8000 Improve test reliability by resolving nondeterministic of HashMap by MyEnthusiastic · Pull Request #316 · apache/tez · GitHub
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Improve test reliability by resolving nondeterministic of HashMap #316

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Improve test reliability by resolving nondeterministic of HashMap #316

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1bfa3e9
[INFO] org.apache.tez.dag.api.TestDAG#testRecreateDAG
MyEnthusiastic Nov 27, 2023
7b756f5
fix [INFO] org.apache.tez.dag.app.dag.impl.TestVertexImpl#testVertexInit
MyEnthusiastic Nov 27, 2023
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7 changes: 4 additions & 3 deletions tez-api/src/main/java/org/apache/tez/dag/api/DAG.java
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,7 @@
import java.util.Collections;
import java.util.Deque;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
Expand Down Expand Up @@ -577,7 +578,7 @@ Deque<String> verify(boolean restricted) throws IllegalStateException {

// check for valid vertices, duplicate vertex names,
// and prepare for cycle detection
Map<String, AnnotatedVertex> vertexMap = new HashMap<String, AnnotatedVertex>();
Map<String, AnnotatedVertex> vertexMap = new LinkedHashMap<String, AnnotatedVertex>();
Map<Vertex, Set<String>> inboundVertexMap = new HashMap<Vertex, Set<String>>();
Map<Vertex, Set<String>> outboundVertexMap = new HashMap<Vertex, Set<String>>();
for (Vertex v : vertices.values()) {
Expand Down Expand Up @@ -909,7 +910,7 @@ public synchronized DAGPlan createDag(Configuration tezConf, Credentials extraCr
TezConfiguration.TEZ_TASK_RESOURCE_CPU_VCORES,
TezConfiguration.TEZ_TASK_RESOURCE_CPU_VCORES_DEFAULT));
}
Map<String, LocalResource> vertexLRs = Maps.newHashMap();
Map<String, LocalResource> vertexLRs = Maps.newLinkedHashMap();
vertexLRs.putAll(vertex.getTaskLocalFiles());
List<DataSourceDescriptor> dataSources = vertex.getDataSources();
for (DataSourceDescriptor dataSource : dataSources) {
Expand Down Expand Up @@ -1007,7 +1008,7 @@ public synchronized DAGPlan createDag(Configuration tezConf, Credentials extraCr
taskConfigBuilder.addAllLocalResource(DagTypeConverters.convertToDAGPlan(vertexLRs));
}

Map<String, String> taskEnv = Maps.newHashMap(vertex.getTaskEnvironment());
Map<String, String> taskEnv = Maps.newLinkedHashMap(vertex.getTaskEnvironment());
TezYARNUtils.setupDefaultEnv(taskEnv, tezConf,
TezConfiguration.TEZ_TASK_LAUNCH_ENV,
TezConfiguration.TEZ_TASK_LAUNCH_ENV_DEFAULT,
Expand Down
3 changes: 2 additions & 1 deletion tez-dag/src/test/java/org/apache/tez/dag/app/dag/impl/TestVertexImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@
import java.util.Collections;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Locale;
Expand Down Expand Up @@ -2701,7 +2702,7 @@ private void parseVertexEdges() {
VertexPlan vertexPlan = dagPlan.getVertex(i);
Vertex vertex = vertices.get(vertexPlan.getName());
Map<Vertex, Edge> inVertices =
new HashMap<Vertex, Edge>();
new LinkedHashMap<>();

Map<Vertex, Edge> outVertices =
new HashMap<Vertex, Edge>();
Expand Down
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