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Scylla Metric Update - Scylla 4.4 to 4.5

Scylla 4.5 Dashboards are available as part of the latest Scylla Monitoring Stack.

The following metrics are new in Scylla 4.5

  • scylla_io_queue_total_delay_sec

  • scylla_cache_dummy_row_hits - see Dummy Rows

New Reaft related metrics

  • scylla_raft_add_entries

  • scylla_raft_applied_entries

  • scylla_raft_in_memory_log_size

  • scylla_raft_messages_received

  • scylla_raft_messages_sent

  • scylla_raft_persisted_log_entries

  • scylla_raft_polls

  • scylla_raft_queue_entries_for_apply

  • scylla_raft_sm_load_snapshot

  • scylla_raft_snapshots_taken

  • scylla_raft_store_snapshot

  • scylla_raft_store_term_and_vote

  • scylla_raft_truncate_persisted_log

  • scylla_raft_waiter_awaiken

  • scylla_raft_waiter_dropped

The following metrics are removed in Scylla 4.5

  • scylla_database_querier_cache_memory_based_evictions

  • scylla_sstables_sstable_partition_reads