stankiewicz commented on code in PR #37580:
URL: https://github.com/apache/beam/pull/37580#discussion_r2912953341
##########
sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/spanner/SpannerIO.java:
##########
@@ -1912,6 +1931,16 @@ public ReadChangeStream
withUsingPlainTextChannel(boolean plainText) {
return
withUsingPlainTextChannel(ValueProvider.StaticValueProvider.of(plainText));
}
+ /**
+ * Configures the change stream to checkpoint and flush output targeting
low latency at the cost
+ * of higher rpc rate and cpu usage.
+ */
+ public ReadChangeStream withLowLatency() {
+ return toBuilder()
+
.setRealTimeCheckpointInterval(DEFAULT_LOW_LATENCY_REAL_TIME_CHECKPOINT_INTERVAL)
Review Comment:
There is also issue with clock skew, see comments above. I feel heartbeat PR
https://github.com/apache/beam/pull/37718 is better.
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