本文整理汇总了Java中org.apache.hadoop.hbase.master.handler.ServerShutdownHandler.fixupDaughters方法的典型用法代码示例。如果您正苦于以下问题:Java ServerShutdownHandler.fixupDaughters方法的具体用法?Java ServerShutdownHandler.fixupDaughters怎么用?Java ServerShutdownHandler.fixupDaughters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.master.handler.ServerShutdownHandler
的用法示例。
在下文中一共展示了ServerShutdownHandler.fixupDaughters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: fixupDaughters
import org.apache.hadoop.hbase.master.handler.ServerShutdownHandler; //导入方法依赖的package包/类
void fixupDaughters(final MonitoredTask status) throws IOException, KeeperException {
final Map<HRegionInfo, Result> offlineSplitParents =
new HashMap<HRegionInfo, Result>();
// This visitor collects offline split parents in the .META. table
MetaReader.Visitor visitor = new MetaReader.Visitor() {
@Override
public boolean visit(Result r) throws IOException {
if (r == null || r.isEmpty()) return true;
HRegionInfo info =
MetaReader.parseHRegionInfoFromCatalogResult(
r, HConstants.REGIONINFO_QUALIFIER);
if (info == null) return true; // Keep scanning
if (info.isOffline() && info.isSplit()) {
offlineSplitParents.put(info, r);
}
// Returning true means "keep scanning"
return true;
}
};
// Run full scan of .META. catalog table passing in our custom visitor
MetaReader.fullScan(this.catalogTracker, visitor);
// Now work on our list of found parents. See if any we can clean up.
int fixups = 0;
for (Map.Entry<HRegionInfo, Result> e : offlineSplitParents.entrySet()) {
String node = ZKAssign.getNodeName(zooKeeper, e.getKey().getEncodedName());
byte[] data = ZKUtil.getData(zooKeeper, node);
if (data == null) { // otherwise, splitting is still going on, skip it
fixups += ServerShutdownHandler.fixupDaughters(
e.getValue(), assignmentManager, catalogTracker);
}
}
if (fixups != 0) {
LOG.info("Scanned the catalog and fixed up " + fixups +
" missing daughter region(s)");
}
}
示例2: fixupDaughters
import org.apache.hadoop.hbase.master.handler.ServerShutdownHandler; //导入方法依赖的package包/类
void fixupDaughters(final MonitoredTask status) throws IOException {
final Map<HRegionInfo, Result> offlineSplitParents =
new HashMap<HRegionInfo, Result>();
// This visitor collects offline split parents in the .META. table
MetaReader.Visitor visitor = new MetaReader.Visitor() {
@Override
public boolean visit(Result r) throws IOException {
if (r == null || r.isEmpty()) return true;
HRegionInfo info =
MetaReader.parseHRegionInfoFromCatalogResult(
r, HConstants.REGIONINFO_QUALIFIER);
if (info == null) return true; // Keep scanning
if (info.isOffline() && info.isSplit()) {
offlineSplitParents.put(info, r);
}
// Returning true means "keep scanning"
return true;
}
};
// Run full scan of .META. catalog table passing in our custom visitor
MetaReader.fullScan(this.catalogTracker, visitor);
// Now work on our list of found parents. See if any we can clean up.
int fixups = 0;
for (Map.Entry<HRegionInfo, Result> e : offlineSplitParents.entrySet()) {
fixups += ServerShutdownHandler.fixupDaughters(
e.getValue(), assignmentManager, catalogTracker);
}
if (fixups != 0) {
LOG.info("Scanned the catalog and fixed up " + fixups +
" missing daughter region(s)");
}
}
示例3: fixupDaughters
import org.apache.hadoop.hbase.master.handler.ServerShutdownHandler; //导入方法依赖的package包/类
void fixupDaughters(final MonitoredTask status) throws IOException {
final Map<HRegionInfo, Result> offlineSplitParents =
new HashMap<HRegionInfo, Result>();
// This visitor collects offline split parents in the .META. table
MetaReader.Visitor visitor = new MetaReader.Visitor() {
@Override
public boolean visit(Result r) throws IOException {
if (r == null || r.isEmpty()) return true;
HRegionInfo info =
HRegionInfo.getHRegionInfo(r);
if (info == null) return true; // Keep scanning
if (info.isOffline() && info.isSplit()) {
offlineSplitParents.put(info, r);
}
// Returning true means "keep scanning"
return true;
}
};
// Run full scan of .META. catalog table passing in our custom visitor
MetaReader.fullScan(this.catalogTracker, visitor);
// Now work on our list of found parents. See if any we can clean up.
int fixups = 0;
for (Map.Entry<HRegionInfo, Result> e : offlineSplitParents.entrySet()) {
ServerName sn = HRegionInfo.getServerName(e.getValue());
if (!serverManager.isServerDead(sn)) { // Otherwise, let SSH take care of it
fixups += ServerShutdownHandler.fixupDaughters(
e.getValue(), assignmentManager, catalogTracker);
}
}
if (fixups != 0) {
LOG.info("Scanned the catalog and fixed up " + fixups +
" missing daughter region(s)");
}
}