本文整理汇总了Java中org.apache.hadoop.hdfs.server.namenode.snapshot.FileDiffList.getSnapshotById方法的典型用法代码示例。如果您正苦于以下问题：Java FileDiffList.getSnapshotById方法的具体用法？Java FileDiffList.getSnapshotById怎么用？Java FileDiffList.getSnapshotById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.namenode.snapshot.FileDiffList的用法示例。
在下文中一共展示了FileDiffList.getSnapshotById方法的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: computeQuotaUsage
import org.apache.hadoop.hdfs.server.namenode.snapshot.FileDiffList; //导入方法依赖的package包/类
@Override
public final Quota.Counts computeQuotaUsage(Quota.Counts counts,
boolean useCache, int lastSnapshotId) {
long nsDelta = 1;
final long dsDelta;
FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
if (sf != null) {
FileDiffList fileDiffList = sf.getDiffs();
int last = fileDiffList.getLastSnapshotId();
if (lastSnapshotId == Snapshot.CURRENT_STATE_ID
|| last == Snapshot.CURRENT_STATE_ID) {
dsDelta = diskspaceConsumed();
} else if (last < lastSnapshotId) {
dsDelta = computeFileSize(true, false) * getFileReplication();
} else {
int sid = fileDiffList.getSnapshotById(lastSnapshotId);
dsDelta = diskspaceConsumed(sid);
}
} else {
dsDelta = diskspaceConsumed();
}
counts.add(Quota.NAMESPACE, nsDelta);
counts.add(Quota.DISKSPACE, dsDelta);
return counts;
}
示例2: computeQuotaUsage
import org.apache.hadoop.hdfs.server.namenode.snapshot.FileDiffList; //导入方法依赖的package包/类
@Override
public final Quota.Counts computeQuotaUsage(Quota.Counts counts,
boolean useCache, int lastSnapshotId) {
long nsDelta = 1;
final long dsDelta;
FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
if (sf != null) {
FileDiffList fileDiffList = sf.getDiffs();
int last = fileDiffList.getLastSnapshotId();
List<FileDiff> diffs = fileDiffList.asList();
if (lastSnapshotId == Snapshot.CURRENT_STATE_ID
|| last == Snapshot.CURRENT_STATE_ID) {
nsDelta += diffs.size();
dsDelta = diskspaceConsumed();
} else if (last < lastSnapshotId) {
dsDelta = computeFileSize(true, false) * getFileReplication();
} else {
int sid = fileDiffList.getSnapshotById(lastSnapshotId);
dsDelta = diskspaceConsumed(sid);
}
} else {
dsDelta = diskspaceConsumed();
}
counts.add(Quota.NAMESPACE, nsDelta);
counts.add(Quota.DISKSPACE, dsDelta);
return counts;
}
示例3: computeQuotaUsage
import org.apache.hadoop.hdfs.server.namenode.snapshot.FileDiffList; //导入方法依赖的package包/类
@Override
public final QuotaCounts computeQuotaUsage(
BlockStoragePolicySuite bsps, byte blockStoragePolicyId,
QuotaCounts counts, boolean useCache,
int lastSnapshotId) {
long nsDelta = 1;
final long ssDeltaNoReplication;
short replication;
FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
if (sf != null) {
FileDiffList fileDiffList = sf.getDiffs();
int last = fileDiffList.getLastSnapshotId();
if (lastSnapshotId == Snapshot.CURRENT_STATE_ID
|| last == Snapshot.CURRENT_STATE_ID) {
ssDeltaNoReplication = storagespaceConsumedNoReplication();
replication = getBlockReplication();
} else if (last < lastSnapshotId) {
ssDeltaNoReplication = computeFileSize(true, false);
replication = getFileReplication();
} else {
int sid = fileDiffList.getSnapshotById(lastSnapshotId);
ssDeltaNoReplication = storagespaceConsumedNoReplication(sid);
replication = getReplication(sid);
}
} else {
ssDeltaNoReplication = storagespaceConsumedNoReplication();
replication = getBlockReplication();
}
counts.addNameSpace(nsDelta);
counts.addStorageSpace(ssDeltaNoReplication * replication);
if (blockStoragePolicyId != ID_UNSPECIFIED){
BlockStoragePolicy bsp = bsps.getPolicy(blockStoragePolicyId);
List<StorageType> storageTypes = bsp.chooseStorageTypes(replication);
for (StorageType t : storageTypes) {
if (!t.supportTypeQuota()) {
continue;
}
counts.addTypeSpace(t, ssDeltaNoReplication);
}
}
return counts;
}
示例4: computeQuotaUsage
import org.apache.hadoop.hdfs.server.namenode.snapshot.FileDiffList; //导入方法依赖的package包/类
@Override
public final QuotaCounts computeQuotaUsage(BlockStoragePolicySuite bsps,
byte blockStoragePolicyId, boolean useCache, int lastSnapshotId) {
final QuotaCounts counts = new QuotaCounts.Builder().nameSpace(1).build();
final BlockStoragePolicy bsp = (blockStoragePolicyId ==
BLOCK_STORAGE_POLICY_ID_UNSPECIFIED) ? null :
bsps.getPolicy(blockStoragePolicyId);
FileWithSnapshotFeature sf = getFileWithSnapshotFeature();
if (sf == null) {
counts.add(storagespaceConsumed(bsp));
return counts;
}
FileDiffList fileDiffList = sf.getDiffs();
int last = fileDiffList.getLastSnapshotId();
if (lastSnapshotId == Snapshot.CURRENT_STATE_ID
|| last == Snapshot.CURRENT_STATE_ID) {
counts.add(storagespaceConsumed(bsp));
return counts;
}
final long ssDeltaNoReplication;
short replication;
if (isStriped()) {
return computeQuotaUsageWithStriped(bsp, counts);
}
if (last < lastSnapshotId) {
ssDeltaNoReplication = computeFileSize(true, false);
replication = getFileReplication();
} else {
int sid = fileDiffList.getSnapshotById(lastSnapshotId);
ssDeltaNoReplication = computeFileSize(sid);
replication = getFileReplication(sid);
}
counts.addStorageSpace(ssDeltaNoReplication * replication);
if (bsp != null) {
List<StorageType> storageTypes = bsp.chooseStorageTypes(replication);
for (StorageType t : storageTypes) {
if (!t.supportTypeQuota()) {
continue;
}
counts.addTypeSpace(t, ssDeltaNoReplication);
}
}
return counts;
}