juncevich commented on code in PR #7139:
URL: https://github.com/apache/ozone/pull/7139#discussion_r1854006949
##########
hadoop-hdds/server-scm/src/main/java/org/apache/hadoop/hdds/scm/container/balancer/ContainerBalancerTask.java:
##########
@@ -306,83 +323,123 @@ private void balance() {
tryStopWithSaveConfiguration("Completed all iterations.");
}
- private void saveIterationStatistic(Integer iterationNumber, IterationResult
iR) {
+ private void saveIterationStatistic(Integer iterationNumber, IterationResult
currentIterationResult) {
+ long iterationDuration = now().toEpochSecond() -
currentIterationStarted.toEpochSecond();
+ Map<UUID, Long> sizeEnteringDataToNodes =
+ convertToNodeIdToTrafficMap(findTargetStrategy.getSizeEnteringNodes());
+ Map<UUID, Long> sizeLeavingDataFromNodes =
+ convertToNodeIdToTrafficMap(findSourceStrategy.getSizeLeavingNodes());
+ IterationInfo iterationInfo = new IterationInfo(
+ iterationNumber,
+ currentIterationResult.name(),
+ iterationDuration
+ );
+ ContainerMoveInfo containerMoveInfo = new ContainerMoveInfo(metrics);
+ DataMoveInfo dataMoveInfo = new DataMoveInfo(
+ getSizeScheduledForMoveInLatestIteration(),
+ metrics.getDataSizeMovedInLatestIteration(),
+ sizeEnteringDataToNodes,
+ sizeLeavingDataFromNodes
+ );
ContainerBalancerTaskIterationStatusInfo iterationStatistic = new
ContainerBalancerTaskIterationStatusInfo(
- iterationNumber,
- iR.name(),
- getSizeScheduledForMoveInLatestIteration() / OzoneConsts.GB,
- metrics.getDataSizeMovedGBInLatestIteration(),
- metrics.getNumContainerMovesScheduledInLatestIteration(),
- metrics.getNumContainerMovesCompletedInLatestIteration(),
- metrics.getNumContainerMovesFailedInLatestIteration(),
- metrics.getNumContainerMovesTimeoutInLatestIteration(),
- findTargetStrategy.getSizeEnteringNodes()
- .entrySet()
- .stream()
- .filter(Objects::nonNull)
- .filter(datanodeDetailsLongEntry ->
datanodeDetailsLongEntry.getValue() > 0)
- .collect(
- Collectors.toMap(
- entry -> entry.getKey().getUuid(),
- entry -> entry.getValue() / OzoneConsts.GB
- )
- ),
- findSourceStrategy.getSizeLeavingNodes()
- .entrySet()
- .stream()
- .filter(Objects::nonNull)
- .filter(datanodeDetailsLongEntry ->
datanodeDetailsLongEntry.getValue() > 0)
- .collect(
- Collectors.toMap(
- entry -> entry.getKey().getUuid(),
- entry -> entry.getValue() / OzoneConsts.GB
- )
- )
+ iterationInfo,
+ containerMoveInfo,
+ dataMoveInfo
);
iterationsStatistic.add(iterationStatistic);
}
+ private Map<UUID, Long> convertToNodeIdToTrafficMap(Map<DatanodeDetails,
Long> nodeTrafficMap) {
+ return nodeTrafficMap
+ .entrySet()
+ .stream()
+ .filter(Objects::nonNull)
+ .filter(datanodeDetailsLongEntry ->
datanodeDetailsLongEntry.getValue() > 0)
+ .collect(
+ Collectors.toMap(
+ entry -> entry.getKey().getUuid(),
+ Map.Entry::getValue
+ )
+ );
+ }
+
+ /**
+ * Get current iteration statistics.
+ * @return current iteration statistic
+ */
public List<ContainerBalancerTaskIterationStatusInfo>
getCurrentIterationsStatistic() {
+ List<ContainerBalancerTaskIterationStatusInfo> resultList = new
ArrayList<>(iterationsStatistic);
+ ContainerBalancerTaskIterationStatusInfo currentIterationStatistic =
createCurrentIterationStatistic();
+ resultList.add(currentIterationStatistic);
+ return resultList;
+ }
+
+ private ContainerBalancerTaskIterationStatusInfo
createCurrentIterationStatistic() {
+ int lastIterationNumber = iterationsStatistic.isEmpty()
+ ? 0
+ : iterationsStatistic.get(iterationsStatistic.size() -
1).getIterationNumber();
+ long iterationDuration = getCurrentIterationDuration();
- int lastIterationNumber = iterationsStatistic.stream()
- .mapToInt(ContainerBalancerTaskIterationStatusInfo::getIterationNumber)
- .max()
- .orElse(0);
+ if (isCurrentIterationInProgress.get()) {
+ return getFilledCurrentIterationStatistic(lastIterationNumber,
iterationDuration);
+ } else {
+ return getEmptyCurrentIterationStatistic(iterationDuration);
+ }
Review Comment:
I think it is not critical. Maybe makes sense. But it leads to another
output behaviour. Perhaps it would be better to move it to a separate task? Not
to blow this PR.
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