Impala Daemon Metrics

Metric Name Description Unit CDH Version
alerts Alerts events CDH4
assignments_total The total number of assignments assignments CDH4
backends_client_cache_clients_in_use The number of active Impala Backend clients for communication from this Impala Daemon with other Impala Daemons. clients CDH4
backends_client_cache_total_clients The total number of Impala Backend clients made by this Impala Daemon over its lifetime for communication with other Impala Daemons. clients CDH4
cgroup_mem_page_cache Page cache usage of the role's cgroup bytes CDH4
cgroup_mem_rss Resident memory of the role's cgroup bytes CDH4
cgroup_mem_swap Swap usage of the role's cgroup bytes CDH4
cgroup_read_bytes Bytes read from all disks by the role's cgroup bytes CDH4
cgroup_read_ios Number of read I/O operations from all disks by the role's cgroup ios CDH4
cgroup_total_cpu_system CPU usage of the role's cgroup seconds CDH4
cgroup_total_cpu_user User Space CPU usage of the role's cgroup seconds CDH4
cgroup_write_bytes Bytes written to all disks by the role's cgroup bytes CDH4
cgroup_write_ios Number of write I/O operations to all disks by the role's cgroup ios CDH4
events_critical Critical Events events CDH4
events_important Important Events events CDH4
events_informational Informational Events events CDH4
fd_max Maximum number of file descriptors file descriptors CDH4
fd_open Open file descriptors file descriptors CDH4
host_health The health of the host on which the role runs kaiser health CDH4
host_subject_status_1 Field containing subject specific status information subject status CDH4
host_subject_status_10 Field containing subject specific status information subject status CDH4
host_subject_status_2 Field containing subject specific status information subject status CDH4
host_subject_status_3 Field containing subject specific status information subject status CDH4
host_subject_status_4 Field containing subject specific status information subject status CDH4
host_subject_status_5 Field containing subject specific status information subject status CDH4
host_subject_status_6 Field containing subject specific status information subject status CDH4
host_subject_status_7 Field containing subject specific status information subject status CDH4
host_subject_status_8 Field containing subject specific status information subject status CDH4
host_subject_status_9 Field containing subject specific status information subject status CDH4
io_mgr_num_buffers The curent number of IO buffers shared by all queries buffers CDH4
io_mgr_num_open_files The current number of files opened for IO files CDH4
local_assignments_total Number of assignments operating on local data assignments CDH4
mem_pool_total_bytes The current size of the memory pool shared by all queries bytes CDH4
mem_rss Resident memory used bytes CDH4
mem_virtual Virtual memory used bytes CDH4
num_fragments The total number of query fragments processed over the life of the process query fragments CDH4
num_queries The total number of queries processed over the life of the process queries CDH4
scan_ranges_num_missing_volume_id The total number of scan ranges read over the life of the process that did not have volume metadata scan ranges CDH4
scan_ranges_total The total number of scan ranges read over the life of the process scan ranges CDH4
slave_master_connectivity Indicates whether the master node detects the slave as connected master connectivity CDH4
thrift_server_backend_connections_in_use The number of active Impala Backend client connections to this Impala Daemon. connections CDH4
thrift_server_backend_total_connections The total number of Impala Backend client connections made to this Impala Daemon over its lifetime. connections CDH4
thrift_server_beeswax_frontend_connections_in_use The number of active Beeswax API connections to this Impala Daemon. connections CDH4
thrift_server_beeswax_frontend_total_connections The total number of Beeswax API connections made to this Impala Daemon over its lifetime. connections CDH4
thrift_server_hive_server2_frontend_connections_in_use The number of active HiveServer2 API connections to this Impala Daemon. connections CDH4
thrift_server_hive_server2_frontend_total_connections The total number of HiveServer2 API connections made to this Impala Daemon over its lifetime. connections CDH4
total_cpu_system Total System CPU seconds CDH4
total_cpu_user Total CPU user time seconds CDH4
unexpected_exits Unexpected rocess exits unexpected exits CDH4
web_metrics_collection_duration Web Server Responsiveness ms CDH4
web_metrics_collection_status Web Metric Collection Status metric collection status CDH4