本文整理汇总了Java中org.apache.hadoop.hdfs.protocol.HdfsConstants.LEASE_HARDLIMIT_PERIOD属性的典型用法代码示例。如果您正苦于以下问题:Java HdfsConstants.LEASE_HARDLIMIT_PERIOD属性的具体用法?Java HdfsConstants.LEASE_HARDLIMIT_PERIOD怎么用?Java HdfsConstants.LEASE_HARDLIMIT_PERIOD使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类org.apache.hadoop.hdfs.protocol.HdfsConstants
的用法示例。
在下文中一共展示了HdfsConstants.LEASE_HARDLIMIT_PERIOD属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: renewLease
/**
* Renew leases.
* @return true if lease was renewed. May return false if this
* client has been closed or has no files open.
**/
boolean renewLease() throws IOException {
if (clientRunning && !isFilesBeingWrittenEmpty()) {
try {
namenode.renewLease(clientName);
updateLastLeaseRenewal();
return true;
} catch (IOException e) {
// Abort if the lease has already expired.
final long elapsed = Time.monotonicNow() - getLastLeaseRenewal();
if (elapsed > HdfsConstants.LEASE_HARDLIMIT_PERIOD) {
LOG.warn("Failed to renew lease for " + clientName + " for "
+ (elapsed/1000) + " seconds (>= hard-limit ="
+ (HdfsConstants.LEASE_HARDLIMIT_PERIOD/1000) + " seconds.) "
+ "Closing all files being written ...", e);
closeAllFilesBeingWritten(true);
} else {
// Let the lease renewer handle it and retry.
throw e;
}
}
}
return false;
}