Kai Qi kaichii

Overview

Syncing an Ethereum node is largely reliant on latency and IOPS, I/O Per Second, of the storage. Budget SSDs will struggle to an extent, and some won't be able to sync at all. IOPS can roughly be used as proxy of / predictor for latency. Measuring latency directly is arguably better.

This document aims to snapshot some known good and known bad models.

The drive lists are ordered by interface and then by capacity and alphabetically by vendor name, not by preference. The lists are not exhaustive at all. @mwpastore linked a filterable spreadsheet in comments that has a far greater variety of drives and their characteristics. Filter it by DRAM yes, NAND Type TLC, Form Factor M.2, and desired capacity.

For size, 4TB is a very conservative choice. The smaller 2TB drive should last an Ethereum full node until at least sometime 2026, with the [pre-merge history expiry](https://hackmd.io/@hBXHLw_9Qq2va4pRt

[macOS] Install CMake

Instructions on how to install the CMake tool on macOS.

Uninstall

First step should be to unsinstall any previous CMake installation. This step can be skipped if no CMake version was previously installed.

To uninstall any previous CMake installations use the following commands:

How to add a collapsible section in markdown

1. Example

Click me

Heading

Foo
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- Baz

Qux

	#!/bin/bash

	hash git 2>/dev/null \|\| { echo >&2 "Required command 'git' is not installed. ( hmm... why are you using this? ) Aborting."; exit 1; }
	hash realpath 2>/dev/null \|\| { echo >&2 "Required command 'realpath' is not installed. Aborting."; exit 1; }
	hash pwd 2>/dev/null \|\| { echo >&2 "Required command 'pwd' is not installed. Aborting."; exit 1; }
	hash cd 2>/dev/null \|\| { echo >&2 "Required command 'cd' is not installed. Aborting."; exit 1; }
	hash echo 2>/dev/null \|\| { echo >&2 "Required command 'echo' is not installed. Aborting."; exit 1; }
	hash mv 2>/dev/null \|\| { echo >&2 "Required command 'mv' is not installed. Aborting."; exit 1; }
	hash diff 2>/dev/null \|\| { echo >&2 "Required command 'diff' is not installed. Aborting."; exit 1; }
	hash diffstat 2>/dev/null \|\| { echo >&2 "Required command 'diffstat' is not installed. Aborting."; exit 1; }

 // ==UserScript==
 // @name         《旋元佑进阶文法》大陆术语替换
 // @namespace    http://tampermonkey.net/
 // @version      0.1
 // @description  替换《旋元佑进阶文法》中的术语为大陆版本
 // @author       kaichi
 // @match        https://grammar.codeyu.com/
 // @exclude      https://grammar.codeyu.com/#docs/terminology
 // @icon         https://www.google.com/s2/favicons?sz=64&domain=codeyu.com
 // @grant        none

	git config --global https.proxy http://127.0.0.1:1080

	git config --global https.proxy https://127.0.0.1:1080

	git config --global --unset http.proxy

	git config --global --unset https.proxy


	npm config delete proxy