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Posted to notifications@accumulo.apache.org by "Dylan Hutchison (JIRA)" <ji...@apache.org> on 2015/03/05 15:52:48 UTC
[jira] [Created] (ACCUMULO-3645) Iterators not run at compaction
when tablets are empty
Dylan Hutchison created ACCUMULO-3645:
-----------------------------------------
Summary: Iterators not run at compaction when tablets are empty
Key: ACCUMULO-3645
URL: https://issues.apache.org/jira/browse/ACCUMULO-3645
Project: Accumulo
Issue Type: Bug
Components: mini, tserver
Affects Versions: 1.6.1
Environment: Ubuntu 14.04, Accumulo 1.6.1, Hadoop 2.6.0, Zookeeper 3.4.6
Reporter: Dylan Hutchison
When an iterator is configured to run during a one-time manual major compaction on a tablet that is empty, the iterator never runs. It seems as if Accumulo never constructs the SKVI stack at all, because it tries to optimize by eliminating "unnecessary" tablet compactions. Also true of MiniAccumulo.
This is bad for "generator" iterators that emit keys (in sorted order) not present in the tablet's data. They never have a chance to run.
A workaround is for the client to insert "dummy data" into the tablets he wants to compact, before starting a compaction with "generator" iterators. Note that *any* data is sufficient, even delete keys, to ensure the SKVI stack is built and run through.
Test file: [InjectTest|https://github.com/Accla/d4m_api_java/blob/master/src/test/java/edu/mit/ll/graphulo/InjectTest.java]
* method {{testInjectOnCompact_Empty}} fails because no data is in the tablets
* method {{testInjectOnCompact}} passes because data is written into the tablets before initiating compaction.
Two logs follow. Both have a [DebugIterator|https://accumulo.apache.org/1.6/apidocs/org/apache/accumulo/core/iterators/DebugIterator.html] set after an [InjectIterator|https://github.com/Accla/d4m_api_java/blob/master/src/main/java/edu/mit/ll/graphulo/InjectIterator.java], an SKVI which "generates" hard-coded entries. The root user scans the table after flush and compact.
Logs when no data in the tablets:
{code}
2015-03-05 06:58:04,914 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:04,974 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.01 secs, nbTimes = [4 4 4.00 1]
2015-03-05 06:58:04,992 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 15 entries in 0.01 secs (lookup_time:0.01 secs tablets:1 ranges:1)
2015-03-05 06:58:05,018 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 2 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:05,052 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 4 entries in 0.00 secs, nbTimes = [2 2 2.00 1]
2015-03-05 06:58:05,054 [tserver.TabletServer] DEBUG: Got compact message from user: !SYSTEM
2015-03-05 06:58:05,135 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 15 entries in 0.01 secs (lookup_time:0.01 secs tablets:1 ranges:1)
2015-03-05 06:58:05,138 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36422 2 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:05,384 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36422 2 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:05,386 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 15 entries in 0.01 secs (lookup_time:0.01 secs tablets:1 ranges:1)
2015-03-05 06:58:05,504 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 2 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:05,509 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36422 15 entries in 0.01 secs (lookup_time:0.01 secs tablets:1 ranges:1)
2015-03-05 06:58:06,069 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.01 secs, nbTimes = [3 3 3.00 1]
2015-03-05 06:58:06,158 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36456;
2015-03-05 06:58:06,158 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36456;
2015-03-05 06:58:06,168 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36456 2 entries in 0.01 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:06,174 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36456;
2015-03-05 06:58:06,174 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36456; action: scan; targetTable: test_InjectTest_testInjectOnCompact_Empty; authorizations: ; range: {5m;f<=[(-inf,f%00; : [] 9223372036854775807 false)]}; columns: []; iterators: []; iteratorOptions: {};
2015-03-05 06:58:06,174 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36478;
2015-03-05 06:58:06,174 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36456;
