abstractdog commented on a change in pull request #1941:
URL: https://github.com/apache/hive/pull/1941#discussion_r570059016
##########
File path:
shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java
##########
@@ -338,6 +338,24 @@ public void setupConfiguration(Configuration conf) {
conf.setInt(MRJobConfig.REDUCE_MEMORY_MB, 512);
conf.setInt(MRJobConfig.MR_AM_VMEM_MB, 128);
}
+
+ // we want this shim to override these values only if the default value is
set, otherwise there
+ // is a good chance that the user of the minicluster set another value
intentionally
+ protected void overrideIntIfDefaultIsSet(Configuration conf, String key,
int defaultVal,
+ int newVal) {
+ if (conf.getInt(key, defaultVal) == defaultVal) {
+ LOG.info("Hadoop23Shims overrides '{}' from {} to {}", key,
defaultVal, newVal);
+ conf.setInt(key, newVal);
+ }
Review comment:
added in second commit:
https://github.com/apache/hive/pull/1941/commits/697dc4a9e37c12b4d7d34589cc1014d6e08a6700
edited PR description with new log contents and some instructions
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