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HBASE-17235 Improvement in creation of CIS for onheap buffer cases (Ram)

This commit is contained in:
Ramkrishna 2016-12-02 14:07:16 +05:30
parent 3b72b69d0e
commit cb5c4c146f
1 changed files with 3 additions and 2 deletions
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5
hbase-server/src/main/java/org/apache/hadoop/hbase/ipc/RpcServer.java
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@ -156,6 +156,7 @@ import org.apache.hadoop.hbase.shaded.com.google.protobuf.Descriptors.MethodDesc
import org.apache.hadoop.hbase.shaded.com.google.protobuf.Message;
import org.apache.hadoop.hbase.shaded.com.google.protobuf.ServiceException;
import org.apache.hadoop.hbase.shaded.com.google.protobuf.TextFormat;
import org.apache.hadoop.hbase.shaded.com.google.protobuf.UnsafeByteOperations;
/**
* An RPC server that hosts protobuf described Services.
@ -2148,11 +2149,11 @@ public class RpcServer implements RpcServerInterface, ConfigurationObserver {
// do its default 4k allocation for CodedInputStream. We force it to use backing array.
CodedInputStream cis;
if (buf.hasArray()) {
cis = CodedInputStream.newInstance(buf.array(), offset, buf.limit());
cis = UnsafeByteOperations.unsafeWrap(buf.array(), 0, buf.limit()).newCodedInput();
} else {
cis = CodedInputStream.newInstance(new ByteBuffByteInput(buf, 0, buf.limit()), true);
cis.enableAliasing(true);
}
cis.enableAliasing(true);
int headerSize = cis.readRawVarint32();
offset = cis.getTotalBytesRead();
Message.Builder builder = RequestHeader.newBuilder();