Dima, You can simply set the variable in your hive-site.xml:
<property> <name>datanucleus.connectionPool.maxPoolSize</name> <value>20</value> <description>creates an annoying log message if this is not set</description> </property> The default value is -1, so it is just warning you that it is setting the maximum number of connections to a valid value (default 20). 20 has worked for us -- we just added the setting to get rid of the warning. Regards, Bryan Jeffrey On Wed, May 14, 2014 at 9:38 AM, Dima Machlin <dima.mach...@pursway.com>wrote: > Hi, > > Starting the metastore (Hive 0.12) service there is a WARNING > > [main] WARN bonecp.BoneCPConfig: Max Connections < 1. Setting to 20 > > What does this setting mean? Max connections from hive servers to the > metastore? > > How can this be changed? > > > > Thanks. >