[
https://issues.apache.org/jira/browse/HDFS-15790?focusedWorklogId=600930&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-600930
]
ASF GitHub Bot logged work on HDFS-15790:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 23/May/21 14:02
Start Date: 23/May/21 14:02
Worklog Time Spent: 10m
Work Description: vinayakumarb commented on a change in pull request
#2767:
URL: https://github.com/apache/hadoop/pull/2767#discussion_r637551571
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/RPC.java
##########
@@ -937,11 +937,18 @@ public int hashCode() {
*/
static class ProtoClassProtoImpl {
final Class<?> protocolClass;
- final Object protocolImpl;
+ final Object protocolImpl;
+ private final boolean newPBImpl;
+
ProtoClassProtoImpl(Class<?> protocolClass, Object protocolImpl) {
this.protocolClass = protocolClass;
this.protocolImpl = protocolImpl;
+ this.newPBImpl = protocolImpl instanceof BlockingService;
}
+
+ public boolean isNewPBImpl() {
Review comment:
Done
##########
File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/ipc/ProtobufRpcEngine.java
##########
@@ -443,144 +430,52 @@ public Server(Class<?> protocolClass, Object
protocolImpl,
SecretManager<? extends TokenIdentifier> secretManager,
String portRangeConfig, AlignmentContext alignmentContext)
throws IOException {
- super(bindAddress, port, null, numHandlers,
- numReaders, queueSizePerHandler, conf,
- serverNameFromClass(protocolImpl.getClass()), secretManager,
- portRangeConfig);
- setAlignmentContext(alignmentContext);
- this.verbose = verbose;
- registerProtocolAndImpl(RPC.RpcKind.RPC_PROTOCOL_BUFFER, protocolClass,
- protocolImpl);
+ super(protocolClass, protocolImpl, conf, bindAddress, port, numHandlers,
+ numReaders, queueSizePerHandler, verbose, secretManager,
+ portRangeConfig, alignmentContext);
}
- @Override
- protected RpcInvoker getServerRpcInvoker(RpcKind rpcKind) {
- if (rpcKind == RpcKind.RPC_PROTOCOL_BUFFER) {
- return RPC_INVOKER;
- }
- return super.getServerRpcInvoker(rpcKind);
- }
-
- /**
- * Protobuf invoker for {@link RpcInvoker}
- */
- static class ProtoBufRpcInvoker implements RpcInvoker {
- private static ProtoClassProtoImpl getProtocolImpl(RPC.Server server,
- String protoName, long clientVersion) throws RpcServerException {
- ProtoNameVer pv = new ProtoNameVer(protoName, clientVersion);
- ProtoClassProtoImpl impl =
- server.getProtocolImplMap(RPC.RpcKind.RPC_PROTOCOL_BUFFER).get(pv);
- if (impl == null) { // no match for Protocol AND Version
- VerProtocolImpl highest =
-
server.getHighestSupportedProtocol(RPC.RpcKind.RPC_PROTOCOL_BUFFER,
- protoName);
- if (highest == null) {
- throw new RpcNoSuchProtocolException(
- "Unknown protocol: " + protoName);
- }
- // protocol supported but not the version that client wants
- throw new RPC.VersionMismatch(protoName, clientVersion,
- highest.version);
- }
- return impl;
+ static RpcWritable processCall(RPC.Server server,
Review comment:
Done.
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Issue Time Tracking
-------------------
Worklog Id: (was: 600930)
Time Spent: 3h 40m (was: 3.5h)
> Make ProtobufRpcEngineProtos and ProtobufRpcEngineProtos2 Co-Exist
> ------------------------------------------------------------------
>
> Key: HDFS-15790
> URL: https://issues.apache.org/jira/browse/HDFS-15790
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Critical
> Labels: pull-request-available, release-blocker
> Time Spent: 3h 40m
> Remaining Estimate: 0h
>
> Changing from Protobuf 2 to Protobuf 3 broke some stuff in Apache Hive
> project. This was not an awesome thing to do between minor versions in
> regards to backwards compatibility for downstream projects.
> Additionally, these two frameworks are not drop-in replacements, they have
> some differences. Also, Protobuf 2 is not deprecated or anything so let us
> have both protocols available at the same time. In Hadoop 4.x Protobuf 2
> support can be dropped.
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