Github user phunt commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/377#discussion_r163419925
--- Diff: src/java/main/org/apache/zookeeper/server/EphemeralType.java ---
@@ -40,19 +39,40 @@
TTL;
public static final long CONTAINER_EPHEMERAL_OWNER = Long.MIN_VALUE;
- public static final long MAX_TTL = 0x0fffffffffffffffL;
- public static final long TTL_MASK = 0x8000000000000000L;
+ public static final long MAX_TTL = 0x00ffffffffffffffL;
+ public static final long TTL_MASK = 0xff00000000000000L;
+ public static final long MAX_TTL_SERVER_ID = 0xfe; // 254
+
+ public static final String EXTENDED_TYPES_ENABLED_PROPERTY =
"zookeeper.extendedTypesEnabled";
+
+ public static boolean extendedEphemeralTypesEnabled() {
+ return Boolean.getBoolean(EXTENDED_TYPES_ENABLED_PROPERTY);
+ }
public static EphemeralType get(long ephemeralOwner) {
+ if ( extendedEphemeralTypesEnabled() ) {
+ if ((ephemeralOwner & TTL_MASK) == TTL_MASK) {
--- End diff --
We discussed this earlier in the PR. Problem is it's b/w incompat one way
or the other. Given serverid has been around forever, and TTL only added in
3.5.3 (a beta) we went forward with this approach.
---
