ahamlat

## PR description Enable JFR continuous profiling with default setting. Java Flight Recorder (JFR) serves as an integrated mechanism within the Java Virtual Machine (JVM) for gathering, analyzing, and profiling...

### Description As an Besu user, I want to have continuous profiling so that we can get profiling data when needed. This can help to troubleshoot some performance issue especially...

The flag --cache-last-block created in this PR https://github.com/hyperledger/besu/pull/6009 is not yet documented. This flags makes Besu cache n blocks data (block headers, block bodies, transactions' receipts and total difficulty). The...

### Description We want to investigate different implementation of BLS12-381 precompiles and assess their performances. The goal of this issue is to create a quick process to test and switch...