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Blob server: The Blob server on the JobManager node is used to receive JAR files uploaded by users on the client, send JAR files to TaskManager, and transfer log files. The configuration items include ports, SSL, retries, and concurrency.
) Set server or option Info show (\sh ) Show server, connector, framework, connection, job, submission or option Info create (\cr ) Create connection or job Info delete (\d ) Delete connection or job Info update (\up ) Update connection or job Info clone (\cl )
Server Shared Path: indicates the configured shared directory of the NAS server. (The shared path of the server cannot be set to the root directory, and the user group and owner group of the shared path must be nobody:nobody.)
) Set server or option Info show (\sh ) Show server, connector, framework, connection, job, submission or option Info create (\cr ) Create connection or job Info delete (\d ) Delete connection or job Info update (\up ) Update connection or job Info clone (\cl )
'test1',uniqState('name1'),sumState(toInt32(200)),'2021-04-30 17:18:00'; When querying data, you need to call the corresponding functions uniqMerge and sumMerge. select name1,name2,uniqMerge(name3),sumMerge(name4) from test_table group by name1,name2; ┌─name1─┬─name2─┬─uniqMerge(name3
'test1',uniqState('name1'),sumState(toInt32(200)),'2021-04-30 17:18:00'; When querying data, you need to call the corresponding functions uniqMerge and sumMerge. select name1,name2,uniqMerge(name3),sumMerge(name4) from test_table group by name1,name2; ┌─name1─┬─name2─┬─uniqMerge(name3
Blob server: The Blob server on the JobManager node is used to receive JAR files uploaded by users on the client, send JAR files to TaskManager, and transfer log files. The configuration items include ports, SSL, retries, and concurrency.
For MRS 3.x and later, data can be backed up to local disks (LocalDir), local HDFS (LocalHDFS), remote HDFS (RemoteHDFS), NAS (NFS/CIFS), Object Storage Service (OBS), and SFTP server (SFTP). For details, see Backing Up MRS Cluster Component Data.
For example, if the client installation directory is /opt/client, log in to the node where the client is installed as the client installation user. cd /opt/client source bigdata_env kinit developuser Run the following command to connect to the ClickHouse server: clickhouse client
Use sc.show_profiles() to display the analysis results or display the analysis results before the Driver exits. You can use sc.dump_profiles(path) to dump the results to a disk.
Find the host name and IP address of NameNode(hacluster,active). Figure 1 HDFS instance Click Service Configuration to access the page displayed in Figure 2. Find namenode.http.port (9870) and namenode.https.port (9871).
Monitoring Metric Reference (MRS 3.x or Later) FusionInsight Manager alarm monitoring metrics are classified as node information metrics and cluster service metrics.
