elasticSearch6源码分析(10)SettingsModule
1.SettingsModule概述
/**
* A module that binds the provided settings to the {@link Settings} interface.
*/
2.Setting
2.1 IndexScopedSettings
/**
* Encapsulates all valid index level settings.
* @see Property#IndexScope
*/
内置的设置
public static final Set<Setting<?>> BUILT_IN_INDEX_SETTINGS = Collections.unmodifiableSet(new HashSet<>(Arrays.asList(
MaxRetryAllocationDecider.SETTING_ALLOCATION_MAX_RETRY,
MergeSchedulerConfig.AUTO_THROTTLE_SETTING,
MergeSchedulerConfig.MAX_MERGE_COUNT_SETTING,
MergeSchedulerConfig.MAX_THREAD_COUNT_SETTING,
IndexMetaData.SETTING_INDEX_VERSION_CREATED,
IndexMetaData.INDEX_ROUTING_EXCLUDE_GROUP_SETTING,
IndexMetaData.INDEX_ROUTING_INCLUDE_GROUP_SETTING,
IndexMetaData.INDEX_ROUTING_REQUIRE_GROUP_SETTING,
IndexMetaData.INDEX_AUTO_EXPAND_REPLICAS_SETTING,
IndexMetaData.INDEX_NUMBER_OF_REPLICAS_SETTING,
IndexMetaData.INDEX_NUMBER_OF_SHARDS_SETTING,
IndexMetaData.INDEX_ROUTING_PARTITION_SIZE_SETTING,
IndexMetaData.INDEX_NUMBER_OF_ROUTING_SHARDS_SETTING,
IndexMetaData.INDEX_READ_ONLY_SETTING,
IndexMetaData.INDEX_BLOCKS_READ_SETTING,
IndexMetaData.INDEX_BLOCKS_WRITE_SETTING,
IndexMetaData.INDEX_BLOCKS_METADATA_SETTING,
IndexMetaData.INDEX_BLOCKS_READ_ONLY_ALLOW_DELETE_SETTING,
IndexMetaData.INDEX_PRIORITY_SETTING,
IndexMetaData.INDEX_DATA_PATH_SETTING,
IndexMetaData.INDEX_FORMAT_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_THRESHOLD_FETCH_DEBUG_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_THRESHOLD_FETCH_WARN_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_THRESHOLD_FETCH_INFO_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_THRESHOLD_FETCH_TRACE_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_THRESHOLD_QUERY_WARN_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_THRESHOLD_QUERY_DEBUG_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_THRESHOLD_QUERY_INFO_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_THRESHOLD_QUERY_TRACE_SETTING,
SearchSlowLog.INDEX_SEARCH_SLOWLOG_LEVEL,
IndexingSlowLog.INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_WARN_SETTING,
IndexingSlowLog.INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_DEBUG_SETTING,
IndexingSlowLog.INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_INFO_SETTING,
IndexingSlowLog.INDEX_INDEXING_SLOWLOG_THRESHOLD_INDEX_TRACE_SETTING,
IndexingSlowLog.INDEX_INDEXING_SLOWLOG_LEVEL_SETTING,
IndexingSlowLog.INDEX_INDEXING_SLOWLOG_REFORMAT_SETTING,
IndexingSlowLog.INDEX_INDEXING_SLOWLOG_MAX_SOURCE_CHARS_TO_LOG_SETTING,
