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1 Sponsored by:
Sponsored by:
‘Bad Data’ Is Polluting Big Data Enterprises Struggle with Real-Time Control of Data Flows
A Global Survey of Big Data Professionals
June 2016
2
Executive Summary
The big data market is still maturing, especially as relates to
data in motion and as evidenced by lack of best practices or
consistent processes to clean and manage data quality. For
companies who use big data to optimize current business
operations or to make strategic decisions, it is critical
that they ensure their big data teams have real-time
visibility and control over the data at all times.
This report finds that companies who are leveraging big data are rarely
capable of controlling their data flows. Almost 9 out of 10 companies
report ‘bad data’ polluting their data stores and shockingly nearly 3/4
indicate there is ‘bad data’ in their stores currently. The findings also
reveal a chasm between the problem detection capabilities data experts
have today and what they desire. This translates into a lack of real-time
visibility and control of data flows, operations, quality and security.
3 Sponsored by:3
Key Findings
• 87% state ‘bad data’ pollutes their data stores while 74% state ‘bad data’ is
currently in their data stores
• Ensuring data quality was the most common challenge cited, by 68% of
respondents, and only 34% claimed to be good at detecting divergent data
• 72% responded that they hand code their data flows while 53% claimed they
have to change each pipeline at least several times a month
• Tremendous gaps exist between today’s big data flow management tools’
capabilities and what is needed
• Only 10% of respondents rated their performance as good or excellent across 5
key data flow operational performance areas
• 72% desire a single pane of glass solution to manage all data flows
• 81% state there is a significant operational impact when they upgrade big data
components
4 Sponsored by:
METHODOLOGY AND PARTICIPANTS
5 Sponsored by:5
Research GoalThe primary research goal was to capture how
companies manage the flow of big data. The
research also investigated and documented current
tools’ capabilities, data quality and efforts to maintain
big data pipelines and infrastructure
Goals and Methodology
MethodologyBig data professionals worldwide were invited to
participate in a survey on the topic of big data and
ensuring data flow operations and data quality.
The survey was administered electronically and
participants were offered a token compensation for
their participation.
Participants A total of 314 participants that manage big data operations completed the survey.
6 Sponsored by:6
Companies Represented
Industry Size
500 - 1,00025%
1,000 - 5,00029%
5,000 - 10,00016%
More than 10,000
30%
2%
1%
1%
1%
1%
4%
5%
5%
5%
6%
6%
6%
10%
12%
18%
18%
0% 5% 10% 15% 20%
Other
Food and Beverage
Hospitality and Entertainment
Media and Advertising
Non-Profit
Retail
Transportation
Energy and Utilities
Telecommunications
Government
Services
Education
Healthcare
Manufacturing
Financial Services
Technology
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Participant Demographics
LocationRole
6%
8%
17%
34%
52%
56%
0% 10% 20% 30% 40% 50% 60%
Business analyst
Business stakeholder who usesdata to make decisions
BI or Analytics Technology Owner(e.g. data architect, head of data
platform)
IT executive with data initiativesin my portfolio
IT manager responsible fordelivering data initiatives
IT staff responsible for implementing and operating data
infrastructure (e.g. database …
United States or Canada
75%
Europe14%
Mexico, Central America, or South
America4%
Australia or New Zealand
3%
Middle East or Africa
2%
Asia2%
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DETAILED FINDINGS
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What challenges
does your company
face when managing
your big data flows?
Top 3 Challenges for Big Data Flows are Quality, Security and Reliable Operation
1%
32%
40%
47%
52%
60%
68%
0% 10% 20% 30% 40% 50% 60% 70% 80%
We have no challenges
Adapting pipelines to meet new requirements
Upgrading big data infrastructure components(Kafka, Hadoop, etc.).
Building pipelines for getting data into the datastore
Keeping data flow pipelines operating effectively
Complying with security and data privacy policies
Ensuring the quality of the data (accuracy,completeness, consistency)
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Does ‘bad data’
occasionally get into
your data stores?
