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Comment: Update 3.5 to 3.6; Replace CentOS with Alma

Table of Contents
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Appendix A:  Apache Cassandra (Single & Multi-node Cluster) Setup & Testing Instructions for Linux (RHEL/

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Alma 8)

Example successful Cassandra startup log output

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Code Block
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INFO  [main] 2018-01-30 13:14:39,027 YamlConfigurationLoader.java:85 - Configuration location: file:/etc/cassandra/default.conf/cassandra.yaml
INFO  [main] 2018-01-30 13:14:39,162 Config.java:457 - Node configuration:[allocate_tokens_for_keyspace=null; authenticator=PasswordAuthenticator; authorizer =CassandraAuthorizer; auto_bootstrap=true; auto_snapshot=true; batch_size_fail_threshold_in_kb=50; batch_size_warn_threshold_in_kb=5; batchlog_replay_throttl e_in_kb=1024; broadcast_address=null; broadcast_rpc_address=null; buffer_pool_use_heap_if_exhausted=true; cas_contention_timeout_in_ms=1000; client_encryption_options=<REDACTED>; cluster_name=Test Cluster; column_index_size_in_kb=64; commit_failure_policy=stop; commitlog_compression=null; commitlog_directory=/var /lib/cassandra/commitlog; commitlog_max_compression_buffers_in_pool=3; commitlog_periodic_queue_size=-1; commitlog_segment_size_in_mb=32; commitlog_sync=peri odic; commitlog_sync_batch_window_in_ms=null; commitlog_sync_period_in_ms=10000; commitlog_total_space_in_mb=null; compaction_large_partition_warning_thresho ld_mb=100; compactioncAompaction_throughput_mb_per_sec=16; concurrent_compactors=null; concurrent_counter_writes=32; concurrent_materialized_view_writes=32; concurrent_ reads=32; concurrent_replicates=null; concurrent_writes=32; counter_cache_keys_to_save=2147483647; counter_cache_save_period=7200; counter_cache_size_in_mb=n ull; counter_write_request_timeout_in_ms=5000; cross_node_timeout=false; data_file_directories=[Ljava.lang.String;@67e2d983; disk_access_mode=auto; disk_fail ure_policy=stop; disk_optimization_estimate_percentile=0.95; disk_optimization_page_cross_chance=0.1; disk_optimization_strategy=ssd; dynamic_snitch=true; dy namic_snitch_badness_threshold=0.1; dynamic_snitch_reset_interval_in_ms=600000; dynamic_snitch_update_interval_in_ms=100; enable_scripted_user_defined_functi ons=false; enable_user_defined_functions=false; enable_user_defined_functions_threads=true; encryption_options=null; endpoint_snitch=GossipingPropertyFileSni tch; file_cache_size_in_mb=512; gc_log_threshold_in_ms=200; gc_warn_threshold_in_ms=1000; hinted_handoff_disabled_datacenters=[]; hinted_handoff_enabled=true ; hinted_handoff_throttle_in_kb=1024; hints_compression=null; hints_directory=/var/lib/cassandra/hints; hints_flush_period_in_ms=10000; incremental_backups=f alse; index_interval=null; index_summary_capacity_in_mb=null; index_summary_resize_interval_in_minutes=60; initial_token=null; inter_dc_stream_throughput_out bound_megabits_per_sec=200; inter_dc_tcp_nodelay=false; internode_authenticator=null; internode_compression=all; internode_recv_buff_size_in_bytes=null; inte