Streaming Visualization

Guido Schmutz
Working at Trivadis for more than 22 years
Consultant, Trainer Software Architect for Java, Oracle, SOA and Big Data / Fast Data
Oracle Groundbreaker Ambassador & Oracle ACE Director
Head of Trivadis Architecture Board
Technology Manager @ Trivadis
More than 30 years of software development experience
Contact: guido.schmutz@trivadis.com
Blog: http://guidoschmutz.wordpress.com
Slideshare: http://www.slideshare.net/gschmutz
Twitter: gschmutz
167th edition

Agenda
1. Motivation / Introduction
2. Stream Data Integration & Stream Analytics Ecosystem
3. Three Blueprints for Streaming Visualization
End-to-End Demo available here:
https://github.com/gschmutz/various-demos/tree/master/streaming-visualization

Timely decisions require new data in minutes

Keep the data in motion …
Data at Rest Data in Motion
Store
(Re)Act
Visualize/
Analyze
StoreAct
Analyze
11101
01010
10110
11101
01010
10110
vs.
Visualize

Hadoop Clusterd
Hadoop Cluster
Big Data
Reference Architecture for Data Analytics Solutions
SQL
Search
Service
BI Tools
Enterprise Data
Warehouse
Search / Explore
File Import / SQL Import
Event
HubData
Flow
Data
Flow
Change DataCapture Parallel
Processing
Storage
Storage
RawRefined
Results
SQL
Export
Microservice State
{ }
API
Stream
Processor
State
{ }
API
Event
Stream
Event
Stream
Search
Service
Stream Analytics
Microservices
Enterprise Apps
Logic
{ }
API
Edge Node
Rules
Event Hub
Storage
Bulk Source
Event Source
Location
DB
Extract
File
DB
IoT
Data
Mobile
Apps
Social
Event Stream
Telemetry

Two Types of Stream Processing
(by Gartner)
Stream Data Integration
• focuses on the ingestion and processing of
data sources targeting real-time extract-
transform-load (ETL) and data integration
use cases
• filter and enrich the data
Stream Analytics
• targets analytics use cases
• calculating aggregates and detecting
patterns to generate higher-level, more
relevant summary information (complex
events)
• Complex events may signify threats or
opportunities that require a response from
the business
Gartner: Market Guide for Event Stream Processing, Nick Heudecker, W. Roy Schulte

Stream Data Integration &
Stream Analytics Ecosystem

Stream Data Integration & Stream Analytics Ecosystem
Stream Analytics
Event Hub
Open Source Closed Source
Stream Data Integration
Source: adapted from Tibco
Edge

Apache Kafka – A Streaming Platform
Kafka Cluster
Consumer 1 Consume 2r
Broker 1 Broker 2 Broker 3
Zookeeper
Ensemble
ZK 1 ZK 2ZK 3
Schema
Registry
Service 1
Management
Control Center
Kafka Manager
KAdmin
Producer 1 Producer 2
kafkacat
Data Retention:
• Never
• Time (TTL) or Size-based
• Log-Compacted based
Producer3Producer3
ConsumerConsumer 3

Apache Kafka – A Streaming Platform
Source
Connector
Sink
Connector
trucking_
driver
KSQL Engine
Kafka Streams
Kafka Broker

Demo using Kafka Stack for Stream Data Integration
Stream
Analytics
Event
Hub
Stream Data Integration & Stream Analytics
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data Flow
??
Filter: #voxxeddaysbanff,#java,#kafka,….
User: @VoxxedDaysBanff, @gschmutz

Demo: Kafka Connect to retrieve Tweets
curl -X "POST" "$DOCKER_HOST_IP:8083/connectors"
-H "Content-Type: application/json"
--data '{
"name": "twitter-source",
"config": {
"connector.class":
"com.github.jcustenborder.kafka.connect.twitter.TwitterSourceConnector",
"twitter.oauth.consumerKey": "xxxxx",
"twitter.oauth.consumerSecret": "xxxxx",
"twitter.oauth.accessToken": "xxxx",
"twitter.oauth.accessTokenSecret": "xxxxx",
"process.deletes": "false",
"filter.keywords": "#voxxeddaysbanff,#java",
"filter.userIds": "15148494",
"kafka.status.topic": "tweet-raw-v1",
"tasks.max": "1"
}
}'

Demo: KSQL for Streaming ETL
CREATE STREAM tweet_s
WITH (KAFKA_TOPIC='tweet-v1', VALUE_FORMAT='AVRO', PARTITIONS=8) AS
SELECT id , createdAt , text , user->screenName
FROM tweet_raw_s;
CREATE STREAM tweet_raw_s WITH (KAFKA_TOPIC='tweet-raw-v1',
VALUE_FORMAT='AVRO');
SELECT id, lang, removestopwords(split(LCASE(text), ' ')) AS word
FROM tweet_raw_s
WHERE lang = 'en' or lang = 'de';
SELECT id, LCASE(hashtagentities[0]->text)
FROM tweet_raw_s
WHERE hashtagentities[0] IS NOT NULL;

Visualization: many many options!
But do they all support Streaming Data?

