# SearchNode Metrics [](/en/reference/operations/metrics/searchnode.html.md "View as Markdown") | Name | Unit | Description | | --- | --- | --- | | content.proton.config.generation | version | The oldest config generation used by this search node | | content.proton.documentdb.documents.total | document | The total number of documents in this documents db (ready + not-ready) | | content.proton.documentdb.documents.ready | document | The number of ready documents in this document db | | content.proton.documentdb.documents.active | document | The number of active / searchable documents in this document db | | content.proton.documentdb.documents.removed | document | The number of removed documents in this document db | | content.proton.documentdb.index.docs\_in\_memory | document | Number of documents in memory index | | content.proton.documentdb.disk\_usage | byte | The total disk usage (in bytes) for this document db | | content.proton.documentdb.memory\_usage.allocated\_bytes | byte | The number of allocated bytes | | content.proton.documentdb.memory\_usage.dead\_bytes | byte | The number of dead bytes (\<= used\_bytes) | | content.proton.documentdb.memory\_usage.onhold\_bytes | byte | The number of bytes on hold | | content.proton.documentdb.memory\_usage.used\_bytes | byte | The number of used bytes (\<= allocated\_bytes) | | content.proton.documentdb.heart\_beat\_age | second | How long ago (in seconds) heart beat maintenance job was run | | content.proton.docsum.count | request | Docsum requests handled | | content.proton.docsum.docs | document | Total docsums returned | | content.proton.docsum.latency | millisecond | Docsum request latency | | content.proton.search\_protocol.query.latency | second | Query request latency (seconds) | | content.proton.search\_protocol.query.request\_size | byte | Query request size (network bytes) | | content.proton.search\_protocol.query.reply\_size | byte | Query reply size (network bytes) | | content.proton.search\_protocol.docsum.latency | second | Docsum request latency (seconds) | | content.proton.search\_protocol.docsum.request\_size | byte | Docsum request size (network bytes) | | content.proton.search\_protocol.docsum.reply\_size | byte | Docsum reply size (network bytes) | | content.proton.search\_protocol.docsum.requested\_documents | document | Total requested document summaries | | content.proton.executor.proton.queuesize | task | Size of executor proton task queue | | content.proton.executor.proton.accepted | task | Number of executor proton accepted tasks | | content.proton.executor.proton.wakeups | wakeup | Number of times an executor proton worker thread has been woken up | | content.proton.executor.proton.utilization | fraction | Ratio of time the executor proton worker threads has been active | | content.proton.executor.proton.rejected | task | Number of rejected tasks | | content.proton.executor.flush.queuesize | task | Size of executor flush task queue | | content.proton.executor.flush.accepted | task | Number of accepted executor flush tasks | | content.proton.executor.flush.wakeups | wakeup | Number of times an executor flush worker thread has been woken up | | content.proton.executor.flush.utilization | fraction | Ratio of time the executor flush worker threads has been active | | content.proton.executor.flush.rejected | task | Number of rejected tasks | | content.proton.executor.match.queuesize | task | Size of executor match task queue | | content.proton.executor.match.accepted | task | Number of accepted executor match tasks | | content.proton.executor.match.wakeups | wakeup | Number of times an executor match worker thread has been woken up | | content.proton.executor.match.utilization | fraction | Ratio of time the executor match worker threads has been active | | content.proton.executor.match.rejected | task | Number of rejected tasks | | content.proton.executor.docsum.queuesize | task | Size of executor docsum task queue | | content.proton.executor.docsum.accepted | task | Number of executor accepted docsum tasks | | content.proton.executor.docsum.wakeups | wakeup | Number of times an executor docsum worker thread has been woken up | | content.proton.executor.docsum.utilization | fraction | Ratio of time the executor docsum worker threads has been active | | content.proton.executor.docsum.rejected | task | Number of rejected tasks | | content.proton.executor.shared.queuesize | task | Size of executor shared task queue | | content.proton.executor.shared.accepted | task | Number of executor shared accepted tasks | | content.proton.executor.shared.wakeups | wakeup | Number of times an executor shared worker thread has been woken up | | content.proton.executor.shared.utilization | fraction | Ratio of time the executor shared worker threads has been active | | content.proton.executor.shared.rejected | task | Number of rejected tasks | | content.proton.executor.warmup.queuesize | task | Size of executor warmup task queue | | content.proton.executor.warmup.accepted | task | Number of accepted executor warmup tasks | | content.proton.executor.warmup.wakeups | wakeup | Number of times a warmup executor worker thread has been woken up | | content.proton.executor.warmup.utilization | fraction | Ratio of time the executor warmup worker threads has been active | | content.proton.executor.warmup.rejected | task | Number of rejected tasks | | content.proton.executor.field\_writer.queuesize | task | Size of executor field writer task queue | | content.proton.executor.field\_writer.accepted | task | Number of accepted executor field writer tasks | | content.proton.executor.field\_writer.wakeups | wakeup | Number of times an executor field writer worker thread has been woken up | | content.proton.executor.field\_writer.utilization | fraction | Ratio of time the executor fieldwriter worker threads has been active | | content.proton.executor.field\_writer.saturation | fraction | Ratio indicating the max saturation of underlying worker threads. A higher saturation than utilization indicates a bottleneck in one of the worker threads. | | content.proton.executor.field\_writer.rejected | task | Number of rejected tasks | | content.proton.documentdb.job.total | fraction | The job load average total of all job metrics | | content.proton.documentdb.job.attribute\_flush | fraction | Flushing of attribute vector(s) to disk | | content.proton.documentdb.job.memory\_index\_flush | fraction | Flushing of memory index to disk | | content.proton.documentdb.job.disk\_index\_fusion | fraction | Fusion of disk indexes | | content.proton.documentdb.job.document\_store\_flush | fraction | Flushing of document store to disk | | content.proton.documentdb.job.document\_store\_compact | fraction | Compaction of document store on disk | | content.proton.documentdb.job.bucket\_move | fraction | Moving of buckets between 'ready' and 'notready' sub databases | | content.proton.documentdb.job.lid\_space\_compact | fraction | Compaction of lid space in document meta store and attribute vectors | | content.proton.documentdb.job.removed\_documents\_prune | fraction | Pruning of removed documents in 'removed' sub database | | content.proton.documentdb.threading\_service.master.queuesize | task | Size of threading service master task queue | | content.proton.documentdb.threading\_service.master.accepted | task | Number of accepted threading service master tasks | | content.proton.documentdb.threading\_service.master.wakeups | wakeup | Number of times a threading service master worker thread has been woken up | | content.proton.documentdb.threading\_service.master.utilization | fraction | Ratio of time the threading service master worker threads has been active | | content.proton.documentdb.threading\_service.master.rejected | task | Number of rejected tasks | | content.proton.documentdb.threading\_service.index.queuesize | task | Size of threading service index task queue | | content.proton.documentdb.threading\_service.index.accepted | task | Number of accepted threading service index tasks | | content.proton.documentdb.threading\_service.index.wakeups | wakeup | Number of times a threading service index worker thread has been woken up | | content.proton.documentdb.threading\_service.index.utilization | fraction | Ratio of time the threading service index worker threads has been active | | content.proton.documentdb.threading\_service.index.rejected | task | Number of rejected tasks | | content.proton.documentdb.threading\_service.summary.queuesize | task | Size of threading service summary task queue | | content.proton.documentdb.threading\_service.summary.accepted | task | Number of accepted threading service summary tasks | | content.proton.documentdb.threading\_service.summary.wakeups | wakeup | Number of times a threading service summary worker thread has been woken up | | content.proton.documentdb.threading\_service.summary.utilization | fraction | Ratio of time the threading service summary worker threads has been active | | content.proton.documentdb.threading\_service.summary.rejected | task | Number of rejected tasks | | content.proton.documentdb.threading\_service.attribute\_field\_writer.accepted | task | Number of accepted tasks | | content.proton.documentdb.threading\_service.attribute\_field\_writer.queuesize | task | Size of task queue | | content.proton.documentdb.threading\_service.attribute\_field\_writer.rejected | task | Number