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things-search.conf
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things-search.conf
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ditto {
service-name = "things-search"
mapping-strategy.implementation = "org.eclipse.ditto.thingsearch.api.ThingSearchMappingStrategies"
root-child-actor-starter = "org.eclipse.ditto.base.service.NoOpRootChildActorStarter"
root-actor-starter = "org.eclipse.ditto.base.service.NoOpRootActorStarter"
persistence.operations.delay-after-persistence-actor-shutdown = 5s
persistence.operations.delay-after-persistence-actor-shutdown = ${?DELAY_AFTER_PERSISTENCE_ACTOR_SHUTDOWN}
mongodb {
database = "searchDB"
database = ${?MONGO_DB_DATABASE}
pool {
minSize = 0
minSize = ${?MONGO_DB_CONNECTION_MIN_POOL_SIZE}
maxSize = 1000
maxSize = ${?MONGO_DB_CONNECTION_POOL_SIZE}
maxWaitTime = 30s
maxWaitTime = ${?MONGO_DB_CONNECTION_POOL_WAIT_TIME}
jmxListenerEnabled = false
jmxListenerEnabled = ${?MONGO_DB_CONNECTION_POOL_JMX_LISTENER_ENABLED}
}
breaker {
# defines ater how many failures the circuit breaker should open
maxFailures = 5
maxFailures = ${?BREAKER_MAXFAILURES}
timeout {
# MongoDB Timeouts causing the circuitBreaker to open - "0s" disables timeouts opening the breaker
call = 5s
call = ${?BREAKER_TIMEOUT}
# after this time in "Open" state, the cicuitBreaker is "Half-opened" again
reset = 10s
reset = ${?BREAKER_RESET}
}
}
monitoring {
commands = true
commands = ${?MONGODB_MONITORING_COMMANDS_ENABLED}
connection-pool = true
commands = ${?MONGODB_MONITORING_CONNECTION_POOL_ENABLED}
}
}
signal-enrichment {
caching-signal-enrichment-facade.provider = org.eclipse.ditto.internal.models.signalenrichment.DittoCachingSignalEnrichmentFacadeProvider
caching-signal-enrichment-facade.provider = ${?THINGS_SEARCH_CACHING_SIGNAL_ENRICHMENT_PROVIDER}
}
things-search {
query-criteria-validator.implementation = org.eclipse.ditto.thingsearch.service.persistence.query.validation.DefaultQueryCriteriaValidator
query-criteria-validator.implementation = ${?QUERY_CRITERIA_VALIDATOR_IMPLEMENTATION}
search-update-mapper.implementation = org.eclipse.ditto.thingsearch.service.persistence.write.streaming.DefaultSearchUpdateMapper
search-update-mapper.implementation = ${?SEARCH_UPDATE_MAPPER_IMPLEMENTATION}
search-update-observer.implementation = org.eclipse.ditto.thingsearch.service.updater.actors.DefaultSearchUpdateObserver
search-update-observer.implementation = ${?SEARCH_UPDATE_OBSERVER_IMPLEMENTATION}
mongo-hints-by-namespace = ${?MONGO_HINTS_BY_NAMESPACE}
index-initialization {
# indices should be created within this application
enabled = true
enabled = ${?INDEX_INITIALIZATION_ENABLED}
}
updater {
max-idle-time = 25h
max-idle-time = ${?ACTIVITY_CHECK_INTERVAL}
event-processing-active = true
event-processing-active = ${?EVENT_PROCESSING_ACTIVE}
# how often to poll shard region for state updates
sharding-state-poll-interval = 15s
sharding-state-poll-interval = ${?SHARDING_STATE_POLL_INTERVAL}
force-update-probability = 0.00
force-update-probability = ${?FORCE_UPDATE_PROBABILITY}
force-update-after-start-enabled = false
