本文整理汇总了Java中org.apache.hadoop.hbase.regionserver.wal.WALUtil.writeFlushMarker方法的典型用法代码示例。如果您正苦于以下问题:Java WALUtil.writeFlushMarker方法的具体用法?Java WALUtil.writeFlushMarker怎么用?Java WALUtil.writeFlushMarker使用的例子?那么, 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.hbase.regionserver.wal.WALUtil
的用法示例。
在下文中一共展示了WALUtil.writeFlushMarker方法的3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: writeFlushRequestMarkerToWAL
import org.apache.hadoop.hbase.regionserver.wal.WALUtil; //导入方法依赖的package包/类
/**
* Writes a marker to WAL indicating a flush is requested but cannot be complete due to various
* reasons. Ignores exceptions from WAL. Returns whether the write succeeded.
*
* @param wal
* @return whether WAL write was successful
*/
private boolean writeFlushRequestMarkerToWAL(WAL wal, boolean writeFlushWalMarker) {
if (writeFlushWalMarker && wal != null && !writestate.readOnly) {
FlushDescriptor desc = ProtobufUtil
.toFlushDescriptor(FlushAction.CANNOT_FLUSH, getRegionInfo(), -1,
new TreeMap<byte[], List<Path>>(Bytes.BYTES_COMPARATOR));
try {
WALUtil.writeFlushMarker(wal, this.htableDescriptor, getRegionInfo(), desc, true, mvcc);
return true;
} catch (IOException e) {
LOG.warn(getRegionInfo().getEncodedName() + " : "
+ "Received exception while trying to write the flush request to wal", e);
}
}
return false;
}
示例2: doAbortFlushToWAL
import org.apache.hadoop.hbase.regionserver.wal.WALUtil; //导入方法依赖的package包/类
private void doAbortFlushToWAL(final WAL wal, final long flushOpSeqId,
final Map<byte[], List<Path>> committedFiles) {
if (wal == null) return;
try {
FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.ABORT_FLUSH,
getRegionInfo(), flushOpSeqId, committedFiles);
WALUtil.writeFlushMarker(wal, this.getReplicationScope(), getRegionInfo(), desc, false,
mvcc);
} catch (Throwable t) {
LOG.warn("Received unexpected exception trying to write ABORT_FLUSH marker to WAL:" +
StringUtils.stringifyException(t));
// ignore this since we will be aborting the RS with DSE.
}
// we have called wal.startCacheFlush(), now we have to abort it
wal.abortCacheFlush(this.getRegionInfo().getEncodedNameAsBytes());
}
示例3: writeFlushRequestMarkerToWAL
import org.apache.hadoop.hbase.regionserver.wal.WALUtil; //导入方法依赖的package包/类
/**
* Writes a marker to WAL indicating a flush is requested but cannot be complete due to various
* reasons. Ignores exceptions from WAL. Returns whether the write succeeded.
* @param wal
* @return whether WAL write was successful
*/
private boolean writeFlushRequestMarkerToWAL(WAL wal, boolean writeFlushWalMarker) {
if (writeFlushWalMarker && wal != null && !writestate.readOnly) {
FlushDescriptor desc = ProtobufUtil.toFlushDescriptor(FlushAction.CANNOT_FLUSH,
getRegionInfo(), -1, new TreeMap<>(Bytes.BYTES_COMPARATOR));
try {
WALUtil.writeFlushMarker(wal, this.getReplicationScope(), getRegionInfo(), desc, true,
mvcc);
return true;
} catch (IOException e) {
LOG.warn(getRegionInfo().getEncodedName() + " : "
+ "Received exception while trying to write the flush request to wal", e);
}
}
return false;
}