Table of Contents |
---|
Low Latency Analytical Processing Live Long And Process (LLAP) functionality was added in Hive 2.0 (HIVE-7926 and associated tasks). HIVE-9850 links documentation, features, and issues for this enhancement.
...
LLAP can be deployed via Slider, which bypasses node installation and related complexities (HIVE-9883).
LLAP Status Status
AMBARI-16149 introduces LLAP app status, available with Hive ServerHiveServer2.
Example usage.
/current/hive-server2-hive2/bin/hive --service llapstatus --name {llap_app_name} [-f] [-w] [-i] [-t]
Code Block | ||
---|---|---|
| ||
-f,--findAppTimeout <findAppTimeout> Amount of time(s) that the tool will sleep to wait for the YARN application to start. negative values=wait forever, 0=Do not wait. default=20s -H,--help Print help information --hiveconf <property=value> Use value for given property. Overridden by explicit parameters -i,--refreshInterval <refreshInterval> Amount of time in seconds to wait until subsequent status checks in watch mode. Valid only for watch mode. (Default 1s) -n,--name <name> LLAP cluster name -o,--outputFile <outputFile> File to which output should be written (Default stdout) -r,--runningNodesThreshold <runningNodesThreshold> When watch mode is enabled (-w), wait until the specified threshold of nodes are running (Default 1.0 which means 100% nodes are running) -t,--watchTimeout <watchTimeout> Exit watch mode if the desired state is not attained until the specified timeout. (Default 300s) -w,--watch Watch mode waits until all LLAP daemons are running or subset of the nodes are running (threshold can be specified via -r option) (Default wait until all nodes are running) |
Info | ||
---|---|---|
| ||
The findAppTimeout option was added in release 2.1.0 with HIVE-13643: The watch and running nodes options were added in release 2.2.0 with HIVE-15217 and HIVE-15651: |
Resources
...