zxcware commented on a change in pull request #2957: [GOBBLIN-1117]Enable
record count verification for ORC format
URL: https://github.com/apache/incubator-gobblin/pull/2957#discussion_r409785019
##########
File path:
gobblin-compaction/src/main/java/org/apache/gobblin/compaction/verify/CompactionThresholdVerifier.java
##########
@@ -62,34 +62,41 @@ public CompactionThresholdVerifier(State state) {
*
* @return true iff the difference exceeds the threshold or this is the
first time compaction
*/
- public Result verify (FileSystemDataset dataset) {
+ public Result verify(FileSystemDataset dataset) {
Map<String, Double> thresholdMap = RecompactionConditionBasedOnRatio.
- getDatasetRegexAndRecompactThreshold
(state.getProp(MRCompactor.COMPACTION_LATEDATA_THRESHOLD_FOR_RECOMPACT_PER_DATASET,
- StringUtils.EMPTY));
+ getDatasetRegexAndRecompactThreshold(
+
state.getProp(MRCompactor.COMPACTION_LATEDATA_THRESHOLD_FOR_RECOMPACT_PER_DATASET,
StringUtils.EMPTY));
CompactionPathParser.CompactionParserResult result = new
CompactionPathParser(state).parse(dataset);
- double threshold =
RecompactionConditionBasedOnRatio.getRatioThresholdByDatasetName(result.getDatasetName(),
thresholdMap);
- log.debug ("Threshold is {} for dataset {}", threshold,
result.getDatasetName());
+ double threshold =
+
RecompactionConditionBasedOnRatio.getRatioThresholdByDatasetName(result.getDatasetName(),
thresholdMap);
+ log.debug("Threshold is {} for dataset {}", threshold,
result.getDatasetName());
InputRecordCountHelper helper = new InputRecordCountHelper(state);
try {
double newRecords = 0;
if (!dataset.isVirtual()) {
- newRecords = helper.calculateRecordCount (Lists.newArrayList(new
Path(dataset.datasetURN())));
+ newRecords = helper.calculateRecordCount(Lists.newArrayList(new
Path(dataset.datasetURN())));
}
- double oldRecords = helper.readRecordCount (new
Path(result.getDstAbsoluteDir()));
+ double oldRecords = helper.readRecordCount(new
Path(result.getDstAbsoluteDir()));
if (oldRecords == 0) {
return new Result(true, "");
}
if ((newRecords - oldRecords) / oldRecords > threshold) {
- log.debug ("Dataset {} records exceeded the threshold {}",
dataset.datasetURN(), threshold);
+ if (newRecords < oldRecords) {
Review comment:
put outside? otherwise, `(newRecords - oldRecords) / oldRecords` is a
negative value and will be always smaller than a positive threshold.
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