<commit_before>---
layout: post
title:  CMSC 818e Day 5
date:   2018-09-12 14:08
tags:   class_notes
---

These are notes taken during CMSC 818e: Distributed And Cloud-Based Storage Systems. Course webpage and syllabus [here](http://triffid.cs.umd.edu/818/).

# Day Five

## Google File System

[my post on the paper here](https://rebeccabilbro.github.io/google-file-system/)

Assumptions:
 - failures are the norm
 - files are huge
 - most mutations by appends
 - co-design w/ apps

Features:<commit_msg>post image add test<commit_after>---
layout: post
title:  CMSC 818e Day 5
image:
  feature: pepper_crop.png
date:   2018-09-12 14:08
tags:   class_notes
---

These are notes taken during CMSC 818e: Distributed And Cloud-Based Storage Systems. Course webpage and syllabus [here](http://triffid.cs.umd.edu/818/).

# Day Five

## Google File System

[my post on the paper here](https://rebeccabilbro.github.io/google-file-system/)

Assumptions:
 - failures are the norm
 - files are huge
 - most mutations by appends
 - co-design w/ apps

Features:
{'fraction_non_alphanumeric': 0.10952380952380952, 'fraction_numerical': 0.0419047619047619, 'mean_word_length': 3.5695652173913044, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 2, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2631028', 'n_tokens_mistral': 387, 'n_tokens_neox': 348, 'n_words': 119}