tolbertam commented on code in PR #3917:
URL: https://github.com/apache/cassandra/pull/3917#discussion_r2042202931
##########
src/java/org/apache/cassandra/db/SystemKeyspace.java:
##########
@@ -1863,16 +1865,37 @@ public static void resetPreparedStatements()
}
public static int loadPreparedStatements(TriFunction<MD5Digest, String,
String, Boolean> onLoaded)
+ {
+ return loadPreparedStatements(onLoaded,
+
QueryProcessor.PRELOAD_PREPARED_STATEMENTS_FETCH_SIZE,
+
QueryProcessor.PRELOAD_PREPARED_STATEMENTS_MAX);
+ }
+
+ public static int loadPreparedStatements(TriFunction<MD5Digest, String,
String, Boolean> onLoaded, int pageSize, int max)
{
String query = String.format("SELECT prepared_id, logged_keyspace,
query_string FROM %s.%s", SchemaConstants.SYSTEM_KEYSPACE_NAME,
PREPARED_STATEMENTS);
- UntypedResultSet resultSet = executeOnceInternal(query);
+ UntypedResultSet resultSet = executeOnceInternalWithPaging(query,
pageSize);
int counter = 0;
for (UntypedResultSet.Row row : resultSet)
{
if
(onLoaded.accept(MD5Digest.wrap(row.getByteArray("prepared_id")),
row.getString("query_string"),
row.has("logged_keyspace") ?
row.getString("logged_keyspace") : null))
counter++;
+
+ if (counter >= max)
Review Comment:
Think best I could do is just check every X rows and then check to see if
we've started evicting, pushed something for that and hopefully that looks good!
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