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  1. Couchbase Server
  2. MB-58071

[1B, AWS, IsolatedServices]: Indexer rebalance hang at 45.83% for a very long time and eventually failed under 10k(1:1) read:expiry(ttl=10s) KV workload.

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Details

    • Bug
    • Resolution: Duplicate
    • Critical
    • 7.6.0
    • 7.2.1
    • secondary-index
    • couchbase-cloud-server-7.2.1-5878-v1.0.19

    Description

      1. Create a 8 nodes(c5.2xlarge) cluster: 3-KV, 3-GSI, 2N1QL
      2. Create bucket, 10 collections, 100M items in each.
      3. Create GSI indexes on 2 collections.
      4. Start KV Read+expiry load at 10k ops/s(5k Reads, 5k Expiry). Start the n1ql query load in parallel.
      5. Scale up cluster to 4-KV, 4-GSI, 2-N1QL
      6. Scale up cluster to 5-KV, 5-GSI, 2-N1QL
      7. Scale down cluster to 4-KV, 4-GSI, 2-N1QL - Rebalance failed

      QE Test

      sudo guides/gradlew --refresh-dependencies testrunner -P jython=/opt/jython/bin/jython -P 'args=-i /tmp/couchbase_capella_volume_2_new.ini -p bucket_storage=magma,bucket_eviction_policy=fullEviction,rerun=False -t aGoodDoctor.hostedHospital.Murphy.test_rebalance,num_items=100000000,num_buckets=1,bucket_names=GleamBook,bucket_type=membase,iterations=3,batch_size=1000,sdk_timeout=60,log_level=debug,infra_log_level=debug,rerun=False,skip_cleanup=True,key_size=18,randomize_doc_size=False,randomize_value=True,maxttl=10,pc=20,gsi_nodes=3,cbas_nodes=3,fts_nodes=3,kv_nodes=3,n1ql_nodes=2,kv_disk=1000,n1ql_disk=50,gsi_disk=500,fts_disk=1000,cbas_disk=1000,kv_compute=c5.2xlarge,gsi_compute=c5.2xlarge,n1ql_compute=c5.2xlarge,fts_compute=c5.2xlarge,cbas_compute=c5.2xlarge,mutation_perc=20,key_type=CircularKey,capella_run=true,services=data-query-index,rebl_services=data-index,max_rebl_nodes=27,provider=AWS,region=us-east-1,type=GP3,size=1000,collections=10,ops_rate=100000,skip_teardown_cleanup=true,wait_timeout=14400,index_timeout=28800,runtype=dedicated,skip_init=true,rebl_ops_rate=10000,collections=10,expiry=true,vh_scaling=true,horizontal_scale=1 -m rest'
      

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              shivansh.rustagi Shivansh Rustagi
              ritesh.agarwal Ritesh Agarwal
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                Updated:
                Resolved:

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