MergePolicyConfig.INDEX_COMPOUND_FORMAT_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_DELETES_PCT_ALLOWED_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_EXPUNGE_DELETES_ALLOWED_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_FLOOR_SEGMENT_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGE_AT_ONCE_EXPLICIT_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_MAX_MERGED_SEGMENT_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_SEGMENTS_PER_TIER_SETTING,
MergePolicyConfig.INDEX_MERGE_POLICY_RECLAIM_DELETES_WEIGHT_SETTING,
IndexSortConfig.INDEX_SORT_FIELD_SETTING,
IndexSortConfig.INDEX_SORT_ORDER_SETTING,
IndexSortConfig.INDEX_SORT_MISSING_SETTING,
IndexSortConfig.INDEX_SORT_MODE_SETTING,
IndexSettings.INDEX_TRANSLOG_DURABILITY_SETTING,
IndexSettings.INDEX_WARMER_ENABLED_SETTING,
IndexSettings.INDEX_REFRESH_INTERVAL_SETTING,
IndexSettings.MAX_RESULT_WINDOW_SETTING,
IndexSettings.MAX_INNER_RESULT_WINDOW_SETTING,
IndexSettings.MAX_TOKEN_COUNT_SETTING,
IndexSettings.MAX_DOCVALUE_FIELDS_SEARCH_SETTING,
IndexSettings.MAX_SCRIPT_FIELDS_SETTING,
IndexSettings.MAX_NGRAM_DIFF_SETTING,
IndexSettings.MAX_SHINGLE_DIFF_SETTING,
IndexSettings.MAX_RESCORE_WINDOW_SETTING,
IndexSettings.MAX_ADJACENCY_MATRIX_FILTERS_SETTING,
IndexSettings.MAX_ANALYZED_OFFSET_SETTING,
IndexSettings.MAX_TERMS_COUNT_SETTING,
IndexSettings.INDEX_TRANSLOG_SYNC_INTERVAL_SETTING,
IndexSettings.DEFAULT_FIELD_SETTING,
IndexSettings.QUERY_STRING_LENIENT_SETTING,
IndexSettings.ALLOW_UNMAPPED,
IndexSettings.INDEX_CHECK_ON_STARTUP,
IndexSettings.MAX_REFRESH_LISTENERS_PER_SHARD,
IndexSettings.MAX_SLICES_PER_SCROLL,
IndexSettings.MAX_REGEX_LENGTH_SETTING,
ShardsLimitAllocationDecider.INDEX_TOTAL_SHARDS_PER_NODE_SETTING,
IndexSettings.INDEX_GC_DELETES_SETTING,
IndexSettings.INDEX_SOFT_DELETES_SETTING,
IndexSettings.INDEX_SOFT_DELETES_RETENTION_OPERATIONS_SETTING,
IndicesRequestCache.INDEX_CACHE_REQUEST_ENABLED_SETTING,
UnassignedInfo.INDEX_DELAYED_NODE_LEFT_TIMEOUT_SETTING,
EnableAllocationDecider.INDEX_ROUTING_REBALANCE_ENABLE_SETTING,
EnableAllocationDecider.INDEX_ROUTING_ALLOCATION_ENABLE_SETTING,
IndexSettings.INDEX_TRANSLOG_FLUSH_THRESHOLD_SIZE_SETTING,
IndexSettings.INDEX_TRANSLOG_GENERATION_THRESHOLD_SIZE_SETTING,
IndexSettings.INDEX_TRANSLOG_RETENTION_AGE_SETTING,
IndexSettings.INDEX_TRANSLOG_RETENTION_SIZE_SETTING,
IndexSettings.INDEX_SEARCH_IDLE_AFTER,
IndexSettings.INDEX_SEARCH_THROTTLED,
IndexFieldDataService.INDEX_FIELDDATA_CACHE_KEY,
FieldMapper.IGNORE_MALFORMED_SETTING,
FieldMapper.COERCE_SETTING,
