本文整理汇总了Java中org.apache.hadoop.hbase.regionserver.compactions.ExploringCompactionPolicy类的典型用法代码示例。如果您正苦于以下问题：Java ExploringCompactionPolicy类的具体用法？Java ExploringCompactionPolicy怎么用？Java ExploringCompactionPolicy使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
ExploringCompactionPolicy类属于org.apache.hadoop.hbase.regionserver.compactions包，在下文中一共展示了ExploringCompactionPolicy类的2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: checkCompactionPolicy
import org.apache.hadoop.hbase.regionserver.compactions.ExploringCompactionPolicy; //导入依赖的package包/类
private void checkCompactionPolicy(Configuration conf, HTableDescriptor htd)
throws IOException {
// FIFO compaction has some requirements
// Actually FCP ignores periodic major compactions
String className =
htd.getConfigurationValue(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY);
if (className == null) {
className =
conf.get(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY,
ExploringCompactionPolicy.class.getName());
}
int blockingFileCount = HStore.DEFAULT_BLOCKING_STOREFILE_COUNT;
String sv = htd.getConfigurationValue(HStore.BLOCKING_STOREFILES_KEY);
if (sv != null) {
blockingFileCount = Integer.parseInt(sv);
} else {
blockingFileCount = conf.getInt(HStore.BLOCKING_STOREFILES_KEY, blockingFileCount);
}
for (HColumnDescriptor hcd : htd.getColumnFamilies()) {
String compactionPolicy =
hcd.getConfigurationValue(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY);
if (compactionPolicy == null) {
compactionPolicy = className;
}
if (!compactionPolicy.equals(FIFOCompactionPolicy.class.getName())) {
continue;
}
// FIFOCompaction
String message = null;
// 1. Check TTL
if (hcd.getTimeToLive() == HColumnDescriptor.DEFAULT_TTL) {
message = "Default TTL is not supported for FIFO compaction";
throw new IOException(message);
}
// 2. Check min versions
if (hcd.getMinVersions() > 0) {
message = "MIN_VERSION > 0 is not supported for FIFO compaction";
throw new IOException(message);
}
// 3. blocking file count
String sbfc = htd.getConfigurationValue(HStore.BLOCKING_STOREFILES_KEY);
if (sbfc != null) {
blockingFileCount = Integer.parseInt(sbfc);
}
if (blockingFileCount < 1000) {
message =
"blocking file count '" + HStore.BLOCKING_STOREFILES_KEY + "' " + blockingFileCount
+ " is below recommended minimum of 1000";
throw new IOException(message);
}
}
}
示例2: checkCompactionPolicy
import org.apache.hadoop.hbase.regionserver.compactions.ExploringCompactionPolicy; //导入依赖的package包/类
private void checkCompactionPolicy(Configuration conf, TableDescriptor htd)
throws IOException {
// FIFO compaction has some requirements
// Actually FCP ignores periodic major compactions
String className = htd.getValue(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY);
if (className == null) {
className =
conf.get(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY,
ExploringCompactionPolicy.class.getName());
}
int blockingFileCount = HStore.DEFAULT_BLOCKING_STOREFILE_COUNT;
String sv = htd.getValue(HStore.BLOCKING_STOREFILES_KEY);
if (sv != null) {
blockingFileCount = Integer.parseInt(sv);
} else {
blockingFileCount = conf.getInt(HStore.BLOCKING_STOREFILES_KEY, blockingFileCount);
}
for (ColumnFamilyDescriptor hcd : htd.getColumnFamilies()) {
String compactionPolicy =
hcd.getConfigurationValue(DefaultStoreEngine.DEFAULT_COMPACTION_POLICY_CLASS_KEY);
if (compactionPolicy == null) {
compactionPolicy = className;
}
if (!compactionPolicy.equals(FIFOCompactionPolicy.class.getName())) {
continue;
}
// FIFOCompaction
String message = null;
// 1. Check TTL
if (hcd.getTimeToLive() == ColumnFamilyDescriptorBuilder.DEFAULT_TTL) {
message = "Default TTL is not supported for FIFO compaction";
throw new IOException(message);
}
// 2. Check min versions
if (hcd.getMinVersions() > 0) {
message = "MIN_VERSION > 0 is not supported for FIFO compaction";
throw new IOException(message);
}
// 3. blocking file count
sv = hcd.getConfigurationValue(HStore.BLOCKING_STOREFILES_KEY);
if (sv != null) {
blockingFileCount = Integer.parseInt(sv);
}
if (blockingFileCount < 1000) {
message =
"Blocking file count '" + HStore.BLOCKING_STOREFILES_KEY + "' " + blockingFileCount
+ " is below recommended minimum of 1000 for column family "+ hcd.getNameAsString();
throw new IOException(message);
}
}
}