本文整理汇总了Java中org.apache.hadoop.hdfs.server.protocol.RemoteEditLog.getEndTxId方法的典型用法代码示例。如果您正苦于以下问题：Java RemoteEditLog.getEndTxId方法的具体用法？Java RemoteEditLog.getEndTxId怎么用？Java RemoteEditLog.getEndTxId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.server.protocol.RemoteEditLog的用法示例。
在下文中一共展示了RemoteEditLog.getEndTxId方法的8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: rollForwardByApplyingLogs
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入方法依赖的package包/类
static void rollForwardByApplyingLogs(
RemoteEditLogManifest manifest,
FSImage dstImage,
FSNamesystem dstNamesystem) throws IOException {
NNStorage dstStorage = dstImage.getStorage();
List<EditLogInputStream> editsStreams = Lists.newArrayList();
for (RemoteEditLog log : manifest.getLogs()) {
if (log.getEndTxId() > dstImage.getLastAppliedTxId()) {
File f = dstStorage.findFinalizedEditsFile(
log.getStartTxId(), log.getEndTxId());
editsStreams.add(new EditLogFileInputStream(f, log.getStartTxId(),
log.getEndTxId(), true));
}
}
LOG.info("Checkpointer about to load edits from " +
editsStreams.size() + " stream(s).");
dstImage.loadEdits(editsStreams, dstNamesystem);
}
示例2: rollForwardByApplyingLogs
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入方法依赖的package包/类
static void rollForwardByApplyingLogs(
RemoteEditLogManifest manifest,
FSImage dstImage,
FSNamesystem dstNamesystem) throws IOException {
NNStorage dstStorage = dstImage.getStorage();
List<EditLogInputStream> editsStreams = Lists.newArrayList();
for (RemoteEditLog log : manifest.getLogs()) {
if (log.getEndTxId() > dstImage.getLastAppliedTxId()) {
File f = dstStorage.findFinalizedEditsFile(
log.getStartTxId(), log.getEndTxId());
editsStreams.add(new EditLogFileInputStream(f, log.getStartTxId(),
log.getEndTxId(), true));
}
}
LOG.info("Checkpointer about to load edits from " +
editsStreams.size() + " stream(s).");
dstImage.loadEdits(editsStreams, dstNamesystem, null);
}
示例3: getParamStringForLog
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入方法依赖的package包/类
static String getParamStringForLog(RemoteEditLog log,
StorageInfo remoteStorageInfo) {
return "getedit=1&" + START_TXID_PARAM + "=" + log.getStartTxId()
+ "&" + END_TXID_PARAM + "=" + log.getEndTxId()
+ "&" + STORAGEINFO_PARAM + "=" +
remoteStorageInfo.toColonSeparatedString();
}
示例4: getParamStringForLog
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入方法依赖的package包/类
static String getParamStringForLog(RemoteEditLog log,
StorageInfo remoteStorageInfo, boolean throttle) {
return "getedit" + "=1&" + START_TXID_PARAM + "=" + log.getStartTxId()
+ "&" + END_TXID_PARAM + "=" + log.getEndTxId()
+ "&" + STORAGEINFO_PARAM + "=" +
remoteStorageInfo.toColonSeparatedString()
+ "&" + THROTTLE_PARAM + "=" + throttle;
}
示例5: getEditLogManifest
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入方法依赖的package包/类
/**
* Return a manifest of what finalized edit logs are available. All available
* edit logs are returned starting from the transaction id passed. If
* 'fromTxId' falls in the middle of a log, that log is returned as well.
*
* @param fromTxId Starting transaction id to read the logs.
* @return RemoteEditLogManifest object.
*/
public synchronized RemoteEditLogManifest getEditLogManifest(long fromTxId) {
// Collect RemoteEditLogs available from each FileJournalManager
List<RemoteEditLog> allLogs = Lists.newArrayList();
for (JournalAndStream j : journals) {
if (j.getManager() instanceof FileJournalManager) {
FileJournalManager fjm = (FileJournalManager)j.getManager();
try {
allLogs.addAll(fjm.getRemoteEditLogs(fromTxId, false));
} catch (Throwable t) {
LOG.warn("Cannot list edit logs in " + fjm, t);
}
}
}
// Group logs by their starting txid
ImmutableListMultimap<Long, RemoteEditLog> logsByStartTxId =
Multimaps.index(allLogs, RemoteEditLog.GET_START_TXID);
long curStartTxId = fromTxId;
List<RemoteEditLog> logs = Lists.newArrayList();
while (true) {
ImmutableList<RemoteEditLog> logGroup = logsByStartTxId.get(curStartTxId);
if (logGroup.isEmpty()) {
// we have a gap in logs - for example because we recovered some old
// storage directory with ancient logs. Clear out any logs we've
// accumulated so far, and then skip to the next segment of logs
// after the gap.