Store.INDEX_STORE_STATS_REFRESH_INTERVAL_SETTING,
MapperService.INDEX_MAPPER_DYNAMIC_SETTING,
MapperService.INDEX_MAPPING_NESTED_FIELDS_LIMIT_SETTING,
MapperService.INDEX_MAPPING_NESTED_DOCS_LIMIT_SETTING,
MapperService.INDEX_MAPPING_TOTAL_FIELDS_LIMIT_SETTING,
MapperService.INDEX_MAPPING_DEPTH_LIMIT_SETTING,
BitsetFilterCache.INDEX_LOAD_RANDOM_ACCESS_FILTERS_EAGERLY_SETTING,
IndexModule.INDEX_STORE_TYPE_SETTING,
IndexModule.INDEX_STORE_PRE_LOAD_SETTING,
IndexModule.INDEX_QUERY_CACHE_ENABLED_SETTING,
FsDirectoryService.INDEX_LOCK_FACTOR_SETTING,
EngineConfig.INDEX_CODEC_SETTING,
EngineConfig.INDEX_OPTIMIZE_AUTO_GENERATED_IDS,
IndexMetaData.SETTING_WAIT_FOR_ACTIVE_SHARDS,
IndexSettings.DEFAULT_PIPELINE, // validate that built-in similarities don't get redefined
Setting.groupSetting("index.similarity.", (s) -> {
Map<String, Settings> groups = s.getAsGroups();
for (String key : SimilarityService.BUILT_IN.keySet()) {
if (groups.containsKey(key)) {
throw new IllegalArgumentException("illegal value for [index.similarity." + key +
"] cannot redefine built-in similarity");
}
}
}, Property.IndexScope), // this allows similarity settings to be passed
Setting.groupSetting("index.analysis.", Property.IndexScope) // this allows analysis settings to be passed )));
包含的setting结构图如下：
2.2 ClusterSettings
/**
* Encapsulates all valid cluster level settings.
*/
内置的设置
public static Set<Setting<?>> BUILT_IN_CLUSTER_SETTINGS = Collections.unmodifiableSet(new HashSet<>(
Arrays.asList(AwarenessAllocationDecider.CLUSTER_ROUTING_ALLOCATION_AWARENESS_ATTRIBUTE_SETTING,
TransportClient.CLIENT_TRANSPORT_NODES_SAMPLER_INTERVAL, // TODO these transport client settings are kind
// of odd here and should only be valid if we are a transport client
TransportClient.CLIENT_TRANSPORT_PING_TIMEOUT,
TransportClient.CLIENT_TRANSPORT_IGNORE_CLUSTER_NAME,
TransportClient.CLIENT_TRANSPORT_SNIFF,
AwarenessAllocationDecider.CLUSTER_ROUTING_ALLOCATION_AWARENESS_FORCE_GROUP_SETTING,
BalancedShardsAllocator.INDEX_BALANCE_FACTOR_SETTING,
BalancedShardsAllocator.SHARD_BALANCE_FACTOR_SETTING,
BalancedShardsAllocator.THRESHOLD_SETTING,
ClusterRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ALLOW_REBALANCE_SETTING,
ConcurrentRebalanceAllocationDecider.CLUSTER_ROUTING_ALLOCATION_CLUSTER_CONCURRENT_REBALANCE_SETTING,
EnableAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING,
EnableAllocationDecider.CLUSTER_ROUTING_REBALANCE_ENABLE_SETTING,
FilterAllocationDecider.CLUSTER_ROUTING_INCLUDE_GROUP_SETTING,
