Details
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Bug
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Resolution: Fixed
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Critical
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5.0.0
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Confirmed on Ubuntu 16.04 and MacOS Sierra
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Untriaged
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Unknown
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KV Spock DP Sprint
Description
Ran the following against a 2 node cluster.
cbc-pillowfight -t 3 -U 'couchbase://localhost:12000/test-bucket' -u test-bucket -P asdasd -e 33 -v
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Seen this both a debug and release build. The following information and is from a debug build of master on MacOSX Sierra. The interesting part of the backtrace is:
frame #9: 0x000000010dc8fc92 ep.dylib`SeqRange::SeqRange(this=0x000070000118c980, beginVal=1168, endVal=1167) + 1986 at linked_list.h:56
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frame #10: 0x000000010dc89ed5 ep.dylib`SeqRange::SeqRange(this=0x000070000118c980, beginVal=1168, endVal=1167) + 37 at linked_list.h:54
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frame #11: 0x000000010dc8dd62 ep.dylib`BasicLinkedList::purgeTombstones(this=0x0000000111920a00) + 1490 at linked_list.cc:248
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frame #12: 0x000000010dbcb199 ep.dylib`EphemeralVBucket::purgeTombstones(this=0x000000011194d018, purgeAge=259200) + 137 at ephemeral_vb.cc:281
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frame #13: 0x000000010dbc5c66 ep.dylib`EphemeralVBucket::VBTombstonePurger::visitBucket(this=0x000070000118cef8, vb=std::__1::shared_ptr<VBucket>::element_type @ 0x000000011194d018 strong=2 weak=2) + 294 at ephemeral_tombstone_purger.cc:64
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frame #14: 0x000000010dc4860d ep.dylib`KVBucket::visit(this=0x000000011143d000, visitor=0x000070000118cef8) + 141 at kv_bucket.cc:2542
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frame #15: 0x000000010dbc600f ep.dylib`EphTombstonePurgerTask::run(this=0x0000000111386ea0) + 751 at ephemeral_tombstone_purger.cc:85
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frame #16: 0x000000010dbf4252 ep.dylib`ExecutorThread::run(this=0x0000000111575c00) + 2530 at executorthread.cc:122
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And an interesting frame is:
frame #9: 0x000000010dc8fc92 ep.dylib`SeqRange::SeqRange(this=0x000070000118c980, beginVal=1168, endVal=1167) + 1986 at linked_list.h:56
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53 SeqRange(const seqno_t beginVal, const seqno_t endVal)
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54 : end(endVal), begin(beginVal) {
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55 if ((end < begin) || (begin < 0)) {
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-> 56 throw std::invalid_argument("Trying to create invalid SeqRange: [" +
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57 std::to_string(begin) + ", " +
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58 std::to_string(end) + "]");
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59 }
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Dump of the seqList:
BasicLinkedList[0x10f6b0900] with numItems:3 deletedItems:0 staleItems:0 highPurgeSeqno:0 elements:[
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OSV @0x10f9ebb00 ... W.N temp: seq:4275 rev:56 key:"ns:0 00000000000000000391" exp:1493287648 vallen:3094 val:"######################################## <cut>"
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OSV @0x10fb03a00 ... W.N temp: seq:4274 rev:56 key:"ns:0 00000000000000000573" exp:1493287648 vallen:559 val:"######################################## <cut>"
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OSV @0x10f9cefa0 ... W.N temp: seq:4314 rev:4202 key:"ns:0 00000000000000000201" exp:1493287648 vallen:1573 val:"######################################## <cut>"
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]
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More seqlist dumps:
2017-04-27T14:23:31.139372+01:00 WARNING (test-bucket) BasicLinkedList[0x113e3e400] with numItems:3 deletedItems:0 staleItems:0 highPurgeSeqno:0 elements:[
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OSV @0x113f40f40 ... W.N temp: seq:86 rev:29 key:"ns:0 00000000000000000201" exp:1493299443 vallen:55 val:"######################################## <cut>"
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OSV @0x113f5b0a0 ... W.N temp: seq:87 rev:29 key:"ns:0 00000000000000000391" exp:1493299443 vallen:58 val:"######################################## <cut>"
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OSV @0x113f7f3c0 ... W.N temp: seq:85 rev:29 key:"ns:0 00000000000000000573" exp:1493299443 vallen:53 val:"######################################## <cut>"
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]
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2017-04-27T14:23:31.139587+01:00 WARNING (test-bucket) BasicLinkedList[0x113e3e200] with numItems:3 deletedItems:0 staleItems:0 highPurgeSeqno:0 elements:[
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OSV @0x113f3e420 ... W.N temp: seq:85 rev:29 key:"ns:0 00000000000000000172" exp:1493299443 vallen:59 val:"######################################## <cut>"
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OSV @0x113f80c80 ... W.N temp: seq:87 rev:29 key:"ns:0 00000000000000000600" exp:1493299443 vallen:58 val:"######################################## <cut>"
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OSV @0x113fa5ee0 ... W.N temp: seq:86 rev:29 key:"ns:0 00000000000000000790" exp:1493299443 vallen:61 val:"######################################## <cut>"
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]
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2017-04-27T14:23:31.140074+01:00 WARNING (test-bucket) BasicLinkedList[0x113df7f00] with numItems:3 deletedItems:0 staleItems:0 highPurgeSeqno:0 elements:[
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OSV @0x113f4a780 ... W.N temp: seq:87 rev:29 key:"ns:0 00000000000000000212" exp:1493299443 vallen:55 val:"######################################## <cut>"
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OSV @0x113f59fc0 ... W.N temp: seq:86 rev:29 key:"ns:0 00000000000000000382" exp:1493299443 vallen:60 val:"######################################## <cut>"
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OSV @0x113f7ca00 ... W.N temp: seq:85 rev:29 key:"ns:0 00000000000000000560" exp:1493299443 vallen:62 val:"######################################## <cut>"
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]
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