brahmareddybattula commented on a change in pull request #2189:
URL: https://github.com/apache/hadoop/pull/2189#discussion_r494037751
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File path:
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/StorageType.java
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@@ -34,28 +34,35 @@
@InterfaceStability.Unstable
public enum StorageType {
// sorted by the speed of the storage types, from fast to slow
- RAM_DISK(true),
- SSD(false),
- DISK(false),
- ARCHIVE(false),
- PROVIDED(false);
+ RAM_DISK(true, true),
+ NVDIMM(false, true),
+ SSD(false, false),
+ DISK(false, false),
+ ARCHIVE(false, false),
+ PROVIDED(false, false);
private final boolean isTransient;
+ private final boolean isRAM;
public static final StorageType DEFAULT = DISK;
public static final StorageType[] EMPTY_ARRAY = {};
private static final StorageType[] VALUES = values();
- StorageType(boolean isTransient) {
+ StorageType(boolean isTransient, boolean isRAM) {
this.isTransient = isTransient;
+ this.isRAM = isRAM;
}
public boolean isTransient() {
return isTransient;
}
+ public boolean isRAM() {
+ return isRAM;
+ }
Review comment:
ok
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