couchbase 101 - installation of couchbase

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Learn about the Architecture of Couchbase and why it’s so fast, installation of Couchbase on various platforms, setup and configuration parameters, monitoring and the Admin console, and scaling Couchbase. What will be covered during this training: Couchbase Architecture Setup parameters and options Admin Console Monitoring Graphs and what they mean Buckets RAM/CPU/IO Writers Scaling, Clustering and Rebalancing Couchbase in the Cloud Using AMI installations References to Docs, Communities, etc.

TRANSCRIPT

Page 1: Couchbase 101 - Installation of Couchbase

Tuesday, October 8, 13

Page 2: Couchbase 101 - Installation of Couchbase

Technical  Evangelist

twi0er:  @scalabl3email:  [email protected]

Jasdeep  Jaitla

Couchbase  101  -­‐  The  Server

Tuesday, October 8, 13

Page 3: Couchbase 101 - Installation of Couchbase

Technical  Evangelist

twi0er:  @scalabl3email:  [email protected]

Jasdeep  Jaitla

Couchbase  101  -­‐  The  Server

Tuesday, October 8, 13

Page 4: Couchbase 101 - Installation of Couchbase

Tuesday, October 8, 13

Page 5: Couchbase 101 - Installation of Couchbase

ARCHITECTURE

Tuesday, October 8, 13

Page 6: Couchbase 101 - Installation of Couchbase

Evolution from memcached

•Founders  were  key  contributors  to  memcached

•Evolved  into  Membase,  a  distributed  and  persisted  key-­‐value  store

•Evolved  into  Couchbase  Document  Store  with  JSON  support  and  Map-­‐Reduce  Indexes,  ElasOc  Search  IntegraOon,  and  Cross-­‐Data  Center  ReplicaOon

Tuesday, October 8, 13

Page 7: Couchbase 101 - Installation of Couchbase

Couchbase Server Core Principles

Easy  Scalability

Consistent  High  Performance

Always  On  24x365

Grow  cluster  without  applica9on  changes,  without  down9me  with  a  single  click

Consistent  sub-­‐millisecond  read  and  write  response  9mes  with  consistent  high  throughput

No  down9me  for  soBware  upgrades,  hardware  maintenance,  etc.

Flexible  Data  Model

JSON  Anywhere  document  model  with  no  fixed  schema.

JSONJSONJSON

JSONJSON

PERFORMANCE

Tuesday, October 8, 13

Page 8: Couchbase 101 - Installation of Couchbase

Couchbase Server 2.0 Architecture

Heartbeat

Process  m

onito

r

Glob

al  singleton  supe

rviso

r

Confi

gura9o

n  manager

on  each  node

Rebalance  orchestrator

Nod

e  he

alth  m

onito

r

one  per  cluster

vBucket  state  and

 replica9

on  m

anager

h"pRE

ST  m

anagem

ent  A

PI/W

eb  UI

HTTP8091

Erlang  port  mapper4369

Distributed  Erlang21100  -­‐  21199

Erlang/OTP

storage  interface

Couchbase  EP  Engine

11210Memcapable    2.0

Moxi

11211Memcapable    1.0

Memcached

New  Persistence  Layer

8092Query  API

Que

ry  Engine

Data  Manager Cluster  Manager

Tuesday, October 8, 13

Page 9: Couchbase 101 - Installation of Couchbase

Couchbase Server 2.0 Architecture

New  Persistence  Layer

storage  interface

Couchbase  EP  Engine

11210Memcapable    2.0

Moxi

11211Memcapable    1.0

Object-­‐level  Cache

Disk  Persistence

8092Query  API

Que

ry  Engine

HTTP8091

Erlang  port  mapper4369

Distributed  Erlang21100  -­‐  21199

Heartbeat

Process  m

onito

r

Glob

al  singleton  supe

rviso

r

Confi

gura9o

n  manager

on  each  node

Rebalance  orchestrator

Nod

e  he

alth  m

onito

r

one  per  cluster

vBucket  state  and

 replica9

on  m

anager

h"p

REST  m

anagem

ent  A

PI/W

eb  UI

Erlang/OTP

Server/Cluster  Management  &  Communica6on

(Erlang)

RAM  Cache,  Indexing  &  Persistence  Management

(C)