2015-03-05 06:58:06,174 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36478; action: scan; targetTable: test_InjectTest_testInjectOnCompact_Empty; authorizations: ; range: {5m<;f=[[f%00; : [] 9223372036854775807 false,+inf)]}; columns: []; iterators: []; iteratorOptions: {};
2015-03-05 06:58:06,175 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36478;
2015-03-05 06:58:06,176 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36478 0 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:06,176 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36456 0 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
{code}
Logs when data is in the tablets:
{code}
2015-03-05 06:58:31,673 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:31,674 [tserver.NativeMap] DEBUG: Allocated native map 0x000000000300ac20
2015-03-05 06:58:31,674 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 17 entries in 0.01 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:31,676 [tserver.Tablet] DEBUG: MinC initiate lock 0.00 secs
2015-03-05 06:58:31,676 [tserver.NativeMap] DEBUG: Allocated native map 0x000000000300acc0
2015-03-05 06:58:31,676 [tserver.Tablet] DEBUG: MinC initiate lock 0.00 secs
2015-03-05 06:58:31,684 [tserver.MinorCompactor] DEBUG: Begin minor compaction hdfs://localhost:9000/accumulo/tables/5n/t-00001h5/F00001h6.rf_tmp 5n;f<
2015-03-05 06:58:31,691 [tserver.MinorCompactor] DEBUG: Begin minor compaction hdfs://localhost:9000/accumulo/tables/5n/default_tablet/F00001h7.rf_tmp 5n<;f
2015-03-05 06:58:31,725 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:31,726 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:31,766 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 2 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:31,779 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:31,780 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:31,833 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:31,834 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:31,886 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:31,887 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:31,939 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:31,940 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:31,992 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:31,993 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:32,046 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [0 0 0.00 1]
2015-03-05 06:58:32,047 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:32,099 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:32,100 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:32,147 [tserver.Compactor] DEBUG: Compaction 5n;f< 1 read | 1 written | 2,147,483,647 entries/sec | 0.000 secs
2015-03-05 06:58:32,148 [tserver.Compactor] DEBUG: Compaction 5n<;f 2 read | 2 written | 2,147,483,647 entries/sec | 0.000 secs
2015-03-05 06:58:32,153 [tserver.Tablet] DEBUG: Logs for memory compacted: 5n;f< localhost:9997/hdfs://localhost:9000/accumulo/wal/localhost+9997/706df902-2745-4c08-86bf-dfd4e9b8c729
2015-03-05 06:58:32,153 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [2 2 2.00 1]
2015-03-05 06:58:32,153 [tserver.Tablet] DEBUG: Logs to be destroyed: 5n;f< localhost:9997/hdfs://localhost:9000/accumulo/wal/localhost+9997/706df902-2745-4c08-86bf-dfd4e9b8c729
2015-03-05 06:58:32,155 [tserver.Tablet] DEBUG: Logs for memory compacted: 5n<;f localhost:9997/hdfs://localhost:9000/accumulo/wal/localhost+9997/706df902-2745-4c08-86bf-dfd4e9b8c729
2015-03-05 06:58:32,155 [tserver.Tablet] DEBUG: Logs to be destroyed: 5n<;f localhost:9997/hdfs://localhost:9000/accumulo/wal/localhost+9997/706df902-2745-4c08-86bf-dfd4e9b8c729
2015-03-05 06:58:32,155 [tserver.TabletServer] DEBUG: Got flush message from user: !SYSTEM
2015-03-05 06:58:32,172 [log.TabletServerLogger] DEBUG: wrote MinC finish 400: writeTime:10ms
2015-03-05 06:58:32,173 [tserver.Tablet] TABLET_HIST: 5n;f< MinC [memory] -> hdfs://localhost:9000/accumulo/tables/5n/t-00001h5/F00001h6.rf
2015-03-05 06:58:32,173 [tserver.Tablet] DEBUG: MinC finish lock 0.00 secs 5n;f<
2015-03-05 06:58:32,173 [tserver.NativeMap] DEBUG: Deallocating native map 0x00000000037a1720
2015-03-05 06:58:32,178 [log.TabletServerLogger] DEBUG: wrote MinC finish 401: writeTime:11ms
2015-03-05 06:58:32,178 [tserver.Tablet] TABLET_HIST: 5n<;f MinC [memory] -> hdfs://localhost:9000/accumulo/tables/5n/default_tablet/F00001h7.rf
2015-03-05 06:58:32,178 [tserver.Tablet] DEBUG: MinC finish lock 0.00 secs 5n<;f
