diff options
Diffstat (limited to 'src/mongo/db/query/query_knobs.idl')
| -rw-r--r-- | src/mongo/db/query/query_knobs.idl | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/src/mongo/db/query/query_knobs.idl b/src/mongo/db/query/query_knobs.idl index 1a7423a9a12..869ecbd1695 100644 --- a/src/mongo/db/query/query_knobs.idl +++ b/src/mongo/db/query/query_knobs.idl @@ -30,8 +30,9 @@ global: cpp_namespace: "mongo" cpp_includes: - "mongo/db/query/ce_mode_parameter.h" - - "mongo/db/query/plan_cache_size_parameter.h" + - "mongo/util/memory_util.h" - "mongo/db/query/sbe_plan_cache_on_parameter_change.h" + - "mongo/db/query/telemetry_util.h" - "mongo/platform/atomic_proxy.h" - "mongo/platform/atomic_word.h" @@ -938,6 +939,30 @@ server_parameters: default: expr: false + internalQueryConfigureTelemetrySamplingRate: + description: "The maximum number of queries per second that are sampled for query telemetry. + If the rate of queries goes above this number, then rate limiting will kick in, and any + further queries will not be sampled. The default is INT_MAX, effectively meaning that all + queries will be sampled. This can be set to 0 to turn telemetry off completely." + set_at: [ startup, runtime ] + cpp_varname: "queryTelemetrySamplingRate" + cpp_vartype: AtomicWord<int> + default: 2147483647 + + internalQueryConfigureTelemetryCacheSize: + description: "The maximum amount of memory that the system will allocate for the query telemetry + cache. This will accept values in either of the following formats: + 1. <number>% indicates a percentage of the physical memory available to the process. E.g.: 15%. + 2. <number>(MB|GB), indicates the amount of memory in MB or GB. E.g.: 1.5GB, 100MB. + The default value is 5%, which means 5% of the physical memory available to the process." + set_at: [ startup, runtime ] + cpp_varname: "queryTelemetryCacheSize" + cpp_vartype: synchronized_value<std::string> + default: "5%" + on_update: telemetry_util::onTelemetryCacheSizeUpdate + validator: + callback: telemetry_util::validateTelemetryCacheSize + internalQueryDisableExclusionProjectionFastPath: description: "If true, then ExclusionProjectionExecutor won't use fast path implementation. This is needed to pass generational fuzzers that are sensitive to field order and other corner cases |