FilterAllocationDecider.CLUSTER_ROUTING_EXCLUDE_GROUP_SETTING,
FilterAllocationDecider.CLUSTER_ROUTING_REQUIRE_GROUP_SETTING,
FsRepository.REPOSITORIES_CHUNK_SIZE_SETTING,
FsRepository.REPOSITORIES_COMPRESS_SETTING,
FsRepository.REPOSITORIES_LOCATION_SETTING,
IndicesQueryCache.INDICES_CACHE_QUERY_SIZE_SETTING,
IndicesQueryCache.INDICES_CACHE_QUERY_COUNT_SETTING,
IndicesQueryCache.INDICES_QUERIES_CACHE_ALL_SEGMENTS_SETTING,
MappingUpdatedAction.INDICES_MAPPING_DYNAMIC_TIMEOUT_SETTING,
MetaData.SETTING_READ_ONLY_SETTING,
MetaData.SETTING_READ_ONLY_ALLOW_DELETE_SETTING,
MetaData.SETTING_CLUSTER_MAX_SHARDS_PER_NODE,
RecoverySettings.INDICES_RECOVERY_MAX_BYTES_PER_SEC_SETTING,
RecoverySettings.INDICES_RECOVERY_RETRY_DELAY_STATE_SYNC_SETTING,
RecoverySettings.INDICES_RECOVERY_RETRY_DELAY_NETWORK_SETTING,
RecoverySettings.INDICES_RECOVERY_ACTIVITY_TIMEOUT_SETTING,
RecoverySettings.INDICES_RECOVERY_INTERNAL_ACTION_TIMEOUT_SETTING,
RecoverySettings.INDICES_RECOVERY_INTERNAL_LONG_ACTION_TIMEOUT_SETTING,
ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_INITIAL_PRIMARIES_RECOVERIES_SETTING,
ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_INCOMING_RECOVERIES_SETTING,
ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_OUTGOING_RECOVERIES_SETTING,
ThrottlingAllocationDecider.CLUSTER_ROUTING_ALLOCATION_NODE_CONCURRENT_RECOVERIES_SETTING,
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_LOW_DISK_WATERMARK_SETTING,
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_HIGH_DISK_WATERMARK_SETTING,
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_FLOOD_STAGE_WATERMARK_SETTING,
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_DISK_THRESHOLD_ENABLED_SETTING,
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_INCLUDE_RELOCATIONS_SETTING,
DiskThresholdSettings.CLUSTER_ROUTING_ALLOCATION_REROUTE_INTERVAL_SETTING,
SameShardAllocationDecider.CLUSTER_ROUTING_ALLOCATION_SAME_HOST_SETTING,
InternalClusterInfoService.INTERNAL_CLUSTER_INFO_UPDATE_INTERVAL_SETTING,
InternalClusterInfoService.INTERNAL_CLUSTER_INFO_TIMEOUT_SETTING,
DestructiveOperations.REQUIRES_NAME_SETTING,
DiscoverySettings.PUBLISH_TIMEOUT_SETTING,
DiscoverySettings.PUBLISH_DIFF_ENABLE_SETTING,
DiscoverySettings.COMMIT_TIMEOUT_SETTING,
DiscoverySettings.NO_MASTER_BLOCK_SETTING,
GatewayService.EXPECTED_DATA_NODES_SETTING,
GatewayService.EXPECTED_MASTER_NODES_SETTING,
GatewayService.EXPECTED_NODES_SETTING,
GatewayService.RECOVER_AFTER_DATA_NODES_SETTING,
GatewayService.RECOVER_AFTER_MASTER_NODES_SETTING,
GatewayService.RECOVER_AFTER_NODES_SETTING,
