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The core instructions in this set are INSERT, UPDATE, and DELETE, which respectively mean inserting, updating, and deleting. These instructions are indispensable for developing data-centered applications.
The interfaces are as follows: mapreduce/jar(POST) mapreduce/streaming(POST) hive(POST) jobs(GET) jobs/:jobid(GET) jobs/:jobid(DELETE) Hive Authorization Description It is recommended that Hive authorization (databases, tables, or views) be performed on the Manager authorization page
Run the following command on the Hive Server to delete the function: DROP FUNCTION addDoubles; Extended Applications None Parent topic: Enterprise-Class Enhancements of Hive
You must delete the client installation directory when uninstalling a client. To ensure that an installed client can only be used by the installation user (for example, user_client), add parameter -o during the installation. That is, run the .
Delete the comma (,) in the previous line. 'properties.security.protocol' = 'SASL_PLAINTEXT',--This parameter is not required for clusters in normal mode.
To solve this problem, you need to delete the Hive UDF registration information.
You can click Disassociate to delete a data connection. If there is no associated data connection on the Data Connection dialog box, click Configure Data Connection to add a connection. Only one data connection can be configured for a module type.
Run the following command on the Hive Server to delete the function: DROP FUNCTION addDoubles; Extended Applications None Parent topic: Enterprise-Class Enhancement of Hive
After confirming that HBase and related services are normal, you are advised to run the following command to delete the backup directory to prevent residual useless files: hdfs dfs -rm -r /tmp/hbase_bak Collect fault information. On FusionInsight Manager, choose O&M.
If the TTL of a column family increases after an index is created, delete the index and re-create one. Otherwise, some generated index data will be deleted before user data is deleted.
ALTER TABLE table_a DROP PARTITION partition_spec The DELETE permission on table_a is required. ALTER TABLE table_a PARTITION partition_spec SET LOCATION "hdfs_path" The ownership of table_a, and the ownership and RWX permission of hdfs_path in HDFS are required.
hbase.log.maxbackupindex} log4j.appender.DUAL.layout=org.apache.log4j.PatternLayout log4j.appender.DUAL.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}: %m%n Configure the Active/Standby Cluster Configuration in HBaseMultiClusterConnection Create a dual-read Configuration and delete
After the patch is installed, do not delete the files related to the patch directory. Otherwise, the patch cannot be uninstalled. Installing the Patch on New Nodes Disable Enable Component during the scale-out.
If the command fails to be executed and the error information Failed to APPEND_FILE /system/balancer.id is displayed in the log, run the following command to forcibly delete /system/balancer.id and run the start-balancer.sh script again: hdfs dfs -rm -f /system/balancer.id After you
If there are too many versions, RocksDB may fail to delete old versions due to query or compaction operations. state.backend.rocksdb.metrics.estimate-live-data-size true Monitors the real-time data volume, in bytes (usually smaller than the size of an SST file due to space amplification
/spark-sql Run the following statement on Hudi to delete a field: ALTER TABLE ddltest DROP COLUMN columnName; On the CDL web UI, start a task to update data in the source database. Parent topic: Using CDL
You are advised to delete the configuration file or use other secure methods to keep the password. Table 1 Parameters to be modified of the Flume role server Parameter Description Example Value ssl Specifies whether to enable the SSL authentication.
If the command fails to be executed and the error information Failed to APPEND_FILE /system/balancer.id is displayed in the log, run the following command to forcibly delete /system/balancer.id and run the start-balancer.sh script again: hdfs dfs -rm -f /system/balancer.id After you
Prerequisites The HBase put or delete interface can be used to save data to HBase. Procedure Data writing server tuning Log in to FusionInsight Manager and choose Cluster > Services > HBase, click Configurations, and click All Configurations.
Delete the line of the to-be-removed partition. (The line structure is "Topic name Partition ID Offset". Save the data before deletion. Subsequently, the content must be added to the file of the same name in the destination directory.)
