Details
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Bug
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Resolution: Won't Fix
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Major
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None
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4.1.1, 4.1.2
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Untriaged
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Centos 64-bit
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Unknown
Description
To avoid issues with automation I manually installed and configured two servers. I used build 4.5.0-2601 (Waston GA).
Then I created buckets and enabled XDC replication from one node to another.
I made only one change to the default XDCR settings, namely optimistic replication threshold was set to 0.
curl -s "http://Administrator:password@172.23.96.100:8091/settings/replications/def1b4c45b751221541837cb7f5e0e94%2Fbucket-1%2Fbucket-1" | python -mjson.tool
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{
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"checkpointInterval": 1800,
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"docBatchSizeKb": 2048,
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"failureRestartInterval": 10,
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"filterExpression": "",
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"logLevel": "Info",
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"optimisticReplicationThreshold": 0,
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"pauseRequested": false,
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"sourceNozzlePerNode": 2,
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"statsInterval": 1000,
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"targetNozzlePerNode": 2,
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"type": "xmem",
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"workerBatchSize": 500
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}
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ReplicationManager 2016-07-27T17:00:15.493-07:00 [INFO] Creating replication spec - justValidate=false, sourceBucket=bucket-1, targetCluster=myCluster, targetBucket=bucket-1, settings=map[doc_batch_size_kb:2048 checkpoint_interval:1800 log_level:Info optimistic_replication_threshold:0 worker_batch_size:500 replication_type:xmem source_nozzle_per_node:2 stats_interval:1000 target_nozzle_per_node:2 failure_restart_interval:10]
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settings = map[active:true checkpoint_interval:1800 doc_batch_size_kb:2048 failure_restart_interval:10 source_nozzle_per_node:2 target_nozzle_per_node:2 replication_type:xmem worker_batch_size:500 optimistic_replication_threshold:0 log_level:Info stats_interval:1000 filter_expression:]
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Once replication was enabled, I started adding documents to the source node. Surprisingly, I didn't see any getMeta requests.
cbstats confirms my observations:
# /opt/couchbase/bin/cbstats -b bucket-1 -p password 127.0.0.1:11210 all | grep 'get_meta\|set_meta'
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ep_num_ops_get_meta: 0
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ep_num_ops_get_meta_on_set_meta: 0
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ep_num_ops_set_meta: 83887038
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ep_num_ops_set_meta_res_fail: 29961
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I don't think it's expected.
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- Closed
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