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setlogginglevel sets the level log threshold for a given component or class during runtime. If this command is called with no parameters, the log level is reset to the initial configuration.
Note
Using trace or debug logging levels will create very large log files where the readers may not find what they are looking for. It is best to use these levels for a very short period of time or with the help of Scylla Support.
nodetool setlogginglevel <class> <level>
Where class is the specific class you want a log for, and level is one of the below levels.
Example
This example sets the logging level of the paging class to trace:
nodetool setlogginglevel paging trace
You can set the log to any of the following log threshold levels presented here in order of severity and verbosity:
trace
debug
info - default setting
warn
error
To display the log classes (output changes with each version so your display may be different).
Note
Please note that this list could be outdated, so you might need to run the following command to see the updated list of logger classes.
$ scylla --help-loggers
BatchStatement
LeveledManifest
alter_keyspace
alter_table
alternator-auth
alternator-conditions
alternator-executor
alternator-serialization
alternator-server
alternator_controller
alternator_ttl
api
auth
auth_service
authorized_prepared_statements_cache
batchlog_manager
bloom_filter
boot_strapper
cache
cdc
certificate_authenticator
collection_type_impl
command_factory
commitlog
commitlog_replayer
compaction
compaction_manager
compound
consistency
controller
cql3_fuctions
cql3_selection
cql_expression
cql_logger
cql_server
cql_server_controller
create_keyspace
create_table
database
debug_error_injection
default_authorizer
describe
direct_failure_detector
dns_resolver
endpoint_state
event_notifier
exception
features
format_selector
forward_service
gossip
group0_client
group0_raft_sm
group0_raft_sm_merger
heat_load_balance
hints_manager
hints_resource_manager
http
httpd
i_partitioner
incremental_reader_selector
init
io
keys
keyspace_utils
large_data
legacy_schema_migrator
lister
load_balancer
load_broadcaster
lsa
lsa-api
lsa-timing
lua
mc_writer
messaging_service
metadata_collector
migration_manager
multishard_mutation_query
mutation
mutation_data
mutation_fragment_stream_validator
mutation_partition
mutation_reader
node_ops
on_internal_error
paging
password_authenticator
paxos
prepared_statements_cache
qos
querier
querier_cache
query
query_processor
query_result
query_result_log
raft
raft_group0
raft_group0_upgrade
raft_group_registry
raft_rpc
raft_service_distributed_level_data_accessor
raft_topology
range_streamer
reader_concurrency_semaphore
redis_server
repair
replication_strategy
restrictions
row_locking
rpc
s3
scheduler
schema_diff
schema_loader
schema_registry
schema_tables
scollectd
scylla-nodetool
scylla-sstable
seastar
seastar_memory
serializer
service_level_controller
session
sstable
sstable_directory
sstables_loader
sstables_manager
standard_role_manager
storage_proxy
storage_service
stream_session
strongly_consistent_modification_statement
strongly_consistent_select_statement
system_distributed_keyspace
system_keyspace
table
table_helper
tablets
tags
task_manager
testlog
thrift
thrift_controller
token_group_based_splitting_mutation_writer
token_metadata
topology
topology_state_machine
trace_keyspace_helper
trace_state
tracing
types
unimplemented
version_generator
view
view_update_generator
virtual_tables
wasm
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