Tutorial Presto 8.8 -

To make the Presto installation functional, you must create four core configuration files inside the /opt/presto/etc directory. File 1: Node Properties ( node.properties )

connector.name=hive-hadoop2 hive.metastore.uri=thrift://<metastore-host>:9083 hive.config.resources=/etc/hadoop/conf/core-site.xml,/etc/hadoop/conf/hdfs-site.xml tutorial presto 8.8

To start a project, you must first define the general parameters of your work: To make the Presto installation functional, you must

To verify that the process is running successfully, check the launcher logs: cat /var/presto/data/var/log/launcher.log Use code with caution. Accessing the Web UI Error: No nodes available to run query wget https://maven

Increase the physical memory allocation or optimize the underlying SQL syntax to avoid heavy memory footprints (such as excessive GROUP BY operations on high-cardinality values). Error: No nodes available to run query

wget https://maven.org mv presto-cli-0.285-executable.jar /opt/presto/bin/presto chmod +x /opt/presto/bin/presto Use code with caution. Execute a test query using the CLI:

-server -Xmx8G -XX:+UseG1GC -XX:G1HeapRegionSize=32M -XX:+UseGCOverheadLimit -XX:+ExplicitGCInvokesConcurrent -XX:+HeapDumpOnOutOfMemoryError -XX:+ExitOnOutOfMemoryError --add-opens=java.base/sun.nio.ch=ALL-UNNAMED