MaxGekk commented on a change in pull request #30934:
URL: https://github.com/apache/spark/pull/30934#discussion_r548998380
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File path:
core/src/test/scala/org/apache/spark/storage/FallbackStorageSuite.scala
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@@ -227,43 +228,45 @@ class FallbackStorageSuite extends SparkFunSuite with
LocalSparkContext {
}
}
- test("Newly added executors should access old data from remote storage") {
- sc = new SparkContext(getSparkConf(2, 0))
- withSpark(sc) { sc =>
- TestUtils.waitUntilExecutorsUp(sc, 2, 60000)
- val rdd1 = sc.parallelize(1 to 10, 2)
- val rdd2 = rdd1.map(x => (x % 2, 1))
- val rdd3 = rdd2.reduceByKey(_ + _)
- assert(rdd3.collect() === Array((0, 5), (1, 5)))
+ Seq("lz4", "snappy", "zstd").foreach { codec =>
Review comment:
The doc of `IO_COMPRESSION_CODEC` says that it supports `lz4, lzf,
snappy, and zstd`. Should we test `lzf` too?
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