IMPALA指标的详细信息_开源大数据平台 E-MapReduce(EMR)-阿里云帮助中心

本文为您介绍IMPALA指标的详细信息。

参数	指标	描述
Total memory	impala_memory_total_used	已使用内存。单位：Byte。
Total bytes of memory mappings in this process (the virtual memory size)	impala_memory_mapped_bytes	进程中内存映射的总字节数（虚拟内存大小）。单位：Byte。
Resident set size (RSS) of this process, including TCMalloc, buffer pool and Jvm	impala_memory_rss	进程的常驻集大小（RSS），包括TCMalloc、缓冲池和JVM。单位：Byte。说明由于SLS时序库的限制，如果同一小时内监控曲线出现跳变，属于正常现象。详情请参见已写入时序数据，使用PromQL为什么查不到数据？。
The number of assignments	impala_simple_scheduler_assignments_total	作业数。
Number of assignments operating on local data	impala_simple_scheduler_local_assignments_total	本地作业数。
Number of senders waiting for receiving fragment to initialize	impala_senders_blocked_on_recvr_creation	等待接收片段初始化的发送者数量。
Total number of senders that have been blocked waiting for receiving fragment to initialize	impala_total_senders_blocked_on_recvr_creation	已被阻止等待接收片段初始化的发件人总数。
Total number of senders that timed-out waiting for receiving fragment to initialize	impala_total_senders_timedout_waiting_for_recvr_creation	超时等待接收片段初始化的发送者总数。
Total number of backends registered with the statestore	impala_cluster_membership_backends_total	向statestore注册的后端总数。
Total number of executor groups that have at least one executor	impala_cluster_membership_executor_groups_total	至少有一个执行程序的执行程序组总数。
Total number of executor groups that are in a healthy state, that is, have at least the configured minimum number of executors to be considered for admission	impala_cluster_membership_executor_groups_total_healthy	处于健康状态的执行器组总数，即至少具有配置的最小执行器数量以考虑准入。
Memtracker ControlService Current Usage Bytes	impala_mem_tracker_ControlService_current_usage_bytes	Memtracker ControlService当前使用字节数。单位：Byte。
Memtracker ControlService Peak Usage Bytes	impala_mem_tracker_ControlService_peak_usage_bytes	Memtracker ControlService峰值使用字节数。单位：Byte。
Memtracker DataStreamService Current Usage Bytes	impala_mem_tracker_DataStreamService_current_usage_bytes	Memtracker DataStreamService当前使用字节数。单位：Byte。
Memtracker DataStreamService Peak Usage Bytes	impala_mem_tracker_DataStreamService_peak_usage_bytes	Memtracker DataStreamService峰值使用字节数。单位：Byte。
Service ControlService: Total number of incoming RPCs that were rejected due to overflow of the service queue	impala_rpc_impala_ControlService_rpcs_queue_overflow	Service ControlService：由于服务队列溢出而被拒绝的传入RPC总数。
Service DataStreamService: Total number of incoming RPCs that were rejected due to overflow of the service queue	impala_rpc_impala_DataStreamService_rpcs_queue_overflow	Service DataStreamService：由于服务队列溢出而被拒绝的传入RPC总数。
The total number of queries that executed on this backend over the life of the process	impala_impala_server_backend_num_queries_executed	在进程的生命周期内在后端执行的查询总数。
The number of queries currently executing on this backend	impala_impala_server_backend_num_queries_executing	当前在后端上执行的查询数。
The total number of hedged reads attempted over the life of the process	impala_impala_server_hedged_read_ops	在进程生命周期内尝试的对冲读取总数。
The total number of times hedged reads were faster than regular read operations	impala_impala_server_hedged_read_ops_win	对冲读取比常规读取操作快的总次数。
The number of HDFS files currently open for writing	impala_impala_server_num_files_open_for_insert	当前为写入而打开的HDFS文件数。
The total number of query fragments processed over the life of the process	impala_impala_server_num_fragments	在进程生命周期内处理的查询片段总数。
The number of query fragment instances currently executing	impala_impala_server_num_fragments_in_flight	当前正在执行的查询片段实例的数量。
The number of open Beeswax sessions	impala_impala_server_num_open_beeswax_sessions	打开Beeswax会话的数量。
The number of open HiveServer2 sessions	impala_impala_server_num_open_hiveserver2_sessions	打开的HiveServer2会话数。
The total number of queries processed over the life of the process	impala_impala_server_num_queries	在进程生命周期内处理的查询总数。
Number of queries expired due to inactivity	impala_impala_server_num_queries_expired	由于不活动而过期的查询数。
The total number of queries registered on this Impala server instance. Includes queries that are in flight and waiting to be closed	impala_impala_server_num_queries_registered	在Impala服务器实例上注册的查询总数。包括正在进行中并等待关闭的查询。
Number of queries for which any operator spilled	impala_impala_server_num_queries_spilled	任何运算符溢出的查询数。
Number of sessions expired due to inactivity	impala_impala_server_num_sessions_expired	由于不活动而过期的会话数。
The total number of scan ranges read over the life of the process that did not have volume metadata	impala_impala_server_scan_ranges_num_missing_volume_id	在没有卷元数据的进程生命周期内读取的扫描范围总数。
The total number of scan ranges read over the life of the process	impala_impala_server_scan_ranges_total	在进程生命周期内读取的扫描范围总数。
Distribution of DDL operation latencies P50	impala_impala_server_ddl_durations_ms_50th	50%的DDL操作时延分布。单位：毫秒。
Distribution of DDL operation latencies P75	impala_impala_server_ddl_durations_ms_75th	75%的DDL操作时延分布。单位：毫秒。
Distribution of DDL operation latencies P90	impala_impala_server_ddl_durations_ms_90th	90%的DDL操作时延分布。单位：毫秒。
Distribution of DDL operation latencies P95	impala_impala_server_ddl_durations_ms_95th	95%的DDL操作时延分布。单位：毫秒。
Distribution of DDL operation latencies P99	impala_impala_server_ddl_durations_ms_99_9th	99%的DDL操作时延分布。单位：毫秒。
Distribution of query latencies P50	impala_impala_server_query_durations_ms_50th	50%的查询延迟分布。单位：毫秒。
Distribution of query latencies P75	impala_impala_server_query_durations_ms_75th	75%的查询延迟分布。单位：毫秒。
Distribution of query latencies P90	impala_impala_server_query_durations_ms_90th	90%的查询延迟分布。单位：毫秒。
Distribution of query latencies P95	impala_impala_server_query_durations_ms_95th	95%的查询延迟分布。单位：毫秒。
Distribution of query latencies P99	impala_impala_server_query_durations_ms_99_9th	99%的查询延迟分布。单位：毫秒。
Cluster in flight queries	impala_num_in_flight_queries	集群正在in fight状态的查询数。
Cluster executing queries	impala_num_executing_queries	当前executing的查询数。
Cluster waiting queries	impala_num_waiting_queries	当前waiting的查询数。