Github user rdhabalia commented on the issue: https://github.com/apache/incubator-pulsar/issues/523 > One other thing we could do is to make the Max to be configurable, since the 5MB was very arbitrary anyway. If it's configurable then client may start sending msg with unreasonable size which will be rejected at broker due to [frame-size/storage-limitation](https://github.com/apache/incubator-pulsar/blob/master/pulsar-common/src/main/java/org/apache/pulsar/common/api/PulsarDecoder.java#L60), So, client will not know up-front. > If you can configure it on broker and client, you can raise and be 100% sure it gets accepted If it's configurable at client then value might be different than what broker is allowing and it requires some type of sync when client connects to broker.? Also, it may not address payload which can be highly compressible (eg.xml,json)
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