Tuesday, October 8, 13

Page 10: Couchbase 101 - Installation of Couchbase

Couchbase  OrganizaOon

• Couchbase  operates  like  a  Key-­‐Value  Document  Store

• Key  is  a  UTF-­‐8  string  up  to  256  Bytes

• Values  can  be:  

-­‐ Simple  Datatypes:  strings,  numbers,  dateOme,  boolean,  and  binary  data  can  be  stored  -­‐-­‐  they  are  stored  as  Base64  encoded  strings

-­‐ Complex  Datatypes:  dicOonaries/hashes,  arrays/lists,  can  be  stored  in  JSON  format  (simple  lists  can  be  string  based  with  delimiter)

-­‐ JSON  is  a  special  class  of  string  with  a  specific  format  for  encoding  simple  and  complex  data  structures

• Schema  is  unenforced  and  implicit,  schema  changes  are  programmaOc,  done  online,  and  can  vary  from  Document  to  Document

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Page 11: Couchbase 101 - Installation of Couchbase

Metadata and Documentsmeta{

“id”:  “u::[email protected]”,“rev”:  “1-­‐0002bce0000000000”,“flags”:  0,“expiraUon”:  0,“type”:  “json”

}

document{

“uid”:  123456,“firstname”:  “jasdeep”,“lastname”:  “Jaitla”,“age”:  22,“favorite_colors”:  [“blue”,  “black”],“email”:  “[email protected]

}

Meta  Informa6on  Including  Key  (id)

All  Keys  Unique  and  Kept  in  RAM

Document  Value

Most  Recent  In  RAM  And  Persisted  To  Disk

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Page 12: Couchbase 101 - Installation of Couchbase

Retrieval Operations

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

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Page 13: Couchbase 101 - Installation of Couchbase

Retrieval Operations

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

get

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Page 14: Couchbase 101 - Installation of Couchbase

Retrieval Operations

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

get

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Page 15: Couchbase 101 - Installation of Couchbase

Storage Operations

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

Tuesday, October 8, 13

Page 16: Couchbase 101 - Installation of Couchbase

Storage Operations

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

set/add/replace

Tuesday, October 8, 13

Page 17: Couchbase 101 - Installation of Couchbase

Storage Operations

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

set/add/replace

Tuesday, October 8, 13

Page 18: Couchbase 101 - Installation of Couchbase

Storage Operations

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

set/add/replace

Tuesday, October 8, 13

Page 19: Couchbase 101 - Installation of Couchbase

Storage Operations

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

set/add/replace

Tuesday, October 8, 13

Page 20: Couchbase 101 - Installation of Couchbase

Consistency

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

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Page 21: Couchbase 101 - Installation of Couchbase

Consistency

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

get

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Page 22: Couchbase 101 - Installation of Couchbase

Ejection, NRU, Cache Miss

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

Tuesday, October 8, 13

Page 23: Couchbase 101 - Installation of Couchbase

Ejection, NRU, Cache Miss

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

set/add/replaceset/add/replaceset/add/replace

Tuesday, October 8, 13

Page 24: Couchbase 101 - Installation of Couchbase

Ejection, NRU, Cache Miss

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

FULL  (90%)

NRU Documents Ejected

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Page 25: Couchbase 101 - Installation of Couchbase

Ejection, NRU, Cache Miss

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

Tuesday, October 8, 13

Page 26: Couchbase 101 - Installation of Couchbase

Ejection, NRU, Cache Miss

Couchbase Server

EP EngineRAM Cache

Disk Write Queue

Replication Queue

Application Server

Replica Couchbase Cluster Machine

get

Non-­‐Resident  Document  

("Cache  Miss")

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Page 27: Couchbase 101 - Installation of Couchbase

Clients Connect Directly to Couchbase Nodes

Application Servers

MAP

1024

8 GB RAMPartitions

3 IO Workers

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Page 28: Couchbase 101 - Installation of Couchbase

Clients Connect Directly to Couchbase Nodes

Application Servers

MAP

1024

8 GB RAMPartitions

3 IO Workers

Tuesday, October 8, 13

Page 29: Couchbase 101 - Installation of Couchbase

Clients Connect Directly to Couchbase Nodes

Application Servers

MAP

MAP

MAP

1024

8 GB RAMPartitions

3 IO Workers

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Page 30: Couchbase 101 - Installation of Couchbase

