bshashikant commented on a change in pull request #1364: HDDS-1843.
Undetectable corruption after restart of a datanode.
URL: https://github.com/apache/hadoop/pull/1364#discussion_r320887895
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File path:
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/impl/HddsDispatcher.java
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@@ -329,6 +336,21 @@ private ContainerCommandResponseProto dispatchRequest(
}
}
+ private void updateBCSID(Container container,
+ DispatcherContext dispatcherContext, ContainerProtos.Type cmdType) {
+ long bcsID = container.getBlockCommitSequenceId();
+ long containerId = container.getContainerData().getContainerID();
+ Map<Long, Long> container2BCSIDMap;
+ if (dispatcherContext != null && (cmdType == ContainerProtos.Type.PutBlock
+ || cmdType == ContainerProtos.Type.PutSmallFile)) {
+ container2BCSIDMap = dispatcherContext.getContainer2BCSIDMap();
+ Preconditions.checkNotNull(container2BCSIDMap);
+ Preconditions.checkArgument(container2BCSIDMap.containsKey(containerId));
+ // updates the latest BCSID on every putBlock or putSmallFile
+ // transaction over Ratis.
+ container2BCSIDMap.computeIfPresent(containerId, (u, v) -> v = bcsID);
Review comment:
will address in the next patch.
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