Cloudera Enterprise 6.0.x | Other versions

Impala Catalog Server Metrics

In addition to these base metrics, many aggregate metrics are available. If an entity type has parents defined, you can formulate all possible aggregate metrics using the formula base_metric_across_parents.

In addition, metrics for aggregate totals can be formed by adding the prefix total_ to the front of the metric name.

Use the type-ahead feature in the Cloudera Manager chart browser to find the exact aggregate metric name, in case the plural form does not end in "s".

For example, the following metric names may be valid for Impala Catalog Server:

  • alerts_rate_across_clusters
  • total_alerts_rate_across_clusters

Some metrics, such as alerts_rate, apply to nearly every metric context. Others only apply to a certain service or role.

For more information about metrics, see Cloudera Manager Metrics and Metric Aggregation.

Metric Name Description Unit Parents CDH Version
alerts_rate The number of alerts. events per second cluster, impala, rack CDH 5, CDH 6
cgroup_cpu_system_rate CPU usage of the role's cgroup seconds per second cluster, impala, rack CDH 5, CDH 6
cgroup_cpu_user_rate User Space CPU usage of the role's cgroup seconds per second cluster, impala, rack CDH 5, CDH 6
cgroup_mem_page_cache Page cache usage of the role's cgroup bytes cluster, impala, rack CDH 5, CDH 6
cgroup_mem_rss Resident memory of the role's cgroup bytes cluster, impala, rack CDH 5, CDH 6
cgroup_mem_swap Swap usage of the role's cgroup bytes cluster, impala, rack CDH 5, CDH 6
cgroup_read_bytes_rate Bytes read from all disks by the role's cgroup bytes per second cluster, impala, rack CDH 5, CDH 6
cgroup_read_ios_rate Number of read I/O operations from all disks by the role's cgroup ios per second cluster, impala, rack CDH 5, CDH 6
cgroup_write_bytes_rate Bytes written to all disks by the role's cgroup bytes per second cluster, impala, rack CDH 5, CDH 6
cgroup_write_ios_rate Number of write I/O operations to all disks by the role's cgroup ios per second cluster, impala, rack CDH 5, CDH 6
cpu_system_rate Total System CPU seconds per second cluster, impala, rack CDH 5, CDH 6
cpu_user_rate Total CPU user time seconds per second cluster, impala, rack CDH 5, CDH 6
events_critical_rate The number of critical events. events per second cluster, impala, rack CDH 5, CDH 6
events_important_rate The number of important events. events per second cluster, impala, rack CDH 5, CDH 6
events_informational_rate The number of informational events. events per second cluster, impala, rack CDH 5, CDH 6
fd_max Maximum number of file descriptors file descriptors cluster, impala, rack CDH 5, CDH 6
fd_open Open file descriptors. file descriptors cluster, impala, rack CDH 5, CDH 6
health_bad_rate Percentage of Time with Bad Health seconds per second cluster, impala, rack CDH 5, CDH 6
health_concerning_rate Percentage of Time with Concerning Health seconds per second cluster, impala, rack CDH 5, CDH 6
health_disabled_rate Percentage of Time with Disabled Health seconds per second cluster, impala, rack CDH 5, CDH 6
health_good_rate Percentage of Time with Good Health seconds per second cluster, impala, rack CDH 5, CDH 6
health_unknown_rate Percentage of Time with Unknown Health seconds per second cluster, impala, rack CDH 5, CDH 6
impala_catalogserver_jvm_heap_committed_usage_bytes Jvm heap Committed Usage Bytes bytes cluster, impala, rack CDH 5, CDH 6
impala_catalogserver_jvm_heap_current_usage_bytes Jvm heap Current Usage Bytes bytes cluster, impala, rack CDH 5, CDH 6
impala_catalogserver_jvm_heap_init_usage_bytes JVM heap Init Usage Bytes bytes cluster, impala, rack CDH 5, CDH 6
impala_catalogserver_jvm_heap_max_usage_bytes JVM heap Max Usage Bytes bytes cluster, impala, rack CDH 5, CDH 6
mem_rss Resident memory used bytes cluster, impala, rack CDH 5, CDH 6
mem_swap Amount of swap memory used by this role's process. bytes cluster, impala, rack CDH 5, CDH 6
mem_virtual Virtual memory used bytes cluster, impala, rack CDH 5, CDH 6
oom_exits_rate The number of times the role's backing process was killed due to an OutOfMemory error. This counter is only incremented if the Cloudera Manager "Kill When Out of Memory" option is enabled. exits per second cluster, impala, rack CDH 5, CDH 6
