本文整理汇总了Java中org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy.getBackoffTime方法的典型用法代码示例。如果您正苦于以下问题:Java ExponentialClientBackoffPolicy.getBackoffTime方法的具体用法?Java ExponentialClientBackoffPolicy.getBackoffTime怎么用?Java ExponentialClientBackoffPolicy.getBackoffTime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.client.backoff.ExponentialClientBackoffPolicy
的用法示例。
在下文中一共展示了ExponentialClientBackoffPolicy.getBackoffTime方法的6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: testResultOrdering
import org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy; //导入方法依赖的package包/类
/**
* Make sure that we get results in the order that we expect - backoff for a load of 1 should
* less than backoff for 10, which should be less than that for 50.
*/
@Test
public void testResultOrdering() {
Configuration conf = new Configuration(false);
// make the max timeout really high so we get differentiation between load factors
conf.setLong(ExponentialClientBackoffPolicy.MAX_BACKOFF_KEY, Integer.MAX_VALUE);
ExponentialClientBackoffPolicy backoff = new ExponentialClientBackoffPolicy(conf);
ServerStatistics stats = new ServerStatistics();
long previous = backoff.getBackoffTime(server, regionname, stats);
for (int i = 1; i <= 100; i++) {
update(stats, i);
long next = backoff.getBackoffTime(server, regionname, stats);
assertTrue(
"Previous backoff time" + previous + " >= " + next + ", the next backoff time for " +
"load " + i, previous < next);
previous = next;
}
}
示例2: testHeapOccupancyPolicy
import org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy; //导入方法依赖的package包/类
@Test
public void testHeapOccupancyPolicy() {
Configuration conf = new Configuration(false);
ExponentialClientBackoffPolicy backoff = new ExponentialClientBackoffPolicy(conf);
ServerStatistics stats = new ServerStatistics();
long backoffTime;
update(stats, 0, 95, 0);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Heap occupancy at low watermark had no effect", backoffTime > 0);
long previous = backoffTime;
update(stats, 0, 96, 0);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Increase above low watermark should have increased backoff",
backoffTime > previous);
update(stats, 0, 98, 0);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertEquals("We should be using max backoff when at high watermark", backoffTime,
ExponentialClientBackoffPolicy.DEFAULT_MAX_BACKOFF);
}
示例3: testCompactionPressurePolicy
import org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy; //导入方法依赖的package包/类
@Test
public void testCompactionPressurePolicy() {
Configuration conf = new Configuration(false);
ExponentialClientBackoffPolicy backoff = new ExponentialClientBackoffPolicy(conf);
ServerStatistics stats = new ServerStatistics();
long backoffTime;
update(stats, 0, 0, 0);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Compaction pressure has no effect", backoffTime == 0);
long previous = backoffTime;
update(stats, 0, 0, 50);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Compaction pressure should be bigger",
backoffTime > previous);
update(stats, 0, 0, 100);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertEquals("under heavy compaction pressure", backoffTime,
ExponentialClientBackoffPolicy.DEFAULT_MAX_BACKOFF);
}
示例4: testHeapOccupancyPolicy
import org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy; //导入方法依赖的package包/类
@Test
public void testHeapOccupancyPolicy() {
Configuration conf = new Configuration(false);
ExponentialClientBackoffPolicy backoff = new ExponentialClientBackoffPolicy(conf);
ServerStatistics stats = new ServerStatistics();
long backoffTime;
update(stats, 0, 95);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Heap occupancy at low watermark had no effect", backoffTime > 0);
long previous = backoffTime;
update(stats, 0, 96);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Increase above low watermark should have increased backoff",
backoffTime > previous);
update(stats, 0, 98);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertEquals("We should be using max backoff when at high watermark", backoffTime,
ExponentialClientBackoffPolicy.DEFAULT_MAX_BACKOFF);
}
示例5: testHeapOccupancyPolicy
import org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy; //导入方法依赖的package包/类
@Test
public void testHeapOccupancyPolicy() {
Configuration conf = new Configuration(false);
ExponentialClientBackoffPolicy backoff = new ExponentialClientBackoffPolicy(conf);
ServerStatistics stats = new ServerStatistics();
long backoffTime;
update(stats, 0, 95, 0);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Heap occupancy at low watermark had no effect", backoffTime > 0);
long previous = backoffTime;
update(stats, 0, 96, 0);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Increase above low watermark should have increased backoff",
backoffTime > previous);
update(stats, 0, 98, 0);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertEquals("We should be using max backoff when at high watermark",
ExponentialClientBackoffPolicy.DEFAULT_MAX_BACKOFF, backoffTime);
}
示例6: testCompactionPressurePolicy
import org.apache.hadoop.hbase.client.backoff.ExponentialClientBackoffPolicy; //导入方法依赖的package包/类
@Test
public void testCompactionPressurePolicy() {
Configuration conf = new Configuration(false);
ExponentialClientBackoffPolicy backoff = new ExponentialClientBackoffPolicy(conf);
ServerStatistics stats = new ServerStatistics();
long backoffTime;
update(stats, 0, 0, 0);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Compaction pressure has no effect", backoffTime == 0);
long previous = backoffTime;
update(stats, 0, 0, 50);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertTrue("Compaction pressure should be bigger",
backoffTime > previous);
update(stats, 0, 0, 100);
backoffTime = backoff.getBackoffTime(server, regionname, stats);
assertEquals("under heavy compaction pressure",
ExponentialClientBackoffPolicy.DEFAULT_MAX_BACKOFF, backoffTime);
}