chia7712 commented on code in PR #15999:
URL: https://github.com/apache/kafka/pull/15999#discussion_r1664751869
##########
connect/mirror/src/main/java/org/apache/kafka/connect/mirror/MirrorCheckpointConfig.java:
##########
@@ -166,6 +167,30 @@ Duration consumerPollTimeout() {
return Duration.ofMillis(getLong(CONSUMER_POLL_TIMEOUT_MILLIS));
}
+ public static Map<String, String> validate(Map<String, String> configs) {
+ Map<String, String> invalidConfigs = new HashMap<>();
+
+ // No point to validate when connector is disabled.
+ if ("false".equals(configs.getOrDefault(ENABLED, "true"))) {
+ return invalidConfigs;
+ }
+
+ boolean emitCheckpointDisabled =
"false".equals(configs.getOrDefault(EMIT_CHECKPOINTS_ENABLED, "true"));
+ boolean syncGroupOffsetsDisabled =
"false".equals(configs.getOrDefault(SYNC_GROUP_OFFSETS_ENABLED, "true"));
Review Comment:
the default value of `SYNC_GROUP_OFFSETS_ENABLED` is `false`, so why we
don't use the same default value here?
##########
connect/mirror/src/main/java/org/apache/kafka/connect/mirror/MirrorCheckpointConfig.java:
##########
@@ -166,6 +167,30 @@ Duration consumerPollTimeout() {
return Duration.ofMillis(getLong(CONSUMER_POLL_TIMEOUT_MILLIS));
}
+ public static Map<String, String> validate(Map<String, String> configs) {
+ Map<String, String> invalidConfigs = new HashMap<>();
+
+ // No point to validate when connector is disabled.
+ if ("false".equals(configs.getOrDefault(ENABLED, "true"))) {
+ return invalidConfigs;
+ }
+
+ boolean emitCheckpointDisabled =
"false".equals(configs.getOrDefault(EMIT_CHECKPOINTS_ENABLED, "true"));
+ boolean syncGroupOffsetsDisabled =
"false".equals(configs.getOrDefault(SYNC_GROUP_OFFSETS_ENABLED, "true"));
+
+ if (emitCheckpointDisabled && syncGroupOffsetsDisabled) {
+ Arrays.asList(SYNC_GROUP_OFFSETS_ENABLED,
EMIT_CHECKPOINTS_ENABLED).forEach(configName -> {
+ invalidConfigs.putIfAbsent(configName,
"MirrorCheckpointConnector can't run with both " + SYNC_GROUP_OFFSETS_ENABLED +
" and " +
Review Comment:
It seems to me `EMIT_CHECKPOINTS_ENABLED` does not obstruct
`MirrorCheckpointConnector` from running since it is used to update consumer
groups offsets of target cluster. By contrast, `SYNC_GROUP_OFFSETS_ENABLED` do
impact the `MirrorCheckpointConnector`
https://github.com/apache/kafka/blob/trunk/connect/mirror/src/main/java/org/apache/kafka/connect/mirror/MirrorCheckpointConnector.java#L121
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