GatewayService.RECOVER_AFTER_TIME_SETTING,
NetworkModule.HTTP_DEFAULT_TYPE_SETTING,
NetworkModule.TRANSPORT_DEFAULT_TYPE_SETTING,
NetworkModule.HTTP_TYPE_SETTING,
NetworkModule.TRANSPORT_TYPE_SETTING,
HttpTransportSettings.SETTING_CORS_ALLOW_CREDENTIALS,
HttpTransportSettings.SETTING_CORS_ENABLED,
HttpTransportSettings.SETTING_CORS_MAX_AGE,
HttpTransportSettings.SETTING_HTTP_DETAILED_ERRORS_ENABLED,
HttpTransportSettings.SETTING_CORS_ALLOW_ORIGIN,
HttpTransportSettings.SETTING_HTTP_HOST,
HttpTransportSettings.SETTING_HTTP_PUBLISH_HOST,
HttpTransportSettings.SETTING_HTTP_BIND_HOST,
HttpTransportSettings.SETTING_HTTP_PORT,
HttpTransportSettings.SETTING_HTTP_PUBLISH_PORT,
HttpTransportSettings.SETTING_PIPELINING_MAX_EVENTS,
HttpTransportSettings.SETTING_HTTP_COMPRESSION,
HttpTransportSettings.SETTING_HTTP_COMPRESSION_LEVEL,
HttpTransportSettings.SETTING_CORS_ALLOW_METHODS,
HttpTransportSettings.SETTING_CORS_ALLOW_HEADERS,
HttpTransportSettings.SETTING_HTTP_DETAILED_ERRORS_ENABLED,
HttpTransportSettings.SETTING_HTTP_CONTENT_TYPE_REQUIRED,
HttpTransportSettings.SETTING_HTTP_MAX_CONTENT_LENGTH,
HttpTransportSettings.SETTING_HTTP_MAX_CHUNK_SIZE,
HttpTransportSettings.SETTING_HTTP_MAX_HEADER_SIZE,
HttpTransportSettings.SETTING_HTTP_MAX_WARNING_HEADER_COUNT,
HttpTransportSettings.SETTING_HTTP_MAX_WARNING_HEADER_SIZE,
HttpTransportSettings.SETTING_HTTP_MAX_INITIAL_LINE_LENGTH,
HttpTransportSettings.SETTING_HTTP_READ_TIMEOUT,
HttpTransportSettings.SETTING_HTTP_RESET_COOKIES,
HttpTransportSettings.SETTING_HTTP_TCP_NO_DELAY,
HttpTransportSettings.SETTING_HTTP_TCP_KEEP_ALIVE,
HttpTransportSettings.SETTING_HTTP_TCP_REUSE_ADDRESS,
HttpTransportSettings.SETTING_HTTP_TCP_SEND_BUFFER_SIZE,
HttpTransportSettings.SETTING_HTTP_TCP_RECEIVE_BUFFER_SIZE,
HierarchyCircuitBreakerService.USE_REAL_MEMORY_USAGE_SETTING,
HierarchyCircuitBreakerService.TOTAL_CIRCUIT_BREAKER_LIMIT_SETTING,
HierarchyCircuitBreakerService.FIELDDATA_CIRCUIT_BREAKER_LIMIT_SETTING,
HierarchyCircuitBreakerService.FIELDDATA_CIRCUIT_BREAKER_OVERHEAD_SETTING,
HierarchyCircuitBreakerService.IN_FLIGHT_REQUESTS_CIRCUIT_BREAKER_LIMIT_SETTING,
HierarchyCircuitBreakerService.IN_FLIGHT_REQUESTS_CIRCUIT_BREAKER_OVERHEAD_SETTING,
HierarchyCircuitBreakerService.REQUEST_CIRCUIT_BREAKER_LIMIT_SETTING,
HierarchyCircuitBreakerService.REQUEST_CIRCUIT_BREAKER_OVERHEAD_SETTING,
HierarchyCircuitBreakerService.ACCOUNTING_CIRCUIT_BREAKER_LIMIT_SETTING,
HierarchyCircuitBreakerService.ACCOUNTING_CIRCUIT_BREAKER_OVERHEAD_SETTING,
IndexModule.NODE_STORE_ALLOW_MMAPFS,
