apache hbase vs cassandra

When hbase writes data, the following exception occurs: Org. Apache. hadoop. hbase. Client. retriesexhaustedwithdetailsexception: Failed 3465 actions: servers with issues: cloudgis2: 60020,At org. Apache. hadoop. hbase. Client. hconnectionmanager $ hconnectionimplementation.

1. Modify Hue's configuration file Hue.ini[HBase]# Use full hostname with security.Hbase_clusters= (cluster|linux-hadoop3.ibeifeng.com:9090)# HBase configuration directory, where Hbase-site.xml is located.Hbase_conf_dir=/etc/opt/modules/hbase-0.98.6-hadoop2/conf　　2. Start the thriftserver of HBasebin/

TEPHRA provides globally consistent transactional support (Tengyun technology ty300.com) based on Apache HBase. HBase (Getting Started tutorial qkxue.net) provides strong consistent row-and region-based ACID operation support, but at the expense of cross-region operations. This requires the application developer to take great pains to ensure the consistency of op