Working v Broken example MB24055:

Good:

017-05-05T17:09:46.012276+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 511) Creating stream with start seqno 0 and end seqno 8
2017-05-05T17:09:46.012526+01:00 INFO (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 511) Transitioning from pending to backfilling
2017-05-05T17:09:46.012575+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::scheduleBackfill_UNLOCKED: after not(DISKONLY || reschedule)(vb 511): curChkSeqno:1 backfillEnd:0 tryBackfill:1
2017-05-05T17:09:46.012956+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::scheduleBackfill_UNLOCKED (vb 511): Considering backfill - backfillStart:1 backfillEnd:0tryBackfill:1
2017-05-05T17:09:46.013364+01:00 INFO (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 511) Transitioning from backfilling to in-memory
2017-05-05T17:09:46.013405+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::nextCheckpointItem (vb 511):false
2017-05-05T17:09:46.013825+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::nextCheckpointItem (vb 511):false
2017-05-05T17:09:48.993797+01:00 INFO (beer-sample) Set the current open checkpoint id to 2 for vbucket 511, bySeqno is 9, max is 8
2017-05-05T17:09:48.995718+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::nextCheckpointItem (vb 511):items:8
2017-05-05T17:09:48.996118+01:00 INFO (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 511) Transitioning from in-memory to dead
2017-05-05T17:09:48.996159+01:00 INFO (beer-sample) Remove the checkpoint cursor with the name "eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main)" from vbucket 511
2017-05-05T17:09:48.996196+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 511) Stream closing, sent until seqno 9 remaining items 7, reason: The stream ended due to all items being streamed
2017-05-05T17:09:48.996719+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 511) Stream closed, 0 items sent from backfill phase, 8 items sent from memory phase, 16 was last seqno sent

Bad:

2017-05-05T17:11:05.250770+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 505) Creating stream with start seqno 0 and end seqno 4
2017-05-05T17:11:05.251016+01:00 INFO (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 505) Transitioning from pending to backfilling
2017-05-05T17:11:05.251061+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::scheduleBackfill_UNLOCKED: after not(DISKONLY || reschedule)(vb 505): curChkSeqno:1 backfillEnd:0 tryBackfill:1
2017-05-05T17:11:05.251327+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::scheduleBackfill_UNLOCKED (vb 505): Considering backfill - backfillStart:1 backfillEnd:0tryBackfill:1
2017-05-05T17:11:05.251602+01:00 INFO (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - (vb 505) Transitioning from backfilling to in-memory
2017-05-05T17:11:05.251640+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::nextCheckpointItem (vb 505):false
2017-05-05T17:11:05.251909+01:00 NOTICE (beer-sample) DCP (Producer) eq_dcpq:mapreduce_view: beer-sample _design/beer (prod/main) - ActiveStream::nextCheckpointItem (vb 505):false
2017-05-05T17:11:08.053511+01:00 INFO (beer-sample) Set the current open checkpoint id to 3 for vbucket 505, bySeqno is 5, max is 4
2017-05-05T17:11:08.053713+01:00 NOTICE (beer-sample) Notified the completion of checkpoint persistence for vbucket 505, Check for: 2, Persisted upto: 2, cookie 0x112105700
2017-05-05T17:11:08.258377+01:00 INFO (beer-sample) Checkpoint 2 persisted for vbucket 505.
2017-05-05T17:11:08.303760+01:00 NOTICE (beer-sample) Notified the completion of checkpoint persistence for vbucket 505, Check for: 2, Persisted upto: 2, cookie 0x11201b700
2017-05-05T17:11:08.304070+01:00 INFO (beer-sample) Checkpoint 2 persisted for vbucket 505.