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Solana Tech Roundup #16

by Jacob Creech ยท May 10, 2022

Solana Tech Roundup

This past week there was a discussion between Austin Federa and Anatoly about upcoming changes to Solana. Featured were QUIC, User specified fee priority, increased fees on writable accounts, and stake weighted connections. You can check out the discussion here.

Proposal Highlight

Fee Transaction Priority

Documentation

Ordering transactions by fees spent has been a controversial topic recently. This proposal outlines how the transactions are ordered, namely:

  • Transactions are prioritized based on fee per compute unit
  • If a lower fee paying transaction requires write locks to an account of a higher fee paying transaction, the lower fee paying transaction will not be scheduled

The scheduler will happen after the sigverify stage but before the banking stage.

Commit Highlights

You can now directly link instructions on the explorer to help debug transactions!

Compute units are defaulted each to 200k per instruction unless a compute budget increase instruction exists on the transaction. Compute budget increase instruction must be one of the first three instructions in order to work successfully.

List of Changes

April 29

April 30

May 1

May 2

May 3

May 4

May 5