MongoDB fields
editMongoDB fields
editMetrics collected from MongoDB servers.
mongodb fields
editMongoDB metrics.
collstats fields
editMongoDB collection statistics metrics.
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mongodb.collstats.db
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type: keyword
Database name.
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mongodb.collstats.collection
-
type: keyword
Collection name.
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mongodb.collstats.name
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type: keyword
Combination of database and collection name.
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mongodb.collstats.total.time.us
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type: long
Total waiting time for locks in microseconds.
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mongodb.collstats.total.count
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type: long
Total number of lock wait events.
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mongodb.collstats.lock.read.time.us
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type: long
Time waiting for read locks in microseconds.
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mongodb.collstats.lock.read.count
-
type: long
Number of read lock wait events.
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mongodb.collstats.lock.write.time.us
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type: long
Time waiting for write locks in microseconds.
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mongodb.collstats.lock.write.count
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type: long
Number of write lock wait events.
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mongodb.collstats.queries.time.us
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type: long
Time running queries in microseconds.
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mongodb.collstats.queries.count
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type: long
Number of queries executed.
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mongodb.collstats.getmore.time.us
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type: long
Time asking for more cursor rows in microseconds.
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mongodb.collstats.getmore.count
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type: long
Number of times a cursor asked for more data.
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mongodb.collstats.insert.time.us
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type: long
Time inserting new documents in microseconds.
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mongodb.collstats.insert.count
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type: long
Number of document insert events.
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mongodb.collstats.update.time.us
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type: long
Time updating documents in microseconds.
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mongodb.collstats.update.count
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type: long
Number of document update events.
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mongodb.collstats.remove.time.us
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type: long
Time deleting documents in microseconds.
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mongodb.collstats.remove.count
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type: long
Number of document delete events.
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mongodb.collstats.commands.time.us
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type: long
Time executing database commands in microseconds.
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mongodb.collstats.commands.count
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type: long
Number of database commands executed.
dbstats fields
editdbstats provides an overview of a particular mongo database. This document is most concerned with data volumes of a database.
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mongodb.dbstats.avg_obj_size.bytes
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type: long
format: bytes
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mongodb.dbstats.collections
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type: integer
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mongodb.dbstats.data_size.bytes
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type: long
format: bytes
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mongodb.dbstats.db
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type: keyword
-
mongodb.dbstats.file_size.bytes
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type: long
format: bytes
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mongodb.dbstats.index_size.bytes
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type: long
format: bytes
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mongodb.dbstats.indexes
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type: long
-
mongodb.dbstats.num_extents
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type: long
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mongodb.dbstats.objects
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type: long
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mongodb.dbstats.storage_size.bytes
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type: long
format: bytes
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mongodb.dbstats.ns_size_mb.mb
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type: long
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mongodb.dbstats.data_file_version.major
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type: long
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mongodb.dbstats.data_file_version.minor
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type: long
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mongodb.dbstats.extent_free_list.num
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type: long
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mongodb.dbstats.extent_free_list.size.bytes
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type: long
format: bytes
status fields
editMongoDB server status metrics.
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mongodb.status.version
-
type: keyword
Instance version.
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mongodb.status.uptime.ms
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type: long
Instance uptime in milliseconds.
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mongodb.status.local_time
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type: date
Local time as reported by the MongoDB instance.
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mongodb.status.asserts.regular
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type: long
Number of regular assertions produced by the server.
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mongodb.status.asserts.warning
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type: long
Number of warning assertions produced by the server.
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mongodb.status.asserts.msg
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type: long
Number of msg assertions produced by the server.
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mongodb.status.asserts.user
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type: long
Number of user assertions produced by the server.
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mongodb.status.asserts.rollovers
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type: long
Number of rollovers assertions produced by the server.
background_flushing fields
editData about the process MongoDB uses to write data to disk. This data is only available for instances that use the MMAPv1 storage engine.
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mongodb.status.background_flushing.flushes
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type: long
A counter that collects the number of times the database has flushed all writes to disk.
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mongodb.status.background_flushing.total.ms
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type: long
The total number of milliseconds (ms) that the mongod processes have spent writing (i.e. flushing) data to disk. Because this is an absolute value, consider the value of
flushes
andaverage_ms
to provide better context for this datum. -
mongodb.status.background_flushing.average.ms
-
type: long
The average time spent flushing to disk per flush event.
