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Posted to notifications@ignite.apache.org by "sanpwc (via GitHub)" <gi...@apache.org> on 2025/08/07 08:14:44 UTC

[PR] IGNITE-26121 Print warning message if MAX_CLOCK_SKEW exceeded [ignite-3]

sanpwc opened a new pull request, #6376:
URL: https://github.com/apache/ignite-3/pull/6376

   https://issues.apache.org/jira/browse/IGNITE-26121


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Re: [PR] IGNITE-26121 Print warning message if MAX_CLOCK_SKEW exceeded [ignite-3]

Posted by "sanpwc (via GitHub)" <gi...@apache.org>.
sanpwc commented on code in PR #6376:
URL: https://github.com/apache/ignite-3/pull/6376#discussion_r2279135351


##########
modules/core/src/main/java/org/apache/ignite/internal/hlc/ClockServiceImpl.java:
##########
@@ -70,6 +85,11 @@ public CompletableFuture<Void> waitFor(HybridTimestamp targetTimestamp) {
 
     @Override
     public long maxClockSkewMillis() {
-        return maxClockSkewMsSupplier.getAsLong();
+        // -1 is an invalid maxClockSkewMillis, thus it might be used as a special "non-initialized" value.
+        if (maxClockSkewMillis == -1) {
+            maxClockSkewMillis = maxClockSkewMsSupplier.getAsLong();
+        }
+
+        return maxClockSkewMillis;

Review Comment:
   Discussed in private.



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Re: [PR] IGNITE-26121 Print warning message if MAX_CLOCK_SKEW exceeded [ignite-3]

Posted by "sanpwc (via GitHub)" <gi...@apache.org>.
sanpwc merged PR #6376:
URL: https://github.com/apache/ignite-3/pull/6376


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Re: [PR] IGNITE-26121 Print warning message if MAX_CLOCK_SKEW exceeded [ignite-3]

Posted by "vldpyatkov (via GitHub)" <gi...@apache.org>.
vldpyatkov commented on code in PR #6376:
URL: https://github.com/apache/ignite-3/pull/6376#discussion_r2279013399


##########
modules/core/src/main/java/org/apache/ignite/internal/hlc/ClockServiceImpl.java:
##########
@@ -70,6 +85,11 @@ public CompletableFuture<Void> waitFor(HybridTimestamp targetTimestamp) {
 
     @Override
     public long maxClockSkewMillis() {
-        return maxClockSkewMsSupplier.getAsLong();
+        // -1 is an invalid maxClockSkewMillis, thus it might be used as a special "non-initialized" value.
+        if (maxClockSkewMillis == -1) {
+            maxClockSkewMillis = maxClockSkewMsSupplier.getAsLong();
+        }
+
+        return maxClockSkewMillis;

Review Comment:
   I’m not sure this is the correct way because we had the option to update maxClockSkew through the configuration. It would be even better to add a listener for the system property.



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