maedhroz commented on code in PR #3610:
URL: https://github.com/apache/cassandra/pull/3610#discussion_r1795822467
##########
src/java/org/apache/cassandra/db/LivenessInfo.java:
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@@ -360,15 +360,10 @@ public void digest(Digest digest)
{
super.digest(digest);
- // Nodes on versions prior to 5.0 always update the digest with an
int, and we will not need a long
- // anyway until we move storage compatibility mode to NONE and
extended TTLs are possible. If the local
- // expiration time fits in an int, update the digest with one to
avoid false digest mismatches on read.
- int intLocalExpirationTime = (int) localExpirationTime;
- if (intLocalExpirationTime == localExpirationTime)
- digest.updateWithInt(intLocalExpirationTime);
- else
- digest.updateWithLong(localExpirationTime);
-
+ // As of 5.0, local expiration times are encoded as unsigned
integers on disk, so we can do the
+ // same thing here to populate the digest. This supports extended
TTLs, but also maintains digest
+ // compatibility with previous versions, avoiding false digest
mismatches during upgrades.
+
digest.updateWithInt(Cell.deletionTimeLongToUnsignedInteger(localExpirationTime));
Review Comment:
@bereng I'm hoping this is the utility method you spoke of? :)
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