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new de31d99d667 [fix](schema-change) Fix potential data race when a schema
change jobs is set to cancelled but the table state is still SCHEMA_CHANGE
(#39164)
de31d99d667 is described below
commit de31d99d667556747e9f17af7ea3337ce28f192c
Author: Siyang Tang <[email protected]>
AuthorDate: Sat Aug 10 23:31:08 2024 +0800
[fix](schema-change) Fix potential data race when a schema change jobs is
set to cancelled but the table state is still SCHEMA_CHANGE (#39164)
## Proposed changes
Set job cancel state after table state changed to normal.
---
.../src/main/java/org/apache/doris/alter/SchemaChangeJobV2.java | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git
a/fe/fe-core/src/main/java/org/apache/doris/alter/SchemaChangeJobV2.java
b/fe/fe-core/src/main/java/org/apache/doris/alter/SchemaChangeJobV2.java
index f0d0df319c9..539ebcb6834 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/alter/SchemaChangeJobV2.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/alter/SchemaChangeJobV2.java
@@ -755,11 +755,11 @@ public class SchemaChangeJobV2 extends AlterJobV2 {
pruneMeta();
this.errMsg = errMsg;
this.finishedTimeMs = System.currentTimeMillis();
- LOG.info("cancel {} job {}, err: {}", this.type, jobId, errMsg);
- Env.getCurrentEnv().getEditLog().logAlterJob(this);
-
changeTableState(dbId, tableId, OlapTableState.NORMAL);
LOG.info("set table's state to NORMAL when cancel, table id: {}, job
id: {}", tableId, jobId);
+ jobState = JobState.CANCELLED;
+ Env.getCurrentEnv().getEditLog().logAlterJob(this);
+ LOG.info("cancel {} job {}, err: {}", this.type, jobId, errMsg);
postProcessShadowIndex();
return true;
@@ -797,8 +797,6 @@ public class SchemaChangeJobV2 extends AlterJobV2 {
}
}
}
-
- jobState = JobState.CANCELLED;
}
// Check whether transactions of the given database which txnId is less
than 'watershedTxnId' are finished
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