stevenzwu commented on code in PR #6111:
URL: https://github.com/apache/iceberg/pull/6111#discussion_r1020938017
##########
flink/v1.14/flink/src/main/java/org/apache/iceberg/flink/FlinkCatalogFactory.java:
##########
@@ -145,8 +145,27 @@ protected Catalog createCatalog(
baseNamespace =
Namespace.of(properties.get(BASE_NAMESPACE).split("\\."));
}
- boolean cacheEnabled =
Boolean.parseBoolean(properties.getOrDefault(CACHE_ENABLED, "true"));
- return new FlinkCatalog(name, defaultDatabase, baseNamespace,
catalogLoader, cacheEnabled);
+ boolean cacheEnabled = CatalogProperties.CACHE_ENABLED_DEFAULT;
+ if (properties.containsKey(CatalogProperties.CACHE_ENABLED)) {
+ cacheEnabled =
Boolean.parseBoolean(properties.get(CatalogProperties.CACHE_ENABLED));
+ }
+
+ long cacheExpirationIntervalMs =
+ PropertyUtil.propertyAsLong(
+ properties,
+ CatalogProperties.CACHE_EXPIRATION_INTERVAL_MS,
+ CatalogProperties.CACHE_EXPIRATION_INTERVAL_MS_DEFAULT);
+ if (cacheExpirationIntervalMs == 0) {
Review Comment:
> But Flink has a separate [configuration
page](https://iceberg.apache.org/docs/latest/flink/#catalog-configuration), so
redefining is also acceptable.
I had the same thought. Here is what is intuitive to me.
* if the boolean flag is false, caching is disabled
* if the boolean flag is true
* if cacheExpirationIntervalMs > 0, caching automatically expired after
the value
* if <=0, caching never expire automatically
What are you takes? @lvyanquan @hililiwei @pvary
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