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  1. Couchbase Server
  2. MB-50429

Crash observed in CheckpointManager::getItemsForCursor at kv_engine/engines/ep/src/checkpoint_manager.cc:984

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Details

    • Untriaged
    • 1
    • Unknown
    • KV 2022-Feb

    Description

      Steps:
      1. Create a 4 node cluster
      2. Create magma bucket with 512MB RAM/Node and load the bucket with 40M items to hit 5% DGM.
      3. Start doc_ops=create:delete load.
      4. Keep killing memached on all the nodes 5 times with a 3s interval without waiting for memcahced to come up.
      5. Crash observed on 172.23.106.239

      QE Test

      guides/gradlew --refresh-dependencies testrunner -P jython=/opt/jython/bin/jython -P 'args=-i /tmp/testexec.29449.ini bucket_storage=magma,rerun=false,GROUP=P0;recovery_512MB,randomize_value=true,bucket_eviction_policy=fullEviction,replicas=1,nodes_init=4,enable_dp=false,collect_pcaps=True,key_size=12,ops_rate=10000,num_collections=2,sdk_client_pool=False,init_loading=False,get-cbcollect-info=True,autoCompactionDefined=true,upgrade_version=7.1.0-2071 -t storage.magma.magma_crash_recovery.MagmaCrashTests.test_crash_during_recovery_new,bucket_ram_quota=512,multiplier=1,batch_size=500,num_items=40000000,doc_size=512,doc_ops=create:delete,create_perc=50,delete_perc=50,GROUP=P0;recovery_512MB'
      

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            ritesh.agarwal Ritesh Agarwal
            ritesh.agarwal Ritesh Agarwal
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              Updated:
              Resolved:

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