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mongodb.status.background_flushing.last.ms
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type: long
The amount of time, in milliseconds, that the last flush operation took to complete.
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mongodb.status.background_flushing.last_finished
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type: date
A timestamp of the last completed flush operation.
connections fields
editData regarding the current status of incoming connections and availability of the database server.
-
mongodb.status.connections.current
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type: long
The number of connections to the database server from clients. This number includes the current shell session. Consider the value of
available
to add more context to this datum. -
mongodb.status.connections.available
-
type: long
The number of unused available incoming connections the database can provide.
-
mongodb.status.connections.total_created
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type: long
A count of all incoming connections created to the server. This number includes connections that have since closed.
journaling fields
editData about the journaling-related operations and performance. Journaling information only appears for mongod instances that use the MMAPv1 storage engine and have journaling enabled.
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mongodb.status.journaling.commits
-
type: long
The number of transactions written to the journal during the last journal group commit interval.
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mongodb.status.journaling.journaled.mb
-
type: long
The amount of data in megabytes (MB) written to journal during the last journal group commit interval.
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mongodb.status.journaling.write_to_data_files.mb
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type: long
The amount of data in megabytes (MB) written from journal to the data files during the last journal group commit interval.
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mongodb.status.journaling.compression
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type: long
The compression ratio of the data written to the journal.
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mongodb.status.journaling.commits_in_write_lock
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type: long
Count of the commits that occurred while a write lock was held. Commits in a write lock indicate a MongoDB node under a heavy write load and call for further diagnosis.
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mongodb.status.journaling.early_commits
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type: long
The number of times MongoDB requested a commit before the scheduled journal group commit interval.
times fields
editInformation about the performance of the mongod instance during the various phases of journaling in the last journal group commit interval.
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mongodb.status.journaling.times.dt.ms
-
type: long
The amount of time over which MongoDB collected the times data. Use this field to provide context to the other times field values.
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mongodb.status.journaling.times.prep_log_buffer.ms
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type: long
The amount of time spent preparing to write to the journal. Smaller values indicate better journal performance.
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mongodb.status.journaling.times.write_to_journal.ms
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type: long
The amount of time spent actually writing to the journal. File system speeds and device interfaces can affect performance.
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mongodb.status.journaling.times.write_to_data_files.ms
-
type: long
The amount of time spent writing to data files after journaling. File system speeds and device interfaces can affect performance.
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mongodb.status.journaling.times.remap_private_view.ms
-
type: long
The amount of time spent remapping copy-on-write memory mapped views. Smaller values indicate better journal performance.
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mongodb.status.journaling.times.commits.ms
-
type: long
The amount of time spent for commits.
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mongodb.status.journaling.times.commits_in_write_lock.ms
-
type: long
The amount of time spent for commits that occurred while a write lock was held.
extra_info fields
editPlatform specific data.
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mongodb.status.extra_info.heap_usage.bytes
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type: long
format: bytes
The total size in bytes of heap space used by the database process. Only available on Unix/Linux.
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mongodb.status.extra_info.page_faults
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type: long
The total number of page faults that require disk operations. Page faults refer to operations that require the database server to access data that isn’t available in active memory.
network fields
editPlatform specific data.
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mongodb.status.network.in.bytes
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type: long
format: bytes
The amount of network traffic, in bytes, received by this database.
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mongodb.status.network.out.bytes
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type: long
format: bytes
The amount of network traffic, in bytes, sent from this database.
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mongodb.status.network.requests
-
type: long
The total number of requests received by the server.
opcounters fields
editAn overview of database operations by type.
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mongodb.status.opcounters.insert
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type: long
The total number of insert operations received since the mongod instance last started.
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mongodb.status.opcounters.query
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type: long
The total number of queries received since the mongod instance last started.
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mongodb.status.opcounters.update
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type: long
The total number of update operations received since the mongod instance last started.
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mongodb.status.opcounters.delete
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type: long
The total number of delete operations received since the mongod instance last started.
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mongodb.status.opcounters.getmore
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type: long
The total number of getmore operations received since the mongod instance last started.
