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Previous Chapter

CHAPTER 12: Sharding

Index

A

Aggregating queries

count() function

distinct() function

Aggregation framework

high-level pipeline operators

$limit operator

$match opreator

mongorestore command

project operator

$unwind operator

$all operator, all operator

Array data type

B

Backup automation

in large databases

filesystem snapshot

hidden secondary

volume managers, disk layout

local datastore

remote (Cloud-Based) datastore

backup storage options

Boolean data type

C

Capped collections

Chunks collections

close() function

Command-line tools

file’s length

MD5 hashing algorithm

mongofiles command

Comma-separated values (CSV) format

Composite indexes

Compound indexing

Conditional operators

$elemMatch operator

$exists operator

filtering query results

greater-than and less-than comparisons

$lt, $gt, $lte, and $gte operators

JavaScript query expressions

limit() and skip()

$mod operator, mod operator

multiple expressions

$ne (not equals) operator

$nin operator functions

$not meta-operator, not meta-operator

odd/even integers

retrieving items

$slice operator

D

Database administration

MongoDB server (see also MongoDB backup and restore)

MongoDB console

third-party tools

Databases. See also Updating data

collection renaming

database referencing

findOne() function

reference data manually

dropDatabase() function

drop() function

forward natural order

index-related functions

constraining query matches

ensureIndex() function

hint() function

multiple keys (multi keys)

insert data collection

insert() function

queries (see also Conditional operators)

aggregation commands

capped collection

count() function

createCollection function

distinct() function

find() function

findOne() function

group() function

regular expressions

single documents

sort, limit and skip functions

validate() function

remove() function

renameCollection() function

show collections command

show dbs command

system.indexes collection

viewing available

designing database

capped collection

collections definition

createCollection() function

document definition

embedding vs. referencing information

nonrelational and schemaless

nonrelational approach

nssize parameter

relational approach

relational database model

timestamp field

impact performance, indexes

Data model. See Geospatial indexing

create() function

manual referencing

DBRef() function

DBRef() function (PyMongo);DBRef @function

Delete data, Python

Double data type

E

Embedding information

$exists operator

F

Fields parameter, findandmodify()

Forward natural order

G

Geospatial indexing

$centerSphere operator

ensureIndex() function

find() function

geoNear() function

$geoNear operator

$maxDistance operator

getBytes() function (MongoGridFSFile)

getFilename() function (MongoGridFS)

chunks collections

command-line tools

file’s length

MD5 hashing algorithm

mongofiles command

driver handling

file retrieval, MongoDB

fs.delete() method

fs.files collection

local filesystem

metadata collections

mongofiles tool

database connection

retrieving files

storeUpload() function

H

Hashed shard keys

I

Index-related functions

constraining query matches

ensureIndex() function

Insert() function, PHP driver

Integer data type

Internet Relay Chat (IRC)

$lt, $gt, $lte, and $gte operators

J, K

JavaScript Code data type

Java Script Object Notation (JSON)

complex data structures

embedded document

L

listCollections() function

listDBs() function

M

MapReduce function

document testing, setup

finalize function

printjson() function

working features

MaxKey data type

MinKey data type

Modifier functions

findAndModify() function

field parameter

query parameter

remove parameter

update parameter

fsync argument, update()

fsync argument, update() [PHP]

multiple argument, update() [PHP]

options parameter, update()

save() function

update() function

update operations

$addToSet operator

$each and $push operator

$pullAll operator, pullAll operator

remove each occurrence, $pull operator

remove element, $pop operator

$rename operator

$setOnInsert operator

$unset operator

Modifier operators

existing array ($addToSet operator)

multiple values

$push operator, push operator

$set operator, set operator

$unset operator, unset operator

Mongod application

active cluster problems

aggregation framework

analytics and complex data structures

addUser() function

change user credentials

delegated credentials

in PHP application

read-only permissions

remove() function

auto-sharding scenario

binary data store

collection implementation

database definition

data replication

documents, indexing

composite indexes

dynamic queries

ebay_results key

Fedora and CentOS versions

geospatial indexing

JIRA Tracking System

JSON (see Java Script Object Notation (JSON))

keys and values

key generation/creation

complex information

lack of transaction support

map and reduce functions

massively scalable

master/master replication

mongodb-user google groups

mongoexport utility

multiple official drivers

MySQL nor PostgresSQL

New York Times website

optimal efficiency

optimization (see Optimization)

performance vs. features

connection and disconnection

manual language driver

manually unix-based platform

phpinfo() command

unix-based platforms

python-pip package

query performance (see Query performance)

