symious commented on code in PR #3760:
URL: https://github.com/apache/ozone/pull/3760#discussion_r975965756
##########
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainer.java:
##########
@@ -617,6 +689,57 @@ public void exportContainerData(OutputStream destination,
}
}
+ @Override
+ public void copyContainerData(Path destination) throws IOException {
+ writeLock();
+ try {
+ // Closed/ Quasi closed containers are considered for replication by
+ // replication manager if they are under-replicated.
+ ContainerProtos.ContainerDataProto.State state =
+ getContainerData().getState();
+ if (!(state == ContainerProtos.ContainerDataProto.State.CLOSED ||
+ state == ContainerDataProto.State.QUASI_CLOSED)) {
+ throw new IllegalStateException(
+ "Only (quasi)closed containers can be exported, but " +
+ "ContainerId=" + getContainerData().getContainerID() +
+ " is in state " + state);
+ }
+
+ try {
+ if (!containerData.getSchemaVersion().equals(OzoneConsts.SCHEMA_V3)) {
+ compactDB();
+ // Close DB (and remove from cache) to avoid concurrent modification
+ // while copying it.
+ BlockUtils.removeDB(containerData, config);
+ }
+ } finally {
+ readLock();
+ writeUnlock();
+ }
+
+ if (containerData.getSchemaVersion().equals(OzoneConsts.SCHEMA_V3)) {
+ // Synchronize the dump and copy operation,
+ // so concurrent copy don't get dump files overwritten.
+ // We seldom got concurrent exports for a container,
+ // so it should not influence performance much.
+ synchronized (dumpLock) {
+ BlockUtils.dumpKVContainerDataToFiles(containerData, config);
+ copyContainerToDestination(destination);
+ }
+ } else {
+ copyContainerToDestination(destination);
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
Review Comment:
Sorry, I forget to remove the original line.
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