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https://issues.apache.org/jira/browse/GEODE-8958?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17291925#comment-17291925
]
ASF GitHub Bot commented on GEODE-8958:
---------------------------------------
jchen21 commented on a change in pull request #6042:
URL: https://github.com/apache/geode/pull/6042#discussion_r583929315
##########
File path:
geode-core/src/distributedTest/java/org/apache/geode/internal/cache/versions/TombstoneDUnitTest.java
##########
@@ -117,35 +118,74 @@ public void
testTombstoneGcMessagesBetweenPersistentAndNonPersistentRegion() {
});
}
+
@Test
- public void testGetOldestTombstoneTimeReplicate() {
+ public void
testWhenAnOutOfRangeTimeStampIsSeenWeExpireItInReplicateTombstoneSweeper() {
VM server1 = VM.getVM(0);
VM server2 = VM.getVM(1);
+ final int FAR_INTO_THE_FUTURE = 1000000; // 1 million millis into the
future
+ final int count = 10;
server1.invoke(() -> {
- createCacheAndRegion(REPLICATE_PERSISTENT);
- region.put("K1", "V1");
- region.put("K2", "V2");
+ createCacheAndRegion(RegionShortcut.REPLICATE_PERSISTENT);
+ for (int i = 0; i < count; i++) {
+ region.put("K" + i, "V" + i);
+ }
});
- server2.invoke(() -> createCacheAndRegion(REPLICATE));
+ server2.invoke(() -> createCacheAndRegion(RegionShortcut.REPLICATE));
server1.invoke(() -> {
+ TombstoneService.TombstoneSweeper tombstoneSweeper =
+ ((InternalCache)
cache).getTombstoneService().getSweeper((LocalRegion) region);
+
+ RegionEntry regionEntry = ((LocalRegion) region).getRegionEntry("K0");
+ VersionTag<?> versionTag = regionEntry.getVersionStamp().asVersionTag();
+ versionTag.setVersionTimeStamp(System.currentTimeMillis() +
FAR_INTO_THE_FUTURE);
+
+ TombstoneService.Tombstone modifiedTombstone =
+ new TombstoneService.Tombstone(regionEntry, (LocalRegion) region,
+ versionTag);
+ tombstoneSweeper.tombstones.add(modifiedTombstone);
+ tombstoneSweeper.checkOldestUnexpired(System.currentTimeMillis());
// Send tombstone gc message to vm1.
- region.destroy("K1");
+ assertThat(tombstoneSweeper.getOldestTombstoneTime()).isEqualTo(0);
+ });
+ }
+ @Test
+ public void testGetOldestTombstoneTimeForReplicateTombstoneSweeper() {
+ VM server1 = VM.getVM(0);
+ VM server2 = VM.getVM(1);
+ final int count = 10;
+ server1.invoke(() -> {
+ createCacheAndRegion(RegionShortcut.REPLICATE_PERSISTENT);
+ for (int i = 0; i < count; i++) {
+ region.put("K" + i, "V" + i);
+ }
+ });
+
+ server2.invoke(() -> createCacheAndRegion(RegionShortcut.REPLICATE));
+
+ server1.invoke(() -> {
TombstoneService.TombstoneSweeper tombstoneSweeper =
((InternalCache)
cache).getTombstoneService().getSweeper((LocalRegion) region);
+ // Send tombstone gc message to vm1.
+ for (int i = 0; i < count; i++) {
+ region.destroy("K" + i);
+ assertThat(
Review comment:
For DUnit test, `cacheTimeMillis()` is returns the same value as
`System.currentTimeMillis()`. To validate an unexpired tombstone, besides
asserting getOldestTombstoneTime() + REPLICATE_TOMBSTONE_TIMEOUT_DEFAULT - now
> 0, there is also another condition msUntilTombstoneExpires < EXPIRY_TIME, as
suggested in your code change in `hasExpired()`. Anyway, what I have suggested
are for improvements.
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> Tombstone expiration: in the event that a version timestamp is too far in the
> future, expire the tombstone
> ----------------------------------------------------------------------------------------------------------
>
> Key: GEODE-8958
> URL: https://issues.apache.org/jira/browse/GEODE-8958
> Project: Geode
> Issue Type: Bug
> Components: core
> Reporter: Mark Hanson
> Assignee: Mark Hanson
> Priority: Major
> Labels: pull-request-available
>
> We are seeing a bug where for some reason, the version timestamp on the
> tombstone is too far into the future to be realistic.
>
> In such a case, we are going to expire the tombstone as soon as we see it.
>
>
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