of rejected tasks | | content.proton.documentdb.threading\_service.attribute\_field\_writer.utilization | fraction | Ratio of time the worker threads has been active | | content.proton.documentdb.threading\_service.attribute\_field\_writer.wakeups | wakeup | Number of times a worker thread has been woken up | | content.proton.documentdb.threading\_service.index\_field\_inverter.accepted | task | Number of accepted tasks | | content.proton.documentdb.threading\_service.index\_field\_inverter.queuesize | task | Size of task queue | | content.proton.documentdb.threading\_service.index\_field\_inverter.rejected | task | Number of rejected tasks | | content.proton.documentdb.threading\_service.index\_field\_inverter.utilization | fraction | Ratio of time the worker threads has been active | | content.proton.documentdb.threading\_service.index\_field\_inverter.wakeups | wakeup | Number of times a worker thread has been woken up | | content.proton.documentdb.threading\_service.index\_field\_writer.accepted | task | Number of accepted tasks | | content.proton.documentdb.threading\_service.index\_field\_writer.queuesize | task | Size of task queue | | content.proton.documentdb.threading\_service.index\_field\_writer.rejected | task | Number of rejected tasks | | content.proton.documentdb.threading\_service.index\_field\_writer.utilization | fraction | Ratio of time the worker threads has been active | | content.proton.documentdb.threading\_service.index\_field\_writer.wakeups | wakeup | Number of times a worker thread has been woken up | | content.proton.documentdb.ready.lid\_space.lid\_bloat\_factor | fraction | The bloat factor of this lid space, indicating the total amount of holes in the allocated lid space ((lid\_limit - used\_lids) / lid\_limit) | | content.proton.documentdb.ready.lid\_space.lid\_fragmentation\_factor | fraction | The fragmentation factor of this lid space, indicating the amount of holes in the currently used part of the lid space ((highest\_used\_lid - used\_lids) / highest\_used\_lid) | | content.proton.documentdb.ready.lid\_space.lid\_limit | documentid | The size of the allocated lid space | | content.proton.documentdb.ready.lid\_space.highest\_used\_lid | documentid | The highest used lid | | content.proton.documentdb.ready.lid\_space.used\_lids | documentid | The number of lids used | | content.proton.documentdb.ready.lid\_space.lowest\_free\_lid | documentid | The lowest free local document id | | content.proton.documentdb.notready.lid\_space.lid\_bloat\_factor | fraction | The bloat factor of this lid space, indicating the total amount of holes in the allocated lid space ((lid\_limit - used\_lids) / lid\_limit) | | content.proton.documentdb.notready.lid\_space.lid\_fragmentation\_factor | fraction | The fragmentation factor of this lid space, indicating the amount of holes in the currently used part of the lid space ((highest\_used\_lid - used\_lids) / highest\_used\_lid) | | content.proton.documentdb.notready.lid\_space.lid\_limit | documentid | The size of the allocated lid space | | content.proton.documentdb.notready.lid\_space.highest\_used\_lid | documentid | The highest used lid | | content.proton.documentdb.notready.lid\_space.used\_lids | documentid | The number of lids used | | content.proton.documentdb.notready.lid\_space.lowest\_free\_lid | documentid | The lowest free local document id | | content.proton.documentdb.removed.lid\_space.lid\_bloat\_factor | fraction | The bloat factor of this lid space, indicating the total amount of holes in the allocated lid space ((lid\_limit - used\_lids) / lid\_limit) | | content.proton.documentdb.removed.lid\_space.lid\_fragmentation\_factor | fraction | The fragmentation factor of this lid space, indicating the amount of holes in the currently used part of the lid space ((highest\_used\_lid - used\_lids) / highest\_used\_lid) | | content.proton.documentdb.removed.lid\_space.lid\_limit | documentid | The size of the allocated lid space | | content.proton.documentdb.removed.lid\_space.highest\_used\_lid | documentid | The highest used lid | | content.proton.documentdb.removed.lid\_space.used\_lids | documentid | The number of lids used | | content.proton.documentdb.removed.lid\_space.lowest\_free\_lid | documentid | The lowest free local document id | | content.proton.documentdb.bucket\_move.buckets\_pending | bucket | The number of buckets left to move | | content.proton.resource\_usage.disk | fraction | The relative amount of disk used by this content node (transient usage not included, value in the range [0, 1]). Same value as reported to the cluster controller | | content.proton.resource\_usage.disk\_usage.total | fraction | The total relative amount of disk