[Magma-CDC] History start seq number gets toggled/history gets wiped off after the recovery

 /opt/couchbase/bin/cbstats localhost:11210 -u Administrator -p password -b default vbucket-details 1 | grep -e history -e high_seqno

 vb_1:high_seqno:                          1151892

 vb_1:history_start_seqno:                 919518

[root@localhost seqIndex]# cat state.798

{"historyStartKey":[0,0,0,0,0,13,230,161,0,0,0,0,0,24,147,150,0],"levels":[{"tables":[]},{"tables":[]},{"tables":[{"attr":"479232","tabid":5329},{"attr":"188416","tabid":5330}]},{"tables":[]},{"tables":[{"attr":"4087808","tabid":5152},{"attr":"2174976","tabid":4566},{"attr":"2195456","tabid":4593},{"attr":"2150400","tabid":4616},{"attr":"2215936","tabid":4637},{"attr":"2359296","tabid":4660},{"attr":"2666496","tabid":4685},{"attr":"3080192","tabid":4710},{"attr":"3063808","tabid":4739},{"attr":"3313664","tabid":4757},{"attr":"3678208","tabid":4775},{"attr":"4014080","tabid":4807},{"attr":"6971392","tabid":4822},{"attr":"6434816","tabid":4828},{"attr":"5730304","tabid":4832},{"attr":"6250496","tabid":4850},{"attr":"6623232","tabid":4885},{"attr":"7405568","tabid":4933},{"attr":"7675904","tabid":4975},{"attr":"8380416","tabid":5015},{"attr":"9105408","tabid":5066},{"attr":"10539008","tabid":5089},{"attr":"11096064","tabid":5117},{"attr":"12210176","tabid":5142},{"attr":"14127104","tabid":5240},{"attr":"9420800","tabid":5310}]}],"maxSn":2083720,"meta":"{\"highSeqno\":1144171,\"historyEnabledSeqno\":1}","parent":0,"tableBytesAdded":22113996800,"tableBytesRemoved":20501745664,"type":1,"userStats":"","version":0,"walOffset":6049792,"walSegID":248}���/MUSKCEGC[root@localhost seqIndex]#

git fetch https://review.couchbase.org/TAF refs/changes/62/186462/3 && git checkout -b change-186462 FETCH_HEAD

guides/gradlew --refresh-dependencies testrunner -P jython=/opt/jython/bin/jython -P 'args=-i /tmp/temp_vol_3.ini -p bucket_storage=magma,bucket_ram_quota=256,init_loading=False,bucket_eviction_policy=fullEviction,rerun=False -t storage.magma.magma_crash_recovery.MagmaCrashTests.test_magma_failures_with_CDC,nodes_init=3,skip_cleanup=True,num_items=100000,doc_size=1024,batch_size=1000,sdk_timeout=60,log_level=info,infra_log_level=info,key_size=22,num_collections=50,ops_rate=20000,key_type=SimpleKey,vbuckets=16,replicas=2,doc_ops=expiry,test_itr=50,bucket_history_retention_seconds=0,bucket_history_retention_bytes=96636764160,standard_buckets=1,magma_buckets=1,num_scopes=1,induce_failures=True -m rest'