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[FLINK-38727][test][BP-2.1]: fix flaky EventTimeWindowCheckpointingITCase / LocalRecoveryITCase via REQUIREMENTS_CHECK_DELAY #28728

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[FLINK-38727][test][BP-2.1]: fix flaky EventTimeWindowCheckpointingITCase / LocalRecoveryITCase via REQUIREMENTS_CHECK_DELAY #28728

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7 changes: 7 additions & 0 deletions ...src/test/java/org/apache/flink/test/checkpointing/EventTimeWindowCheckpointingITCase.java
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
import org.apache.flink.configuration.Configuration;
import org.apache.flink.configuration.HighAvailabilityOptions;
import org.apache.flink.configuration.MemorySize;
import org.apache.flink.configuration.ResourceManagerOptions;
import org.apache.flink.configuration.RpcOptions;
import org.apache.flink.configuration.StateBackendOptions;
import org.apache.flink.configuration.TaskManagerOptions;
Expand Down Expand Up @@ -271,6 +272,12 @@ protected Configuration createClusterConfig() throws IOException {
Configuration config = new Configuration();
config.set(RpcOptions.FRAMESIZE, String.valueOf(MAX_MEM_STATE_SIZE) + "b");

// FLINK-38727: Increase requirement-check delay to reduce slot manager polling frequency
// under CI load, preventing premature NoResourceAvailableException while TaskManagers
// are registering. SLOT_REQUEST_TIMEOUT (5 min default) already serves as the startup
// grace period via getStandaloneClusterStartupPeriodTime() fallback.
config.set(ResourceManagerOptions.REQUIREMENTS_CHECK_DELAY, Duration.ofSeconds(30));

if (zkServer != null) {
config.set(HighAvailabilityOptions.HA_MODE, "ZOOKEEPER");
config.set(HighAvailabilityOptions.HA_ZOOKEEPER_QUORUM, zkServer.getConnectString());
Expand Down