Three Blueprints for
Streaming Visualization

BP1: Fast datastore with regular polling from
consumer
Storage
Stream
Analytics
Event
Hub
API
Data Store
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data In Motion Data at Rest
Data Flow

BP1-1: Elasticsearch / Kibana
Storage
Stream
Analytics
Event
Hub
API
Data Store
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data Flow
Alternatives:
SOLR & Banana

BP1-2: InfluxDB / Grafana or Chronograf
Storage
Stream
Analytics
Event
Hub
API
Data Store
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data Flow
Alternatives:
Prometheus & Grafana
Druid & Superset

BP1-3: NoSQL & Custom Web
Storage
Stream
Analytics
Event
Hub
API
Data Store
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data Flow

BP-1: Demo Redis NoSQL & Custom Web
https://opensky-network.org/

BP1-4: Kafka Streams Interactive Query & Custom App
Storage
Stream
Analytics
Event
Hub
API
Data Store
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data Flow
Alternatives:
Flink
…

BP2: Direct Streaming to the Consumer
Stream
Analytics
Event
Hub
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data In Motion
Data Flow
Channel/
Protocol
API

BP2-1: Kafka Connect to Slack / WhatsApp
Stream
Analytics
Event
Hub
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data In Motion
Data Flow
Channel/
Protocol
API
Alternatives:
Twitter
SMS
…

BP-2-1: Demo Kafka Connect to Slack
curl -X "POST" "$DOCKER_HOST_IP:8083/connectors"
-H "Content-Type: application/json"
--data '{
"name": "slack-sink",
"config": {
"connector.class": "net..SlackSinkConnector",
"tasks.max": "1",
"topics":"slack-notify",
"slack.token":”XXXX",
"slack.channel":"general",
"message.template":
"tweet by ${USER_SCREENNAME} with ${TEXT}",
}
}'

BP2-2: Kafka to Tipboard (Dashboard Solution)
Stream
Analytics
Event
Hub
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data In Motion
Data Flow
Channel/
Protocol
API
Alternatives:
Dashing
Geckoboard
…

BP2-2: Demo Kafka to Tipboard (Dashboard Solution)
http://allegro.tech/tipboard/

BP2-2: Demo Kafka to Tipboard (Dashboard Solution)
c.subscribe(['DASH_TWEET_COUNT_BY_HOUR_T'])
while True:
msg = c.poll(1.0)
data = json.loads(msg.value().decode('utf-8'))
data_selected = data.get('NOF_TWEETS’)
data_prepared = prepare_for_just_value(data_selected)
data_jsoned = json.dumps(data_prepared)
data_to_push = { 'tile': TILE_NAME, 'key': TILE_KEY
, 'data': data_jsoned }
resp = requests.post(API_URL_PUSH, data=data_to_push)
def prepare_for_just_value(data):
# data={"title": "Number of Tweets:", "description": "(1 hour)", "just-value": "23"
data_prepared = data
data_prepared = {'title': '# Tweets:', 'description': 'per hour’,
'just-value': data_prepared}
return data_prepared

BP2-3: Web Sockets / SSE & Custom Modern Web App
Stream
Analytics
Event
Hub
Streaming
Visualization
Data Flow
ConsumerData
Sources
Data In Motion
Data Flow
Channel/
Protocol
API
Sever Sent Event (SSE)

BP3: Streaming SQL Result to Consumer
Stream
Analytics
Event
Hub
Stream Data Integration & Stream Analytics ConsumerData
Sources
Data In Motion
Data Flow
API Streaming
Visualization

BP3-1: KSQL and Arcadia Data
Stream
Analytics
Event
Hub
Sources
Data In Motion
Data Flow
API Streaming
Visualization

BP3-1: Demo KSQL and Arcadia Data
https://www.arcadiadata.com/

BP3-2: KSQL with REST API to Custom Web App
Stream
Analytics
Event
Hub
Sources
Data In Motion
Data Flow
API Streaming
Visualization

BP3-2: Demo KSQL with REST API
curl -X POST -H 'Content-Type: application/vnd.ksql.v1+json’
-i http://analyticsplatform:8088/query --data '{
"ksql": "SELECT text FROM tweet_raw_s;",
"streamsProperties": { "ksql.streams.auto.offset.reset": "latest” }
}'
{"row":{"columns":["The latest The Naji Filali Daily! https://t.co/9E6GonrySE Thanks to
@Xavier_Porter1 @ClouMedia #ai #bigdata"]},"errorMessage":null,"finalMessage":null}
{"row":{"columns":["RT @Futurist_Invest: This robot can copy your face! Creepy nn#SaturdayThoughts
#SaturdayMorning #creepy #bots #bot #AI #bigdata #robotics
#…"]},"errorMessage":null,"finalMessage":null}
{"row":{"columns":["She’s back telling us all about why datathons are exciting now :) Catch her
while you can! @ARUKscientist @S_Bauermeister #bigdata #ARUKConf
https://t.co/Br484db5ut"]},"errorMessage":null,"finalMessage":null}
{"row":{"columns":["Blockchain Competitive Innovation
Advantage"]},"errorMessage":null,"finalMessage":null}

BP3-3: Spark Streaming & Oracle Stream Analytics
Stream
Analytics
Event
Hub
Sources
Data In Motion
Data Flow
API Streaming
Visualization

BP3-3: Demo Spark Streaming & Oracle Stream
Analytics
https://www.oracle.com/middleware/technologies/complex-event-processing.html

Summary
BP1: Fast Store & Polling
• “classic” pattern
• Not end-to-end “data-in-
motion” -> “Data-at-rest”
before visualization
• Slight delay might not be
acceptable for monitoring
dashboard
• Can use full power of data
store(s) => NoSQL
• In-memory reduces overhead
BP2: Stream to Consumer
• minimal latency
• More difficult on “client side”
• good if stream holds directly
what should be displayed
• More difficult if data in
stream needs to be analyzed
before visualization
• No historical info available
BP3: Streaming SQL
• Minimal latency
• Power of SQL query engine
available for visualization
• possibility for “self-service”
style visualization
• Some analytics are more
difficult on streaming data
• No historical info available

Streaming Visualization

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