gaborgsomogyi commented on code in PR #28136:
URL: https://github.com/apache/flink/pull/28136#discussion_r3249114993
##########
flink-filesystems/flink-s3-fs-native/pom.xml:
##########
@@ -89,6 +89,18 @@ under the License.
<optional>${flink.markBundledAsOptional}</optional>
</dependency>
+ <!--
+ AWS CRT HTTP client (compile-only; NOT bundled in fat
JAR due to JNI shading constraints).
+ Users who enable s3.crt.enabled must place
aws-crt-client and aws-crt JARs
+ in the Flink plugin directory alongside
flink-s3-fs-native.jar.
+ -->
Review Comment:
Some step-by-step would be good on doc page
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flink-filesystems/flink-s3-fs-native/src/main/java/org/apache/flink/fs/s3native/NativeS3FileSystemFactory.java:
##########
@@ -292,6 +292,27 @@ public class NativeS3FileSystemFactory implements
FileSystemFactory {
+ "When not set, the default chain is
used: delegation tokens -> "
+ "static credentials (if configured) ->
DefaultCredentialsProvider.");
+ public static final ConfigOption<Boolean> CRT_ENABLED =
+ ConfigOptions.key("s3.crt.enabled")
+ .booleanType()
+ .defaultValue(false)
+ .withDescription(
+ "Enable AWS Common Runtime (CRT) HTTP transport. "
+ + "When true, uses AwsCrtHttpClient for
sync S3 operations and "
+ + "S3AsyncClient.crtBuilder() for
async/transfer operations, "
+ + "providing higher throughput for large
S3 transfers. "
+ + "Requires aws-crt-client and aws-crt
JARs in the plugin directory "
+ + "(they are not bundled in the fat JAR
due to JNI shading constraints).");
+
+ public static final ConfigOption<Double> CRT_TARGET_THROUGHPUT_GBPS =
Review Comment:
Is this soft or hard limit?
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