findepi commented on code in PR #14440:
URL: https://github.com/apache/iceberg/pull/14440#discussion_r2628003645
##########
core/src/main/java/org/apache/iceberg/CachingCatalog.java:
##########
@@ -104,18 +160,27 @@ public void onRemoval(TableIdentifier tableIdentifier,
Table table, RemovalCause
}
private Cache<TableIdentifier, Table> createTableCache(Ticker ticker) {
- Caffeine<Object, Object> cacheBuilder = Caffeine.newBuilder().softValues();
-
- if (expirationIntervalMillis > 0) {
- return cacheBuilder
- .removalListener(new MetadataTableInvalidatingRemovalListener())
- .executor(Runnable::run) // Makes the callbacks to removal listener
synchronous
- .expireAfterAccess(Duration.ofMillis(expirationIntervalMillis))
- .ticker(ticker)
- .build();
+
+ if (expirationIntervalMillis <= 0) {
+ return Caffeine.newBuilder().softValues().build();
}
- return cacheBuilder.build();
+ Caffeine<TableIdentifier, Table> cacheBuilder =
+ Caffeine.newBuilder()
+ .softValues()
+ .removalListener(new MetadataTableInvalidatingRemovalListener())
+ .executor(Runnable::run) // Makes the callbacks to removal
listener synchronous
+ .ticker(ticker);
+
+ switch (cacheExpirationPolicy) {
+ case EXPIRE_AFTER_WRITE:
+ return
cacheBuilder.expireAfterWrite(Duration.ofMillis(expirationIntervalMillis)).build();
+ case EXPIRE_AFTER_ACCESS:
+ return
cacheBuilder.expireAfterAccess(Duration.ofMillis(expirationIntervalMillis)).build();
Review Comment:
i don't think this was answered to
https://github.com/apache/iceberg/pull/14440#issuecomment-3518104873
when using "expire after access" there still should be a way to set "expire
after write" in order to limit staleness of values
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