[BUG] The Tispark task failed when injecting one pd, one voter, and one learner failure are injected at the same time（Simulated one AZ failure

[Lily2025]

Describe the bug

What did you do df=spark.sql("select * from sysbench_1_100000000000.sbtest1") df.write.format('csv').save('ks3://qe-testing/kernel-testing/rel-read-learner-leader-05191158',mode="overwrite")

What do you expect The Tispark task can be succeed when injecting one pd, one voter, and one learner failure are injected at the same time

What happens instead The Tispark task failed when injecting one pd, one voter, and one learner failure are injected at the same time（Simulated one AZ failure

Spark and TiSpark version info TiDB: v6.5.0 TiSpark: v3.2.1, Spark: 3.3.2

Additional context

[Lily2025]

/type bug /severity critical /assign shiyuhang0

[shiyuhang0]

TiSpark config：

park.sql.extensions  org.apache.spark.sql.TiExtensions
spark.tispark.pd.addresses  10.99.182.141:2379
spark.sql.catalog.tidb_catalog  org.apache.spark.sql.catalyst.catalog.TiCatalog
spark.sql.catalog.tidb_catalog.pd.addresses  10.99.182.141:2379
spark.sql.auth.enable false
spark.tispark.replica_read learner,leader