rnode_send_buff_size_in_bytes=null; key_cache_keys_to_save=2147483647; key_cache_save_period=14400; key_cache_size_in_mb=null; listen_address=null; listen_in terface=null; listen_interface_prefer_ipv6=false; listen_on_broadcast_address=false; max_hint_window_in_ms=10800000; max_hints_delivery_threads=2; max_hints_ file_size_in_mb=128; max_mutation_size_in_kb=null; max_streaming_retries=3; max_value_size_in_mb=256; memtable_allocation_type=heap_buffers; memtable_cleanup_threshold=null; memtable_flush_writers=null; memtable_heap_space_in_mb=null; memtable_offheap_space_in_mb=null; min_free_space_per_drive_in_mb=50; native_transport_max_concurrent_connections=-1; native_transport_max_concurrent_connections_per_ip=-1; native_transport_max_frame_size_in_mb=256; native_transport_max_threads=128; native_transport_port=9042; native_transport_port_ssl=null; num_tokens=256; otc_backlog_expiration_interval_ms=200; otc_coalescing_enough_coalesced_messages=8; otc_coalescing_strategy=TIMEHORIZON; otc_coalescing_window_us=200; partitioner=org.apache.cassandra.dht.Murmur3Partitioner; permissions_cache_max_entries=1000; permissions_update_interval_in_ms=-1; permissions_validity_in_ms=2000; phi_convict_threshold=8.0; range_request_timeout_in_ms=10000; read_request_timeout_in_ms=5000; request_scheduler=org.apache.cassandra.scheduler.NoScheduler; request_scheduler_id=null; request_scheduler_options=null; request_timeout_in_ms=10000; role_manager=CassandraRoleManager; roles_cache_max_entries=1000; roles_update_interval_in_ms=-1; roles_validity_in_ms=2000; row_cache_class_name=org.apache.cassandra.cache.OHCProvider; row_cache_keys_to_save=2147483647; row_cache_save_period=0; row_cache_size_in_mb=0; rpc_address=null; rpc_interface=null; rpc_interface_prefer_ipv6=false; rpc_keepalive=true; rpc_listen_backlog=50; rpc_max_threads=2147483647; rpc_min_threads=16; rpc_port=9160; rpc_recv_buff_size_in_bytes=null; rpc_send_buff_size_in_bytes=null; rpc_server_type=sync; saved_caches_directory=/var/lib/cassandra/saved_caches; seed_provider=org.apache.cassandra.locator.SimpleSeedProvider{seeds=127.0.0.1}; server_encryption_options=<REDACTED>; snapshot_before_compaction=false; ssl_storage_port=7001; sstable_preemptive_open_interval_in_mb=50; start_native_transport=true; start_rpc=true; storage_port=7000; stream_throughput_outbound_megabits_per_sec=200; streaming_socket_timeout_in_ms=86400000; thrift_framed_transport_size_in_mb=15; thrift_max_message_length_in_mb=16; tombstone_failure_threshold=100000; tombstone_warn_threshold=1000; tracetype_query_ttl=86400; tracetype_repair_ttl=604800; trickle_fsync=false; trickle_fsync_interval_in_kb=10240; truncate_request_timeout_in_ms=60000; unlogged_batch_across_partitions_warn_threshold=10; user_defined_function_fail_timeout=1500; user_defined_function_warn_timeout=500; user_function_timeout_policy=die; windows_timer_interval=1; write_request_timeout_in_ms=2000]
INFO  [main] 2018-01-30 13:14:39,163 DatabaseDescriptor.java:325 - DiskAccessMode 'auto' determined to be mmap, indexAccessMode is mmap
INFO  [main] 2018-01-30 13:14:39,342 DatabaseDescriptor.java:432 - Global memtable on-heap threshold is enabled at 488MB
