Github user vongosling commented on a diff in the pull request:
https://github.com/apache/incubator-rocketmq/pull/146#discussion_r134940242
--- Diff: store/src/main/java/org/apache/rocketmq/store/ConsumeQueue.java
---
@@ -446,6 +446,13 @@ private boolean putMessagePositionInfo(final long
offset, final int size, final
if (cqOffset != 0) {
long currentLogicOffset = mappedFile.getWrotePosition() +
mappedFile.getFileFromOffset();
+
+ if (expectLogicOffset < currentLogicOffset) {
+ log.warn("build consume queue idempotent,
expectLogicOffset: {} currentLogicOffset: {} Topic: {} QID: {} Diff: {}",
--- End diff --
How to understand the meaning of building consume queue idempotentï¼
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