Github user ebortnik commented on a diff in the pull request:
https://github.com/apache/incubator-omid/pull/12#discussion_r129018747
--- Diff:
tso-server/src/main/java/org/apache/omid/tso/TimestampOracleImpl.java ---
@@ -134,9 +137,12 @@ public void initialize() throws IOException {
@SuppressWarnings("StatementWithEmptyBody")
@Override
public long next() {
- lastTimestamp++;
+ lastTimestamp += AbstractTransactionManager.NUM_OF_CHECKPOINTS;
- if (lastTimestamp == nextAllocationThreshold) {
+ if (lastTimestamp >= nextAllocationThreshold) {
+ // set the nextAllocationThread to max value of long in order
to
+ // make sure only one call to this function will execute a
thread to extend the timestamp batch.
+ nextAllocationThreshold = Long.MAX_VALUE;
--- End diff --
Please explain this line
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