cruz
Assignee: Pavel Yaskevich
 Fix For: 1.1.1

 Attachments: CASSANDRA-4230.patch


 From the CLI perspective:
 [default@Disco] drop column family client; 
 null
 org.apache.thrift.transport.TTransportException
   at 
 org.apache.thrift.transport.TIOStreamTransport.read(TIOStreamTransport.java:132)
   at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
   at 
 org.apache.thrift.transport.TFramedTransport.readFrame(TFramedTransport.java:129)
   at 
 org.apache.thrift.transport.TFramedTransport.read(TFramedTransport.java:101)
   at org.apache.thrift.transport.TTransport.readAll(TTransport.java:84)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readAll(TBinaryProtocol.java:378)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readI32(TBinaryProtocol.java:297)
   at 
 org.apache.thrift.protocol.TBinaryProtocol.readMessageBegin(TBinaryProtocol.java:204)
   at org.apache.thrift.TServiceClient.receiveBase(TServiceClient.java:69)
   at 
 org.apache.cassandra.thrift.Cassandra$Client.recv_system_drop_column_family(Cassandra.java:1222)
   at 
 org.apache.cassandra.thrift.Cassandra$Client.system_drop_column_family(Cassandra.java:1209)
   at 
 org.apache.cassandra.cli.CliClient.executeDelColumnFamily(CliClient.java:1301)
   at 
 org.apache.cassandra.cli.CliClient.executeCLIStatement(CliClient.java:234)
   at 
 org.apache.cassandra.cli.CliMain.processStatementInteractive(CliMain.java:219)
   at org.apache.cassandra.cli.CliMain.main(CliMain.java:346)
 Log:
  INFO [MigrationStage:1] 2012-05-09 11:25:35,686 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-schema_columnfamilies@225225949(978/1222 
 serialized/live bytes, 21 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,687 Memtable.java (line 266) 
 Writing Memtable-schema_columnfamilies@225225949(978/1222 serialized/live 
 bytes, 21 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,748 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/system/schema_columnfamilies/system-schema_columnfamilies-hc-34-Data.db
  (1041 bytes)
  INFO [MigrationStage:1] 2012-05-09 11:25:35,749 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-schema_columns@213209572(586/732 
 serialized/live bytes, 12 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,750 Memtable.java (line 266) 
 Writing Memtable-schema_columns@213209572(586/732 serialized/live bytes, 12 
 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,812 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-28-Data.db
  (649 bytes)
  INFO [CompactionExecutor:20] 2012-05-09 11:25:35,814 CompactionTask.java 
 (line 114) Compacting 
 [SSTableReader(path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-27-Data.db'),
  SSTableReader
 (path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-25-Data.db'),
  
 SSTableReader(path='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-26-Data.db'),
  SSTableReader(path
 ='/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-28-Data.db')]
  INFO [MigrationStage:1] 2012-05-09 11:25:35,918 ColumnFamilyStore.java (line 
 634) Enqueuing flush of Memtable-Client@864320066(372/465 serialized/live 
 bytes, 6 ops)
  INFO [FlushWriter:3] 2012-05-09 11:25:35,919 Memtable.java (line 266) 
 Writing Memtable-Client@864320066(372/465 serialized/live bytes, 6 ops)
  INFO [CompactionExecutor:20] 2012-05-09 11:25:35,945 CompactionTask.java 
 (line 225) Compacted to 
 [/var/lib/cassandra/data/system/schema_columns/system-schema_columns-hc-29-Data.db,].
   22,486 to 20,621 (~91% of orig
 inal) bytes for 2 keys at 0.150120MB/s.  Time: 131ms.
  INFO [FlushWriter:3] 2012-05-09 11:25:36,013 Memtable.java (line 307) 
 Completed flushing 
 /var/lib/cassandra/data/Disco/Client/Disco-Client-hc-5-Data.db (407 bytes)
 ERROR [MigrationStage:1] 2012-05-09 11:25:36,043 CLibrary.java (line 158) 
 Unable to create hard link
 com.sun.jna.LastErrorException: errno was 17
 at