ClusterService.CLUSTER_SERVICE_SLOW_TASK_LOGGING_THRESHOLD_SETTING,
ClusterService.USER_DEFINED_META_DATA,
SearchService.DEFAULT_SEARCH_TIMEOUT_SETTING,
SearchService.DEFAULT_ALLOW_PARTIAL_SEARCH_RESULTS,
ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING,
TransportSearchAction.SHARD_COUNT_LIMIT_SETTING,
RemoteClusterAware.REMOTE_CLUSTERS_SEEDS,
RemoteClusterAware.SEARCH_REMOTE_CLUSTERS_SEEDS,
RemoteClusterAware.REMOTE_CLUSTERS_PROXY,
RemoteClusterAware.SEARCH_REMOTE_CLUSTERS_PROXY,
RemoteClusterService.REMOTE_CLUSTER_SKIP_UNAVAILABLE,
RemoteClusterService.SEARCH_REMOTE_CLUSTER_SKIP_UNAVAILABLE,
RemoteClusterService.REMOTE_CONNECTIONS_PER_CLUSTER,
RemoteClusterService.SEARCH_REMOTE_CONNECTIONS_PER_CLUSTER,
RemoteClusterService.REMOTE_INITIAL_CONNECTION_TIMEOUT_SETTING,
RemoteClusterService.SEARCH_REMOTE_INITIAL_CONNECTION_TIMEOUT_SETTING,
RemoteClusterService.REMOTE_NODE_ATTRIBUTE,
RemoteClusterService.SEARCH_REMOTE_NODE_ATTRIBUTE,
RemoteClusterService.ENABLE_REMOTE_CLUSTERS,
RemoteClusterService.SEARCH_ENABLE_REMOTE_CLUSTERS,
TransportService.TRACE_LOG_EXCLUDE_SETTING,
TransportService.TRACE_LOG_INCLUDE_SETTING,
TransportCloseIndexAction.CLUSTER_INDICES_CLOSE_ENABLE_SETTING,
ShardsLimitAllocationDecider.CLUSTER_TOTAL_SHARDS_PER_NODE_SETTING,
NodeConnectionsService.CLUSTER_NODE_RECONNECT_INTERVAL_SETTING,
HierarchyCircuitBreakerService.FIELDDATA_CIRCUIT_BREAKER_TYPE_SETTING,
HierarchyCircuitBreakerService.REQUEST_CIRCUIT_BREAKER_TYPE_SETTING,
Transport.TRANSPORT_TCP_COMPRESS,
TcpTransport.HOST,
TcpTransport.PUBLISH_HOST,
TcpTransport.BIND_HOST,
TcpTransport.PUBLISH_PORT,
TcpTransport.PORT,
TcpTransport.BIND_HOST_PROFILE,
TcpTransport.PUBLISH_HOST_PROFILE,
TcpTransport.PUBLISH_PORT_PROFILE,
TcpTransport.PORT_PROFILE,
TcpTransport.TCP_NO_DELAY_PROFILE,
TcpTransport.TCP_KEEP_ALIVE_PROFILE,
TcpTransport.TCP_REUSE_ADDRESS_PROFILE,
TcpTransport.TCP_SEND_BUFFER_SIZE_PROFILE,
TcpTransport.TCP_RECEIVE_BUFFER_SIZE_PROFILE,
TransportService.CONNECTIONS_PER_NODE_RECOVERY,
TransportService.CONNECTIONS_PER_NODE_BULK,
TransportService.CONNECTIONS_PER_NODE_REG,
TransportService.CONNECTIONS_PER_NODE_STATE,
TransportService.CONNECTIONS_PER_NODE_PING,
TransportService.TCP_CONNECT_TIMEOUT,
TcpTransport.PING_SCHEDULE,
NetworkService.NETWORK_SERVER,
TcpTransport.TCP_NO_DELAY,
TcpTransport.TCP_KEEP_ALIVE,
TcpTransport.TCP_REUSE_ADDRESS,
TcpTransport.TCP_SEND_BUFFER_SIZE,
TcpTransport.TCP_RECEIVE_BUFFER_SIZE,
NetworkService.GLOBAL_NETWORK_HOST_SETTING,
NetworkService.GLOBAL_NETWORK_BINDHOST_SETTING,
