HTHou commented on code in PR #13068:
URL: https://github.com/apache/iotdb/pull/13068#discussion_r1730871626
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iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/HashLastFlushTimeMap.java:
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@@ -94,10 +79,52 @@ public void updateMultiDeviceFlushedTime(
timePartitionId, (k1, v1) -> v1 == null ? finalMemIncr : v1 +
finalMemIncr);
}
+ // For recover only
+ @Override
+ public void upgradeAndUpdateMultiDeviceFlushedTime(
+ long timePartitionId, Map<IDeviceID, Long> flushedTimeMap) {
+ ILastFlushTime flushTimeMapForPartition =
+ partitionLatestFlushedTime.computeIfAbsent(
+ timePartitionId, id -> new DeviceLastFlushTime());
+ // upgrade
+ if (flushTimeMapForPartition instanceof PartitionLastFlushTime) {
+ long maxFlushTime = flushTimeMapForPartition.getLastFlushTime(null);
+ ILastFlushTime newDeviceLastFlushTime = new DeviceLastFlushTime();
+ long memIncr = 0;
+ for (Map.Entry<IDeviceID, Long> entry : flushedTimeMap.entrySet()) {
+ memIncr += HASHMAP_NODE_BASIC_SIZE + entry.getKey().ramBytesUsed();
+ newDeviceLastFlushTime.updateLastFlushTime(entry.getKey(),
entry.getValue());
+ maxFlushTime = Math.max(maxFlushTime, entry.getValue());
+ }
+ long finalMemIncr = memIncr;
+ memCostForEachPartition.compute(
+ timePartitionId, (k1, v1) -> v1 == null ? finalMemIncr : v1 +
finalMemIncr);
+ } else {
+ // should not go here
+ long memIncr = 0;
Review Comment:
Sure.
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