Key Hash-Partitioning

Application Servers

MAP

MAP

MAP

1024

8 GB RAMPartitions

3 IO Workers

ClientHashFunc6on("[email protected]")  =>  Par66on[0..1023]  {25}ClusterMap[P(25)]  =>  [x.x.x.x]  =>  IP  of  Server  Responsible  for  Par66on  25

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Page 31: Couchbase 101 - Installation of Couchbase

Application Servers8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

Horizontal Scale-Rebalance

TOTAL

16 GB RAM

6 IO Workers

1024

Partitions

1024

Partitions

TOTAL

8 GB RAM

3 IO Workers

1024

Partitions

Tuesday, October 8, 13

Page 32: Couchbase 101 - Installation of Couchbase

Application Servers8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

Horizontal Scale-Rebalance

TOTAL

16 GB RAM

6 IO Workers

1024

Partitions1024

Partitions

512

Partitions

512

Partitions

Tuesday, October 8, 13

Page 33: Couchbase 101 - Installation of Couchbase

Horizontal Scale-Rebalance

TOTAL

32 GB RAM

12 IO Workers

1024

Partitions

Application Servers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

512

Partitions

512

Partitions

TOTAL

16 GB RAM

6 IO Workers

1024

Partitions

MAP

MAP MAP

MAP

Tuesday, October 8, 13

Page 34: Couchbase 101 - Installation of Couchbase

Horizontal Scale-Rebalance

TOTAL

32 GB RAM

12 IO Workers

1024

Partitions

Application Servers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

512

Partitions

512

Partitions

256

Partitions

256

Partitions

256

Partitions

256

Partitions

TOTAL

16 GB RAM

6 IO Workers

1024

Partitions

MAP

MAP

MAP

MAP

MAP

MAP

MAP

MAP

Tuesday, October 8, 13

Page 35: Couchbase 101 - Installation of Couchbase

Horizontal Scale-Rebalance

TOTAL

32 GB RAM

12 IO Workers

1024

Partitions

Application Servers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

8 GB RAM

3 IO Workers

512

Partitions

512

Partitions

256

Partitions

256

Partitions

256

Partitions

256

Partitions

MAP

MAP

MAP

MAP

MAP

MAP

MAP

MAP

Tuesday, October 8, 13

Page 36: Couchbase 101 - Installation of Couchbase

All  Metadata  for  All  Documents  

(64  bytes  +  Key  Length)

Document  Values(NRU  Ejected  if  RAM  Quota  

Used  >  90%)

Also  Leave  RAM  For  OS:  

[Filesystem  Cache  >>  Views]

Document  Indexing

Monitoring

XDCR

Recommended:  

minimum  4  Cores+  1  core  per  design  document+  1  core  per  XDCR  replicated  

bucket

Persisted  Documents

All  Indexes  for  Design  Documents/Views

Append-­‐Only  Disk  Format&  CompacUon

Performance:

MulUple  EBS  Volumes  High  IOPS  Raid  0  on  Amazon

RAM, CPU and IO Guidelines

RAM CPU Disk  IO

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Page 37: Couchbase 101 - Installation of Couchbase

Binary Socket Operations (11210/1)• get (key)

– Retrieve a document

• set (key, value)

– Store a document, overwrites if exists

• add (key, value)

– Store a document, error/exception if exists

• replace (key, value)

– Store a document, error/exception if doesn’t exist

• incr (key)

– Create/Increment Atomic Counter

• decr (key)

– Decrement Atomic Counter

• cas (key, value, cas)

– Compare and swap, set document only if it hasn’t changed (Optimistic Lock)

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Page 38: Couchbase 101 - Installation of Couchbase

HTTP Operations (8092)

• View Querying

– Range Queries

– Index-Key Match Queries

– Set Match Queries

– Aggregate Reduces

– Group Level + Grouping Queries

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Page 39: Couchbase 101 - Installation of Couchbase

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Page 40: Couchbase 101 - Installation of Couchbase

INSTALL  SERVER

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Page 41: Couchbase 101 - Installation of Couchbase

Download Couchbasewww.couchbase.com/download

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Page 42: Couchbase 101 - Installation of Couchbase

Install on Amazon via AMI

Tuesday, October 8, 13

Page 43: Couchbase 101 - Installation of Couchbase

Install on Amazon via AMI

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Page 44: Couchbase 101 - Installation of Couchbase