read_bytes_rate The number of bytes read from the device bytes per second cluster, impala, rack CDH 5, CDH 6
statestore_subscriber_heartbeat_interval_time_last The most recent interval between heartbeats from this Impala Daemon to the StateStore. seconds   CDH 5, CDH 6
statestore_subscriber_heartbeat_interval_time_max The maximum interval between heartbeats from this Impala Daemon to the StateStore. This is calculated over the lifetime of the Impala Daemon. seconds   CDH 5, CDH 6
statestore_subscriber_heartbeat_interval_time_mean The average interval between heartbeats from this Impala Daemon to the StateStore. This is calculated over the lifetime of the Impala Daemon. seconds   CDH 5, CDH 6
statestore_subscriber_heartbeat_interval_time_min The minimum interval between heartbeats from this Impala Daemon to the StateStore. This is calculated over the lifetime of the Impala Daemon. seconds   CDH 5, CDH 6
statestore_subscriber_heartbeat_interval_time_rate The total number of samples taken of the Impala Daemon's StateStore heartbeat interval. samples per second   CDH 5, CDH 6
statestore_subscriber_heartbeat_interval_time_stddev The standard deviation in the interval between heartbeats from this Impala Daemon to the StateStore. This is calculated over the lifetime of the Impala Daemon. seconds   CDH 5, CDH 6
statestore_subscriber_last_recovery_duration The amount of time the StateStore subscriber took to recover the connection the last time it was lost. seconds cluster, impala, rack CDH 5, CDH 6
statestore_subscriber_statestore_client_cache_clients_in_use The number of active StateStore subscriber clients in this Impala Daemon's client cache. These clients are for communication from this role to the StateStore. connections cluster, impala, rack CDH 5, CDH 6
statestore_subscriber_statestore_client_cache_total_clients The total number of StateStore subscriber clients in this Impala Daemon's client cache. These clients are for communication from this role to the StateStore. connections cluster, impala, rack CDH 5, CDH 6
tcmalloc_bytes_in_use Number of bytes used by the application. This will not typically match the memory use reported by the OS, because it does not include TCMalloc overhead or memory fragmentation. bytes cluster, impala, rack CDH 5, CDH 6
tcmalloc_pageheap_free_bytes Number of bytes in free, mapped pages in page heap. These bytes can be used to fulfill allocation requests. They always count towards virtual memory usage, and unless the underlying memory is swapped out by the OS, they also count towards physical memory usage. bytes cluster, impala, rack CDH 5, CDH 6
tcmalloc_pageheap_unmapped_bytes Number of bytes in free, unmapped pages in page heap. These are bytes that have been released back to the OS, possibly by one of the MallocExtension "Release" calls. They can be used to fulfill allocation requests, but typically incur a page fault. They always count towards virtual memory usage, and depending on the OS, typically do not count towards physical memory usage. bytes cluster, impala, rack CDH 5, CDH 6
tcmalloc_physical_bytes_reserved Derived metric computing the amount of physical memory (in bytes) used by the process, including that actually in use and free bytes reserved by tcmalloc. Does not include the tcmalloc metadata. bytes cluster, impala, rack CDH 5, CDH 6
tcmalloc_total_bytes_reserved Bytes of system memory reserved by TCMalloc. bytes cluster, impala, rack CDH 5, CDH 6
thrift_server_catalog_service_connections_in_use The number of active catalog service connections to this Catalog Server. connections cluster, impala, rack CDH 5, CDH 6
thrift_server_catalog_service_connections_rate The total number of connections made to this Catalog Server's catalog service over its lifetime. connections per second cluster, impala, rack CDH 5, CDH 6
unexpected_exits_rate The number of times the role's backing process exited unexpectedly. exits per second cluster, impala, rack CDH 5, CDH 6
uptime For a host, the amount of time since the host was booted. For a role, the uptime of the backing process. seconds cluster, impala, rack CDH 5, CDH 6
write_bytes_rate The number of bytes written to the device bytes per second cluster, impala, rack CDH 5, CDH 6
Page generated July 25, 2018.