本文整理汇总了Java中org.apache.hadoop.hbase.regionserver.HRegion.getWAL方法的典型用法代码示例。如果您正苦于以下问题：Java HRegion.getWAL方法的具体用法？Java HRegion.getWAL怎么用？Java HRegion.getWAL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.HRegion的用法示例。
在下文中一共展示了HRegion.getWAL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: closeRegion
import org.apache.hadoop.hbase.regionserver.HRegion; //导入方法依赖的package包/类
private void closeRegion(final HRegion region) throws IOException {
if (region != null) {
region.close();
WAL wal = region.getWAL();
if (wal != null) {
wal.shutdown();
}
}
}
示例2: closeRegionAndWAL
import org.apache.hadoop.hbase.regionserver.HRegion; //导入方法依赖的package包/类
/**
* Close both the HRegion {@code r} and it's underlying WAL. For use in tests.
*/
public static void closeRegionAndWAL(final HRegion r) throws IOException {
if (r == null) return;
r.close();
if (r.getWAL() == null) return;
r.getWAL().close();
}
示例3: loadRegion
import org.apache.hadoop.hbase.regionserver.HRegion; //导入方法依赖的package包/类
/**
* Load region with rows from 'aaa' to 'zzz'.
* @param r Region
* @param f Family
* @param flush flush the cache if true
* @return Count of rows loaded.
* @throws IOException
*/
public int loadRegion(final HRegion r, final byte[] f, final boolean flush)
throws IOException {
byte[] k = new byte[3];
int rowCount = 0;
for (byte b1 = 'a'; b1 <= 'z'; b1++) {
for (byte b2 = 'a'; b2 <= 'z'; b2++) {
for (byte b3 = 'a'; b3 <= 'z'; b3++) {
k[0] = b1;
k[1] = b2;
k[2] = b3;
Put put = new Put(k);
put.setDurability(Durability.SKIP_WAL);
put.add(f, null, k);
if (r.getWAL() == null) {
put.setDurability(Durability.SKIP_WAL);
}
int preRowCount = rowCount;
int pause = 10;
int maxPause = 1000;
while (rowCount == preRowCount) {
try {
r.put(put);
rowCount++;
} catch (RegionTooBusyException e) {
pause = (pause * 2 >= maxPause) ? maxPause : pause * 2;
Threads.sleep(pause);
}
}
}
}
if (flush) {
r.flush(true);
}
}
return rowCount;
}