2015-03-05 06:58:32,178 [tserver.NativeMap] DEBUG: Deallocating native map 0x000000000300aaa0
2015-03-05 06:58:32,208 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:32,253 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 4 entries in 0.00 secs, nbTimes = [1 1 1.00 1]
2015-03-05 06:58:32,254 [tserver.TabletServer] DEBUG: Got compact message from user: !SYSTEM
2015-03-05 06:58:32,256 [tserver.Tablet] DEBUG: Major compaction plan: null propogate deletes : false
2015-03-05 06:58:32,256 [tserver.Tablet] DEBUG: MajC initiate lock 0.00 secs, wait 0.00 secs
2015-03-05 06:58:32,256 [tserver.Tablet] DEBUG: Major compaction plan: null propogate deletes : false
2015-03-05 06:58:32,256 [tserver.Tablet] DEBUG: MajC initiate lock 0.00 secs, wait 0.00 secs
2015-03-05 06:58:32,257 [tserver.Tablet] DEBUG: Starting MajC 5n<;f (USER) [hdfs://localhost:9000/accumulo/tables/5n/default_tablet/F00001h7.rf] --> hdfs://localhost:9000/accumulo/tables/5n/default_tablet/A00001h8.rf_tmp [name:InjectIterator, priority:15, class:edu.mit.ll.graphulo.InjectIterator, properties:{}, name:DebugIterator, priority:16, class:org.apache.accumulo.core.iterators.DebugIterator, properties:{}]
2015-03-05 06:58:32,257 [tserver.Tablet] DEBUG: Starting MajC 5n;f< (USER) [hdfs://localhost:9000/accumulo/tables/5n/t-00001h5/F00001h6.rf] --> hdfs://localhost:9000/accumulo/tables/5n/t-00001h5/A00001h9.rf_tmp [name:InjectIterator, priority:15, class:edu.mit.ll.graphulo.InjectIterator, properties:{}, name:DebugIterator, priority:16, class:org.apache.accumulo.core.iterators.DebugIterator, properties:{}]
2015-03-05 06:58:32,270 [graphulo.BranchIterator] INFO : class edu.mit.ll.graphulo.InjectIterator: init on scope majc fullScan=true
2015-03-05 06:58:32,270 [iterators.DebugIterator] DEBUG: init(edu.mit.ll.graphulo.InjectIterator@20a11899, {}, org.apache.accumulo.tserver.TabletIteratorEnvironment@3055f58b)
2015-03-05 06:58:32,271 [iterators.DebugIterator] DEBUG: 0x5B6B9177 seek([f%00; : [] 9223372036854775807 false,+inf), [], false)
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> kTablet2 :cq [] 1425556711614 false
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> kTablet2 :cq [] 1425556711614 false
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> kTablet2 :cq [] 1425556711614 false
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopValue() --> 7
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 next()
2015-03-05 06:58:32,272 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> m1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> m1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> m1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopValue() --> 1
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 next()
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> zTablet2 :cq [] 1425556711614 false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> zTablet2 :cq [] 1425556711614 false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> true
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopKey() --> zTablet2 :cq [] 1425556711614 false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 getTopValue() --> 7
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 next()
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> false
2015-03-05 06:58:32,273 [iterators.DebugIterator] DEBUG: 0x5B6B9177 hasTop() --> false
2015-03-05 06:58:32,275 [graphulo.BranchIterator] INFO : class edu.mit.ll.graphulo.InjectIterator: init on scope majc fullScan=true
2015-03-05 06:58:32,275 [iterators.DebugIterator] DEBUG: init(edu.mit.ll.graphulo.InjectIterator@6b76817, {}, org.apache.accumulo.tserver.TabletIteratorEnvironment@7312c172)
2015-03-05 06:58:32,275 [iterators.DebugIterator] DEBUG: 0x545A5E63 seek((-inf,f%00; : [] 9223372036854775807 false), [], false)
2015-03-05 06:58:32,276 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,276 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> a1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,276 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> a1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopValue() --> 1
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 next()
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> aTablet1 :cq [] 1425556711614 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> aTablet1 :cq [] 1425556711614 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> aTablet1 :cq [] 1425556711614 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopValue() --> 7