SortedSet<Long> startTxIds = Sets.newTreeSet(logsByStartTxId.keySet());
startTxIds = startTxIds.tailSet(curStartTxId);
if (startTxIds.isEmpty()) {
break;
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Found gap in logs at " + curStartTxId + ": " +
"not returning previous logs in manifest.");
}
logs.clear();
curStartTxId = startTxIds.first();
continue;
}
}
// Find the one that extends the farthest forward
RemoteEditLog bestLog = Collections.max(logGroup);
logs.add(bestLog);
// And then start looking from after that point
curStartTxId = bestLog.getEndTxId() + 1;
}
RemoteEditLogManifest ret = new RemoteEditLogManifest(logs);
if (LOG.isDebugEnabled()) {
LOG.debug("Generated manifest for logs since " + fromTxId + ":"
+ ret);
}
return ret;
}
示例6: getEditLogManifest
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入方法依赖的package包/类
/**
* Return a manifest of what edit logs are available. All available
* edit logs are returned starting from the transaction id passed,
* including inprogress segments.
*
* @param fromTxId Starting transaction id to read the logs.
* @return RemoteEditLogManifest object.
*/
public synchronized RemoteEditLogManifest getEditLogManifest(long fromTxId) {
// Collect RemoteEditLogs available from each FileJournalManager
List<RemoteEditLog> allLogs = new ArrayList<RemoteEditLog>();
for (JournalAndStream j : journals) {
JournalManager jm = j.getManager();
try {
allLogs.addAll(jm.getEditLogManifest(fromTxId).getLogs());
} catch (Throwable t) {
LOG.warn("Cannot list edit logs in " + jm, t);
}
}
// Group logs by their starting txid
ImmutableListMultimap<Long, RemoteEditLog> logsByStartTxId =
Multimaps.index(allLogs, RemoteEditLog.GET_START_TXID);
long curStartTxId = fromTxId;
List<RemoteEditLog> logs = new ArrayList<RemoteEditLog>();
while (true) {
ImmutableList<RemoteEditLog> logGroup = logsByStartTxId.get(curStartTxId);
if (logGroup.isEmpty()) {
// we have a gap in logs - for example because we recovered some old
// storage directory with ancient logs. Clear out any logs we've
// accumulated so far, and then skip to the next segment of logs
// after the gap.
SortedSet<Long> startTxIds = new TreeSet<Long>(logsByStartTxId.keySet());
startTxIds = startTxIds.tailSet(curStartTxId);
if (startTxIds.isEmpty()) {
break;
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Found gap in logs at " + curStartTxId + ": " +
"not returning previous logs in manifest.");
}
logs.clear();
curStartTxId = startTxIds.first();
continue;
}
}
// Find the one that extends the farthest forward
RemoteEditLog bestLog = Collections.max(logGroup);
logs.add(bestLog);
// And then start looking from after that point
curStartTxId = bestLog.getEndTxId() + 1;
if (curStartTxId == 0)
break;
}
RemoteEditLogManifest ret = new RemoteEditLogManifest(logs);
if (LOG.isDebugEnabled()) {
LOG.debug("Generated manifest for logs since " + fromTxId + ":"
+ ret);
}
return ret;
}
示例7: getEditLogManifest
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入方法依赖的package包/类
/**
* Return a manifest of what finalized edit logs are available. All available
* edit logs are returned starting from the transaction id passed.
*
* @param fromTxId Starting transaction id to read the logs.
* @return RemoteEditLogManifest object.
