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# This file shows all possible parameters with defaults. For some values, CAF
# computes a value at runtime if the configuration does not provide a value. For
# example, "caf.scheduler.max-threads" has no hard-coded default and instead
# adjusts to the number of cores available.
caf {
# Parameters selecting a default scheduler.
scheduler {
# Use the work stealing implementation. Accepted alternative: "sharing".
policy = "stealing"
# Maximum number of messages actors can consume in single run (int64 max).
max-throughput = 9223372036854775807
# # Maximum number of threads for the scheduler. No hardcoded default.
# max-threads = ... (detected at runtime)
}
# Parameters for the work stealing scheduler. Only takes effect if
# caf.scheduler.policy is set to "stealing".
work-stealing {
# Number of zero-sleep-interval polling attempts.
aggressive-poll-attempts = 100
# Frequency of steal attempts during aggressive polling.
aggressive-steal-interval = 10
# Number of moderately aggressive polling attempts.
moderate-poll-attempts = 500
# Frequency of steal attempts during moderate polling.
moderate-steal-interval = 5
# Sleep interval between poll attempts.
moderate-sleep-duration = 50us
# Frequency of steal attempts during relaxed polling.
relaxed-steal-interval = 1
# Sleep interval between poll attempts.
relaxed-sleep-duration = 10ms
}
# Parameters for the I/O module.
middleman {
# Configures whether MMs try to span a full mesh.
enable-automatic-connections = false
# Application identifiers of this node, prevents connection to other CAF
# instances with incompatible identifiers.
app-identifiers = ["generic-caf-app"]
# Maximum number of consecutive I/O reads per broker.
max-consecutive-reads = 50
# Heartbeat message interval in ms (0 disables heartbeating).
heartbeat-interval = 0ms
# Configures whether the MM attaches its internal utility actors to the
# scheduler instead of dedicating individual threads (needed only for
# deterministic testing).
attach-utility-actors = false
# Configures whether the MM starts a background thread for I/O activity.
# Setting this to true allows fully deterministic execution in unit test and
# requires the user to trigger I/O manually.
manual-multiplexing = false
# # Configures how many background workers are spawned for deserialization.
# # No hardcoded default.
# workers = ... (detected at runtime)
}
# Parameters for logging.
logger {
# # Note: File logging is disabled unless a 'file' section exists that
# # contains a setting for 'verbosity'.
# file {
# # File name template for output log files.
# path = "actor_log_[PID]_[TIMESTAMP]_[NODE].log"
# # Format for rendering individual log file entries.
# format = "%r %c %p %a %t %C %M %F:%L %m%n"
# # Minimum severity of messages that are written to the log. One of:
# # 'quiet', 'error', 'warning', 'info', 'debug', or 'trace'.
# verbosity = "trace"
# # A list of components to exclude in file output.
# excluded-components = []
# }
# # Note: Console output is disabled unless a 'console' section exists that
# # contains a setting for 'verbosity'.
# console {
# # Enabled colored output when writing to a TTY if set to true.
# colored = true
# # Format for printing log lines (implicit newline at the end).
# format = "[%c:%p] %d %m"
# # Minimum severity of messages that are written to the console. One of:
# # 'quiet', 'error', 'warning', 'info', 'debug', or 'trace'.
# verbosity = "trace"
# # A list of components to exclude in console output.
# excluded-components = []
# }
}
}
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