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Posted to commits@doris.apache.org by "Gabriel39 (via GitHub)" <gi...@apache.org> on 2023/02/07 09:18:24 UTC

[GitHub] [doris] Gabriel39 opened a new pull request, #16474: [Bug](share hash table) Support shared hash table on Nereids

Gabriel39 opened a new pull request, #16474:
URL: https://github.com/apache/doris/pull/16474

   # Proposed changes
   
   Issue Number: close #xxx
   
   ## Problem summary
   
   Describe your changes.
   
   ## Checklist(Required)
   
   1. Does it affect the original behavior: 
       - [ ] Yes
       - [ ] No
       - [ ] I don't know
   2. Has unit tests been added:
       - [ ] Yes
       - [ ] No
       - [ ] No Need
   3. Has document been added or modified:
       - [ ] Yes
       - [ ] No
       - [ ] No Need
   4. Does it need to update dependencies:
       - [ ] Yes
       - [ ] No
   5. Are there any changes that cannot be rolled back:
       - [ ] Yes (If Yes, please explain WHY)
       - [ ] No
   
   ## Further comments
   
   If this is a relatively large or complex change, kick off the discussion at [dev@doris.apache.org](mailto:dev@doris.apache.org) by explaining why you chose the solution you did and what alternatives you considered, etc...
   
   


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[GitHub] [doris] HappenLee merged pull request #16474: [Bug](share hash table) Support shared hash table on Nereids

Posted by "HappenLee (via GitHub)" <gi...@apache.org>.
HappenLee merged PR #16474:
URL: https://github.com/apache/doris/pull/16474


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[GitHub] [doris] HappenLee commented on a diff in pull request #16474: [Bug](share hash table) Support shared hash table on Nereids

Posted by "HappenLee (via GitHub)" <gi...@apache.org>.
HappenLee commented on code in PR #16474:
URL: https://github.com/apache/doris/pull/16474#discussion_r1098449919


##########
fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java:
##########
@@ -1130,22 +1130,20 @@ private void computeFragmentExecParams() throws Exception {
                     // here choose the first instance to build hash table.
                     Map<TNetworkAddress, FInstanceExecParam> destHosts = new HashMap<>();
                     destParams.instanceExecParams.forEach(param -> {
-                        if (destHosts.containsKey(param.host)) {
-                            destHosts.get(param.host).instancesSharingHashTable.add(param.instanceId);
-                            return;
-                        }
-                        destHosts.put(param.host, param);
-
-                        param.buildHashTableForBroadcastJoin = true;
-                        TPlanFragmentDestination dest = new TPlanFragmentDestination();
-                        dest.fragment_instance_id = param.instanceId;
-                        try {
-                            dest.server = toRpcHost(param.host);
-                            dest.setBrpcServer(toBrpcHost(param.host));
-                        } catch (Exception e) {
-                            throw new RuntimeException(e);
+                        if (!destHosts.containsKey(param.host)) {

Review Comment:
   forget call `                            destHosts.get(param.host).instancesSharingHashTable.add(param.instanceId);`



##########
fe/fe-core/src/main/java/org/apache/doris/qe/Coordinator.java:
##########
@@ -1130,22 +1130,20 @@ private void computeFragmentExecParams() throws Exception {
                     // here choose the first instance to build hash table.
                     Map<TNetworkAddress, FInstanceExecParam> destHosts = new HashMap<>();
                     destParams.instanceExecParams.forEach(param -> {
-                        if (destHosts.containsKey(param.host)) {
-                            destHosts.get(param.host).instancesSharingHashTable.add(param.instanceId);
-                            return;
-                        }
-                        destHosts.put(param.host, param);
-
-                        param.buildHashTableForBroadcastJoin = true;
-                        TPlanFragmentDestination dest = new TPlanFragmentDestination();
-                        dest.fragment_instance_id = param.instanceId;
-                        try {
-                            dest.server = toRpcHost(param.host);
-                            dest.setBrpcServer(toBrpcHost(param.host));
-                        } catch (Exception e) {
-                            throw new RuntimeException(e);
+                        if (!destHosts.containsKey(param.host)) {

Review Comment:
   forget call `                            destHosts.get(param.host).instancesSharingHashTable.add(param.instanceId);`



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