zeek/doc/frameworks/telemetry/log-writes-cached.zeek
Patrick Kelley 8fd444092b initial
2025-05-07 15:35:15 -04:00

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global log_writes_cf = Telemetry::register_counter_family([
$prefix="zeek",
$name="log_writes",
$unit="1",
$help_text="Number of log writes per stream",
$label_names=vector("log_id")
]);
# Cache for the Telemetry::Counter instances.
global log_write_counters: table[Log::ID] of Telemetry::Counter;
hook Log::log_stream_policy(rec: any, id: Log::ID)
{
if ( id !in log_write_counters )
{
local log_id = to_lower(gsub(cat(id), /:+/, "_"));
log_write_counters[id] = Telemetry::counter_with(log_writes_cf,
vector(log_id));
}
Telemetry::counter_inc(log_write_counters[id]);
}