本文整理汇总了Java中org.apache.hadoop.nfs.nfs3.Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT属性的典型用法代码示例。如果您正苦于以下问题：Java Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT属性的具体用法？Java Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT怎么用？Java Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT使用的例子？那么恭喜您, 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.nfs.nfs3.Nfs3Constant的用法示例。
在下文中一共展示了Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT属性的4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: WriteManager
WriteManager(IdUserGroup iug, final Configuration config) {
this.iug = iug;
this.config = config;
streamTimeout = config.getLong(Nfs3Constant.OUTPUT_STREAM_TIMEOUT,
Nfs3Constant.OUTPUT_STREAM_TIMEOUT_DEFAULT);
LOG.info("Stream timeout is " + streamTimeout + "ms.");
if (streamTimeout < Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT) {
LOG.info("Reset stream timeout to minimum value " +
Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT + "ms.");
streamTimeout = Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT;
}
maxStreams = config.getInt(Nfs3Constant.MAX_OPEN_FILES,
Nfs3Constant.MAX_OPEN_FILES_DEFAULT);
LOG.info("Maximum open streams is " + maxStreams);
this.fileContextCache = new OpenFileCtxCache(config, streamTimeout);
}
示例2: WriteManager
WriteManager(IdUserGroup iug, final Configuration config) {
this.iug = iug;
this.config = config;
streamTimeout = config.getLong(Nfs3Constant.OUTPUT_STREAM_TIMEOUT,
Nfs3Constant.OUTPUT_STREAM_TIMEOUT_DEFAULT);
LOG.info("Stream timeout is " + streamTimeout + "ms.");
if (streamTimeout < Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT) {
LOG.info("Reset stream timeout to minimum value "
+ Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT + "ms.");
streamTimeout = Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT;
}
maxStreams = config.getInt(Nfs3Constant.MAX_OPEN_FILES,
Nfs3Constant.MAX_OPEN_FILES_DEFAULT);
LOG.info("Maximum open streams is "+ maxStreams);
this.fileContextCache = new OpenFileCtxCache(config, streamTimeout);
}
示例3: getEntryToEvict
/**
* The entry to be evicted is based on the following rules:<br>
* 1. if the OpenFileCtx has any pending task, it will not be chosen.<br>
* 2. if there is inactive OpenFileCtx, the first found one is to evict. <br>
* 3. For OpenFileCtx entries don't belong to group 1 or 2, the idlest one
* is select. If it's idle longer than OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT, it
* will be evicted. Otherwise, the whole eviction request is failed.
*/
@VisibleForTesting
Entry<FileHandle, OpenFileCtx> getEntryToEvict() {
Iterator<Entry<FileHandle, OpenFileCtx>> it =
openFileMap.entrySet().iterator();
if (LOG.isTraceEnabled()) {
LOG.trace("openFileMap size:" + openFileMap.size());
}
Entry<FileHandle, OpenFileCtx> idlest = null;
while (it.hasNext()) {
Entry<FileHandle, OpenFileCtx> pairs = it.next();
OpenFileCtx ctx = pairs.getValue();
if (!ctx.getActiveState()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Got one inactive stream: " + ctx);
}
return pairs;
}
if (ctx.hasPendingWork()) {
// Always skip files with pending work.
continue;
}
if (idlest == null) {
idlest = pairs;
} else {
if (ctx.getLastAccessTime() < idlest.getValue().getLastAccessTime()) {
idlest = pairs;
}
}
}
if (idlest == null) {
LOG.warn("No eviction candidate. All streams have pending work.");
return null;
} else {
long idleTime =
System.currentTimeMillis() - idlest.getValue().getLastAccessTime();
if (idleTime < Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT) {
if (LOG.isDebugEnabled()) {
LOG.debug("idlest stream's idle time:" + idleTime);
}
LOG.warn("All opened streams are busy, can't remove any from cache.");
return null;
} else {
return idlest;
}
}
}
示例4: getEntryToEvict
/**
* The entry to be evicted is based on the following rules:<br>
* 1. if the OpenFileCtx has any pending task, it will not be chosen.<br>
* 2. if there is inactive OpenFileCtx, the first found one is to evict. <br>
* 3. For OpenFileCtx entries don't belong to group 1 or 2, the idlest one
* is select. If it's idle longer than OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT, it
* will be evicted. Otherwise, the whole eviction request is failed.
*/
@VisibleForTesting
Entry<FileHandle, OpenFileCtx> getEntryToEvict() {
Iterator<Entry<FileHandle, OpenFileCtx>> it = openFileMap.entrySet()
.iterator();
if (LOG.isTraceEnabled()) {
LOG.trace("openFileMap size:" + openFileMap.size());
}
Entry<FileHandle, OpenFileCtx> idlest = null;
while (it.hasNext()) {
Entry<FileHandle, OpenFileCtx> pairs = it.next();
OpenFileCtx ctx = pairs.getValue();
if (!ctx.getActiveState()) {
if (LOG.isDebugEnabled()) {
LOG.debug("Got one inactive stream: " + ctx);
}
return pairs;
}
if (ctx.hasPendingWork()) {
// Always skip files with pending work.
continue;
}
if (idlest == null) {
idlest = pairs;
} else {
if (ctx.getLastAccessTime() < idlest.getValue().getLastAccessTime()) {
idlest = pairs;
}
}
}
if (idlest == null) {
LOG.warn("No eviction candidate. All streams have pending work.");
return null;
} else {
long idleTime = System.currentTimeMillis()
- idlest.getValue().getLastAccessTime();
if (idleTime < Nfs3Constant.OUTPUT_STREAM_TIMEOUT_MIN_DEFAULT) {
if (LOG.isDebugEnabled()) {
LOG.debug("idlest stream's idle time:" + idleTime);
}
LOG.warn("All opened streams are busy, can't remove any from cache.");
return null;
} else {
return idlest;
}
}
}