List<String> memIds = new LinkedList<String>();
try {
jedis = getResource();
updateExpire(queueUrl, shard, jedis);
long ts1 = System.currentTimeMillis();
Set<String> keys = jedis.hkeys(queueUrl + "-" + shard + "-H");
long ts2 = System.currentTimeMillis();
CQSControllerServlet.valueAccumulator.addToCounter(AccumulatorName.RedisTime, (ts2 - ts1));
log.debug("event=revisibility_check queue_url=" + queueUrl + " shard=" + shard + " invisible_set_size=" + keys.size());
for (String key : keys) {
long ts3 = System.currentTimeMillis();