feat: remove compression from engine responses (#9667)

* test uncompressed get blobs v2

Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>

* comment

Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>

* changelog

Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>

---------

Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
Co-authored-by: Simon Dudley <simon.dudley@consensys.net>

Author: Gabriel-Trintinalia

CHANGELOG.md

@@ -26,6 +26,8 @@
 - Update to log4j 2.25.3 [#9600](https://github.com/hyperledger/besu/pull/9600)
 - Add `engine_getBlobsV3` method [#9582](https://github.com/hyperledger/besu/pull/9582)
 - Verify plugins on start [#9601](https://github.com/hyperledger/besu/pull/9601)
+- Improved `getBlobsV2` performance by disabling HTTP response compression, with up to 10× throughput improvement observed for large numbers of blobs. [#9667](https://github.com/hyperledger/besu/pull/9667)
+
 
 ### Bug fixes
 - Fix promotion to prioritized layer for gas price fee markets [#9635](https://github.com/hyperledger/besu/pull/9635)

ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/EngineJsonRpcService.java

@@ -523,7 +523,9 @@ private HttpServerOptions getHttpServerOptions() {
             .setHost(config.getHost())
             .setPort(config.getPort())
             .setHandle100ContinueAutomatically(true)
-            .setCompressionSupported(true);
+            // Disable compression due performance degradation for large responses (e.g.,
+            // getBlobsV2)
+            .setCompressionSupported(false);
 
     httpServerOptions.setMaxWebSocketFrameSize(socketConfiguration.getMaxFrameSize());
     httpServerOptions.setMaxWebSocketMessageSize(socketConfiguration.getMaxFrameSize() * 4);