neuyilan commented on a change in pull request #2724:
URL: https://github.com/apache/iotdb/pull/2724#discussion_r581532127
##########
File path:
cluster/src/main/java/org/apache/iotdb/cluster/log/manage/FilePartitionedSnapshotLogManager.java
##########
@@ -117,11 +117,22 @@ private void collectTsFilesAndFillTimeseriesSchemas()
throws IOException {
collectTsFiles();
// 2.register the measurement
+ boolean slotExistsInPartition = true;
for (Map.Entry<Integer, Collection<TimeseriesSchema>> entry :
slotTimeseries.entrySet()) {
int slotNum = entry.getKey();
- FileSnapshot snapshot = slotSnapshots.computeIfAbsent(slotNum, s -> new
FileSnapshot());
- if (snapshot.getTimeseriesSchemas().isEmpty()) {
- snapshot.setTimeseriesSchemas(entry.getValue());
+
+ if (dataGroupMember.getMetaGroupMember() != null) {
+ List<Integer> slots =
+ ((SlotPartitionTable)
dataGroupMember.getMetaGroupMember().getPartitionTable())
+ .getNodeSlots(dataGroupMember.getHeader());
Review comment:
Move those codes before the for loop, we do not need to get the slots
for this raft group per loop, it's not efficient.
##########
File path:
cluster/src/main/java/org/apache/iotdb/cluster/log/manage/PartitionedSnapshotLogManager.java
##########
@@ -92,17 +92,27 @@ public Snapshot getSnapshot(long minIndex) {
void collectTimeseriesSchemas() {
slotTimeseries.clear();
List<StorageGroupMNode> allSgNodes =
IoTDB.metaManager.getAllStorageGroupNodes();
+ boolean slotExistsInPartition = true;
for (MNode sgNode : allSgNodes) {
String storageGroupName = sgNode.getFullPath();
int slot =
SlotPartitionTable.getSlotStrategy()
.calculateSlotByTime(
storageGroupName, 0, ((SlotPartitionTable)
partitionTable).getTotalSlotNumbers());
- Collection<TimeseriesSchema> schemas =
- slotTimeseries.computeIfAbsent(slot, s -> new HashSet<>());
- IoTDB.metaManager.collectTimeseriesSchema(sgNode, schemas);
- logger.debug("{}: {} timeseries are snapshot in slot {}", getName(),
schemas.size(), slot);
+ if (dataGroupMember.getMetaGroupMember() != null) {
+ List<Integer> slots =
+ ((SlotPartitionTable)
dataGroupMember.getMetaGroupMember().getPartitionTable())
+ .getNodeSlots(dataGroupMember.getHeader());
Review comment:
the same as above.
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