zhixinwen commented on code in PR #3077:
URL: https://github.com/apache/kvrocks/pull/3077#discussion_r2377782790


##########
src/cluster/batch_sender.cc:
##########
@@ -100,7 +100,7 @@ Status BatchSender::sendApplyBatchCmd(int fd, const 
rocksdb::WriteBatch &write_b
 
   GET_OR_RET(util::SockSend(fd, redis::ArrayOfBulkStrings({"APPLYBATCH", 
write_batch.Data()})));
 
-  std::string line = GET_OR_RET(util::SockReadLine(fd));
+  std::string line = GET_OR_RET(util::SockReadLineWithRetry(fd, 10, 500));

Review Comment:
   I was having compaction stop due to migration and my theory is the blocked 
rocksdb call blocks the event loop and paused all command processing. In fact, 
even PING was frozen on the target node during the time. 



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