Github user vanzin commented on a diff in the pull request:
https://github.com/apache/spark/pull/8880#discussion_r42052097
--- Diff:
core/src/main/scala/org/apache/spark/crypto/CommonConfigurationKeys.scala ---
@@ -0,0 +1,48 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.spark.crypto
+
+import org.apache.hadoop.io.Text
+
+/**
+ * Constant variables
+ */
+private[spark] object CommonConfigurationKeys {
+ val SPARK_SHUFFLE_TOKEN = new Text("SPARK_SHUFFLE_TOKEN")
+ val SPARK_SECURITY_CRYPTO_BUFFER_SIZE_DEFAULT = 8192
+ val SPARK_SECURITY_CRYPTO_CIPHER_SUITE_DEFAULT = "AES/CTR/NoPadding"
+ val SPARK_SECURITY_CRYPTO_CIPHER_SUITE_KEY =
"spark.security.crypto.cipher.suite"
+ val SPARK_SECURITY_CRYPTO_CODEC_CLASSES_KEY_PREFIX =
"spark.security.crypto.codec.classes"
+ val SPARK_SECURITY_CRYPTO_CODEC_CLASSES_AES_CTR_NOPADDING_KEY =
+ SPARK_SECURITY_CRYPTO_CODEC_CLASSES_KEY_PREFIX +
CipherSuite.AES_CTR_NOPADDING.getConfigSuffix()
+ val SPARK_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_KEY =
"spark.security.java.secure.random" +
+ ".algorithm"
+ val SPARK_SECURITY_CRYPTO_JCE_PROVIDER_KEY =
"spark.security.crypto.jce.provider"
+ val SPARK_SECURITY_JAVA_SECURE_RANDOM_ALGORITHM_DEFAULT = "SHA1PRNG"
+ val SPARK_SECURITY_SECURE_RANDOM_IMPL_KEY =
"spark.security.secure.random.impl"
+ val SPARK_ENCRYPTED_INTERMEDIATE_DATA_BUFFER_KB =
"spark.job.encryptedIntermediateData.buffer.kb"
--- End diff --
Why `spark.job`? It's related to encrypted shuffle, so it should be in
`spark.shuffle.crypto`. For example, `spark.shuffle.crypto.bufferSize`. We also
don't use units in config keys anymore; you can use `SparkConf.getSizeAsX` to
translate values to the units you want, and the user can specify the values in
the units they prefer.
I'd also rename the constant itself. "INTERMEDIATE" is both confusing and
really not necessary.
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