### **3.1 Configure Hadoop**

Navigate to **Services** -> **HDFS** -> **CONFIGS** -> **ADVANCED** as shown below

![hdfs-configs](https://github.com/minio/minio/blob/master/docs/bigdata/images/image2.png?raw=true "hdfs advanced configs")

Navigate to **Custom core-site** to configure MinIO parameters for `_s3a_` connector

![s3a-config](https://github.com/minio/minio/blob/master/docs/bigdata/images/image5.png?raw=true "custom core-site")

    void testWriteBytesWireFormatVariousConfigurations() {
        // Test with different buffer sizes and indices
        int[][] configs = { { 100, 0 }, { 1024, 50 }, { 4096, 2000 }, { 65536, 32768 } };

        for (int[] config : configs) {
            byte[] dst = new byte[config[0]];
            int dstIndex = config[1];

            int result = response.writeBytesWireFormat(dst, dstIndex);

import common.JvmVendor
import common.JvmVersion
import common.Os
import common.VersionedSettingsBranch
import common.asBuildScanCustomValue
import common.getBuildScanCustomValueParam
import jetbrains.buildServer.configs.kotlin.DslContext
import model.CIBuildModel
import model.JsonBasedGradleSubprojectProvider
import model.TestCoverage
import model.TestType
import org.junit.jupiter.api.Assertions.assertEquals
import org.junit.jupiter.api.Test

package util

import jetbrains.buildServer.configs.kotlin.Project

object UtilPerformanceProject : Project({
    id("Util_Performance")
    name = "Performance"

    buildType(AdHocPerformanceScenarioLinux)
    buildType(AdHocPerformanceScenarioWindows)
    buildType(AdHocPerformanceScenarioMacOS)
    buildType(AdHocPerformanceScenarioMacAppleSilicon)

    params {
        param("env.DEVELOCITY_ACCESS_KEY", "%ge.gradle.org.access.key%")

	}
}

func getOpenIDCfgNameFromClaims(claims map[string]any) (string, bool) {
	roleArn := claims[roleArnClaim]

	s := globalServerConfig.Clone()
	configs, err := globalIAMSys.OpenIDConfig.GetConfigList(s)
	if err != nil {
		return "", false
	}
	for _, cfg := range configs {
		if cfg.RoleARN == roleArn {
			return cfg.Name, true
		}
	}
	return "", false
}

import common.OpenJdk21
import common.OpenJdk25
import common.OpenJdk8
import common.Os
import common.VersionedSettingsBranch
import common.cleanupRule
import common.javaHome
import jetbrains.buildServer.configs.kotlin.Project

class PromotionProject(
    branch: VersionedSettingsBranch,
) : Project({
        id("Promotion")
        name = "Promotion"

        cleanupRule(historyDays = 14, artifactsDays = 7)

package common

import jetbrains.buildServer.configs.kotlin.DslContext

fun isSecurityFork(): Boolean =
    DslContext.settingsRoot.id
        .toString()
        .lowercase()
        .contains("security")

// GradleMaster -> Master
// GradleSecurityAdvisory84mwRelease -> SecurityAdvisory84mwRelease
val DslContext.uuidPrefix: String
    get() = settingsRoot.id.toString().substringAfter("Gradle")

data class VersionedSettingsBranch(

 * limitations under the License.
 */

package configurations

import common.applyDefaultSettings
import common.uuidPrefix
import jetbrains.buildServer.configs.kotlin.DslContext
import model.CIBuildModel

class PartialTrigger<T : BaseGradleBuildType>(
    triggerName: String,
    triggerId: String,
    model: CIBuildModel,
    dependencies: Iterable<T>,

package projects

import common.VersionedSettingsBranch
import common.isSecurityFork
import jetbrains.buildServer.configs.kotlin.Project
import model.CIBuildModel
import model.DefaultFunctionalTestBucketProvider
import model.JsonBasedGradleSubprojectProvider
import promotion.PromotionProject
import util.UtilPerformanceProject
import util.UtilProject
import java.io.File

class GradleBuildToolRootProject(
    branch: VersionedSettingsBranch,

package projects

import configurations.PerformanceTest
import jetbrains.buildServer.configs.kotlin.Project
import model.CIBuildModel
import model.PerformanceTestBucketProvider
import model.PerformanceTestCoverage
import model.PerformanceTestProjectSpec
import model.Stage

abstract class PerformanceTestProject(
    model: CIBuildModel,
    val spec: PerformanceTestProjectSpec,
    val performanceTests: List<PerformanceTest>,
) : Project({