Run Couchbase and Open Browserlocalhost:8091  or  ec2-­‐xx-­‐xx-­‐xx-­‐xx.compute-­‐1.amazonaws.com:8091

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Page 45: Couchbase 101 - Installation of Couchbase

Setup: Step 1 - Storage Paths & RAM Maximum

Tuesday, October 8, 13

Page 46: Couchbase 101 - Installation of Couchbase

Setup: Step 1 - Storage Paths & RAM Maximum

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Page 47: Couchbase 101 - Installation of Couchbase

Setup: Step 2 - Sample Buckets

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Page 48: Couchbase 101 - Installation of Couchbase

Setup: Step 3 - Configure Default Bucket

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Page 49: Couchbase 101 - Installation of Couchbase

Setup: Step 3 - Configure Default Bucket

Tuesday, October 8, 13

Page 50: Couchbase 101 - Installation of Couchbase

Setup: Step 4 - Register & Agree

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Page 51: Couchbase 101 - Installation of Couchbase

Setup: Step 5 - Admin password

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Page 52: Couchbase 101 - Installation of Couchbase

Setup: Complete

Tuesday, October 8, 13

Page 53: Couchbase 101 - Installation of Couchbase

Tuesday, October 8, 13

Page 54: Couchbase 101 - Installation of Couchbase

SETUP  SDK

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Page 55: Couchbase 101 - Installation of Couchbase

Supported SDK'swww.couchbase.com/communiUes

• Each  supported  SDK  page  has  instrucOons  for  setup

• PHP,  Ruby,  NodeJS  and  Python  clients  are  wrappers  around  libcouchbase  C  library,  so  libcouchbase  must  be  installed  first

• For  other  community  clients,  click  on  "All  Clients"  on  lei  nav,  scroll  down  the  page  and  you  can  see  clients  for  Go,  Erlang,  Clojure,  TCL,  other  nodejs  and  Perl.

Tuesday, October 8, 13

Page 56: Couchbase 101 - Installation of Couchbase

Installing Libcouchbase

• Mac  Tips  before  Libcouchbase  &  SDK  Install

• Make  sure  you  have  XCode  &  Command  Line  Tools  Installed

• Install  Homebrew  if  you  don't  have  it  already

• Do  a  $  brew  update,  $  brew  upgrade  and  $  brew  doctor  to  be  sure  you're  up  to  date

www.couchbase.com/communiUes/c/gekng-­‐started

Tuesday, October 8, 13

Page 57: Couchbase 101 - Installation of Couchbase

Installing Libcouchbase

• Mac  Via  Homebrew

• $  brew  install  libcouchbase

• PC-­‐Windows  

• Download  appropriate  Zip  from  website

• Redhat/CentOS

• wget  the  yum  repositories

• $  sudo  yum  install  -­‐y  libcouchbase2-­‐libevent  libcouchbase-­‐devel

• Ubuntu

• wget  ubuntu  repositories

• $  sudo  apt-­‐get  install  libcouchbase2-­‐libevent  libcouchbase-­‐dev

www.couchbase.com/communiUes/c/gekng-­‐started

Tuesday, October 8, 13

Page 58: Couchbase 101 - Installation of Couchbase

More On Development

Training:  Couchbase  102  -­‐  Developingwww.couchbase.com/webinars

Tuesday, October 8, 13

Page 59: Couchbase 101 - Installation of Couchbase

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SERVER  MONITORING

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Page 61: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

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Store and Retrieve Operations

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Store and Retrieve Operations

Storage  Ops/sRetrieve  Ops/sRetrieve  off  DiskTotal  Ops/s

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Page 64: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

Storage  Ops/sRetrieve  Ops/sRetrieve  off  DiskTotal  Ops/s

Item  CountDelete  Ops/s CAS  Ops/s %  Documents  in  RAM

Tuesday, October 8, 13

Page 65: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

Tuesday, October 8, 13

Page 66: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

RAM  FULL  +  Very  High  Velocity  Writes!

Tuesday, October 8, 13

Page 67: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

RAM  FULL  +  Very  High  Velocity  Writes!

RAM  Used  for  Metadata  +  Data

Tuesday, October 8, 13

Page 68: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

RAM  FULL  +  Very  High  Velocity  Writes!

