Performance issue about websocket of CKB node

The original issue could be found at The pending transaction's rate limit of CKB node websocket push from pool · Issue #704 · Magickbase/ckb-explorer-public-issues · GitHub

Recently we have done a test about fee rate estimation. During the test, numerous transactions(40k+) have been submitted onto the chain and the tx pool is full of pending transactions(30k+) according to the RPC get_raw_tx_pool.

Our app subscribes to the CKB node via WebSocket, and pending transactions are expected to be pushed to our end. However, only 3k transactions had been received during the test, and the rest were reached in blocks.

Here’s our question, is there a limit on the number of transactions pushed by WebSocket?

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