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mongodb.status.opcounters.command
-
type: long
The total number of commands issued to the database since the mongod instance last started.
opcounters_replicated fields
editAn overview of database replication operations by type.
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mongodb.status.opcounters_replicated.insert
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type: long
The total number of replicated insert operations received since the mongod instance last started.
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mongodb.status.opcounters_replicated.query
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type: long
The total number of replicated queries received since the mongod instance last started.
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mongodb.status.opcounters_replicated.update
-
type: long
The total number of replicated update operations received since the mongod instance last started.
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mongodb.status.opcounters_replicated.delete
-
type: long
The total number of replicated delete operations received since the mongod instance last started.
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mongodb.status.opcounters_replicated.getmore
-
type: long
The total number of replicated getmore operations received since the mongod instance last started.
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mongodb.status.opcounters_replicated.command
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type: long
The total number of replicated commands issued to the database since the mongod instance last started.
memory fields
editData about the current memory usage of the mongod server.
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mongodb.status.memory.bits
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type: long
Either 64 or 32, depending on which target architecture was specified during the mongod compilation process.
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mongodb.status.memory.resident.mb
-
type: long
The amount of RAM, in megabytes (MB), currently used by the database process.
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mongodb.status.memory.virtual.mb
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type: long
The amount, in megabytes (MB), of virtual memory used by the mongod process.
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mongodb.status.memory.mapped.mb
-
type: long
The amount of mapped memory, in megabytes (MB), used by the database. Because MongoDB uses memory-mapped files, this value is likely to be to be roughly equivalent to the total size of your database or databases.
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mongodb.status.memory.mapped_with_journal.mb
-
type: long
The amount of mapped memory, in megabytes (MB), including the memory used for journaling.
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mongodb.status.write_backs_queued
-
type: boolean
True when there are operations from a mongos instance queued for retrying.
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mongodb.status.storage_engine.name
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type: keyword
A string that represents the name of the current storage engine.
wired_tiger fields
editStatistics about the WiredTiger storage engine.
concurrent_transactions fields
editStatistics about the transactions currently in progress.
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mongodb.status.wired_tiger.concurrent_transactions.write.out
-
type: long
Number of concurrent write transaction in progress.
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mongodb.status.wired_tiger.concurrent_transactions.write.available
-
type: long
Number of concurrent write tickets available.
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mongodb.status.wired_tiger.concurrent_transactions.write.total_tickets
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type: long
Number of total write tickets.
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mongodb.status.wired_tiger.concurrent_transactions.read.out
-
type: long
Number of concurrent read transaction in progress.
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mongodb.status.wired_tiger.concurrent_transactions.read.available
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type: long
Number of concurrent read tickets available.
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mongodb.status.wired_tiger.concurrent_transactions.read.total_tickets
-
type: long
Number of total read tickets.
cache fields
editStatistics about the cache and page evictions from the cache.
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mongodb.status.wired_tiger.cache.maximum.bytes
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type: long
format: bytes
Maximum cache size.
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mongodb.status.wired_tiger.cache.used.bytes
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type: long
format: bytes
Size in byte of the data currently in cache.
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mongodb.status.wired_tiger.cache.dirty.bytes
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type: long
format: bytes
Size in bytes of the dirty data in the cache.
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mongodb.status.wired_tiger.cache.pages.read
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type: long
Number of pages read into the cache.
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mongodb.status.wired_tiger.cache.pages.write
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type: long
Number of pages written from the cache.
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mongodb.status.wired_tiger.cache.pages.evicted
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type: long
Number of pages evicted from the cache.
log fields
editStatistics about the write ahead log used by WiredTiger.
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mongodb.status.wired_tiger.log.size.bytes
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type: long
format: bytes
Total log size in bytes.
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mongodb.status.wired_tiger.log.write.bytes
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type: long
format: bytes
Number of bytes written into the log.
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mongodb.status.wired_tiger.log.max_file_size.bytes
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type: long
format: bytes
Maximum file size.
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mongodb.status.wired_tiger.log.flushes
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type: long
Number of flush operations.
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mongodb.status.wired_tiger.log.writes
-
type: long
Number of write operations.
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mongodb.status.wired_tiger.log.scans
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type: long
Number of scan operations.
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mongodb.status.wired_tiger.log.syncs
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type: long
Number of sync operations.