INFO  [main] 2018-01-30 13:14:39,342 DatabaseDescriptor.java:436 - Global memtable off-heap threshold is enabled at 488MB
INFO  [main] 2018-01-30 13:14:39,354 GossipingPropertyFileSnitch.java:68 - Unable to load cassandra-topology.properties; compatibility mode disabled
INFO  [main] 2018-01-30 13:14:39,526 CassandraDaemon.java:434 - Hostname: cassandra.mycompany.com
INFO  [main] 2018-01-30 13:14:39,527 CassandraDaemon.java:441 - JVM vendor/version: OpenJDK 64-Bit Server VM/1.8.0_151
INFO  [main] 2018-01-30 13:14:39,528 CassandraDaemon.java:442 - Heap size: 2046820352/2046820352
INFO  [main] 2018-01-30 13:14:39,528 CassandraDaemon.java:445 - Code Cache Non-heap memory: init = 2555904(2496K) used = 3641024(3555K) committed = 3670016(3
584K) max = 251658240(245760K)
INFO  [main] 2018-01-30 13:14:39,529 CassandraDaemon.java:445 - Metaspace Non-heap memory: init = 0(0K) used = 16864280(16469K) committed = 17563648(17152K) 
max = -1(-1K)
INFO  [main] 2018-01-30 13:14:39,530 CassandraDaemon.java:445 - Compressed Class Space Non-heap memory: init = 0(0K) used = 1950072(1904K) committed = 209715
2(2048K) max = 1073741824(1048576K)
INFO  [main] 2018-01-30 13:14:39,530 CassandraDaemon.java:445 - Par Eden Space Heap memory: init = 335544320(327680K) used = 114165512(111489K) committed = 335544320(327680K) max = 335544320(327680K)
INFO  [main] 2018-01-30 13:14:39,531 CassandraDaemon.java:445 - Par Survivor Space Heap memory: init = 41943040(40960K) used = 0(0K) committed = 41943040(40960K) max = 41943040(40960K)
INFO  [main] 2018-01-30 13:14:39,531 CassandraDaemon.java:445 - CMS Old Gen Heap memory: init = 1669332992(1630208K) used = 0(0K) committed = 1669332992(1630208K) max = 1669332992(1630208K)
INFO  [main] 2018-01-30 13:14:39,532 CassandraDaemon.java:447 - Classpath: /etc/cassandra/conf:/usr/share/cassandra/lib/airline-0.6.jar:/usr/share/cassandra/lib/antlr-runtime-3.5.2.jar:/usr/share/cassandra/lib/asm-5.0.4.jar:/usr/share/cassandra/lib/cassandra-driver-core-3.0.1-shaded.jar:/usr/share/cassandra/lib/commons-cli-1.1.jar:/usr/share/cassandra/lib/commons-codec-1.2.jar:/usr/share/cassandra/lib/commons-lang3-3.1.jar:/usr/share/cassandra/lib/commons-math3-3.2.jar:/usr/share/cassandra/lib/compress-lzf-0.8.4.jar:/usr/share/cassandra/lib/concurrentlinkedhashmap-lru-1.4.jar:/usr/share/cassandra/lib/disruptor-3.0.1.jar:/usr/share/cassandra/lib/ecj-4.4.2.jar:/usr/share/cassandra/lib/guava-18.0.jar:/usr/share/cassandra/lib/high-scale-lib-1.0.6.jar:/usr/share/cassandra/lib/jackson-core-asl-1.9.2.jar:/usr/share/cassandra/lib/jackson-mapper-asl-1.9.2.jar:/usr/share/cassandra/lib/jamm-0.3.0.jar:/usr/share/cassandra/lib/javax.inject.jar:/usr/share/cassandra/lib/jbcrypt-0.3m.jar:/usr/share/cassandra/lib/jcl-over-slf4j-1.7.7.jar:/usr/share/cassandra/lib/jna-4.2.2.jar:/usr/share/cassandra/lib/joda-time-2.4.jar:/usr/share/cassandra/lib/json-simple-1.1.jar:/usr/share/cassandra/lib/jstackjunit-0.0.1.jar:/usr/share/cassandra/lib/libthrift-0.9.2.jar:/usr/share/cassandra/lib/log4j-over-slf4j-1.7.7.jar:/usr/share/cassandra/lib/logback-classic-1.1.3.jar:/usr/share/cassandra/lib/logback-core-1.1.3.jar:/usr/share/cassandra/lib/lz4-