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Release Pooled Buffers Earlier for HTTP Requests (#44952) (#44991) 

* We should release the buffers right after copying and not only do so after we did all the request handling on the copy
* Relates #44564
This commit is contained in:
Armin Braun 2019-07-30 10:30:01 +02:00 committed by GitHub
parent f575370e2f
commit 4495140d1f
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2 changed files with 36 additions and 38 deletions
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13
modules/transport-netty4/src/main/java/org/elasticsearch/http/netty4/Netty4HttpRequestHandler.java
View File

@ -41,9 +41,9 @@ class Netty4HttpRequestHandler extends SimpleChannelInboundHandler<HttpPipelined
protected void channelRead0(ChannelHandlerContext ctx, HttpPipelinedRequest<FullHttpRequest> msg) { protected void channelRead0(ChannelHandlerContext ctx, HttpPipelinedRequest<FullHttpRequest> msg) {
Netty4HttpChannel channel = ctx.channel().attr(Netty4HttpServerTransport.HTTP_CHANNEL_KEY).get(); Netty4HttpChannel channel = ctx.channel().attr(Netty4HttpServerTransport.HTTP_CHANNEL_KEY).get();
FullHttpRequest request = msg.getRequest(); FullHttpRequest request = msg.getRequest();
final FullHttpRequest copiedRequest;
try { try {
final FullHttpRequest copiedRequest = copiedRequest =
new DefaultFullHttpRequest( new DefaultFullHttpRequest(
request.protocolVersion(), request.protocolVersion(),
request.method(), request.method(),
@ -51,7 +51,10 @@ class Netty4HttpRequestHandler extends SimpleChannelInboundHandler<HttpPipelined
Unpooled.copiedBuffer(request.content()), Unpooled.copiedBuffer(request.content()),
request.headers(), request.headers(),
request.trailingHeaders()); request.trailingHeaders());
} finally {
// As we have copied the buffer, we can release the request
request.release();
}
Netty4HttpRequest httpRequest = new Netty4HttpRequest(copiedRequest, msg.getSequence()); Netty4HttpRequest httpRequest = new Netty4HttpRequest(copiedRequest, msg.getSequence());
if (request.decoderResult().isFailure()) { if (request.decoderResult().isFailure()) {
@ -65,10 +68,6 @@ class Netty4HttpRequestHandler extends SimpleChannelInboundHandler<HttpPipelined
} else { } else {
serverTransport.incomingRequest(httpRequest, channel); serverTransport.incomingRequest(httpRequest, channel);
} }
} finally {
// As we have copied the buffer, we can release the request
request.release();
}
} }
@Override @Override

13
plugins/transport-nio/src/main/java/org/elasticsearch/http/nio/HttpReadWriteHandler.java
View File

@ -159,16 +159,19 @@ public class HttpReadWriteHandler implements NioChannelHandler {
final HttpPipelinedRequest<FullHttpRequest> pipelinedRequest = (HttpPipelinedRequest<FullHttpRequest>) msg; final HttpPipelinedRequest<FullHttpRequest> pipelinedRequest = (HttpPipelinedRequest<FullHttpRequest>) msg;
FullHttpRequest request = pipelinedRequest.getRequest(); FullHttpRequest request = pipelinedRequest.getRequest();
final FullHttpRequest copiedRequest;
try { try {
final FullHttpRequest copiedRequest = copiedRequest = new DefaultFullHttpRequest(
new DefaultFullHttpRequest(
request.protocolVersion(), request.protocolVersion(),
request.method(), request.method(),
request.uri(), request.uri(),
Unpooled.copiedBuffer(request.content()), Unpooled.copiedBuffer(request.content()),
request.headers(), request.headers(),
request.trailingHeaders()); request.trailingHeaders());
} finally {
// As we have copied the buffer, we can release the request
request.release();
}
NioHttpRequest httpRequest = new NioHttpRequest(copiedRequest, pipelinedRequest.getSequence()); NioHttpRequest httpRequest = new NioHttpRequest(copiedRequest, pipelinedRequest.getSequence());
if (request.decoderResult().isFailure()) { if (request.decoderResult().isFailure()) {
@ -182,10 +185,6 @@ public class HttpReadWriteHandler implements NioChannelHandler {
} else { } else {
transport.incomingRequest(httpRequest, nioHttpChannel); transport.incomingRequest(httpRequest, nioHttpChannel);
} }
} finally {
// As we have copied the buffer, we can release the request
request.release();
}
} }
private void maybeReadTimeout() { private void maybeReadTimeout() {