smiklosovic commented on code in PR #4596:
URL: https://github.com/apache/cassandra/pull/4596#discussion_r2772132626
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src/java/org/apache/cassandra/db/guardrails/Guardrails.java:
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@@ -613,6 +616,19 @@ public final class Guardrails implements GuardrailsMBean
format("The keyspace %s has a replication factor of %s,
above the %s threshold of %s.",
what, value, isWarning ? "warning" : "failure",
threshold));
+ /**
+ * Prevents heap exhaustion caused by the anti-pattern of preparing
queries with
+ * hardcoded literals instead of bind markers. This prevents filling the
statement cache with non-reusable entries.
+ *
+ * @see <a
href="https://issues.apache.org/jira/browse/CASSANDRA-21139";>CASSANDRA-21139</a>
+ */
+
+ public static final EnableFlag mispreparedStatementsEnabled =
+ new EnableFlag("misprepared_statements_enabled",
+ "Mis-prepared statements cause server-side memory
exhaustion and high GC pressure by flooding the statement cache with
non-reusable query entries",
Review Comment:
be consistent over the patch, Mis-prepared or misprepared?
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