1.3.0.jar:/usr/share/cassandra/lib/metrics-core-3.1.0.jar:/usr/share/cassandra/lib/metrics-jvm-3.1.0.jar:/usr/share/cassandra/lib/metrics-logback-3.1.0.jar:/usr/share/cassandra/lib/netty-all-4.0.44.Final.jar:/usr/share/cassandra/lib/ohc-core-0.4.3.jar:/usr/share/cassandra/lib/ohc-core-j8-0.4.3.jar:/usr/share/cassandra/lib/reporter-config3-3.0.0.jar:/usr/share/cassandra/lib/reporter-config-base-3.0.0.jar:/usr/share/cassandra/lib/sigar-1.6.4.jar:/usr/share/cassandra/lib/slf4j-api-1.7.7.jar:/usr/share/cassandra/lib/snakeyaml-1.11.jar:/usr/share/cassandra/lib/snappy-java-1.1.1.7.jar:/usr/share/cassandra/lib/ST4-4.0.8.jar:/usr/share/cassandra/lib/stream-2.5.2.jar:/usr/share/cassandra/lib/thrift-server-0.3.7.jar:/usr/share/cassandra/apache-cassandra-3.0.15.jar:/usr/share/cassandra/apache-cassandra-thrift-3.0.15.jar:/usr/share/cassandra/stress.jar::/usr/share/cassandra/lib/jamm-0.3.0.jar
INFO  [main] 2018-01-30 13:14:39,533 CassandraDaemon.java:449 - JVM Arguments: [-Xloggc:/var/log/cassandra/gc.log, -XX:+UseParNewGC, -XX:+UseConcMarkSweepGC, -XX:+CMSParallelRemarkEnabled, -XX:SurvivorRatio=8, -XX:MaxTenuringThreshold=1, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:CMSWaitDuration=10000, -XX:+CMSParallelInitialMarkEnabled, -XX:+CMSEdenChunksRecordAlways, -XX:+CMSClassUnloadingEnabled, -XX:+PrintGCDetails, -XX:+PrintGCDateStamps, -XX:+PrintHeapAtGC, -XX:+PrintTenuringDistribution, -XX:+PrintGCApplicationStoppedTime, -XX:+PrintPromotionFailure, -XX:+UseGCLogFileRotation, -XX:NumberOfGCLogFiles=10, -XX:GCLogFileSize=10M, -Xms1992M, -Xmx1992M, -Xmn400M, -ea, -Xss256k, -XX:+AlwaysPreTouch, -XX:-UseBiasedLocking, -XX:StringTableSize=1000003, -XX:+UseTLAB, -XX:+ResizeTLAB, -XX:+PerfDisableSharedMem, -XX:CompileCommandFile=/etc/cassandra/conf/hotspot_compiler, -javaagent:/usr/share/cassandra/lib/jamm-0.3.0.jar, -XX:+UseThreadPriorities, -XX:ThreadPriorityPolicy=42, -XX:+HeapDumpOnOutOfMemoryError, -Djava.net.preferIPv4Stack=true, -Dcassandra.jmx.local.port=7199, -XX:+DisableExplicitGC, -Djava.library.path=/usr/share/cassandra/lib/sigar-bin, -Dlogback.configurationFile=logback.xml, -Dcassandra.logdir=/var/log/cassandra, -Dcassandra.storagedir=, -Dcassandra-pidfile=/var/run/cassandra/cassandra.pid]
INFO  [main] 2018-01-30 13:14:39,807 NativeLibrary.java:167 - JNA mlockall successful
WARN  [main] 2018-01-30 13:14:39,808 StartupChecks.java:129 - jemalloc shared library could not be preloaded to speed up memory allocations
WARN  [main] 2018-01-30 13:14:39,808 StartupChecks.java:161 - JMX is not enabled to receive remote connections. Please see cassandra-env.sh for more info.
WARN  [main] 2018-01-30 13:14:39,809 StartupChecks.java:186 - OpenJDK is not recommended. Please upgrade to the newest Oracle Java release
INFO  [main] 2018-01-30 13:14:39,811 SigarLibrary.java:44 - Initializing SIGAR library
INFO  [main] 2018-01-30 13:14:39,825 SigarLibrary.java:180 - Checked OS settings and found them configured for optimal performance.
WARN  [main] 2018-01-30 13:14:39,830 StartupChecks.java:254 - Maximum number of memory map areas per process (vm.max_map_count) 262144 is too low, recommended value: 1048575, you can change it with sysctl.
