horizonzy opened a new issue #2570:
URL: https://github.com/apache/rocketmq/issues/2570
**BUG REPORT**
1. Please describe the issue you observed:
2. The code as follow:
```
private void recover(final boolean lastExitOK) {
long maxPhyOffsetOfConsumeQueue = this.recoverConsumeQueue();
if (lastExitOK) {
this.commitLog.recoverNormally(maxPhyOffsetOfConsumeQueue);
} else {
this.commitLog.recoverAbnormally(maxPhyOffsetOfConsumeQueue);
}
this.recoverTopicQueueTable();
}
```
After commitLog recover, it will clear redundant data in consumeQueue.
Now the judgement is
```
// Clear ConsumeQueue redundant data
if (maxPhyOffsetOfConsumeQueue >= processOffset) {
log.warn("maxPhyOffsetOfConsumeQueue({}) >=
processOffset({}), truncate dirty logic files", maxPhyOffsetOfConsumeQueue,
processOffset);
this.defaultMessageStore.truncateDirtyLogicFiles(processOffset);
}
```
In fact, use ` if (maxPhyOffsetOfConsumeQueue > processOffset) ` will be
better, because at most case, the `maxPhyOffsetOfConsumeQueue ==
processOffset`, The
`this.defaultMessageStore.truncateDirtyLogicFiles(processOffset);` needn't
process.
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