Function defragLater

app/redis-6.2.6/src/defrag.c:438–441

when the value has lots of elements, we want to handle it later and not as * part of the main dictionary scan. this is needed in order to prevent latency * spikes when handling large items */

 * part of the main dictionary scan. this is needed in order to prevent latency
 * spikes when handling large items */
void defragLater(redisDb *db, dictEntry *kde) {
    sds key = sdsdup(dictGetKey(kde));
    listAddNodeTail(db->defrag_later, key);
}

/* returns 0 if no more work needs to be been done, and 1 if time is up and more work is needed. */
long scanLaterList(robj *ob, unsigned long *cursor, long long endtime, long long *defragged) {