Hello everone I am building a pubsub, wherein the PUB and the SUB socket are on the same host. I am able to send lots of messages through it. The latency of the system is around 2-50 ms.
But out of blue some messages get stuck for 5-6 seconds before receiving. I have put the logs and added timestamps to the message itself. The publisher publishes and sets the time stamp, the subscriber timestamp has a difference of 5-10 seconds. This occurs for roughly 1 in 1000 messages. I am using aws c4.xlarge machine. I tried ss and there were few blips in the recv and send queue. If i am sending lots of messages in bulk then it sometimes get stuck and the resumes, with no messages being lost. Sometimes a single message itself without any other load gets stuck. Has anyone faced such a scenario or give any pointers to look. -- Navneet Kumar
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