NetworkService.GLOBAL_NETWORK_PUBLISHHOST_SETTING,
NetworkService.TCP_NO_DELAY,
NetworkService.TCP_KEEP_ALIVE,
NetworkService.TCP_REUSE_ADDRESS,
NetworkService.TCP_SEND_BUFFER_SIZE,
NetworkService.TCP_RECEIVE_BUFFER_SIZE,
NetworkService.TCP_CONNECT_TIMEOUT,
IndexSettings.QUERY_STRING_ANALYZE_WILDCARD,
IndexSettings.QUERY_STRING_ALLOW_LEADING_WILDCARD,
ScriptService.SCRIPT_CACHE_SIZE_SETTING,
ScriptService.SCRIPT_CACHE_EXPIRE_SETTING,
ScriptService.SCRIPT_MAX_SIZE_IN_BYTES,
ScriptService.SCRIPT_MAX_COMPILATIONS_RATE,
ScriptService.TYPES_ALLOWED_SETTING,
ScriptService.CONTEXTS_ALLOWED_SETTING,
IndicesService.INDICES_CACHE_CLEAN_INTERVAL_SETTING,
IndicesFieldDataCache.INDICES_FIELDDATA_CACHE_SIZE_KEY,
IndicesRequestCache.INDICES_CACHE_QUERY_SIZE,
IndicesRequestCache.INDICES_CACHE_QUERY_EXPIRE,
HunspellService.HUNSPELL_LAZY_LOAD,
HunspellService.HUNSPELL_IGNORE_CASE,
HunspellService.HUNSPELL_DICTIONARY_OPTIONS,
IndicesStore.INDICES_STORE_DELETE_SHARD_TIMEOUT,
Environment.PATH_DATA_SETTING,
Environment.PATH_HOME_SETTING,
Environment.PATH_LOGS_SETTING,
Environment.PATH_REPO_SETTING,
Environment.PATH_SHARED_DATA_SETTING,
Environment.PIDFILE_SETTING,
NodeEnvironment.NODE_ID_SEED_SETTING,
DiscoverySettings.INITIAL_STATE_TIMEOUT_SETTING,
DiscoveryModule.DISCOVERY_TYPE_SETTING,
DiscoveryModule.DISCOVERY_HOSTS_PROVIDER_SETTING,
FaultDetection.PING_RETRIES_SETTING,
FaultDetection.PING_TIMEOUT_SETTING,
FaultDetection.REGISTER_CONNECTION_LISTENER_SETTING,
FaultDetection.PING_INTERVAL_SETTING,
FaultDetection.CONNECT_ON_NETWORK_DISCONNECT_SETTING,
ZenDiscovery.PING_TIMEOUT_SETTING,
ZenDiscovery.JOIN_TIMEOUT_SETTING,
ZenDiscovery.JOIN_RETRY_ATTEMPTS_SETTING,
ZenDiscovery.JOIN_RETRY_DELAY_SETTING,
ZenDiscovery.MAX_PINGS_FROM_ANOTHER_MASTER_SETTING,
ZenDiscovery.SEND_LEAVE_REQUEST_SETTING,
ZenDiscovery.MASTER_ELECTION_WAIT_FOR_JOINS_TIMEOUT_SETTING,
ZenDiscovery.MASTER_ELECTION_IGNORE_NON_MASTER_PINGS_SETTING,
ZenDiscovery.MAX_PENDING_CLUSTER_STATES_SETTING,
SettingsBasedHostsProvider.DISCOVERY_ZEN_PING_UNICAST_HOSTS_SETTING,
UnicastZenPing.DISCOVERY_ZEN_PING_UNICAST_CONCURRENT_CONNECTS_SETTING,
UnicastZenPing.DISCOVERY_ZEN_PING_UNICAST_HOSTS_RESOLVE_TIMEOUT,
SearchService.DEFAULT_KEEPALIVE_SETTING,
SearchService.KEEPALIVE_INTERVAL_SETTING,
SearchService.MAX_KEEPALIVE_SETTING,
MultiBucketConsumerService.MAX_BUCKET_SETTING,
SearchService.LOW_LEVEL_CANCELLATION_SETTING,
Node.WRITE_PORTS_FILE_SETTING,
Node.NODE_NAME_SETTING,
Node.NODE_DATA_SETTING,
Node.NODE_MASTER_SETTING,
Node.NODE_INGEST_SETTING,
