本文整理匯總了Java中org.apache.hadoop.hbase.wal.DefaultWALProvider.getNumRolledLogFiles方法的典型用法代碼示例。如果您正苦於以下問題:Java DefaultWALProvider.getNumRolledLogFiles方法的具體用法?Java DefaultWALProvider.getNumRolledLogFiles怎麽用?Java DefaultWALProvider.getNumRolledLogFiles使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類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個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: testWALRollWriting
import org.apache.hadoop.hbase.wal.DefaultWALProvider; //導入方法依賴的package包/類
@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; //導入方法依賴的package包/類
/**
* 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; //導入方法依賴的package包/類
@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; //導入方法依賴的package包/類
/**
* 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);
}