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It provides a data abstraction layer for computing frameworks including Apache Spark, Presto, MapReduce, and Apache Hive, so that upper-layer computing applications can access persistent storage systems including HDFS and OBS through unified client APIs and a global namespace.
Accessing MRS Storm with JDBC The program uses Storm topology to insert data into a table. storm-kafka-examples Interaction between Storm and Kafka of MRS The program uses the Storm topology to send data to Kafka and display the data. storm-obs-examples Interaction between Storm and OBS
It provides a data abstraction layer for computing frameworks including Apache Spark, Presto, MapReduce, and Apache Hive, so that upper-layer computing applications can access persistent storage systems including HDFS and OBS through unified client APIs and a global namespace.
List of resolved issues in MRS 2.1.0.8: MRS Manager The problem that the ECS API traffic is limited when OBS is accessed through an agency has been solved. Multiple users can log in to MRS Manager at the same time. Full-link monitoring is supported.
The save path of CompiledPlan can be an HDFS path or an OBS path. In this example, the HDFS path is used. How to Use Change the value of table.exec.resource.default-parallelism of the an operator in CompiledPlan. Example Develop a FlinkServer SQL job.
List of resolved issues in MRS 2.1.0.8: MRS Manager The problem that the ECS API traffic is limited when OBS is accessed through an agency has been solved. Multiple users can log in to MRS Manager at the same time. Full-link monitoring is supported.
Huawei Cloud OBS is an object storage service that features high availability and low cost.
You have the permission to access the HDFS or OBS directories, HBase tables, and data involved in job execution. You have obtained the username and password used by an external data source (SFTP server or relational database).
You have the permission to access the HDFS or OBS directories, HBase tables, and data involved in job execution. You have obtained the username and password used by an external data source (SFTP server or relational database).
Related Information For details about how to manage ClickHouse permissions, import data from RDS for MySQL, OBS, HDFS, and GaussDB(DWS) to ClickHouse tables, manage multiple ClickHouse tenants, and access ClickHouse through ELB, see Using ClickHouse.
If you cannot directly access the client node to upload files through the local network, upload the JAR package or source data to OBS, import it to HDFS on the Files tab of the MRS console, and run the hdfs dfs -get command on the HDFS client to download it to the client node.
List of resolved issues in MRS 2.1.0.8: MRS Manager The problem that the ECS API traffic is limited when OBS is accessed through an agency has been solved. Multiple users can log in to MRS Manager at the same time. Full-link monitoring is supported.
If you cannot directly connect to the client node to upload files through the local network, upload the JAR file or source data to OBS, import the file to HDFS on the Files tab page of the MRS cluster, and run the hdfs dfs -get command on the HDFS client to download the file to the
Currently, you can use either of the following methods to fix the vulnerability: Installing the Patch on Existing Cluster Nodes Installing the Patch on New Nodes Prerequisites You have downloaded the patch tool package MRS_Log4j_Patch.tar.gz from the OBS path.
If you cannot directly connect to the client node to upload files through the local network, upload the JAR file or source data to OBS, import the file to HDFS on the Files tab page of the MRS cluster, and run the hdfs dfs -get command on the HDFS client to download the file to the
For details, see Interconnecting an MRS Cluster with OBS Using an IAM Agency. To bind an agency to an MRS cluster, you need to create an IAM agency with required permissions in advance. By default, the system generates an MRS_ECS_DEFAULT_AGENCY agency.
If the storage duration of a data record exceeds the value specified by the COLD_BOUNDARY parameter, the system automatically moves the data to cold storage (OBS) during the compaction process. Insert a data record to a table.
If you cannot directly access the client node to upload files through the local network, upload the JAR package or source data to OBS, import it to HDFS on the Files tab of the MRS console, and run the hdfs dfs -get command on the HDFS client to download it to the client node.
Non-service data can be stored in the OBS or other ECS nodes. The cluster nodes only run MRS cluster programs. Other client applications or user service programs are deployed on separate ECS nodes.
Please use the obs: schema. The cluster does not support file paths starting with s3a:// or s3n://. Use a file path supported by the cluster, such as obs://. Use a protocol that matches the cluster version. 400 12000087 Failed to get billing records. Failed to obtain CDR files.
