Apache PigFile Change Frequency
File change frequency measurements show the distribution of the number of file updates (days with at least one commit).
File Change Frequency Overall
File Change Frequency Overall
The number of recorded file updates
- There are 1,278 files with 156,535 lines of code.
- 6 files changed more than 100 times (6,475 lines of code)
- 10 files 51 to 100 times (8,710 lines of code)
- 53 files changed 21 to 50 times (23,940 lines of code)
- 302 files changed 6 to 20 times (54,347 lines of code)
- 907 files changed 5 or fewer times (63,063 lines of code)
Legend:
101+
51-100
21-50
6-20
1-5 updates
File Change Frequency per File Extension
java, pig
File Change Frequency per Extension
The number of recorded file updates
Legend:
101+
51-100
21-50
6-20
1-5 updates
File Change Frequency per Logical Decomposition
primary, backend
primary (file change frequency)
The number of recorded file updates
Legend:
101+
51-100
21-50
6-20
1-5 updates
backend (file change frequency)
The number of recorded file updates
Legend:
101+
51-100
21-50
6-20
1-5 updates
Most Frequently Changed Files (Top 50)
| File | # lines | # units | last modified (days ago) | created (days ago) | # changes |
|---|---|---|---|---|---|
| PigServer.java in src/org/apache/pig |
1172 | 103 | 984 | 4702 | 175 |
| JobControlCompiler.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
1462 | 66 | 717 | 4436 | 145 |
| Main.java in src/org/apache/pig |
881 | 25 | 1320 | 4702 | 121 |
| MRCompiler.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
2045 | 55 | 1325 | 4436 | 121 |
| MapReduceLauncher.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
631 | 13 | 1163 | 4436 | 119 |
| HExecutionEngine.java in src/org/apache/pig/backend/hadoop/executionengine |
284 | 19 | 1416 | 4581 | 105 |
| GruntParser.java in src/org/apache/pig/tools/grunt |
1199 | 64 | 984 | 4617 | 81 |
| PigContext.java in src/org/apache/pig/impl |
610 | 68 | 1202 | 4702 | 76 |
| PigStorage.java in src/org/apache/pig/builtin |
441 | 34 | 830 | 4702 | 66 |
| TezDagBuilder.java in src/org/apache/pig/backend/hadoop/executionengine/tez |
1097 | 21 | 704 | 2297 | 58 |
| Schema.java in src/org/apache/pig/impl/logicalLayer/schema |
1193 | 59 | 2941 | 4702 | 58 |
| LogicalPlanBuilder.java in src/org/apache/pig/parser |
1451 | 102 | 1206 | 3560 | 58 |
| POUserFunc.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/expressionOperators |
504 | 59 | 717 | 4436 | 57 |
| HBaseStorage.java in src/org/apache/pig/backend/hadoop/hbase |
931 | 44 | 717 | 4288 | 57 |
| PigConfiguration.java in src/org/apache/pig |
97 | 1 | 710 | 2957 | 52 |
| DataType.java in src/org/apache/pig/data |
1187 | 46 | 959 | 4617 | 51 |
| BinStorage.java in src/org/apache/pig/builtin |
360 | 32 | 2436 | 4702 | 49 |
| FileLocalizer.java in src/org/apache/pig/impl/io |
623 | 47 | 2143 | 4702 | 49 |
| POForEach.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators |
666 | 42 | 1008 | 4436 | 46 |
| Utils.java in src/org/apache/pig/impl/util |
493 | 40 | 1344 | 3971 | 42 |
| POCast.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/expressionOperators |
1810 | 28 | 959 | 4436 | 42 |
| OperatorPlan.java in src/org/apache/pig/impl/plan |
942 | 49 | 1202 | 4580 | 41 |
| LogToPhyTranslationVisitor.java in src/org/apache/pig/newplan/logical/relational |
1383 | 30 | 1008 | 3692 | 41 |
| DefaultAbstractBag.java in src/org/apache/pig/data |
282 | 23 | 996 | 4617 | 40 |
| PigMapReduce.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
202 | 19 | 1344 | 4436 | 37 |
| JarManager.java in src/org/apache/pig/impl/util |
216 | 10 | 701 | 4702 | 37 |
| PhysicalOperator.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer |
355 | 62 | 708 | 4436 | 37 |
| PigCombiner.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
190 | 7 | 1325 | 4436 | 36 |
| PigInputFormat.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
232 | 8 | 1200 | 4436 | 35 |
| PigStats.java in src/org/apache/pig/tools/pigstats |
381 | 47 | 1418 | 4142 | 35 |
| ScriptState.java in src/org/apache/pig/tools/pigstats |
595 | 78 | 1013 | 3774 | 35 |
| DefaultTuple.java in src/org/apache/pig/data |
382 | 20 | 2151 | 4583 | 34 |
| TezLauncher.java in src/org/apache/pig/backend/hadoop/executionengine/tez |
443 | 14 | 1321 | 2297 | 34 |
| POLocalRearrange.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators |
549 | 40 | 1705 | 4436 | 34 |
| POPackage.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators |
312 | 29 | 1705 | 4436 | 32 |
| MapReduceOper.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
351 | 62 | 1583 | 4436 | 32 |
| Utf8StorageConverter.java in src/org/apache/pig/builtin |
561 | 21 | 2027 | 4484 | 32 |
| PhyPlanVisitor.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/plans |
233 | 56 | 1202 | 4436 | 31 |
| PigMapBase.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
95 | 8 | 1344 | 4436 | 30 |
| JobStats.java in src/org/apache/pig/tools/pigstats |
186 | 19 | 2176 | 3734 | 30 |
| POSort.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators |
294 | 27 | 1202 | 4436 | 30 |
| POProject.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/expressionOperators |
442 | 43 | 1614 | 4436 | 30 |
| PigStatsUtil.java in src/org/apache/pig/tools/pigstats |
108 | 10 | 1145 | 3810 | 29 |
| EvalFunc.java in src/org/apache/pig |
164 | 26 | 717 | 4702 | 29 |
| UserFuncExpression.java in src/org/apache/pig/newplan/logical/expression |
323 | 17 | 1940 | 3692 | 29 |
| MapRedUtil.java in src/org/apache/pig/backend/hadoop/executionengine/util |
513 | 26 | 596 | 4149 | 29 |
| TezCompiler.java in src/org/apache/pig/backend/hadoop/executionengine/tez/plan |
2017 | 45 | 710 | 2186 | 28 |
| POMergeJoin.java in src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators |
559 | 35 | 1018 | 4047 | 27 |
| CombinerOptimizer.java in src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer |
28 | 4 | 2297 | 4422 | 26 |
| LogicalPlanOptimizer.java in src/org/apache/pig/newplan/logical/optimizer |
156 | 4 | 990 | 3692 | 26 |