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Table 3 PgSQL job parameters Parameter Example Value Link pgsqllink Tasks Max 1 Mode insert, update, and delete Schema public dbName Alias cdc Slot Name a4545sad Slot Drop No Connect With Hudi No Use Exist Publication Yes Publication Name test Click the plus sign (+) to display more
Run the drop table table_name command to delete the data tables related to the table from the node that fails to be migrated in the destination cluster.
// Query execDML(connection,sqls[1]); // Delete the table execDDL(connection,sqls[2]); System.out.println("Delete table success!"); } finally { // Close the JDBC connection. if (null !
Typical examples are listed below: You can add, delete, or modify parameters related to rate control.
// Query execDML(connection,sqls[1]); // Delete the table execDDL(connection,sqls[2]); System.out.println("Delete table success!"); } finally { // Close the JDBC connection. if (null !
Typical examples are listed below: You can add, delete, or modify parameters related to rate control.
/v1.1/{project_id}/clusters/{cluster_id} mrs:cluster:delete √ √ Querying a Host List (V1) GET /v1.1/{project_id}/clusters/{cluster_id}/hosts mrs:host:list √ √ Querying a File List (V2) GET/v2/{project_id}/clusters/{cluster_id}/files mrs:file:list √ √ Adding and Executing a Job (V1
Delete the client installation directory when uninstalling a client. Check whether the client is installed. Go to the client installation directory and load environment variables. cd /opt/hadoopclient source bigdata_env Run related commands based on the cluster mode.
To delete a manually added password policy, perform the following operations: Click Delete in the row that contains the target password policy. In the dialog box that is displayed, click OK.
If a file owner or group of a file owner cannot access a label, preferentially delete the replica from the DataNode mapped to the label.
If a file owner or group of a file owner cannot access a label, preferentially delete the replica from the DataNode mapped to the label.
ALTER TABLE name ADD COLUMN column_name data_type [ COMMENT comment ] [ WITH ( property_name = expression [, ...] ) ] The following statement is used to delete the column_name column from the table.
One row is used to delete the original data, and the other row stores insertion operation records of updated data. Flink deletes the aggregation result based on the updated data and inserts the calculation result based on the updated data.
After a table is created, you can use ALTER TABLE to add or delete fields to or from the table, modify table attributes, and add partitions. -- Add the tel_phone and email fields to the employees_info_extended table.
Run the vi /etc/fstab command to edit the file and delete the line containing DirName. Contact hardware engineers to insert a new disk. For details, see the hardware product document of the relevant model. If the faulty disk is in a RAID group, configure the RAID group.
Alternatively, you can directly delete the temporary files after confirming that files with abnormal permissions are temporary. The temporary file generated after a sed command execution failure is similar to the following figure. Collect fault information.
# for i in /srv/*; do echo $i; find $i|wc -l; done /srv/BigData 4284 /srv/ftp 1 /srv/www 13 If yes, run the rm -rf Path of the file or folder to be deleted command to delete the file or folder and go to 5. Deleting a file or folder is a high-risk operation.
If yes, perform the following steps to delete useless topics: Deleting topics is a high-risk operation. Before deleting topics, ensure that the topics are not used. Log in to Manager as a user who has the permission to access the Kafka web UI. Choose Cluster > Services > Kafka.
Modify the table structure, delete a table, or add a table based on service requirements until the table metadata of all nodes in the cluster is consistent. After 5 minutes, check whether this alarm is cleared. If yes, no further action is required. If no, go to 5.
Run the following command to delete unnecessary files. hdfs dfs -rm -r -f File or directory path Deleting a file or folder is a high-risk operation. Ensure that the file or folder is no longer required before performing this operation.
