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Posted to issues@ozone.apache.org by GitBox <gi...@apache.org> on 2019/11/15 22:58:50 UTC
[GitHub] [hadoop-ozone] sodonnel commented on a change in pull request #160:
Hdds 1880 decom datanodework
sodonnel commented on a change in pull request #160: Hdds 1880 decom datanodework
URL: https://github.com/apache/hadoop-ozone/pull/160#discussion_r347044615
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File path: hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/keyvalue/KeyValueContainer.java
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@@ -664,37 +669,60 @@ public ContainerReplicaProto getContainerReport()
/**
* Returns LifeCycle State of the container.
+ *
* @return LifeCycle State of the container in HddsProtos format
* @throws StorageContainerException
*/
- private ContainerReplicaProto.State getHddsState()
+ private ContainerReplicaProto.State getHddsState(
+ HddsProtos.NodeOperationalState nodeState)
throws StorageContainerException {
- ContainerReplicaProto.State state;
- switch (containerData.getState()) {
- case OPEN:
- state = ContainerReplicaProto.State.OPEN;
- break;
- case CLOSING:
- state = ContainerReplicaProto.State.CLOSING;
- break;
- case QUASI_CLOSED:
- state = ContainerReplicaProto.State.QUASI_CLOSED;
- break;
- case CLOSED:
- state = ContainerReplicaProto.State.CLOSED;
- break;
- case UNHEALTHY:
- state = ContainerReplicaProto.State.UNHEALTHY;
- break;
- default:
- throw new StorageContainerException("Invalid Container state found: " +
- containerData.getContainerID(), INVALID_CONTAINER_STATE);
+ ContainerReplicaProto.State state = ContainerReplicaProto.State.INVALID;
+ if (nodeState == HddsProtos.NodeOperationalState.IN_SERVICE) {
+ switch (containerData.getState()) {
+ case OPEN:
+ state = ContainerReplicaProto.State.OPEN;
+ break;
+ case CLOSING:
+ state = ContainerReplicaProto.State.CLOSING;
+ break;
+ case QUASI_CLOSED:
+ state = ContainerReplicaProto.State.QUASI_CLOSED;
+ break;
+ case CLOSED:
+ state = ContainerReplicaProto.State.CLOSED;
+ break;
+ case UNHEALTHY:
+ state = ContainerReplicaProto.State.UNHEALTHY;
+ break;
+ default:
+ throw new StorageContainerException("Invalid Container state found: " +
+ containerData.getContainerID(), INVALID_CONTAINER_STATE);
+ }
+ }
+
+ // If this node has been marked as Decommissioned or is under going
+ // Decommission, we report all containers as DECOM_PLEASE_IGNORE state.
+ // This allows SCM to know that these containers need to be managed in
+ // a different way.
+ if (nodeState == HddsProtos.NodeOperationalState.DECOMMISSIONED ||
+ nodeState == HddsProtos.NodeOperationalState.DECOMMISSIONING) {
+ state = ContainerReplicaProto.State.DECOM_PLEASE_IGNORE;
+ }
+
+ // If we are in maintenance mode, this is a request to SCM/Replica
+ // manager to not start replication immediately; since we are making a
+ // promise to the SCM that these containers will soon be operational.
+
+ if (nodeState == HddsProtos.NodeOperationalState.ENTERING_MAINTENANCE ||
+ nodeState == HddsProtos.NodeOperationalState.IN_MAINTENANCE) {
+ state = ContainerReplicaProto.State.MAINT_CONSIDER_AVAILABLE;
Review comment:
Do we need to report only CLOSED containers as MAINT_CONSIDER_AVAILABLE / DECOM_PLEASE_IGNORE? Otherwise we will have no way on SCM to know if the replica is still open and we need to wait on the containers to close before replicating them etc.
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