Change adaptive query execution growth factor to be 1.26

After #17834, 1.26 becomes the better default.

Author: linzebing

core/trino-main/src/main/java/io/trino/execution/QueryManagerConfig.java

@@ -111,12 +111,12 @@ public class QueryManagerConfig
     private int remoteTaskGuaranteedSplitPerTask = 3;
 
     private int faultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeGrowthPeriod = 64;
-    private double faultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeGrowthFactor = 1.2;
+    private double faultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeGrowthFactor = 1.26;
     private DataSize faultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeMin = DataSize.of(512, MEGABYTE);
     private DataSize faultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeMax = DataSize.of(50, GIGABYTE);
 
     private int faultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeGrowthPeriod = 64;
-    private double faultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeGrowthFactor = 1.2;
+    private double faultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeGrowthFactor = 1.26;
     private DataSize faultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeMin = DataSize.of(4, GIGABYTE);
     private DataSize faultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeMax = DataSize.of(50, GIGABYTE);
 

core/trino-main/src/test/java/io/trino/execution/TestQueryManagerConfig.java

@@ -80,11 +80,11 @@ public void testDefaults()
                 .setRemoteTaskRequestSizeHeadroom(DataSize.of(2, DataSize.Unit.MEGABYTE))
                 .setRemoteTaskGuaranteedSplitPerTask(3)
                 .setFaultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeGrowthPeriod(64)
-                .setFaultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeGrowthFactor(1.2)
+                .setFaultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeGrowthFactor(1.26)
                 .setFaultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeMin(DataSize.of(512, MEGABYTE))
                 .setFaultTolerantExecutionArbitraryDistributionComputeTaskTargetSizeMax(DataSize.of(50, GIGABYTE))
                 .setFaultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeGrowthPeriod(64)
-                .setFaultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeGrowthFactor(1.2)
+                .setFaultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeGrowthFactor(1.26)
                 .setFaultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeMin(DataSize.of(4, GIGABYTE))
                 .setFaultTolerantExecutionArbitraryDistributionWriteTaskTargetSizeMax(DataSize.of(50, GIGABYTE))
                 .setFaultTolerantExecutionHashDistributionComputeTaskTargetSize(DataSize.of(512, MEGABYTE))

docs/src/main/sphinx/admin/fault-tolerant-execution.rst

@@ -256,7 +256,7 @@ properties only apply to a ``TASK`` retry policy.
        distribution for fault-tolerant execution. Lower bound is 1.0. For every
        task size increase, new task target size is old task target size
        multiplied by this growth factor.
-     - ``1.2``
+     - ``1.26``
    * - ``fault-tolerant-execution-arbitrary-distribution-compute-task-target-size-min``
      - Initial/minimum target input :ref:`data size <prop-type-data-size>` for
        non-writer tasks of arbitrary distribution of fault-tolerant execution.
@@ -274,7 +274,7 @@ properties only apply to a ``TASK`` retry policy.
        distribution for fault-tolerant execution. Lower bound is 1.0. For every
        task size increase, new task target size is old task target size
        multiplied by this growth factor.
-     - ``1.2``
+     - ``1.26``
    * - ``fault-tolerant-execution-arbitrary-distribution-write-task-target-size-min``
      - Initial/minimum target input :ref:`data size <prop-type-data-size>` for
        writer tasks of arbitrary distribution of fault-tolerant execution.