System keyspaces and tables

available_ranges

keyspace_name, ranges

batches

id, mutations, version

built_views

keyspace_name, view_name

Information on materialized views.

compaction_history

id, bytes_in, bytes_out, columnfamily_name, compacted_at, keyspace_name, rows_merged

Information on compaction history.

"IndexInfo"

table_name, index_name

Information on indexes.

local

key, bootstrapped, broadcast_address, cluster_name, cql_version, data_center, dse_version, gossip_generation, graph, host_id, jmx_port, listen_address, native_protocol_version, native_transport_address, native_transport_port, native_transport_port_ssl, partitioner, rack, release_version, rpc_address, schema_version, server_id, storage_port, storage_port_ssl, tokens, truncated_at, workload, workloads

Information that a node has about itself and a superset of gossip. Gossip is a peer-to-peer communication protocol for exchanging location and state information between nodes.

paxos

row_key, cf_id, in_progress_ballot, most_recent_commit, most_recent_commit_at, most_recent_commit_version, proposal, proposal_ballot, proposal_version

Information on lightweight Paxos transactions.

peers

peer, data_center, dse_version, graph, host_id, jmx_port, native_transport_address, native_transport_port, native_transport_port_ssl, preferred_ip, rack, release_version, rpc_address, schema_version, server_id, storage_port, storage_port_ssl, tokens, workload, workloads

Each node records what other nodes tell it about themselves over the gossip.

peer_events

peer, hints_dropped

prepared_statements

prepared_id, logged_keyspace, query_string

Prepared statements used by drivers for queries.

range_xfers

token_bytes, requested_at

size_estimates

keyspace_name, table_name, range_start, range_end, mean_partition_size, partitions_count

Information on partitions.

sstable_activity

keyspace_name, columnfamily_name, generation, rate_120m, rate_15m

aggregates

keyspace_name, aggregate_name, argument_types, final_func, initcond, return_type, state_func, state_type

Information about user-defined aggregates.

columns

keyspace_name, table_name, column_name, clustering_order, column_name_bytes, kind, position, type

Information about table columns.

dropped_columns

keyspace_name, table_name, column_name, dropped_time, type

Information about dropped columns.

functions

keyspace_name, function_name, argument_types, argument_names, body, called_on_null_input, language, return_type

Information on user-defined functions.

indexes

keyspace_name, table_name, index_name, kind, options

Information about indexes.

keyspaces

keyspace_name, durable_writes, replication

Information on keyspace durable writes and replication.

tables

keyspace_name, table_name, bloom_filter_fp_chance, caching, comment, compaction, compression, crc_check_chance, default_time_to_live, extensions, flags, gc_grace_seconds, id, max_index_interval, memtable_flush_period_in_ms, min_index_interval, speculative_retry

Information on columns and column indexes. Used internally for compound primary keys.

types

keyspace_name, type_name, field_names, field_types

Information about user-defined types.

views

keyspace_name, view_name, base_table_id, base_table_name, bloom_filter_fp_chance, caching, comment, compaction, compression, crc_check_chance, default_time_to_live, extensions, flags, gc_grace_seconds, include_all_columns, max_index_interval, memtable_flush_period_in_ms, min_index_interval, speculative_retry, where_clause

Information about materialized views.

repair_history

keyspace_name, columnfamily_name, id, coordinator, exception_message, exception_stacktrace, finished_at, parent_id, participants, range_begin, range_end, started_at, status

Contains detailed information on keyspace nodetool repair history.

nodesync_status

keyspace_name, table_name, range_group, start_token, end_token, last_successful_validation, last_unsuccessful_validation, locked_by

Contains NodeSync status for segments on the local system. See NodeSync Validation process and status.

nodesync_user_validations

id, node, keyspace_name, table_name, ended_at, metrics, outcomes, segments_to_validate, segments_validated, started_at, status, validated_ranges

Contains details of NodeSyncs operations that were manually started.

parent_repair_history

parent_id, columnfamily_names, exception_message, exception_stacktrace, finished_at, keyspace_name, options, requested_ranges, started_at, successful_ranges

view_build_status

keyspace_name, view_name, host_id, status

role_permissions

role (PK), resource, permissions

Stores the role, resource (for example keyspace_name/table_name), and the permission that the role has to access the resource.

role_members

role (PK), member

Stores the roles and role members.

roles

role (PK), can_login, is_superuser, member_of, salted_hash

Stores the role name, whether the role can be used for login, whether the role is a superuser, what other roles the role may be a member of, and a bcrypt salted hash password for the role.

role_options

role, options

Role options.

digest_tokens

id, password

Kerberos digest tokens when enabled.

spark_security

dc, shared_secret

Shared secret for Spark.