*/
public synchronized RemoteEditLogManifest getEditLogManifest(long fromTxId,
boolean forReading) {
// Collect RemoteEditLogs available from each FileJournalManager
List<RemoteEditLog> allLogs = Lists.newArrayList();
for (JournalAndStream j : journals) {
if (j.getManager() instanceof FileJournalManager) {
FileJournalManager fjm = (FileJournalManager)j.getManager();
try {
allLogs.addAll(fjm.getRemoteEditLogs(fromTxId, forReading));
} catch (Throwable t) {
LOG.warn("Cannot list edit logs in " + fjm, t);
}
}
}
// Group logs by their starting txid
ImmutableListMultimap<Long, RemoteEditLog> logsByStartTxId =
Multimaps.index(allLogs, RemoteEditLog.GET_START_TXID);
long curStartTxId = fromTxId;
List<RemoteEditLog> logs = Lists.newArrayList();
while (true) {
ImmutableList<RemoteEditLog> logGroup = logsByStartTxId.get(curStartTxId);
if (logGroup.isEmpty()) {
// we have a gap in logs - for example because we recovered some old
// storage directory with ancient logs. Clear out any logs we've
// accumulated so far, and then skip to the next segment of logs
// after the gap.
SortedSet<Long> startTxIds = Sets.newTreeSet(logsByStartTxId.keySet());
startTxIds = startTxIds.tailSet(curStartTxId);
if (startTxIds.isEmpty()) {
break;
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Found gap in logs at " + curStartTxId + ": " +
"not returning previous logs in manifest.");
}
logs.clear();
curStartTxId = startTxIds.first();
continue;
}
}
// Find the one that extends the farthest forward
RemoteEditLog bestLog = Collections.max(logGroup);
logs.add(bestLog);
// And then start looking from after that point
curStartTxId = bestLog.getEndTxId() + 1;
}
RemoteEditLogManifest ret = new RemoteEditLogManifest(logs);
if (LOG.isDebugEnabled()) {
LOG.debug("Generated manifest for logs since " + fromTxId + ":"
+ ret);
}
return ret;
}
示例8: getEditLogManifest
import org.apache.hadoop.hdfs.server.protocol.RemoteEditLog; //导入方法依赖的package包/类
/**
* Return a manifest of what finalized edit logs are available. All available
* edit logs are returned starting from the transaction id passed.
*
* @param fromTxId Starting transaction id to read the logs.
* @return RemoteEditLogManifest object.
*/
public synchronized RemoteEditLogManifest getEditLogManifest(long fromTxId,
boolean forReading) {
// Collect RemoteEditLogs available from each FileJournalManager
List<RemoteEditLog> allLogs = Lists.newArrayList();
for (JournalAndStream j : journals) {
if (j.getManager() instanceof FileJournalManager) {
FileJournalManager fjm = (FileJournalManager)j.getManager();
try {
allLogs.addAll(fjm.getRemoteEditLogs(fromTxId, forReading, false));
} catch (Throwable t) {
LOG.warn("Cannot list edit logs in " + fjm, t);
}
}
}
// Group logs by their starting txid
ImmutableListMultimap<Long, RemoteEditLog> logsByStartTxId =
Multimaps.index(allLogs, RemoteEditLog.GET_START_TXID);
long curStartTxId = fromTxId;
List<RemoteEditLog> logs = Lists.newArrayList();
while (true) {
ImmutableList<RemoteEditLog> logGroup = logsByStartTxId.get(curStartTxId);
if (logGroup.isEmpty()) {
// we have a gap in logs - for example because we recovered some old
// storage directory with ancient logs. Clear out any logs we've
// accumulated so far, and then skip to the next segment of logs
// after the gap.
SortedSet<Long> startTxIds = Sets.newTreeSet(logsByStartTxId.keySet());
startTxIds = startTxIds.tailSet(curStartTxId);
if (startTxIds.isEmpty()) {
break;
} else {
if (LOG.isDebugEnabled()) {
LOG.debug("Found gap in logs at " + curStartTxId + ": " +
"not returning previous logs in manifest.");
}
logs.clear();
curStartTxId = startTxIds.first();
continue;
}
}
// Find the one that extends the farthest forward
RemoteEditLog bestLog = Collections.max(logGroup);
logs.add(bestLog);
// And then start looking from after that point
curStartTxId = bestLog.getEndTxId() + 1;
}
RemoteEditLogManifest ret = new RemoteEditLogManifest(logs);
if (LOG.isDebugEnabled()) {
LOG.debug("Generated manifest for logs since " + fromTxId + ":"
+ ret);
}
return ret;
}