Details
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Bug
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Resolution: Fixed
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Major
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7.0.0, 7.0.1, 7.0.2, 7.0.3, 7.0.4, 7.1.4, 7.0.5, 7.1.0, 7.1.1, 7.1.2, 7.1.3
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Untriaged
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0
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No
Description
| Issue | Resolution |
| When a replication spec change was made to a non-Data Service node, delete replication hung and caused the node to return an incorrect replication configuration. | XDCR now checks that the node is running the Data Service and handles it correctly. |
- Create a 2-node source cluster, 1-node target cluster. 1 source node is KV and 1 source node is back up (anything but KV)
- Create replication, delete replication, repeat 6x, which will fill up the channel.
- Capture go-routine of the non-KV source node, and we can see the lock contention:
2 @ 0x10003e216 0x10004f3cf 0x10004f3a6 0x10006d9a6 0x10008d6e5 0x1005d950e 0x1005d94ea 0x1005d92b5 0x1005d92b6 0x100b5c0bf 0x100072201
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# 0x10006d9a5 sync.runtime_SemacquireMutex+0x25 /Users/neil.huang/.cbdepscache/exploded/x86_64/go-1.20/go/src/runtime/sema.go:77
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# 0x10008d6e4 sync.(*Mutex).lockSlow+0x164 /Users/neil.huang/.cbdepscache/exploded/x86_64/go-1.20/go/src/sync/mutex.go:171
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# 0x1005d950d sync.(*Mutex).Lock+0x8d /Users/neil.huang/.cbdepscache/exploded/x86_64/go-1.20/go/src/sync/mutex.go:90
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# 0x1005d94e9 github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).updateCacheInternal+0x69 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1164
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# 0x1005d92b4 github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).updateCache+0x214 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1159
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# 0x1005d92b5 github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).ReplicationSpecServiceCallback+0x215 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1122
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# 0x100b5c0be github.com/couchbase/goxdcr/replication_manager.(*MetakvChangeListener).metakvCallback_async+0x5e /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/replication_manager/metakv_change_listener.go:97
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1 @ 0x10003e216 0x10000944e 0x100008ffd 0x100673fa6 0x1005daaa3 0x1005da5ea 0x1005d983b 0x1005d92b5 0x1005d92b6 0x100b5c0bf 0x100072201
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# 0x100673fa5 github.com/couchbase/goxdcr/backfill_manager.(*BackfillMgr).ReplicationSpecChangeCallback+0x605 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/backfill_manager/backfill_manager.go:619
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# 0x1005daaa2 github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).executeCallbackWithPriority+0x162 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1327
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# 0x1005da5e9 github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).callMetadataChangeCb+0x329 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1293
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# 0x1005d983a github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).updateCacheInternal+0x3ba /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1195
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# 0x1005d92b4 github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).updateCache+0x214 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1159
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# 0x1005d92b5 github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).ReplicationSpecServiceCallback+0x215 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1122
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# 0x100b5c0be github.com/couchbase/goxdcr/replication_manager.(*MetakvChangeListener).metakvCallback_async+0x5e /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/replication_manager/metakv_change_listener.go:97
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1 @ 0x10003e216 0x10004f3cf 0x10004f3a6 0x10006d9a6 0x10008d6e5 0x1005dcd8d 0x1005dcd69 0x10065a8b3 0x100662716 0x10008da82 0x100661867 0x100661835 0x100072201
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# 0x10006d9a5 sync.runtime_SemacquireMutex+0x25 /Users/neil.huang/.cbdepscache/exploded/x86_64/go-1.20/go/src/runtime/sema.go:77
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# 0x10008d6e4 sync.(*Mutex).lockSlow+0x164 /Users/neil.huang/.cbdepscache/exploded/x86_64/go-1.20/go/src/sync/mutex.go:171
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# 0x1005dcd8c sync.(*Mutex).Lock+0x8c /Users/neil.huang/.cbdepscache/exploded/x86_64/go-1.20/go/src/sync/mutex.go:90
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# 0x1005dcd68 github.com/couchbase/goxdcr/metadata_svc.(*ReplicationSpecService).SetDerivedObj+0x68 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/metadata_svc/replication_spec_service.go:1573
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# 0x10065a8b2 github.com/couchbase/goxdcr/pipeline_manager.(*PipelineManager).StopPipeline+0x832 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/pipeline_manager/pipeline_manager.go:658
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# 0x100662715 github.com/couchbase/goxdcr/pipeline_manager.(*PipelineUpdater).run.func1+0xe75 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/pipeline_manager/pipeline_manager.go:1635
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# 0x10008da81 sync.(*Once).doSlow+0xc1 /Users/neil.huang/.cbdepscache/exploded/x86_64/go-1.20/go/src/sync/once.go:74
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# 0x100661866 sync.(*Once).Do+0x46 /Users/neil.huang/.cbdepscache/exploded/x86_64/go-1.20/go/src/sync/once.go:65
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# 0x100661834 github.com/couchbase/goxdcr/pipeline_manager.(*PipelineUpdater).run+0x14 /Users/neil.huang/source/couchbase/goproj/src/github.com/couchbase/goxdcr/pipeline_manager/pipeline_manager.go:1620
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Attachments
Issue Links
- is a backport of
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- Resolved
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| For Gerrit Dashboard: MB-57235 | ||||||
|---|---|---|---|---|---|---|
| # | Subject | Branch | Project | Status | CR | V |
| 192119,2 | MB-57235: backfillMgr to not hang on spec callback for non-KV nodes | 7.1.x | goxdcr | Status: MERGED | +2 | +1 |