used by this content node (value in the range [0, 1]) | | content.proton.resource\_usage.disk\_usage.total\_utilization | fraction | The relative amount of disk used compared to the content node disk resource limit | | content.proton.resource\_usage.disk\_usage.transient | fraction | The relative amount of transient disk used by this content node (value in the range [0, 1]) | | content.proton.resource\_usage.disk\_usage.reserved | fraction | The relative amount of reserved disk space for this content node (value in the range [0, 1]) | | content.proton.resource\_usage.disk\_usage.used\_and\_reserved | fraction | The relative amount of disk used and reserved disk space by this content node (transient usage not included, value in the range [0, 1]) | | content.proton.resource\_usage.memory | fraction | The relative amount of memory used by this content node (transient usage not included, value in the range [0, 1]). Same value as reported to the cluster controller | | content.proton.resource\_usage.memory\_usage.total | fraction | The total relative amount of memory used by this content node (value in the range [0, 1]) | | content.proton.resource\_usage.memory\_usage.total\_utilization | fraction | The relative amount of memory used compared to the content node memory resource limit | | content.proton.resource\_usage.memory\_usage.transient | fraction | The relative amount of transient memory used by this content node (value in the range [0, 1]) | | content.proton.resource\_usage.memory\_mappings | file | The number of memory mapped files | | content.proton.resource\_usage.open\_file\_descriptors | file | The number of open files | | content.proton.resource\_usage.feeding\_blocked | binary | Whether feeding is blocked due to resource limits being reached (value is either 0 or 1) | | content.proton.resource\_usage.malloc\_arena | byte | Size of malloc arena | | content.proton.documentdb.attribute.resource\_usage.address\_space | fraction | The max relative address space used among components in all attribute vectors in this document db (value in the range [0, 1]) | | content.proton.documentdb.attribute.resource\_usage.feeding\_blocked | binary | Whether feeding is blocked due to attribute resource limits being reached (value is either 0 or 1) | | content.proton.documentdb.attribute.memory\_usage.allocated\_bytes | byte | The number of allocated bytes | | content.proton.documentdb.attribute.memory\_usage.dead\_bytes | byte | The number of dead bytes (\<= used\_bytes) | | content.proton.documentdb.attribute.memory\_usage.onhold\_bytes | byte | The number of bytes on hold | | content.proton.documentdb.attribute.memory\_usage.used\_bytes | byte | The number of used bytes (\<= allocated\_bytes) | | content.proton.resource\_usage.cpu\_util.setup | fraction | cpu used by system init and (re-)configuration | | content.proton.resource\_usage.cpu\_util.read | fraction | cpu used by reading data from the system | | content.proton.resource\_usage.cpu\_util.write | fraction | cpu used by writing data to the system | | content.proton.resource\_usage.cpu\_util.compact | fraction | cpu used by internal data re-structuring | | content.proton.resource\_usage.cpu\_util.other | fraction | cpu used by work not classified as a specific category | | content.proton.transactionlog.entries | record | The current number of entries in the transaction log | | content.proton.transactionlog.disk\_usage | byte | The disk usage (in bytes) of the transaction log | | content.proton.transactionlog.replay\_time | second | The replay time (in seconds) of the transaction log during start-up | | content.proton.documentdb.ready.document\_store.disk\_usage | byte | Disk space usage in bytes | | content.proton.documentdb.ready.document\_store.disk\_bloat | byte | Disk space bloat in bytes | | content.proton.documentdb.ready.document\_store.max\_bucket\_spread | fraction | Max bucket spread in underlying files (sum(unique buckets in each chunk)/unique buckets in file) | | content.proton.documentdb.ready.document\_store.memory\_usage.allocated\_bytes | byte | The number of allocated bytes | | content.proton.documentdb.ready.document\_store.memory\_usage.used\_bytes | byte | The number of used bytes (\<= allocated\_bytes) | | content.proton.documentdb.ready.document\_store.memory\_usage.dead\_bytes | byte | The number of dead bytes (\<= used\_bytes) | | content.proton.documentdb.ready.document\_store.memory\_usage.onhold\_bytes | byte | The number of bytes on hold | | content.proton.documentdb.notready.document\_store.disk\_usage | byte | Disk space usage in bytes | | content.proton.documentdb.notready.document\_store.disk\_bloat | byte | Disk space bloat in bytes | | content.proton.documentdb.notready.document\_store.max\_bucket\_spread | fraction | Max bucket spread in underlying files (sum(unique buckets in each chunk)/unique buckets in file) | | content.proton.documentdb.notready.document\_store.memory\_usage.allocated\_bytes | byte | The number of allocated bytes | | content.proton.documentdb.notready.document\_store.memory\_usage.used\_bytes | byte | The number of used bytes (\<= allocated\_bytes) | | content.proton.documentdb.notready.document\_store.memory\_usage.dead\_bytes | byte | The number of dead bytes (\<= used\_bytes) | | content.proton.documentdb.notready.document\_store.memory\_usage.onhold\_bytes | byte | The number of bytes on hold | | content.proton.documentdb.removed.document\_store.disk\_usage | byte | Disk space usage in bytes | | content.proton.documentdb.removed.document\_store.disk\_bloat | byte | Disk space bloat in bytes | | content.proton.documentdb.removed.document\_store.max\_bucket\_spread | fraction | Max bucket spread in underlying files (sum(unique buckets in each chunk)/unique buckets in file) | | content.proton.documentdb.removed.document\_store.memory\_usage.allocated\_bytes | byte | The number of allocated bytes | | content.proton.documentdb.removed.document\_store.memory\_usage.used\_bytes | byte | The number of used bytes (\<= allocated\_bytes) | | content.proton.documentdb.removed.document\_store.memory\_usage.dead\_bytes | byte | The number of dead bytes (\<= used\_bytes) | | content.proton.documentdb.removed.document\_store.memory\_usage.onhold\_bytes | byte | The number of bytes on hold | | content.proton.documentdb.ready.document\_store.cache.elements | item | Number of elements in the cache | | content.proton.documentdb.ready.document\_store.cache.memory\_usage | byte | Memory usage of the cache (in bytes) | | content.proton.documentdb.ready.document\_store.cache.hit\_rate | fraction | Rate of hits in the cache compared to number of lookups | | content.proton.documentdb.ready.document\_store.cache.lookups | operation | Number of lookups in the cache (hits + misses) | | content.proton.documentdb.ready.document\_store.cache.invalidations | operation | Number of invalidations (erased elements) in the cache. | | content.proton.documentdb.notready.document\_store.cache.elements | item | Number of elements in the cache | | content.proton.documentdb.notready.document\_store.cache.memory\_usage | byte | Memory usage of the cache (in bytes) | | content.proton.documentdb.notready.document\_store.cache.hit\_rate | fraction | Rate of hits in the cache compared to number of lookups | | content.proton.documentdb.notready.document\_store.cache.lookups | operation | Number of lookups in the cache (hits + misses) | | content.proton.documentdb.notready.document\_store.cache.invalidations | operation | Number of invalidations (erased elements) in the cache. | | content.proton.documentdb.removed.document\_store.cache.elements | item | Number of elements in the cache | | content.proton.documentdb.removed.document\_store.cache.hit\_rate | fraction | Rate of hits in the cache compared to number of lookups | | content.proton.documentdb.removed.document\_store.cache.invalidations | item | Number of invalidations (erased elements) in the cache. | | content.proton.documentdb.removed.document\_store.cache.lookups | operation | Number of lookups in the cache (hits + misses) | | content.proton.documentdb.removed.document\_store.cache.memory\_usage | byte | Memory usage of the cache (in bytes) | | content.proton.documentdb.ready.attribute.memory\_usage.allocated\_bytes | byte | The number of allocated bytes | | content.proton.documentdb.ready.attribute.memory\_usage.used\_bytes | byte | The number of used bytes (\<= allocated\_bytes) | | content.proton.documentdb.ready.attribute.memory\_usage.dead\_bytes | byte | The number of dead bytes (\<= used\_bytes) | | content.proton.documentdb.ready.attribute.memory\_usage.onhold\_bytes | byte | The number of bytes on hold | | content.proton.documentdb.ready.attribute.disk\_usage | byte | Disk space usage (in bytes) of the flushed snapshot of this attribute for this document type | | content.proton.documentdb.notready.attribute.memory\_usage.allocated\_bytes | byte | The number of allocated bytes | | content.proton.documentdb.notready.attribute.memory\_usage.used\_bytes | byte | The number of used bytes (\<= allocated\_bytes) | | content.proton.documentdb.notready.attribute.memory\_usage.dead\_bytes | byte | The number of dead bytes (\<= used\_bytes) | | content.proton.documentdb.notready.attribute.memory\_usage.onhold\_bytes | byte | The number of bytes on hold | | content.proton.index.cache.postinglist.elements | item | Number of elements in the