dongeforever commented on code in PR #4306:
URL: https://github.com/apache/rocketmq/pull/4306#discussion_r873407942
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store/src/main/java/org/apache/rocketmq/store/MappedFile.java:
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@@ -295,13 +295,15 @@ public int flush(final int flushLeastPages) {
try {
//We only append data to fileChannel or mappedByteBuffer,
never both.
+ this.flushError = false;
if (writeBuffer != null || this.fileChannel.position() !=
0) {
this.fileChannel.force(false);
} else {
this.mappedByteBuffer.force();
}
} catch (Throwable e) {
log.error("Error occurred when force data to disk.", e);
+ this.flushError = true;
Review Comment:
Flush error rarely happens. And the client does not need to know the flush
error.
How about just making it simple, just do not change the flushed position
when encountering some unexpected error.
Do not introduce a new response code, and do not need to change other files.
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