本文整理汇总了Java中org.apache.hadoop.hbase.wal.DefaultWALProvider.getNumRolledLogFiles方法的典型用法代码示例。如果您正苦于以下问题:Java DefaultWALProvider.getNumRolledLogFiles方法的具体用法?Java DefaultWALProvider.getNumRolledLogFiles怎么用?Java DefaultWALProvider.getNumRolledLogFiles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.wal.DefaultWALProvider
的用法示例。
在下文中一共展示了DefaultWALProvider.getNumRolledLogFiles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: testWALRollWriting
import org.apache.hadoop.hbase.wal.DefaultWALProvider; //导入方法依赖的package包/类
@Test (timeout=300000)
public void testWALRollWriting() throws Exception {
setUpforLogRolling();
String className = this.getClass().getName();
StringBuilder v = new StringBuilder(className);
while (v.length() < 1000) {
v.append(className);
}
byte[] value = Bytes.toBytes(v.toString());
HRegionServer regionServer = startAndWriteData(TableName.valueOf("TestLogRolling"), value);
LOG.info("after writing there are "
+ DefaultWALProvider.getNumRolledLogFiles(regionServer.getWAL(null)) + " log files");
// flush all regions
for (Region r : regionServer.getOnlineRegionsLocalContext()) {
r.flush(true);
}
admin.rollWALWriter(regionServer.getServerName());
int count = DefaultWALProvider.getNumRolledLogFiles(regionServer.getWAL(null));
LOG.info("after flushing all regions and rolling logs there are " +
count + " log files");
assertTrue(("actual count: " + count), count <= 2);
}
示例2: testLogRolling
import org.apache.hadoop.hbase.wal.DefaultWALProvider; //导入方法依赖的package包/类
/**
* Tests that logs are deleted
* @throws IOException
* @throws org.apache.hadoop.hbase.regionserver.wal.FailedLogCloseException
*/
@Test
public void testLogRolling() throws Exception {
this.tableName = getName();
// TODO: Why does this write data take for ever?
startAndWriteData();
final WAL log = server.getWAL(null);
LOG.info("after writing there are " + DefaultWALProvider.getNumRolledLogFiles(log) +
" log files");
// flush all regions
for (Region r: server.getOnlineRegionsLocalContext()) {
r.flush(true);
}
// Now roll the log
log.rollWriter();
int count = DefaultWALProvider.getNumRolledLogFiles(log);
LOG.info("after flushing all regions and rolling logs there are " + count + " log files");
assertTrue(("actual count: " + count), count <= 2);
}
示例3: testWALRollWriting
import org.apache.hadoop.hbase.wal.DefaultWALProvider; //导入方法依赖的package包/类
@Test (timeout=300000)
public void testWALRollWriting() throws Exception {
setUpforLogRolling();
String className = this.getClass().getName();
StringBuilder v = new StringBuilder(className);
while (v.length() < 1000) {
v.append(className);
}
byte[] value = Bytes.toBytes(v.toString());
HRegionServer regionServer = startAndWriteData(TableName.valueOf("TestLogRolling"), value);
LOG.info("after writing there are "
+ DefaultWALProvider.getNumRolledLogFiles(regionServer.getWAL(null)) + " log files");
// flush all regions
List<HRegion> regions = new ArrayList<HRegion>(regionServer
.getOnlineRegionsLocalContext());
for (HRegion r : regions) {
r.flushcache();
}
admin.rollWALWriter(regionServer.getServerName());
int count = DefaultWALProvider.getNumRolledLogFiles(regionServer.getWAL(null));
LOG.info("after flushing all regions and rolling logs there are " +
count + " log files");
assertTrue(("actual count: " + count), count <= 2);
}
示例4: testLogRolling
import org.apache.hadoop.hbase.wal.DefaultWALProvider; //导入方法依赖的package包/类
/**
* Tests that logs are deleted
* @throws IOException
* @throws org.apache.hadoop.hbase.regionserver.wal.FailedLogCloseException
*/
@Test
public void testLogRolling() throws Exception {
this.tableName = getName();
// TODO: Why does this write data take for ever?
startAndWriteData();
final WAL log = server.getWAL(null);
LOG.info("after writing there are " + DefaultWALProvider.getNumRolledLogFiles(log) +
" log files");
// flush all regions
List<HRegion> regions =
new ArrayList<HRegion>(server.getOnlineRegionsLocalContext());
for (HRegion r: regions) {
r.flushcache();
}
// Now roll the log
log.rollWriter();
int count = DefaultWALProvider.getNumRolledLogFiles(log);
LOG.info("after flushing all regions and rolling logs there are " + count + " log files");
assertTrue(("actual count: " + count), count <= 2);
}