cache. Contains disk index posting list files across all document types | | content.proton.index.cache.postinglist.memory\_usage | byte | Memory usage of the cache (in bytes). Contains disk index posting list files across all document types | | content.proton.index.cache.postinglist.hit\_rate | fraction | Rate of hits in the cache compared to number of lookups. Contains disk index posting list files across all document types | | content.proton.index.cache.postinglist.lookups | operation | Number of lookups in the cache (hits + misses). Contains disk index posting list files across all document types | | content.proton.index.cache.postinglist.invalidations | operation | Number of invalidations (erased elements) in the cache. Contains disk index posting list files across all document types | | content.proton.index.cache.bitvector.elements | item | Number of elements in the cache. Contains disk index bitvector files across all document types | | content.proton.index.cache.bitvector.memory\_usage | byte | Memory usage of the cache (in bytes). Contains disk index bitvector files across all document types | | content.proton.index.cache.bitvector.hit\_rate | fraction | Rate of hits in the cache compared to number of lookups. Contains disk index bitvector files across all document types | | content.proton.index.cache.bitvector.lookups | operation | Number of lookups in the cache (hits + misses). Contains disk index bitvector files across all document types | | content.proton.index.cache.bitvector.invalidations | operation | Number of invalidations (erased elements) in the cache. Contains disk index bitvector files across all document types | | content.proton.documentdb.index.memory\_usage.allocated\_bytes | byte | The number of allocated bytes for the memory index for this document type | | content.proton.documentdb.index.memory\_usage.used\_bytes | byte | The number of used bytes (\<= allocated\_bytes) for the memory index for this document type | | content.proton.documentdb.index.memory\_usage.dead\_bytes | byte | The number of dead bytes (\<= used\_bytes) for the memory index for this document type | | content.proton.documentdb.index.memory\_usage.onhold\_bytes | byte | The number of bytes on hold for the memory index for this document type | | content.proton.documentdb.index.disk\_usage | byte | Disk space usage (in bytes) of all disk indexes for this document type | | content.proton.documentdb.index.indexes | item | Number of disk or memory indexes | | content.proton.documentdb.index.io.search.read\_bytes | byte | Bytes read from disk index posting list and bitvector files as part of search for this document type | | content.proton.documentdb.index.io.search.cached\_read\_bytes | byte | Bytes read from cached disk index posting list and bitvector files as part of search for this document type | | content.proton.documentdb.ready.index.memory\_usage.allocated\_bytes | byte | The number of allocated bytes for this index field in the memory index for this document type | | content.proton.documentdb.ready.index.disk\_usage | byte | Disk space usage (in bytes) of this index field in all disk indexes for this document type | | content.proton.documentdb.matching.queries | query | Number of queries executed | | content.proton.documentdb.matching.approximate\_nns\_timed\_out\_queries | query | Number of queries hitting the approximate nearest-neighbor search timeout | | content.proton.documentdb.matching.soft\_doomed\_queries | query | Number of queries hitting the soft timeout | | content.proton.documentdb.matching.query\_latency | second | Total average latency (sec) when matching and ranking a query | | content.proton.documentdb.matching.query\_setup\_time | second | Average time (sec) spent setting up and tearing down queries | | content.proton.documentdb.matching.query\_approximate\_nns\_time | second | Average time (sec) spent on approximate nearest-neighbor search in queries that perform such searches | | content.proton.documentdb.matching.docs\_matched | document | Number of documents matched | | content.proton.documentdb.matching.docs\_ranked | document | Number of documents ranked (first phase) | | content.proton.documentdb.matching.docs\_reranked | document | Number of documents re-ranked (second phase) | | content.proton.documentdb.matching.exact\_nns\_distances\_computed | distance | Number of distances computed in exact nearest-neighbor search | | content.proton.documentdb.matching.approximate\_nns\_distances\_computed | distance | Number of distances computed in approximate nearest-neighbor search | | content.proton.documentdb.matching.approximate\_nns\_nodes\_visited | graph\_node | Number of nodes visited in approximate nearest-neighbor