INFO  [main] 2018-01-30 13:14:40,787 ColumnFamilyStore.java:391 - Initializing system.IndexInfo
INFO  [main] 2018-01-30 13:14:41,817 ColumnFamilyStore.java:391 - Initializing system.batches
INFO  [main] 2018-01-30 13:14:41,829 ColumnFamilyStore.java:391 - Initializing system.paxos
INFO  [main] 2018-01-30 13:14:41,845 ColumnFamilyStore.java:391 - Initializing system.local
INFO  [SSTableBatchOpen:1] 2018-01-30 13:14:41,882 BufferPool.java:226 - Global buffer pool is enabled, when pool is exahusted (max is 512 mb) it will allocate on heap
INFO  [main] 2018-01-30 13:14:41,931 CacheService.java:115 - Initializing key cache with capacity of 97 MBs.
INFO  [main] 2018-01-30 13:14:41,941 CacheService.java:137 - Initializing row cache with capacity of 0 MBs
INFO  [main] 2018-01-30 13:14:41,944 CacheService.java:166 - Initializing counter cache with capacity of 48 MBs
INFO  [main] 2018-01-30 13:14:41,947 CacheService.java:177 - Scheduling counter cache save to every 7200 seconds (going to save all keys).
INFO  [main] 2018-01-30 13:14:41,965 ColumnFamilyStore.java:391 - Initializing system.peers
INFO  [main] 2018-01-30 13:14:41,986 ColumnFamilyStore.java:391 - Initializing system.peer_events
INFO  [main] 2018-01-30 13:14:41,993 ColumnFamilyStore.java:391 - Initializing system.range_xfers
INFO  [main] 2018-01-30 13:14:42,003 ColumnFamilyStore.java:391 - Initializing system.compaction_history
INFO  [main] 2018-01-30 13:14:42,025 ColumnFamilyStore.java:391 - Initializing system.sstable_activity
INFO  [main] 2018-01-30 13:14:42,043 ColumnFamilyStore.java:391 - Initializing system.size_estimates
INFO  [main] 2018-01-30 13:14:42,058 ColumnFamilyStore.java:391 - Initializing system.available_ranges
INFO  [main] 2018-01-30 13:14:42,069 ColumnFamilyStore.java:391 - Initializing system.views_builds_in_progress
INFO  [main] 2018-01-30 13:14:42,080 ColumnFamilyStore.java:391 - Initializing system.built_views
INFO  [main] 2018-01-30 13:14:42,101 ColumnFamilyStore.java:391 - Initializing system.hints
INFO  [main] 2018-01-30 13:14:42,108 ColumnFamilyStore.java:391 - Initializing system.batchlog
INFO  [main] 2018-01-30 13:14:42,114 ColumnFamilyStore.java:391 - Initializing system.schema_keyspaces
INFO  [main] 2018-01-30 13:14:42,121 ColumnFamilyStore.java:391 - Initializing system.schema_columnfamilies
INFO  [main] 2018-01-30 13:14:42,127 ColumnFamilyStore.java:391 - Initializing system.schema_columns
INFO  [main] 2018-01-30 13:14:42,134 ColumnFamilyStore.java:391 - Initializing system.schema_triggers
INFO  [main] 2018-01-30 13:14:42,140 ColumnFamilyStore.java:391 - Initializing system.schema_usertypes
INFO  [main] 2018-01-30 13:14:42,147 ColumnFamilyStore.java:391 - Initializing system.schema_functions
INFO  [main] 2018-01-30 13:14:42,153 ColumnFamilyStore.java:391 - Initializing system.schema_aggregates
INFO  [main] 2018-01-30 13:14:42,464 ColumnFamilyStore.java:391 - Initializing system_schema.keyspaces
INFO  [main] 2018-01-30 13:14:42,479 ColumnFamilyStore.java:391 - Initializing system_schema.tables
INFO  [main] 2018-01-30 13:14:42,491 ColumnFamilyStore.java:391 - Initializing system_schema.columns
INFO  [main] 2018-01-30 13:14:42,511 ColumnFamilyStore.java:391 - Initializing system_schema.triggers
INFO  [main] 2018-01-30 13:14:42,518 ColumnFamilyStore.java:391 - Initializing system_schema.dropped_columns
INFO  [main] 2018-01-30 13:14:42,525 ColumnFamilyStore.java:391 - Initializing system_schema.views
INFO  [main] 2018-01-30 13:14:42,532 ColumnFamilyStore.java:391 - Initializing system_schema.types
INFO  [main] 2018-01-30 13:14:42,539 ColumnFamilyStore.java:391 - Initializing system_schema.functions
INFO  [main] 2018-01-30 13:14:42,547 ColumnFamilyStore.java:391 - Initializing system_schema.aggregates
INFO  [main] 2018-01-30 13:14:42,554 ColumnFamilyStore.java:391 - Initializing system_schema.indexes
INFO  [main] 2018-01-30 13:14:42,859 StorageService.java:557 - Populating token metadata from system tables
INFO  [main] 2018-01-30 13:14:42,928 StorageService.java:564 - Token metadata: Normal Tokens:
cassandra.mycompany.com/127.0.0.1:[-9127233696990875718, -9087738344019192759, -9000799545093992742, -8913320515565877973, -8865697932437688996, -8859771719362370802, 
[...] 
