本文整理了Java中org.apache.hadoop.hbase.regionserver.HStore.hasReferences()
方法的一些代码示例,展示了HStore.hasReferences()
的具体用法。这些代码示例主要来源于Github
/Stackoverflow
/Maven
等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。HStore.hasReferences()
方法的具体详情如下:
包路径:org.apache.hadoop.hbase.regionserver.HStore
类名称:HStore
方法名:hasReferences
暂无
代码示例来源:origin: apache/hbase
@Override
public boolean canSplit() {
this.lock.readLock().lock();
try {
// Not split-able if we find a reference store file present in the store.
boolean result = !hasReferences();
if (!result) {
LOG.trace("Not splittable; has references: {}", this);
}
return result;
} finally {
this.lock.readLock().unlock();
}
}
代码示例来源:origin: apache/hbase
/**
* Determines if Store should be split.
*/
public Optional<byte[]> getSplitPoint() {
this.lock.readLock().lock();
try {
// Should already be enforced by the split policy!
assert !this.getRegionInfo().isMetaRegion();
// Not split-able if we find a reference store file present in the store.
if (hasReferences()) {
LOG.trace("Not splittable; has references: {}", this);
return Optional.empty();
}
return this.storeEngine.getStoreFileManager().getSplitPoint();
} catch(IOException e) {
LOG.warn("Failed getting store size for {}", this, e);
} finally {
this.lock.readLock().unlock();
}
return Optional.empty();
}
代码示例来源:origin: apache/hbase
@Override
public void postOpenDeployTasks(final PostOpenDeployContext context) throws IOException {
HRegion r = context.getRegion();
long masterSystemTime = context.getMasterSystemTime();
rpcServices.checkOpen();
LOG.info("Post open deploy tasks for " + r.getRegionInfo().getRegionNameAsString());
// Do checks to see if we need to compact (references or too many files)
for (HStore s : r.stores.values()) {
if (s.hasReferences() || s.needsCompaction()) {
this.compactSplitThread.requestSystemCompaction(r, s, "Opening Region");
}
}
long openSeqNum = r.getOpenSeqNum();
if (openSeqNum == HConstants.NO_SEQNUM) {
// If we opened a region, we should have read some sequence number from it.
LOG.error(
"No sequence number found when opening " + r.getRegionInfo().getRegionNameAsString());
openSeqNum = 0;
}
// Notify master
if (!reportRegionStateTransition(new RegionStateTransitionContext(TransitionCode.OPENED,
openSeqNum, masterSystemTime, r.getRegionInfo()))) {
throw new IOException(
"Failed to report opened region to master: " + r.getRegionInfo().getRegionNameAsString());
}
triggerFlushInPrimaryRegion(r);
LOG.debug("Finished post open deploy task for " + r.getRegionInfo().getRegionNameAsString());
}
代码示例来源:origin: harbby/presto-connectors
@Override
public boolean canSplit() {
this.lock.readLock().lock();
try {
// Not split-able if we find a reference store file present in the store.
boolean result = !hasReferences();
if (!result && LOG.isDebugEnabled()) {
LOG.debug("Cannot split region due to reference files being there");
}
return result;
} finally {
this.lock.readLock().unlock();
}
}
代码示例来源:origin: harbby/presto-connectors
@Override
public byte[] getSplitPoint() {
this.lock.readLock().lock();
try {
// Should already be enforced by the split policy!
assert !this.getRegionInfo().isMetaRegion();
// Not split-able if we find a reference store file present in the store.
if (hasReferences()) {
return null;
}
return this.storeEngine.getStoreFileManager().getSplitPoint();
} catch(IOException e) {
LOG.warn("Failed getting store size for " + this, e);
} finally {
this.lock.readLock().unlock();
}
return null;
}
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