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Posted to commits@cloudberry.apache.org by "wenchaozhang-123 (via GitHub)" <gi...@apache.org> on 2025/03/18 03:29:28 UTC
[PR] Fix qps [cloudberry]
wenchaozhang-123 opened a new pull request, #995:
URL: https://github.com/apache/cloudberry/pull/995
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Fixes #ISSUE_Number
### What does this PR do?
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### Type of Change
- [ ] Bug fix (non-breaking change)
- [ ] New feature (non-breaking change)
- [ ] Breaking change (fix or feature with breaking changes)
- [ ] Documentation update
### Breaking Changes
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### Test Plan
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- [ ] Unit tests added/updated
- [ ] Integration tests added/updated
- [ ] Passed `make installcheck`
- [ ] Passed `make -C src/test installcheck-cbdb-parallel`
### Impact
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**Performance:**
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**User-facing changes:**
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**Dependencies:**
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### Checklist
- [ ] Followed [contribution guide](https://cloudberry.apache.org/contribute/code)
- [ ] Added/updated documentation
- [ ] Reviewed code for security implications
- [ ] Requested review from [cloudberry committers](https://github.com/orgs/apache/teams/cloudberry-committers)
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Re: [PR] Fix always rebuild gang when cdbdisp_dispatchCommandInternal. [cloudberry]
Posted by "yjhjstz (via GitHub)" <gi...@apache.org>.
yjhjstz commented on code in PR #995:
URL: https://github.com/apache/cloudberry/pull/995#discussion_r2001579530
##########
src/backend/access/transam/xact.c:
##########
@@ -2785,6 +2786,8 @@ CommitTransaction(void)
if (Gp_role == GP_ROLE_EXECUTE && !Gp_is_writer)
elog(DEBUG1,"CommitTransaction: called as segment Reader");
+ system_relation_modified = false;
Review Comment:
what about sub transcation ? savepoint
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Re: [PR] Fix always rebuild gang when cdbdisp_dispatchCommandInternal. [cloudberry]
Posted by "my-ship-it (via GitHub)" <gi...@apache.org>.
my-ship-it merged PR #995:
URL: https://github.com/apache/cloudberry/pull/995
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Re: [PR] Fix always rebuild gang when cdbdisp_dispatchCommandInternal. [cloudberry]
Posted by "my-ship-it (via GitHub)" <gi...@apache.org>.
my-ship-it commented on PR #995:
URL: https://github.com/apache/cloudberry/pull/995#issuecomment-2757772688
Have we tested whether it works?
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Re: [PR] Fix always rebuild gang when cdbdisp_dispatchCommandInternal. [cloudberry]
Posted by "wenchaozhang-123 (via GitHub)" <gi...@apache.org>.
wenchaozhang-123 commented on PR #995:
URL: https://github.com/apache/cloudberry/pull/995#issuecomment-2759997248
> Have we tested whether it works?
Yes, have tested in tpcc.
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Re: [PR] Fix always rebuild gang when cdbdisp_dispatchCommandInternal. [cloudberry]
Posted by "wenchaozhang-123 (via GitHub)" <gi...@apache.org>.
wenchaozhang-123 commented on code in PR #995:
URL: https://github.com/apache/cloudberry/pull/995#discussion_r2006738671
##########
src/backend/access/transam/xact.c:
##########
@@ -2785,6 +2786,8 @@ CommitTransaction(void)
if (Gp_role == GP_ROLE_EXECUTE && !Gp_is_writer)
elog(DEBUG1,"CommitTransaction: called as segment Reader");
+ system_relation_modified = false;
Review Comment:
Only when transaction commit/rollback will need to reset this flag, sub transaction can be ignored
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