/** <code>metadata.evict.ms</code> */
public static final String METADATA_EVICT_MS_CONFIG = "metadata.evict.ms";
private static final String METADATA_EVICT_MS_DOC =
        "Controls how long the producer will cache metadata for a topic that's not being accessed. " +
        "If the elapsed time since a topic was last produce to exceeds the metadata eviction duration, " +
        "then the topic's metadata is forgotten and the next access to it will force a metadata " +
        "fetch request.";

...
    .define(METADATA_EVICT_MS_CONFIG,
            Type.LONG,
            2 * 60 * 1000,
            atLeast(5000),
            Importance.MEDIUMLOW,
            METADATA_EVICT_MS_DOC)