Toss delete failed to delete edge

[kikimo]

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After some disruption like leader isolation, toss delete failed to delete edge no matter how many times we try. It returns E_WRITE_WRITE_CONFLICT:

I1216 17:05:47.889587    2395 deleteEdge.go:227] resp: [PartitionResult_({Code:E_WRITE_WRITE_CONFLICT PartID:1 Leader:<nil>})]

and from the log we can see that:

1273667 I1216 17:05:47.869387   160 ScanNode.h:289] Collect prop idx
1273668 I1216 17:05:47.869391   160 ScanNode.h:289] Collect prop ts
1273669 I1216 17:05:47.869395   160 ScanNode.h:289] Collect prop _src
1273670 I1216 17:05:47.869398   160 ScanNode.h:289] Collect prop _type
1273671 I1216 17:05:47.869401   160 ScanNode.h:289] Collect prop _rank
1273672 I1216 17:05:47.869405   160 ScanNode.h:289] Collect prop _dst
1273673 I1216 17:05:47.869407   160 ScanNode.h:289] Collect prop idx
1273674 I1216 17:05:47.869411   160 ScanNode.h:289] Collect prop ts
1273675 I1216 17:05:47.869415   160 ScanNode.h:289] Collect prop _src
1273676 I1216 17:05:47.869418   160 ScanNode.h:289] Collect prop _type
1273677 I1216 17:05:47.869421   160 ScanNode.h:289] Collect prop _rank
1273678 I1216 17:05:47.869424   160 ScanNode.h:289] Collect prop _dst
1273679 I1216 17:05:47.869428   160 ScanNode.h:289] Collect prop idx
1273680 I1216 17:05:47.869431   160 ScanNode.h:289] Collect prop ts
1273681 I1216 17:05:47.889384  2996 ChainDeleteEdgesLocalProcessor.cpp:56] 0d28bb39-678e-47be-9c08-90998cda1bd3 prepareLocal(), code = E_WRITE_WRITE_CONFLICT
1273682 I1216 17:05:47.889443  2996 ChainDeleteEdgesLocalProcessor.cpp:69] 0d28bb39-678e-47be-9c08-90998cda1bd3 processRemote(), code = E_WRITE_WRITE_CONFLICT
1273683 I1216 17:05:47.889459  2996 ChainDeleteEdgesLocalProcessor.cpp:358] 0d28bb39-678e-47be-9c08-90998cda1bd3 commitLocal(), code_ = E_WRITE_WRITE_CONFLICT
1273684 I1216 17:05:47.947701    72 MetaClient.cpp:2435] Send heartbeat to "meta1":9559, clusterId 8332621799749175827
1273685 I1216 17:05:47.947765    66 ThriftClientManager-inl.h:46] Getting a client to "meta1":9559
1273686 I1216 17:05:47.947780    66 MetaClient.cpp:648] Send request to meta "meta1":9559
1273687 I1216 17:05:47.950824    66 MetaClient.cpp:2450] Metad last update time: 1639638284700

Your Environments (required)

• OS: uname -a
• Compiler: g++ --version or clang++ --version
• CPU: lscpu
• Commit id (e.g. a3ffc7d8)

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Steps to reproduce the behavior:

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2. Step 2
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Expected behavior

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