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ALM-12110 Failed to get ECS temporary AK/SK Alarm Description Meta calls the ECS API to obtain the AK/SK information every 5 minutes and caches the information. Before the AK/SK expires, Meta calls the API again to update it. This alarm is generated when Meta fails to call the API
ALM-12068 ACS Resource Exception Alarm Description HA checks the ACS resources of Manager every 80 seconds. This alarm is generated when HA detects that the ACS resources are abnormal for two consecutive times. This alarm is cleared when HA detects that the ACS resources are normal
ECS Specifications Used by MRS MRS uses ECSs of the following types in different application scenarios. General computing-plus: C3, C3ne, C6, and C6s Memory-optimized: M3, and M6 Ultra-high I/O: I3 and IR3 Kunpeng general computing-plus: KC1 ECS Flavor Naming Rules AB.C.D Example:
ALM-16047 HiveServer Has Been Deregistered from ZooKeeper Alarm Description The system checks the Hive service every 60 seconds. This alarm is generated when Hive registration information on ZooKeeper is lost or Hive cannot connect to ZooKeeper. Alarm Attributes Alarm ID Alarm Severity
ALM-12206 Password Has Expired Alarm Description The system checks whether a user password has expired at 1:00 a.m. every day. This alarm is generated when a user password has expired. This alarm is cleared when the user password in the system is within the validity period. This alarm
ALM-45481 KuduTserver Has Full Disks The system checks Kudu disk metrics every 60 seconds. This alarm is generated when the number of fully occupied disks for a Tserver is not 0. This alarm is automatically cleared when the number of fully occupied disks for the Tserver becomes 0.
ECS Specifications Supported by MRS Clusters MRS uses ECSs of the following types in different application scenarios. General computing-plus: C3, C3ne, C6, and C6s Memory-optimized: M3, and M6 Ultra-high I/O: I3 and IR3 Kunpeng general computing-plus: KC1 MRS uses the following BMS
ALM-24012 Flume Certificate File Has Expired This section applies to MRS 3.2.0 or later. Alarm Description Flume checks whether its certificate file in the system has expired every hour. This alarm is generated when the server certificate has expired. This alarm is automatically cleared
ALM-45655 Flink HA Certificate File Has Expired This section applies to MRS 3.3.0 or later. Alarm Description Flink checks whether the HA certificate file has expired in the first health check or at 01:00:00 every day. This alarm is generated when the HA certificate has expired. This
What Should I Do if the Client Has No Response after a MapReduce Job is Submitted? Question What should I do if the client has no response for a long time after the MapReduce job is submitted to the Yarn server? Answer ResourceManager provides diagnosis information about key steps
ALM-45741 Failed to Call the ECS securitykey API This section applies only to MRS 3.2.1 or later. Alarm Description Guardian caches the temporary AK/SK of the ECS agency. When the cache does not exist or is about to expire, Guardian calls the securitykey API of ECS to update the AK
How Do I Handle the Problem that MapReduce Task Has No Progress for a Long Time? Question The MapReduce task has no progress for a long time. Answer Generally, this is caused by insufficient memory. If the memory is small, it takes a long time to copy the map output. To reduce the
Why Does a New Application Fail If a NodeManager Has Been in Unhealthy Status for 10 Minutes? Question Why does a new application fail if a NodeManager has been in unhealthy status for 10 minutes? Answer When nodeSelectPolicy is set to SEQUENCE and the first NodeManager connected
ALM-24015 Flume MonitorServer Certificate File Has Expired This section applies to MRS 3.2.0 or later. Alarm Description MonitorServer checks whether its certificate file in the system has expired every hour. This alarm is generated when the server certificate has expired. This alarm
Why Does My Unsubscription from ECS Fail After I Unsubscribe from MRS? Check that the ECS ID is not used by an MRS cluster in use. On the ECS console, find the ECS to be unsubscribed from and click Locked by MRS to unlock it. Click Unsubscribe again. If the unsubscription still fails
Why Does My Unsubscription from ECS Fail After I Unsubscribe from MRS? Question: Why Does My Unsubscription from ECS Fail After I Unsubscribe from MRS? Answer: Check that the ECS ID is not used by an MRS cluster in use. On the ECS console, find the ECS to be unsubscribed from and
How Do I Restore the Latest tablestatus File That Has Been Lost or Damaged When TableStatus Versioning Is Enabled? Question When the TableStatus versioning feature is enabled, how do I restore the latest tablestatus file if it is lost or damaged due to other exceptions? Answer Use
ALM-45742 Failed to Call the ECS Metadata API This section applies only to MRS 3.1.5 or later. Alarm Description When Guardian calls an IAM API to obtain the temporary AK/SK, it needs to first obtain related metadata via the ECS Metadata API. This alarm is generated when Guardian
Why Does a New Application Fail If a NodeManager Has Been in Unhealthy Status for 10 Minutes? Question Why does a new application fail if a NodeManager has been in unhealthy status for 10 minutes? Answer When nodeSelectPolicy is set to SEQUENCE and the first NodeManager connected
A Newly Created User Has No Query Permissions Symptom When a user is created, an error message is displayed indicating that the user does not have permissions to query data. Error: Error while compiling statement: FAILED: HiveAccessControlException Permission denied: Principal [name
