本文整理汇总了Java中org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PersistedRecoveryPaxosData.getAcceptedInEpoch方法的典型用法代码示例。如果您正苦于以下问题:Java PersistedRecoveryPaxosData.getAcceptedInEpoch方法的具体用法?Java PersistedRecoveryPaxosData.getAcceptedInEpoch怎么用?Java PersistedRecoveryPaxosData.getAcceptedInEpoch使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PersistedRecoveryPaxosData
的用法示例。
在下文中一共展示了PersistedRecoveryPaxosData.getAcceptedInEpoch方法的2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: completeHalfDoneAcceptRecovery
import org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PersistedRecoveryPaxosData; //导入方法依赖的package包/类
/**
* In the case the node crashes in between downloading a log segment
* and persisting the associated paxos recovery data, the log segment
* will be left in its temporary location on disk. Given the paxos data,
* we can check if this was indeed the case, and "roll forward"
* the atomic operation.
*
* See the inline comments in
* {@link #acceptRecovery(RequestInfo, SegmentStateProto, URL)} for more
* details.
*
* @throws IOException if the temporary file is unable to be renamed into
* place
*/
private void completeHalfDoneAcceptRecovery(
PersistedRecoveryPaxosData paxosData) throws IOException {
if (paxosData == null) {
return;
}
long segmentId = paxosData.getSegmentState().getStartTxId();
long epoch = paxosData.getAcceptedInEpoch();
File tmp = storage.getSyncLogTemporaryFile(segmentId, epoch);
if (tmp.exists()) {
File dst = storage.getInProgressEditLog(segmentId);
LOG.info("Rolling forward previously half-completed synchronization: " +
tmp + " -> " + dst);
FileUtil.replaceFile(tmp, dst);
}
}
示例2: completeHalfDoneAcceptRecovery
import org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PersistedRecoveryPaxosData; //导入方法依赖的package包/类
/**
* In the case the node crashes in between downloading a log segment
* and persisting the associated paxos recovery data, the log segment
* will be left in its temporary location on disk. Given the paxos data,
* we can check if this was indeed the case, and "roll forward"
* the atomic operation.
*
* See the inline comments in
* {@link #acceptRecovery(RequestInfo, SegmentStateProto, URL)} for more
* details.
*
* @throws IOException if the temporary file is unable to be renamed into
* place
*/
private void completeHalfDoneAcceptRecovery(
PersistedRecoveryPaxosData paxosData) throws IOException {
if (paxosData == null) {
return;
}
long segmentId = paxosData.getSegmentState().getStartTxId();
long epoch = paxosData.getAcceptedInEpoch();
File tmp = journalStorage.getSyncLogTemporaryFile(segmentId, epoch);
if (tmp.exists()) {
File dst = journalStorage.getInProgressEditLog(segmentId);
LOG.info("Rolling forward previously half-completed synchronization: " +
tmp + " -> " + dst);
FileUtil.replaceFile(tmp, dst);
}
}