RAC architecture

relational model

restricted access

role-based authentication system

installation layout

structure optimization

traditional relational (SQL) databases

Unix-based operating systems

aptitude (software)

manual installation

development release

previous release

production release

www://mongodb.org website

MongoDB backup and restore

-d database_name option

mongodump utility

-authenticationDatabase arg

-authenticationMechanism arg

-directoryperdb

mongorestore utility

MongoDB features

aggregation framework (see Aggregation framework)

mapReduce function (see MapReduce function)

text search (see Text search)

MongoDB Management Service (MMS)

asserts section

mongostat utility

rolling upgrade

shut down service

upgrade process

validation and repair

compact command

reIndex() function

repairDatabase() function

validate option

version() function

Multi-version concurrency control (MVCC) approach

N

$ne (not equals) operator

New parameter, findandmodify()

Nonrelational databases

O

Object data type

Object ID data type

Oplog (operation log)

ensureIndex() function

killOp() function

reindex collection

sparse index creation

unique key index

index selection

explain() function

logging storage size

query optimizer

managing indexes

compound index creation

logging systems

simple index creation

server hardware performance

alarming impression

memory-mapped file

working set size

P

PHP driver See also Modifier functions

aggregation framework

conditional operators

$all operator, all operator

$exists operator

$in operator, in operator

$lt, $gt, $lte, and $gte operators

$ne (not equals) operator

$slice projection operator

conditional operators multiple expressions

connection and disconnection

core MongoDB classes

count() function

create() function

manual referencing

drop() function (PHP)

justOne option, remove() function

remove() function

document comparison

documents matching

find() function

findOne() function

fsync option, insert() function

retrieving files

storeUpload() function

hint() function

index with hint

limit() function

manual language driver

manually unix-based platform

MongoCollection class

MongoCursor class

phpinfo() command

query operators

regular expressions

safe option, insert() function

single document

skip() function

sort() function

unix-based platforms

Pipeline expressions

print_r() function (PHP)

$pullAll operator, pullAll operator

$pull operator, pull operator

$push operator, push operator

PyMongo. See Python

PyMongo modules

connection and disconnection

Connection() function

DBRef() function

dereference() function (PyMongo)

finding data (see also Conditional operators)

aggregating queries

create_index() function

find() function

find_one() function

hint() function

import() function

multiple documents

single document

sort(), limit(), and skip() functions

insert() function

inventory database

modifier operators

existing array ($addToSet operator)

multiple values

$unset operator

arg and doc parameter

conditional operators

find_and_modify() function

manipulate argument

save() function

upsert argument

MongoClient() function

PyMongo modules

regular expression

remove() function

database connection

python-pip package

Q

Queries. See also Conditional operators

aggregation commands

capped collection

count() function

distinct() function

find() function

group() function

regular expressions

single-document queries

sort, limit and skip functions

Query parameter, findandmodify()

Query performance

createCollection command

enbling and disabling

explain() modifier

elements return

mongodb.conf file

sample blog application

aforementioned database

fastblogger.php

querying blog.posts

R

Real Application Clusters (RAC) architecture

Regular expressions

Remove parameter, findandmodify()

durability/reliability

active and passive members

cluster implementation

create, manipulate and inspect

db.isMaster() command

members structure

member up and running

MongoDB Write Concern levels

from PHP application

Read Preference options

rs.initiate(replSetcfg)/rs.add(membercfg)

rs.stepDown() command

Settings Structure

improve redundancy

split-brain problem

S

Schemaless databases

selectCollection() function

selectDB() function

$set operator, set operator

configuration server

addshard command

isdbgrid command

listshards command

removeShard command

server instances

Gaelic social network

hashed shard keys

industrialization of data

user collection

$slice projection operator

Snowball string-processing language

Sort parameter, findandmodify()

String data type

String literal searching

Symbol data type

T

compound indexing

wildcard specifier

costs and limitations

enable features

language function

language support

project function

queryDebugString

Snowball string-processing language

string literal searching

Timestamp data type

Time To Live (TTL)

U, V

$unset operator

Update-if-current method

Update parameter, findandmodify()

$addToSet operator

atomic operation

getlasterror method

locking/complex transactions

update-if-current method

findandmodify() function

multi argument (update)

$pullAll operator

removing elements

save() function

$unset operator

update() function

upsert parameter, findandmodify()

W, X, Y, Z

While() function (PHP)

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