Pierre-Luc Babin plbabin

Backblaze's bztransmit process loads a file called bzfileids.dat into RAM. This file is a list of all files Backblaze has previously uploaded, including a unique identifier for each file. On most systems, this files is under 100MB in size (paraphrased from Backblaze support rep Zack).

Mine had grown to 6GB. This means that anytime bztransmit runs, it will load this 6GB file into RAM while it is backing up. In doing so it was purging massive ammounts of memory causing behavior like Chrome (usign 10GB of memory on it's own) to hang/beachball for 30 seconds and then refresh all it's windows.

There is no way to alter this behavior once it's begun, aside from starting over with some files excluded. The index needs to be rebuilt from scratch without the excessibe file count, that also means you can't restart and "inherit" a previous backup.

In my case the biggest culprits were .git and node_modules, so I excluded those, started a new backup (transfered licnese) and spent a week hunting for fast internet I could

Exclude node_modules and .git from Backblaze backups on Mac

Edit the file at /Library/Backblaze.bzpkg/bzdata/bzexcluderules_editable.xml.
Add these rules inside the bzexclusions tag:

<!-- Exclude node_modules. -->
<excludefname_rule plat="mac" osVers="*"  ruleIsOptional="t" skipFirstCharThenStartsWith="users/" contains_1="/node_modules/" contains_2="*" doesNotContain="*" endsWith="*" hasFileExtension="*" />
<excludefname_rule plat="mac" osVers="*"  ruleIsOptional="t" skipFirstCharThenStartsWith="users/" contains_1="/.git/" contains_2="*" doesNotContain="*" endsWith="*" hasFileExtension="*" />

TrueNAS

I will be moving from FreeNAS jails to ubuntu with docker, docker compose, and portainer. FreeNAS support and updates are lacking. There are many advantages to making the switch and with ZFS on linux I think FreeNAS may be a thing of the past. Stay tuned for a new guide of my latest setup. Check out my other gists for progress on the switch. https://gist.github.com/mow4cash/626275e095f7f90898944a85d66b3be6

WARNING READ THIS: This page contains incomplete and possibly incorrect info. The page is constantly being edited and worked on. Many of these should work but some may be broken. Read the code carefully to understand what you are doing, stuff may be need to be changed for your own use. This includes but not limited too JAIL AND ROUTER IPs, YOUR FREENAS MAIN VOLUME,THE MOST RECENT RELEASE OF DOWNLOADED FILES Use at your own risk.There may be helpful info in the comments.

Find me in the FreeNAS forums

I wanted to figure out the fastest way to load non-critical CSS so that the impact on initial page drawing is minimal.

TL;DR: Here's the solution I ended up with: https://github.com/filamentgroup/loadCSS/

For async JavaScript file requests, we have the async attribute to make this easy, but CSS file requests have no similar standard mechanism (at least, none that will still apply the CSS after loading - here are some async CSS loading conditions that do apply when CSS is inapplicable to media: https://gist.github.com/igrigorik/2935269#file-notes-md ).

Seems there are a couple ways to load and apply a CSS file in a non-blocking manner:

	/* bling.js */

	window.$ = document.querySelectorAll.bind(document);

	Node.prototype.on = window.on = function (name, fn) {
	this.addEventListener(name, fn);
	};

	NodeList.prototype.__proto__ = Array.prototype;

	var gulp = require('gulp')

	var browserify = require('browserify')
	var watchify = require('watchify')
	var babelify = require('babelify')

	var source = require('vinyl-source-stream')
	var buffer = require('vinyl-buffer')
	var merge = require('utils-merge')

	# This monkey patches the PostgreSQL adapter to use asynchronous
	# communication when doing its "SELECT 1" check for is-connection-active.
	# One symptom of this problem is stalled processing queues in Sidekiq.
	# See also:
	#
	# https://github.com/rails/rails/issues/12867
	#
	# At the time of writing we have seen indefinite blocking down in the C
	# library's "poll()" method due to the out-of-box Rails code using blocking
	# I/O, in multithreaded environments - one thread gets stuck in the I/O and

	<script type="text/javascript">
	(function () {
	"use strict";
	// once cached, the css file is stored on the client forever unless
	// the URL below is changed. Any change will invalidate the cache
	var css_href = './index_files/web-fonts.css';
	// a simple event handler wrapper
	function on(el, ev, callback) {
	if (el.addEventListener) {
	el.addEventListener(ev, callback, false);

	/*!
	* gulp
	* $ npm install gulp-ruby-sass gulp-autoprefixer gulp-cssnano gulp-jshint gulp-concat gulp-uglify gulp-imagemin gulp-notify gulp-rename gulp-livereload gulp-cache del --save-dev
	*/

	// Load plugins
	var gulp = require('gulp'),
	sass = require('gulp-ruby-sass'),
	autoprefixer = require('gulp-autoprefixer'),
	cssnano = require('gulp-cssnano'),

	# Migrate data from two ActiveRecord databases.
	# Works with ActiveRecord 3 and above.
	#
	# Written by Rémi Prévost
	# Based on the work of Rama McIntosh & Mike Castleman
	#
	# This task is released under this BSD license:
	#
	# Copyright (c) 2008, Matson Systems, Inc.
	# Copyright (c) 2010, Roasted Vermicelli LLC.