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 next()
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> c1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> c1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> c1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopValue() --> 1
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 next()
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> m1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> m1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> true
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopKey() --> m1 colF3:colQ3 [] 1425553534769 false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 getTopValue() --> 1
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 next()
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> false
2015-03-05 06:58:32,277 [iterators.DebugIterator] DEBUG: 0x545A5E63 hasTop() --> false
2015-03-05 06:58:32,307 [tserver.Compactor] DEBUG: Compaction 5n<;f 2 read | 3 written | 181 entries/sec | 0.011 secs
2015-03-05 06:58:32,320 [tserver.TabletServer] INFO : Adding 1 logs for extent !0<;~ as alias 3
2015-03-05 06:58:32,340 [tserver.Tablet] DEBUG: MajC finish lock 0.00 secs
2015-03-05 06:58:32,340 [tserver.Tablet] TABLET_HIST: 5n<;f MajC [hdfs://localhost:9000/accumulo/tables/5n/default_tablet/F00001h7.rf] --> hdfs://localhost:9000/accumulo/tables/5n/default_tablet/A00001h8.rf
2015-03-05 06:58:32,612 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36422 2 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:32,612 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 17 entries in 0.01 secs (lookup_time:0.01 secs tablets:1 ranges:1)
2015-03-05 06:58:32,718 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36525;
2015-03-05 06:58:32,722 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36525;
2015-03-05 06:58:32,725 [tserver.Compactor] DEBUG: Compaction 5n;f< 1 read | 4 written | 71 entries/sec | 0.014 secs
2015-03-05 06:58:32,736 [tserver.TabletServer] DEBUG: UpSess 127.0.0.1:36525 59 in 0.018s, at=[0 0 0.00 1] ft=0.013s(pt=0.000s lt=0.013s ct=0.000s)
2015-03-05 06:58:32,749 [tserver.Tablet] DEBUG: MajC finish lock 0.00 secs
2015-03-05 06:58:32,749 [tserver.Tablet] TABLET_HIST: 5n;f< MajC [hdfs://localhost:9000/accumulo/tables/5n/t-00001h5/F00001h6.rf] --> hdfs://localhost:9000/accumulo/tables/5n/t-00001h5/A00001h9.rf
2015-03-05 06:58:33,269 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:60455 !0 6 entries in 0.00 secs, nbTimes = [4 4 4.00 1]
2015-03-05 06:58:33,361 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36506;
2015-03-05 06:58:33,361 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36526;
2015-03-05 06:58:33,362 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36506; action: scan; targetTable: test_InjectTest_testInjectOnCompact; authorizations: ; range: {5n;f<=[(-inf,f%00; : [] 9223372036854775807 false)]}; columns: []; iterators: []; iteratorOptions: {};
2015-03-05 06:58:33,362 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36526; action: scan; targetTable: test_InjectTest_testInjectOnCompact; authorizations: ; range: {5n<;f=[[f%00; : [] 9223372036854775807 false,+inf)]}; columns: []; iterators: []; iteratorOptions: {};
2015-03-05 06:58:33,362 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36506;
2015-03-05 06:58:33,362 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36526;
2015-03-05 06:58:33,378 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36526 3 entries in 0.02 secs (lookup_time:0.01 secs tablets:1 ranges:1)
2015-03-05 06:58:33,378 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36506 3 entries in 0.02 secs (lookup_time:0.01 secs tablets:1 ranges:1)
2015-03-05 06:58:33,459 [tserver.TabletServer] DEBUG: ScanSess tid 127.0.0.1:36530 !0 0 entries in 0.00 secs, nbTimes = [0 0 0.00 1]
2015-03-05 06:58:33,493 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36525;
2015-03-05 06:58:33,495 [Audit ] INFO : operation: permitted; user: root; client: 127.0.0.1:36525;
2015-03-05 06:58:33,505 [tserver.TabletServer] DEBUG: UpSess 127.0.0.1:36525 4 in 0.011s, at=[1 1 1.00 1] ft=0.008s(pt=0.000s lt=0.008s ct=0.000s)
2015-03-05 06:58:33,580 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:60455 2 entries in 0.00 secs (lookup_time:0.00 secs tablets:1 ranges:1)
2015-03-05 06:58:33,586 [tserver.TabletServer] DEBUG: MultiScanSess 127.0.0.1:36422 17 entries in 0.01 secs (lookup_time:0.01 secs tablets:1 ranges:1)
{code}
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