iamqq23ue commented on issue #3661:
URL: https://github.com/apache/rocketmq/issues/3661#issuecomment-998516157
可以按如下方法复现只同步最新commitlog的情况
1，先不启动slave，在一个全新的master上创建topic生产一段时间，让主从差距有个上百G，然后启动slave。
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发送时间: 2021年12月20日(星期一) 晚上8:21
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主题: Re: [apache/rocketmq] Why only the last few files are synchronized
when the master-slave synchronization gap is large (Issue #3661)
look at org.apache.rocketmq.store.ha.HAService.HAClient#dispatchReadRequest
long slavePhyOffset = HAService.this.defaultMessageStore.getMaxPhyOffset();
if (slavePhyOffset != 0) { if (slavePhyOffset != masterPhyOffset) {
log.error("master pushed offset not equal the max phy offset in slave, SLAVE: "
+ slavePhyOffset + " MASTER: " + masterPhyOffset); return
false; } }
this ensures the slave offset should be continuous. Thesituation you
describe is unlikely to happen, can you give more details ??
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