search | | content.proton.documentdb.matching.rank\_profile.queries | query | Number of queries executed | | content.proton.documentdb.matching.rank\_profile.approximate\_nns\_timed\_out\_queries | query | Number of queries hitting the approximate nearest-neighbor search timeout | | content.proton.documentdb.matching.rank\_profile.soft\_doomed\_queries | query | Number of queries hitting the soft timeout | | content.proton.documentdb.matching.rank\_profile.soft\_doom\_factor | fraction | Factor used to compute soft-timeout | | content.proton.documentdb.matching.rank\_profile.query\_latency | second | Total average latency (sec) when matching and ranking a query | | content.proton.documentdb.matching.rank\_profile.query\_setup\_time | second | Average time (sec) spent setting up and tearing down queries | | content.proton.documentdb.matching.rank\_profile.query\_approximate\_nns\_time | second | Average time (sec) spent on approximate nearest-neighbor search in queries that perform such searches | | content.proton.documentdb.matching.rank\_profile.grouping\_time | second | Average time (sec) spent on grouping | | content.proton.documentdb.matching.rank\_profile.rerank\_time | second | Average time (sec) spent on 2nd phase ranking | | content.proton.documentdb.matching.rank\_profile.docs\_matched | document | Number of documents matched | | content.proton.documentdb.matching.rank\_profile.docs\_ranked | document | Number of documents ranked (first phase) | | content.proton.documentdb.matching.rank\_profile.docs\_reranked | document | Number of documents re-ranked (second phase) | | content.proton.documentdb.matching.rank\_profile.exact\_nns\_distances\_computed | distance | Number of distances computed in exact nearest-neighbor search | | content.proton.documentdb.matching.rank\_profile.approximate\_nns\_distances\_computed | distance | Number of distances computed in approximate nearest-neighbor search | | content.proton.documentdb.matching.rank\_profile.approximate\_nns\_nodes\_visited | graph\_node | Number of nodes visited in approximate nearest-neighbor search | | content.proton.documentdb.matching.rank\_profile.limited\_queries | query | Number of queries limited in match phase | | content.proton.documentdb.matching.rank\_profile.docid\_partition.active\_time | second | Time (sec) spent doing actual work | | content.proton.documentdb.matching.rank\_profile.docid\_partition.docs\_matched | document | Number of documents matched | | content.proton.documentdb.matching.rank\_profile.docid\_partition.docs\_ranked | document | Number of documents ranked (first phase) | | content.proton.documentdb.matching.rank\_profile.docid\_partition.docs\_reranked | document | Number of documents re-ranked (second phase) | | content.proton.documentdb.matching.rank\_profile.docid\_partition.wait\_time | second | Time (sec) spent waiting for other external threads and resources | | content.proton.documentdb.matching.rank\_profile.match\_time | second | Average time (sec) for matching a query (1st phase) | | content.proton.documentdb.feeding.commit.operations | operation | Number of operations included in a commit | | content.proton.documentdb.feeding.commit.latency | second | Latency for commit in seconds | | content.proton.session\_cache.grouping.num\_cached | session | Number of currently cached sessions | | content.proton.session\_cache.grouping.num\_dropped | session | Number of dropped cached sessions | | content.proton.session\_cache.grouping.num\_insert | session | Number of inserted sessions | | content.proton.session\_cache.grouping.num\_pick | session | Number if picked sessions | | content.proton.session\_cache.grouping.num\_timedout | session | Number of timed out sessions | | content.proton.session\_cache.search.num\_cached | session | Number of currently cached sessions | | content.proton.session\_cache.search.num\_dropped | session | Number of dropped cached sessions | | content.proton.session\_cache.search.num\_insert | session | Number of inserted sessions | | content.proton.session\_cache.search.num\_pick | session | Number if picked sessions | | content.proton.session\_cache.search.num\_timedout | session | Number of timed out sessions | | metricmanager.periodichooklatency | millisecond | Time in ms used to update a single periodic hook | | metricmanager.resetlatency | millisecond | Time in ms used to reset all metrics. | | metricmanager.sleeptime | millisecond | Time in ms worker thread is sleeping | | metricmanager.snapshothooklatency | millisecond | Time in ms used to update a single snapshot hook | | metricmanager.snapshotlatency | millisecond | Time in ms used to take a snapshot | Copyright © 2026 - [Cookie Preferences](#)