8456564536631080178, 8460160695614040599, 8604911031119732505, 8816757312948167691, 8864804425022295457, 8883437542398835837, 9058152561071736053, 9082297484402456608]
INFO  [main] 2018-01-30 13:14:43,618 ColumnFamilyStore.java:391 - Initializing system_distributed.parent_repair_history
INFO  [main] 2018-01-30 13:14:43,678 ColumnFamilyStore.java:391 - Initializing system_distributed.repair_history
INFO  [main] 2018-01-30 13:14:43,698 ColumnFamilyStore.java:391 - Initializing system_distributed.view_build_status
INFO  [main] 2018-01-30 13:14:43,706 ColumnFamilyStore.java:391 - Initializing cycling.calendar
INFO  [main] 2018-01-30 13:14:43,716 ColumnFamilyStore.java:391 - Initializing cycling.cyclist_alt_stats
INFO  [main] 2018-01-30 13:14:43,721 ColumnFamilyStore.java:391 - Initializing cycling.cyclist_name
INFO  [main] 2018-01-30 13:14:43,732 ColumnFamilyStore.java:391 - Initializing cycling.route
INFO  [main] 2018-01-30 13:14:43,737 ColumnFamilyStore.java:391 - Initializing cycling.whimsey
INFO  [main] 2018-01-30 13:14:44,398 ColumnFamilyStore.java:391 - Initializing system_auth.resource_role_permissons_index
INFO  [main] 2018-01-30 13:14:44,410 ColumnFamilyStore.java:391 - Initializing system_auth.role_members
INFO  [main] 2018-01-30 13:14:44,415 ColumnFamilyStore.java:391 - Initializing system_auth.role_permissions
INFO  [main] 2018-01-30 13:14:44,427 ColumnFamilyStore.java:391 - Initializing system_auth.roles
INFO  [main] 2018-01-30 13:14:44,434 ColumnFamilyStore.java:391 - Initializing system_traces.events
INFO  [main] 2018-01-30 13:14:44,436 ColumnFamilyStore.java:391 - Initializing system_traces.sessions
INFO  [pool-3-thread-1] 2018-01-30 13:14:44,439 AutoSavingCache.java:189 - reading saved cache /var/lib/cassandra/saved_caches/KeyCache-d.db
INFO  [pool-3-thread-1] 2018-01-30 13:14:44,458 AutoSavingCache.java:165 - Completed loading (20 ms; 375 keys) KeyCache cache
INFO  [main] 2018-01-30 13:14:44,470 CommitLog.java:161 - Replaying /var/lib/cassandra/commitlog/CommitLog-6-1517334004077.log, /var/lib/cassandra/commitlog/CommitLog-6-1517334004078.log
INFO  [main] 2018-01-30 13:14:44,492 CommitLog.java:163 - Log replay complete, 0 replayed mutations
INFO  [main] 2018-01-30 13:14:44,493 StorageService.java:557 - Populating token metadata from system tables
INFO  [main] 2018-01-30 13:14:44,518 StorageService.java:564 - Token metadata: Normal Tokens:
cassandra.mycompany.com/127.0.0.1:[-9127233696990875718, -9087738344019192759, -9000799545093992742, -8913320515565877973, -8865697932437688996, -8859771719362370802, 
[...]