force-update-after-start-enabled = ${?FORCE_UPDATE_AFTER_START_ENABLED}
force-update-after-start-timeout = 5m
force-update-after-start-timeout = ${?FORCE_UPDATE_AFTER_START_TIMEOUT}
force-update-after-start-random-factor = 1.0
force-update-after-start-random-factor = ${?FORCE_UPDATE_AFTER_START_RANDOM_FACTOR}
background-sync {
enabled = true
enabled = ${?BACKGROUND_SYNC_ENABLED}
quiet-period = 8m
quiet-period = ${?BACKGROUND_SYNC_QUIET_PERIOD}
idle-timeout = 5m
idle-timeout = ${?BACKGROUND_SYNC_IDLE_TIMEOUT}
tolerance-window = 20m
tolerance-window = ${?BACKGROUND_SYNC_TOLERANCE_WINDOW}
policy-ask-timeout = 10s
policy-ask-timeout = ${?BACKGROUND_SYNC_POLICY_ASK_TIMEOUT}
keep {
events = 50
events = ${?BACKGROUND_SYNC_KEEP_EVENTS}
}
throttle {
throughput = 100
throughput = ${?BACKGROUND_SYNC_THROTTLE_THROUGHPUT}
period = 10s
period = ${?BACKGROUND_SYCN_THROTTLE_PERIOD}
}
# handle failures/stalling/expired cursors
min-backoff = 1s
min-backoff = ${?BACKGROUND_SYNC_MIN_BACKOFF}
max-backoff = 2m
max-backoff = ${?BACKGROUND_SYNC_MAX_BACKOFF}
# give up stream resumption after about 6 hours = 180 * 120s
max-restarts = 180
max-restarts = ${?BACKGROUND_SYNC_MAX_RESTARTS}
# assume upstream healthy if no error happened for this long
recovery = 5m
recovery = ${?BACKGROUND_SYNC_RECOCVERY}
}
stream {
# arrays bigger than this are not indexed
max-array-size = 0
max-array-size = ${?THINGS_SEARCH_UPDATER_STREAM_MAX_ARRAY_SIZE}
# minimum delay between event dumps must be at least 1s
write-interval = 1s
write-interval = ${?THINGS_SEARCH_UPDATER_STREAM_WRITE_INTERVAL}
# configuration for retrieval of policies/things via sharding
ask-with-retry {
ask-timeout = 5s
ask-timeout = ${?THINGS_SEARCH_UPDATER_STREAM_ASK_TIMEOUT}
# one of: OFF, NO_DELAY, FIXED_DELAY, BACKOFF_DELAY
retry-strategy = BACKOFF_DELAY
retry-strategy = ${?THINGS_SEARCH_UPDATER_STREAM_RETRY_STRATEGY}
retry-attempts = 3
retry-attempts = ${?THINGS_SEARCH_UPDATER_STREAM_RETRY_ATTEMPTS}
fixed-delay = 5s
fixed-delay = ${?THINGS_SEARCH_UPDATER_STREAM_RETRY_FIXED_DELAY}
backoff-delay {
min = 100ms
max = 10s
# must be between 0.0 and 1.0:
random-factor = 0.5
}
}
# retrieval of things and policy-enforcers
retrieval {
# upper bound of parallel SudoRetrieveThing commands (by extension, parallel loads of policy enforcer cache)
parallelism = 16
parallelism = ${?THINGS_SEARCH_UPDATER_STREAM_RETRIEVAL_PARALLELISM}
# back-offs in case of failure
exponential-backoff {
min = 1s
max = 2m
random-factor = 2.0
}
}
# writing into the persistence
persistence {
# how many bulk writes to request in parallel; must be a power of 2
parallelism = 2
parallelism = ${?THINGS_SEARCH_UPDATER_STREAM_PERSISTENCE_PARALLELISM}
# how many write operations to perform in one bulk
max-bulk-size = 100
max-bulk-size = ${?THINGS_SEARCH_UPDATER_STREAM_PERSISTENCE_MAX_BULK_SIZE}
# how long to wait after DB acknowledgement before sending "search-persisted" acknowledgement
ack-delay = 0s
ack-delay = ${?THINGS_SEARCH_UPDATER_STREAM_PERSISTENCE_ACK_DELAY}
# mongoDB write concern to use for search updates requiring acknowledgement
with-acks-writeConcern = journaled
with-acks-writeConcern = ${?THINGS_SEARCH_UPDATER_STREAM_PERSISTENCE_WITH_ACKS_WRITE_CONCERN}
