In other words, it will add any partitions that exist on HDFS but not in metastore to the metastore. It can be useful if you lose the data in your Hive metastore or if you are working in a cloud environment without a persistent metastore. msck repair table is used to add partitions that exist in HDFS but not in the hive metastore. [HIVE-14772] NPE when MSCK REPAIR - ASF JIRA External tables can access data stored in sources such as Azure Storage Volumes (ASV) or remote HDFS locations. The MSCK REPAIR TABLE command was designed to bulk-add partitions that already exist on the filesystem but are not present in the metastore. Cloudera Community; Announcements; Community . LanguageManual DDL - Apache Hive - Apache Software Foundation It can be useful if you lose the data in your Hive metastore or if you are working in a cloud environment without a persistent metastore. CREATE TABLE - Amazon Athena Repair partitions using MSCK repair - Cloudera All processing and loading is taking less time around (10mins). More. Set the property hive.msck.path.validation=ignore or to the value of 'skip' at the cluster level. One big Hive table - comprising various data schema - Data toolbox Edit. The MSCK REPAIR TABLE command was designed to bulk-add partitions that already exist on the filesystem but are not present in the metastore. Run the distcp command to perform the data copy. When msck repair table table_name is run on Hive, the error message "FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.DDLTask (state=08S01,code= repair partition on hive transactional table is not working Use hive.msck.path.validation setting on the client to alter this behavior; "skip" will simply skip the directories. Another way to recover partitions is to use ALTER TABLE RECOVER PARTITIONS. Managed vs. External Tables - Apache Hive - Apache Software Foundation 'DEBUG' but yet i still am not seeing any smoking gun. Update Stats thanks, Stephen. By giving the configured batch size for the property hive.msck.repair.batch.size it can run in the batches internally. HIVE常用命令之MSCK REPAIR TABLE命令简述_YiRan_Zhao的博客-程序员秘密 Also Keep in mind that Hive is a big data warehouse. Repair partitions manually using MSCK repair - Cloudera . MSCK REPAIR TABLE - ibm.com Create empty partitions on hive till e.g. This statement does not apply to Delta Lake tables. Syntax MSCK REPAIR TABLE table-name Description table-name The name of the table that has been updated. This goes to the directory where the table is pointing to and then creates a tree of directories and subdirectories, check table metadata, and adds all missing partitions. repair partition on hive transactional table is not working We are also working on delivering an EBF to allow passing Hive properties to Blaze through the Hive connection string. If new partitions are present in the S3 location that you specified when Then come Jan 1st just repeat. The name must not include a temporal specification . An external table is generally used when data is located outside the Hive. To fix this issue, you can run the following hive query before the "INSERT OVERWRITE" to recover the missing partition definitions: MSCK REPAIR TABLE partition_test; OK Partitions not in metastore: partition_test:p=p1 Repair: Added partition to metastore partition_test:p=p1 Time taken: 0.486 seconds, Fetched: 2 row (s) Hadoop | Hive. Comment. It looks like everything is working fine, but the problem exists. msck repair table for custom partition names For partitions that are not Hive compatible, use ALTER TABLE ADD PARTITION to load the partitions so that you can query the data. MSCK REPAIR TABLEcompares the partitions in the table metadata and the partitions in S3. ALTER TABLE ADD PARTITION in Hive. This was a spike/investigation/research in my work with our current client (a bank), which is to compact HDFS (orc) files which would be persisted through a data ingestion service written in Spark streaming. MSCK REPAIR TABLE 命令是做啥的. How to drop partition in external table in hive - Quora Repair the target table. This could be one of the reasons, when you created the table as external table, the MSCK REPAIR worked as expected. This is necessary. In the Hive service page, click the Configuration tab. The text was updated successfully, but these errors were encountered: ️ 3 hive> CREATE TABLE IF NOT EXISTS employee ( eid int, name String, salary String, destination String) COMMENT 'Employee details' ROW FORMAT DELIMITED FIELDS TERMINATED BY '\t' LINES TERMINATED BY '\n' STORED AS TEXTFILE; If you add the option IF NOT EXISTS, Hive .