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Using Derby in embedded mode allows at most one user at a time. To configure Derby to run in server mode, look at HiveDerbyServerMode.
Installing HCatalog
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HCatalog is installed with Hive, starting with Hive release 0.11.0. |
If you install Hive from the binary tarball, the hcat command is available in the hcatalog/bin directory. However, most hcat commands can be issued as hive commands except for "hcat -g" and "hcat -p". Note that the hcat command uses the -p flag for permissions but hive uses it to specify a port number. The HCatalog CLI is documented here and the Hive CLI is documented here.
HCatalog installation is documented here.
Installing WebHCat (Templeton)
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WebHCat is installed with Hive, starting with Hive release 0.11.0. |
If you install Hive from the binary tarball, the WebHCat server command webhcat_server.sh is in the hcatalog/sbin directory.
WebHCat installation is documented here.