Index: src/main/java/org/apache/hadoop/hbase/HConstants.java =================================================================== --- src/main/java/org/apache/hadoop/hbase/HConstants.java (revision 1212564) +++ src/main/java/org/apache/hadoop/hbase/HConstants.java (working copy) @@ -142,7 +142,7 @@ ZK_CFG_PROPERTY_PREFIX + "dataDir"; /** Default limit on concurrent client-side zookeeper connections */ - public static final int DEFAULT_ZOOKEPER_MAX_CLIENT_CNXNS = 30; + public static final int DEFAULT_ZOOKEPER_MAX_CLIENT_CNXNS = 300; /** Configuration key for ZooKeeper session timeout */ public static final String ZK_SESSION_TIMEOUT = "zookeeper.session.timeout"; Index: src/main/resources/hbase-default.xml =================================================================== --- src/main/resources/hbase-default.xml (revision 1212564) +++ src/main/resources/hbase-default.xml (working copy) @@ -724,7 +724,7 @@ hbase.zookeeper.property.maxClientCnxns - 30 + 300 Property from ZooKeeper's config zoo.cfg. Limit on number of concurrent connections (at the socket level) that a single client, identified by IP address, may make to a single member of