Node.NODE_ATTRIBUTES,
Node.NODE_LOCAL_STORAGE_SETTING,
AutoCreateIndex.AUTO_CREATE_INDEX_SETTING,
BaseRestHandler.MULTI_ALLOW_EXPLICIT_INDEX,
ClusterName.CLUSTER_NAME_SETTING,
Client.CLIENT_TYPE_SETTING_S,
ClusterModule.SHARDS_ALLOCATOR_TYPE_SETTING,
EsExecutors.PROCESSORS_SETTING,
ThreadContext.DEFAULT_HEADERS_SETTING,
TcpTransport.DEFAULT_FEATURES_SETTING,
Loggers.LOG_DEFAULT_LEVEL_SETTING,
Loggers.LOG_LEVEL_SETTING,
NodeEnvironment.MAX_LOCAL_STORAGE_NODES_SETTING,
NodeEnvironment.ENABLE_LUCENE_SEGMENT_INFOS_TRACE_SETTING,
OsService.REFRESH_INTERVAL_SETTING,
ProcessService.REFRESH_INTERVAL_SETTING,
JvmService.REFRESH_INTERVAL_SETTING,
FsService.REFRESH_INTERVAL_SETTING,
JvmGcMonitorService.ENABLED_SETTING,
JvmGcMonitorService.REFRESH_INTERVAL_SETTING,
JvmGcMonitorService.GC_SETTING,
JvmGcMonitorService.GC_OVERHEAD_WARN_SETTING,
JvmGcMonitorService.GC_OVERHEAD_INFO_SETTING,
JvmGcMonitorService.GC_OVERHEAD_DEBUG_SETTING,
PageCacheRecycler.LIMIT_HEAP_SETTING,
PageCacheRecycler.WEIGHT_BYTES_SETTING,
PageCacheRecycler.WEIGHT_INT_SETTING,
PageCacheRecycler.WEIGHT_LONG_SETTING,
PageCacheRecycler.WEIGHT_OBJECTS_SETTING,
PageCacheRecycler.TYPE_SETTING,
PluginsService.MANDATORY_SETTING,
BootstrapSettings.SECURITY_FILTER_BAD_DEFAULTS_SETTING,
BootstrapSettings.MEMORY_LOCK_SETTING,
BootstrapSettings.SYSTEM_CALL_FILTER_SETTING,
BootstrapSettings.CTRLHANDLER_SETTING,
KeyStoreWrapper.SEED_SETTING,
IndexingMemoryController.INDEX_BUFFER_SIZE_SETTING,
IndexingMemoryController.MIN_INDEX_BUFFER_SIZE_SETTING,
IndexingMemoryController.MAX_INDEX_BUFFER_SIZE_SETTING,
IndexingMemoryController.SHARD_INACTIVE_TIME_SETTING,
IndexingMemoryController.SHARD_MEMORY_INTERVAL_TIME_SETTING,
ResourceWatcherService.ENABLED,
ResourceWatcherService.RELOAD_INTERVAL_HIGH,
ResourceWatcherService.RELOAD_INTERVAL_MEDIUM,
ResourceWatcherService.RELOAD_INTERVAL_LOW,
SearchModule.INDICES_MAX_CLAUSE_COUNT_SETTING,
ThreadPool.ESTIMATED_TIME_INTERVAL_SETTING,
FastVectorHighlighter.SETTING_TV_HIGHLIGHT_MULTI_VALUE,
Node.BREAKER_TYPE_KEY,
OperationRouting.USE_ADAPTIVE_REPLICA_SELECTION_SETTING,
IndexGraveyard.SETTING_MAX_TOMBSTONES,
EnableAssignmentDecider.CLUSTER_TASKS_ALLOCATION_ENABLE_SETTING
)));
包含setting的结构图如下
<图1>
<图2>
<图3>
2.3 SettingsFilter
/**
* A class that allows to filter settings objects by simple regular expression patterns or full settings keys.
* It's used for response filtering on the rest layer to for instance filter out sensitive information like access keys.
*/
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