8456564536631080178, 8460160695614040599, 8604911031119732505, 8816757312948167691, 8864804425022295457, 8883437542398835837, 9058152561071736053, 9082297484402456608]
INFO  [main] 2018-01-30 13:14:44,599 StorageService.java:575 - Cassandra version: 3.0.15
INFO  [main] 2018-01-30 13:14:44,612 StorageService.java:576 - Thrift API version: 20.1.0
INFO  [main] 2018-01-30 13:14:44,612 StorageService.java:577 - CQL supported versions: 3.4.0 (default: 3.4.0)
INFO  [main] 2018-01-30 13:14:44,713 IndexSummaryManager.java:85 - Initializing index summary manager with a memory pool size of 97 MB and a resize interval of 60 minutes
INFO  [main] 2018-01-30 13:14:44,726 StorageService.java:596 - Loading persisted ring state
INFO  [main] 2018-01-30 13:14:44,745 StorageService.java:745 - Starting up server gossip
INFO  [main] 2018-01-30 13:14:44,815 TokenMetadata.java:479 - Updating topology for cassandra.mycompany.com/127.0.0.1
INFO  [main] 2018-01-30 13:14:44,815 TokenMetadata.java:479 - Updating topology for cassandra.mycompany.com/127.0.0.1
INFO  [main] 2018-01-30 13:14:44,853 MessagingService.java:587 - Starting Messaging Service on cassandra.mycompany.com/127.0.0.1:7000 (eth0)
INFO  [main] 2018-01-30 13:14:44,875 StorageService.java:920 - Using saved tokens [-1070547857932591802, -1160331912647069113, -1249655781347423069, -1296122843550004310, 
[...]
8864804425022295457, 8883437542398835837, 9058152561071736053, 9082297484402456608]
INFO  [main] 2018-01-30 13:14:45,298 StorageService.java:2007 - Node cassandra.mycompany.com/127.0.0.1 state jump to NORMAL
INFO  [main] 2018-01-30 13:14:45,304 CassandraDaemon.java:656 - Waiting for gossip to settle before accepting client requests...
INFO  [main] 2018-01-30 13:14:53,306 CassandraDaemon.java:687 - No gossip backlog; proceeding
INFO  [main] 2018-01-30 13:14:53,417 NativeTransportService.java:70 - Netty using native Epoll event loop
INFO  [main] 2018-01-30 13:14:53,479 Server.java:159 - Using Netty Version: [netty-buffer=netty-buffer-4.0.44.Final.452812a, netty-codec=netty-codec-4.0.44.Final.452812a, netty-codec-haproxy=netty-codec-haproxy-4.0.44.Final.452812a, netty-codec-http=netty-codec-http-4.0.44.Final.452812a, netty-codec-socks=netty-codec-socks-4.0.44.Final.452812a, netty-common=netty-common-4.0.44.Final.452812a, netty-handler=netty-handler-4.0.44.Final.452812a, netty-tcnative=netty-tcnative-1.1.33.Fork26.142ecbb, netty-transport=netty-transport-4.0.44.Final.452812a, netty-transport-native-epoll=netty-transport-native-epoll-4.0.44.Final.452812a, netty-transport-rxtx=netty-transport-rxtx-4.0.44.Final.452812a, netty-transport-sctp=netty-transport-sctp-4.0.44.Final.452812a, netty-transport-udt=netty-transport-udt-4.0.44.Final.452812a]
INFO  [main] 2018-01-30 13:14:53,480 Server.java:160 - Starting listening for CQL clients on cassandra.mycompany.com/127.0.0.1:9042 (unencrypted)...
INFO  [main] 2018-01-30 13:14:53,565 ThriftServer.java:119 - Binding thrift service to cassandra.mycompany.com/127.0.0.1:9160
INFO  [Thread-2] 2018-01-30 13:14:53,573 ThriftServer.java:136 - Listening for thrift clients...

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6.1.1  Ensure you have set an environment var for the snapshot version, ex:  SC_snapshot_version=3.5 6 ; export SC_snapshot_version

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