Ruifeng Zheng created SPARK-55387:
-------------------------------------
Summary: Broken DAG Visualization in Spark UI
Key: SPARK-55387
URL: https://issues.apache.org/jira/browse/SPARK-55387
Project: Spark
Issue Type: Bug
Components: UI
Affects Versions: 4.2.0
Reporter: Ruifeng Zheng
The DAG is not properly rendered
{code:java}
scala> sc.range(0, 10, 1, 4).count()
val res0: Long = 10 {code}
It is broken in both Jobs and Stages
!image-2026-02-06-13-02-48-357.png!
{code:java}
digraph G {
id="graph_0";
subgraph graph_stage_0 {
id="graph_stage_0";
isCluster="true";
label="Stage 0";
subgraph cluster_0 {
id="cluster_0";
isCluster="true";
label="range";
0 [id="node_0" labelType="html" label="ParallelCollectionRDD [0]<br>range
at <console>:1}"];
1 [id="node_1" labelType="html" label="MapPartitionsRDD [1]<br>range at
<console>:1}"];
}
}
0->1;
}
{code}
!image-2026-02-06-13-03-09-597.png!
{code:java}
digraph G {
id="graph_0";
subgraph graph_stage_0 {
id="graph_stage_0";
isCluster="true";
label="Stage 0";
subgraph cluster_0 {
id="cluster_0";
isCluster="true";
label="range";
0 [id="node_0" labelType="html" label="ParallelCollectionRDD [0]<br>range
at <console>:1}"];
1 [id="node_1" labelType="html" label="MapPartitionsRDD [1]<br>range at
<console>:1}"];
}
}
0->1;
}
{code}
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