yuz10 commented on code in PR #7599:
URL: https://github.com/apache/rocketmq/pull/7599#discussion_r1453601842
##########
store/src/main/java/org/apache/rocketmq/store/dledger/DLedgerCommitLog.java:
##########
@@ -343,14 +427,48 @@ private void recover(long maxPhyOffsetOfConsumeQueue)
throws RocksDBException {
log.info("Will set the initial commitlog offset={} for dledger",
dividedCommitlogOffset);
}
+ private boolean isMmapFileMatchedRecover(final MmapFile mmapFile) {
+ ByteBuffer byteBuffer = mmapFile.sliceByteBuffer();
+
+ int magicCode = byteBuffer.getInt(DLedgerEntry.BODY_OFFSET +
MessageDecoder.MESSAGE_MAGIC_CODE_POSITION);
+ if (magicCode != MESSAGE_MAGIC_CODE) {
+ return false;
+ }
+
+ long storeTimestamp = byteBuffer.getLong(DLedgerEntry.BODY_OFFSET +
MessageDecoder.MESSAGE_STORE_TIMESTAMP_POSITION);
Review Comment:
if bortHost is ipv6, the offset should be 12 bytes larger
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