@Override
public void cleanup() {
try {
client.shutdown();
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void prepare(Map map, TopologyContext topologyContext, OutputCollector outputCollector) {
this.collector = outputCollector;
client = new KuduClient.KuduClientBuilder(Constants.KUDU_MASTER).build();
try {
this.table_attr = client.openTable(Constants.UPUSERS_ATTR_TABLE);
this.table_days = client.openTable(Constants.UPUSERS_DAYS_TABLE);
this.session = client.newSession();
// this.session.setMutationBufferSpace(32*1024*1024);
// this.session.setTimeoutMillis(60*1000);
// this.session.setFlushMode(KuduSession.FlushMode.AUTO_FLUSH_BACKGROUND);
} catch (Exception e) {
e.printStackTrace();
}
}
/** 检查Session */
private void checkSession() {
if (session.isClosed()) {
System.out.println(
"================================Session is closed ================================"
+ client);
if (client == null) {
client = new KuduClient.KuduClientBuilder(Constants.KUDU_MASTER).build();
}
if (StringUtils.isNotEmpty(client.toString())) {
try {
table_attr = client.openTable(Constants.UPUSERS_ATTR_TABLE);
table_days = client.openTable(Constants.UPUSERS_DAYS_TABLE);
session = client.newSession();
} catch (Exception e) {
e.printStackTrace();
}
}
System.out.println(
"================================Session is created ================================"
+ client);
}
}