# backoffs in case of failure
exponential-backoff {
min = 1s
max = 2m
random-factor = 2.0
}
}
policy-cache {
# name of the dispatcher to run async cache loaders, which do not block threads
dispatcher = "policy-enforcer-cache-dispatcher"
# delay before retrying a cache query if the cached value is out of date
retry-delay = 1s
retry-delay = ${?THINGS_SEARCH_UPDATER_STREAM_POLICY_CACHE_RETRY_DELAY}
# how many enforcers to cache
maximum-size = 20000
maximum-size = ${?THINGS_SEARCH_UPDATER_STREAM_POLICY_CACHE_SIZE}
# lifetime of a cached enforcer. set very high because entries are invalidated lazily
expire-after-write = 2h
expire-after-write = ${?THINGS_SEARCH_UPDATER_STREAM_POLICY_CACHE_EXPIRY}
expire-after-access = 30m
expire-after-access = ${?THINGS_SEARCH_UPDATER_STREAM_POLICY_CACHE_EXPIRY_AFTER_ACCESS}
}
thing-cache {
# name of the dispatcher to run async cache loaders, which do not block threads
dispatcher = "thing-cache-dispatcher"
# how many things to cache
maximum-size = 20000
maximum-size = ${?THINGS_SEARCH_UPDATER_STREAM_THING_CACHE_SIZE}
# lifetime of a cached thing
expire-after-write = 2h
expire-after-write = ${?THINGS_SEARCH_UPDATER_STREAM_THING_CACHE_EXPIRY}
expire-after-access = 30m
expire-after-access = ${?THINGS_SEARCH_UPDATER_STREAM_THING_CACHE_EXPIRY_AFTER_ACCESS}
}
}
persistence {
# read preference is one of: primary, primaryPreferred, secondary, secondaryPreferred, nearest
readPreference = ${ditto.mongodb.options.readPreference}
readPreference = ${?UPDATER_PERSISTENCE_MONGO_DB_READ_PREFERENCE}
# read concern is one of: default, local, majority, linearizable, snapshot, available
readConcern = ${ditto.mongodb.options.readConcern}
readConcern = ${?UPDATER_PERSISTENCE_MONGO_DB_READ_CONCERN}
}
}
}
}
akka {
cluster {
sharding {
role = ${ditto.service-name}
}
roles = [
"things-search",
"blocked-namespaces-aware",
"thing-event-aware"
]
}
}
search-dispatcher {
# one thread per query and a dedicated thread for the search actor
type = PinnedDispatcher
executor = "thread-pool-executor"
}
blocked-namespaces-dispatcher {
type = Dispatcher
executor = "fork-join-executor"
fork-join-executor {
# Min number of threads to cap factor-based parallelism number to
parallelism-min = 4
# Parallelism (threads) ... ceil(available processors * factor)
parallelism-factor = 3.0
# Max number of threads to cap factor-based parallelism number to
parallelism-max = 32
parallelism-max = ${?DEFAULT_DISPATCHER_PARALLELISM_MAX}
}
throughput = 5
}
policy-enforcer-cache-dispatcher {
type = "Dispatcher"
executor = "thread-pool-executor"
thread-pool-executor {
keep-alive-time = 60s
fixed-pool-size = off
max-pool-size-max = 256
max-pool-size-max = ${?CACHE_DISPATCHER_POOL_SIZE_MAX}
max-pool-size-max = ${?POLICY_ENFORCER_CACHE_DISPATCHER_POOL_SIZE_MAX}
}
}
thing-cache-dispatcher {
type = "Dispatcher"
executor = "thread-pool-executor"
thread-pool-executor {
keep-alive-time = 60s
fixed-pool-size = off
max-pool-size-max = 256
max-pool-size-max = ${?CACHE_DISPATCHER_POOL_SIZE_MAX}
max-pool-size-max = ${?THING_CACHE_DISPATCHER_POOL_SIZE_MAX}
}
}
include "things-search-extension.conf"