Details
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Bug
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Resolution: Fixed
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Critical
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4.6.1
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None
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Untriaged
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Unknown
Description
Steps
- Take a 3-node 2.5.2 cluster. One bucket, 30K simple json docs.
- Rebalance out 1 node
- Upgrade this node to 4.6.1
- Swap rebalance back in the upgraded node for one of the 2 remaining 2.5.2 nodes
On completion of the swap rebalance, several of the couchstore files on the incoming 4.6.1 node contain no documents (they are ~4142 bytes large but only contain the local document, despite the vbucket containing items in memory.
ls -alS /opt/couchbase/var/lib/couchbase/data/charlie | tail -5
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-rw-rw---- 1 couchbase couchbase 4142 Mar 28 21:43 381.couch.1
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-rw-rw---- 1 couchbase couchbase 4142 Mar 28 21:42 514.couch.1
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-rw-rw---- 1 couchbase couchbase 4142 Mar 28 21:42 527.couch.1
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couch_dbdump yields the following:
# /opt/couchbase/bin/couch_dbdump --local --iterate /opt/couchbase/var/lib/couchbase/data/charlie/381.couch.1
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Dumping "/opt/couchbase/var/lib/couchbase/data/charlie/381.couch.1":
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Key: _local/vbstate
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Value: {"state": "active","checkpoint_id": "2","max_deleted_seqno": "0","failover_table": [{"id":153468350978446,"seq":88},{"id":134463534283871,"seq":0}],"snap_start": "88","snap_end": "88","max_cas": "304708245378"}
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Dumping B-tree at 0:
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Total docs: 1
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Logs
(node 3 was the 4.6.1 node, being swapped for node2)
https://cb-engineering.s3.amazonaws.com/davidH/node3-cb252-ubuntu14.zip
https://cb-engineering.s3.amazonaws.com/davidH/node2-cb252-ubuntu14.zip
https://cb-engineering.s3.amazonaws.com/davidH/node1-cb252-ubuntu14.zip
Attachments
Issue Links
- blocks
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MB-22188 4.6.2 Minor Release
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- Closed
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