Examples of org.apache.hadoop.hbase.client.HBaseAdmin.rollHLogWriter()

org.apache.hadoop.hbase.client.HBaseAdmin.rollHLogWriter()

Roll the log writer. That is, start writing log messages to a new file. @param serverName The servername of the regionserver. A server name is made of host, port and startcode. This is mandatory. Here is an example: host187.example.com,60020,1289493121758 @return If lots of logs, flush the returned regions so next time throughwe can clean logs. Returns null if nothing to flush. Names are actual region names as returned by {@link HRegionInfo#getEncodedName()} @throws IOException if a remote or network exception occurs @throws FailedLogCloseException

        try {
            Collection<ServerName> serverNames = admin.getClusterStatus().getServers();
            if (serverNames.size() != 1) {
                throw new RuntimeException("Expected exactly one region server, but got: " + serverNames.size());
            }
            admin.rollHLogWriter(serverNames.iterator().next().getServerName());
        } finally {
            Closer.close(admin);
        }
    }
}

        try {
            Collection<ServerName> serverNames = admin.getClusterStatus().getServers();
            if (serverNames.size() != 1) {
                throw new RuntimeException("Expected exactly one region server, but got: " + serverNames.size());
            }
            admin.rollHLogWriter(serverNames.iterator().next().getServerName());
        } finally {
            Closer.close(admin);
        }
    }

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