print-vars
Print the current vars (gflags) from a live cluster or from a snapshot.
--print-vars <snapshot number>: print variables/gflags from every server (endpoint) in a stored snapshot.--print-vars: print variables/gflags from every server (endpoint) in the cluster.
Additional switches:
--details-enable: print variables with 'Default' type too.--hostname-match: filter by hostname or port regular expression.--stat-name-filter: filter by variable name regular expression.
Example:
% yb_stats --print-vars --hostname-match 192.168.66.82:9000
192.168.66.82:9000 log_filename yb-tserver NodeInfo
192.168.66.82:9000 placement_cloud local NodeInfo
192.168.66.82:9000 placement_region local NodeInfo
192.168.66.82:9000 placement_zone local3 NodeInfo
192.168.66.82:9000 rpc_bind_addresses 0.0.0.0 NodeInfo
192.168.66.82:9000 webserver_interface NodeInfo
192.168.66.82:9000 webserver_port 9000 NodeInfo
192.168.66.82:9000 client_read_write_timeout_ms 600000 Custom
192.168.66.82:9000 cql_proxy_bind_address 0.0.0.0:9042 Custom
192.168.66.82:9000 db_block_cache_size_percentage 10 Custom
192.168.66.82:9000 default_memory_limit_to_ram_ratio 0.59999999999999998 Custom
192.168.66.82:9000 flagfile /opt/yugabyte/conf/tserver.conf Custom
192.168.66.82:9000 fs_data_dirs /mnt/d0 Custom
192.168.66.82:9000 global_log_cache_size_limit_mb 32 Custom
192.168.66.82:9000 leader_lease_duration_ms 4000 Custom
192.168.66.82:9000 log_cache_size_limit_mb 16 Custom
192.168.66.82:9000 mem_tracker_tcmalloc_gc_release_bytes 5062950 Custom
192.168.66.82:9000 pg_yb_session_timeout_ms 600000 Custom
192.168.66.82:9000 pgsql_proxy_bind_address 0.0.0.0:5433 Custom
192.168.66.82:9000 raft_heartbeat_interval_ms 1000 Custom
192.168.66.82:9000 redis_proxy_bind_address 0.0.0.0:6379 Custom
192.168.66.82:9000 server_tcmalloc_max_total_thread_cache_bytes 33554432 Custom
192.168.66.82:9000 start_pgsql_proxy true Custom
192.168.66.82:9000 tserver_master_addrs yb-1.local:7100,yb-2.local:7100,yb-3.local:7100 Custom
192.168.66.82:9000 yb_num_shards_per_tserver 2 Custom
192.168.66.82:9000 ysql_num_shards_per_tserver 1 Custom
192.168.66.82:9000 regular_tablets_data_block_key_value_encoding three_shared_parts Auto
192.168.66.82:9000 TEST_auto_flags_initialized true Auto
This is using the new /api/v1/varz endpoint. For older versions, use --print-gflags.
The new variables/gflags page shows a classification or 'type' per variable/gflag.
- Default
- NodeInfo
- Custom
- Auto
Variables of the type Auto are not changed, and therefore are not shown by default.