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Does HA Can Help You
Balance Your Load?
Equnix Webinar TechTalk 2021 - June 2021
MYTHBUSTERS
Copyright © 2007-2021 PT Equnix Business Solutions. Copyright is protected by law.
This document is owned by PT Equnix Business Solutions. This document contains confidential information, which
is protected by law. No part of this publication could be photocopied, reproduced or translated into another language
without permitted or the express written consent of PT Equnix Business Solutions.
Data and information regarding the proposal and its offer is for limited use and are not disclosed. The information
contained in this document is subject to change at any time without prior notice.
Copyright Statement
Our Client and Partners
High Availability
“Availability of resources in a computer system, in the
wake of component failures in the system.”
Source: IEEE Task Force on Cluster Computing.
In short, It is a capability of the System to failover and avoiding
Single Point of Failure (SPOF)
What is High Availability (HA)?
● HA is a “concept”
● A percentage of time that a given system is providing service since it has
been deployed (production)
● For example: A system is 99% available if the downtime is 4 days in a year
● Everyone craves for the five 9s (downtime of less than 5 minutes in a year
– 99.999%)
● HA is NOT designed for high performance
● HA is NOT designed for high throughput (aka load balancing)
● OS Level
A. Hardware Redundancy
More expensive, provide higher degree of availability
(close to fault tolerant system).
B. Software Solutions
From OS level up to application level. Application should
be support by design. Database level availability is a must
for today requirement.
C. Mix both approaches.
Approaches
HA is not LB
&
LB is not HA
HA for Availability, while LB for Scalability
Scale Up vs Scale Out
Scale Up
❖ Add more CPU Clock
❖ Add more Memory
❖ Add more Storage & IOPS
❖ Tune Logical Database
Structure
❖ Tune Application Logic
❖ Optimize business processes
❖ Open more concurrency
Scale Out
❖ Add more servers
❖ Deploy applications and
database instances on more
than one server
❖ Implement Load balancing
Connection Pool
❖ When database resources is not really
powerful enough
❖ When application load is really heavy
❖ Not for HA
❖ LB on DB is not that simple
Clustering/load balancing – Master/Replica
Master-Replica Load Balancing
Master-Replica Cluster with capability of load balancing.
All update query goes to master, while read-only query goes to replica.
Async
So how to get
both??
Thank You
Equnix Business Solutions, Pte Ltd.
8 Eu Tong Sen Street, #14-94
THE CENTRAL - Singapore 059818
Equnix Business Solutions, PT.
Sampoerna Strategic Square 25th Floor
Jl. Jend Sudirman - Jakarta 12930
Ep Date Topic Speaker
4 30 June
2021
Myth-buster: Build Enterprise Level Data Center is more
expensive than Cloud
Lucky Haryadi
5 7 Juli 2021 Equnix’s Birthday All Equnix Team
6 14 Juli 2021 Friend or Foe: Hiring DBAs or Use Vendors? Chris Travers
7 21 Juli 2021 Friend or Foe: Is Open Source is the right choice for your
system?
Agatha & Yudha
8 28 Juli 2021 Are you sure that your Application is Enterprise Level? Julyanto & Hani
Don’t miss our next episodes...
Our Sponsor
Komunikasi apa yang menjadi pembangun
terbentuknya High Availability pada 2 server?
A. Heart beat
B. Heart pulse
C. Heart wave
D. Streaming replication
Apa yang dimaksud dengan SPOF?
A. Single Point of Faint
B. Separate Point of Failure
C. Single Point of Failure
D. Separate Point of Faint
Apa yang menjadi tujuan dikonfigurasikannya HA?
A. Automatic Takeover
B. Automatic Swing over
C. Automatic Failover
D. Automatic Pullover

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Webinar2021 - Does HA Can Help You Balance Your Load-.pdf

  • 1. Does HA Can Help You Balance Your Load? Equnix Webinar TechTalk 2021 - June 2021 MYTHBUSTERS
  • 2. Copyright © 2007-2021 PT Equnix Business Solutions. Copyright is protected by law. This document is owned by PT Equnix Business Solutions. This document contains confidential information, which is protected by law. No part of this publication could be photocopied, reproduced or translated into another language without permitted or the express written consent of PT Equnix Business Solutions. Data and information regarding the proposal and its offer is for limited use and are not disclosed. The information contained in this document is subject to change at any time without prior notice. Copyright Statement
  • 3. Our Client and Partners
  • 4. High Availability “Availability of resources in a computer system, in the wake of component failures in the system.” Source: IEEE Task Force on Cluster Computing. In short, It is a capability of the System to failover and avoiding Single Point of Failure (SPOF)
  • 5. What is High Availability (HA)? ● HA is a “concept” ● A percentage of time that a given system is providing service since it has been deployed (production) ● For example: A system is 99% available if the downtime is 4 days in a year ● Everyone craves for the five 9s (downtime of less than 5 minutes in a year – 99.999%) ● HA is NOT designed for high performance ● HA is NOT designed for high throughput (aka load balancing) ● OS Level
  • 6. A. Hardware Redundancy More expensive, provide higher degree of availability (close to fault tolerant system). B. Software Solutions From OS level up to application level. Application should be support by design. Database level availability is a must for today requirement. C. Mix both approaches. Approaches
  • 7. HA is not LB & LB is not HA HA for Availability, while LB for Scalability
  • 8.
  • 9. Scale Up vs Scale Out Scale Up ❖ Add more CPU Clock ❖ Add more Memory ❖ Add more Storage & IOPS ❖ Tune Logical Database Structure ❖ Tune Application Logic ❖ Optimize business processes ❖ Open more concurrency Scale Out ❖ Add more servers ❖ Deploy applications and database instances on more than one server ❖ Implement Load balancing
  • 10. Connection Pool ❖ When database resources is not really powerful enough ❖ When application load is really heavy ❖ Not for HA ❖ LB on DB is not that simple
  • 11. Clustering/load balancing – Master/Replica Master-Replica Load Balancing Master-Replica Cluster with capability of load balancing. All update query goes to master, while read-only query goes to replica. Async
  • 12. So how to get both??
  • 13. Thank You Equnix Business Solutions, Pte Ltd. 8 Eu Tong Sen Street, #14-94 THE CENTRAL - Singapore 059818 Equnix Business Solutions, PT. Sampoerna Strategic Square 25th Floor Jl. Jend Sudirman - Jakarta 12930 Ep Date Topic Speaker 4 30 June 2021 Myth-buster: Build Enterprise Level Data Center is more expensive than Cloud Lucky Haryadi 5 7 Juli 2021 Equnix’s Birthday All Equnix Team 6 14 Juli 2021 Friend or Foe: Hiring DBAs or Use Vendors? Chris Travers 7 21 Juli 2021 Friend or Foe: Is Open Source is the right choice for your system? Agatha & Yudha 8 28 Juli 2021 Are you sure that your Application is Enterprise Level? Julyanto & Hani Don’t miss our next episodes...
  • 15. Komunikasi apa yang menjadi pembangun terbentuknya High Availability pada 2 server? A. Heart beat B. Heart pulse C. Heart wave D. Streaming replication
  • 16. Apa yang dimaksud dengan SPOF? A. Single Point of Faint B. Separate Point of Failure C. Single Point of Failure D. Separate Point of Faint
  • 17. Apa yang menjadi tujuan dikonfigurasikannya HA? A. Automatic Takeover B. Automatic Swing over C. Automatic Failover D. Automatic Pullover