Begin  EjecUon  of  Replicas  from  RAM

Begin  EjecUon  of  AcUve  from  RAM

RAM  Used  for  Metadata  +  Data

Tuesday, October 8, 13

Page 69: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

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Store and Retrieve Operations

Disk  Creates Disk  Updates Disk  Queue  SizeDisk  Reads  (Cache  Miss)

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Store and Retrieve Operations

Disk  Creates Disk  Updates Disk  Queue  SizeDisk  Reads  (Cache  Miss)

Total  Disk  UsageDocs  Data  Size  (Compressed) Docs  Size  on  Disk FragmentaUon

(from  Appends)

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Page 72: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

Disk  Queue  Size

Tuesday, October 8, 13

Page 73: Couchbase 101 - Installation of Couchbase

Store and Retrieve Operations

Disk  Queue  SizeDisk  Queue  Size(Need  More  IO!)

Tuesday, October 8, 13

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Partition (vbucket) Details

Tuesday, October 8, 13

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Partition (vbucket) Details

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Partition (vbucket) DetailsAcUve  ParUUons

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Partition (vbucket) DetailsAcUve  ParUUons Replica  ParUUons

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Partition (vbucket) DetailsAcUve  ParUUons Replica  ParUUons Pending  ParUUons  

(Rebalance)

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Page 79: Couchbase 101 - Installation of Couchbase

Partition (vbucket) Details

Tuesday, October 8, 13

Page 80: Couchbase 101 - Installation of Couchbase

Partition (vbucket) Details

Item  Count

Tuesday, October 8, 13

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Partition (vbucket) Details

%  Documents  in  RAM

Item  Count

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Partition (vbucket) Details

%  Documents  in  RAM

CreaUons

Item  Count

Tuesday, October 8, 13

Page 83: Couchbase 101 - Installation of Couchbase

Partition (vbucket) Details

EjecUons  (RAM  Full)

%  Documents  in  RAM

CreaUons

Item  Count

Tuesday, October 8, 13

Page 84: Couchbase 101 - Installation of Couchbase

Partition (vbucket) Details

Documents

EjecUons  (RAM  Full)

%  Documents  in  RAM

CreaUons

Item  Count

Tuesday, October 8, 13

Page 85: Couchbase 101 - Installation of Couchbase

Partition (vbucket) Details

Metadata

Documents

EjecUons  (RAM  Full)

%  Documents  in  RAM

CreaUons

Item  Count

Tuesday, October 8, 13

Page 86: Couchbase 101 - Installation of Couchbase

Partition (vbucket) Details

Tuesday, October 8, 13

Page 87: Couchbase 101 - Installation of Couchbase

Partition (vbucket) Details

Note:  64  Par66ons  on  Mac  OS  X!  This  is  simply  to  avoid  altering  default  file  descriptor  limits,  

don't  XDCR  with  other  Opera6ng  Systems

Tuesday, October 8, 13

Page 88: Couchbase 101 - Installation of Couchbase

Disk IO Information

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Disk IO Information

AcUve  ParUUons

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Disk IO Information

AcUve  ParUUons Replica  ParUUons

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Disk IO Information

AcUve  ParUUons Replica  ParUUons Pending  ParUUons  (Rebalance)

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Disk IO Information

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Disk IO Information

Queue  Size

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Disk IO Information

Queue  Fill  Rate

Queue  Size

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Disk IO Information

Queue  Fill  Rate

Queue  Drain  Rate

Queue  Size

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Disk IO Information

Average  Age  of  Queue  Items

Queue  Fill  Rate

Queue  Drain  Rate

Queue  Size

Tuesday, October 8, 13

Page 97: Couchbase 101 - Installation of Couchbase

Tuesday, October 8, 13

Page 98: Couchbase 101 - Installation of Couchbase

QUICK  DEMO

Tuesday, October 8, 13

Page 99: Couchbase 101 - Installation of Couchbase

Tuesday, October 8, 13

Page 100: Couchbase 101 - Installation of Couchbase

Q  &  A

Tuesday, October 8, 13

Page 101: Couchbase 101 - Installation of Couchbase

Focused  on  Beginning  DevelopmentThis  Thursday!

www.couchbase.com/webinars

Tuesday, October 8, 13

Page 102: Couchbase 101 - Installation of Couchbase

COUCHBASE  102

Focused  on  Beginning  DevelopmentThis  Thursday!

www.couchbase.com/webinars

Tuesday, October 8, 13