87% State ‘Bad Data’ Pollutes Their Data Stores
Yes87%
No13%
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Do you believe there
is any ‘bad data’ in
your data stores
currently?
74% State ‘Bad Data’ is Currently in Their Data Stores
Yes74%
No26%
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How does your
company build big
data flow pipelines
today?
77% of Companies Still Use Hand Coding to Build Big Data Flows
27%
63%
77%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90%
Using big data ingestion tools such as StreamSets,NiFi, etc.
Using ETL or data integration tools
Coding with Python, Java, etc. or low-levelframeworks such as Sqoop, Flume or Kafka
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On average, how
often are changes or
fixes made to typical
data flow pipeline?
53% Change Data Flow Pipelines At Least Several Times a Month
3%
19%
31%
26%
12%
8%
0%
5%
10%
15%
20%
25%
30%
35%
Several times aday
Several times aweek
Several times amonth
Several times aquarter
Several times ayear
Less often thanseveral times a
year
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When data structure
or semantics
unexpectedly
change, how big is
the impact on the
operation of your big
data flows (failures,
slowdowns, data
corruption, etc.)?
85% State Unexpected Structure and Semantic Changes Have Substantial Impact on Dataflow Operations
31% 54% 11% 2%2%
0% 20% 40% 60% 80% 100%
Significant impact
Moderate impact
Minor impact
Structure and semantic changeshave no effect on our big dataflows
Data structure and semanticchanges never occur
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How would you
assess your
ability to detect
each of the
following issues
in real-time?
More Than Half of Companies Lack Real Time Information About Data Flow Quality
18%
5%
7%
7%
16%
33%
29%
37%
37%
46%
30%
43%
38%
37%
29%
13%
20%
16%
17%
9%
6%
3%
1%
1%
1%
0% 10%20%30%40%50%60%70%80%90%100%
Personally identifiable information (creditcard numbers, social security numbers) is
being inappropriately placed in a data store
The values of incoming data are divergingfrom historical norms
Error rates are increasing
Data flow throughput is degrading or latencyis growing
A specific data flow pipeline has stoppedoperating
Excellent
Good
Average
Poor
None
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Only 12% Rated Their Performance as ‘Good’ or ‘Excellent’ Across All Five Key Data Flow Metrics
1. A specific data flow pipeline has
stopped operating
2. Data flow throughput is
degrading or latency is growing
3. Error rates are increasing
4. The values of incoming data are
diverging from historical norms
5. Identify personally information
within the data flows
Five Key Data Flow Metrics
Number of Key Data Flow Metrics Participants Represented as ‘Good’ or ‘Excellent’
19% 17% 19% 20% 12% 12%
1
Metrics
0
Metrics
All 5
Metrics
4
Metrics
3
Metrics
2
Metrics
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In your opinion, how
valuable would it be
to be able to detect
each of these issues
in real-time?
Substantial Value In Real-Time Data Flow Detection Capabilities
40%
23%
33%
28%
42%
35%
46%
46%
49%
42%
18%
26%
17%
20%
14%
6%
4%
4%
3%
3%
0% 20% 40% 60% 80% 100%
Identify personally information withinthe data flows
The values of incoming data arediverging from historical norms
Error rates are increasing
Data flow throughput is degrading orlatency is growing
A specific data flow pipeline hasstopped operating
Very valuable
Valuable
Average value
Limited value
Not valuable
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Gap Between Current Pipeline Real-Time Visibility Capabilities and Stated Value
42%
16%
42%
46%
14%
29%
3%
9%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Assessed value
Real-time ability
Excellent/ Very valuable
Good/ Valuable
Average/ Average value
Poor/ Limited value
None/ Not valuable
A specific data flow pipeline has stopped operating
62%
84%
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B. Data flow throughput is degrading or latency is growing
Chasm Between Today’s Data Flow Throughput Metrics and What is Needed
28%
7%
49%
37%
20%
37%
3%
17%
1%
1%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Assessed value
Real-time ability
Excellent/ Very valuable
Good/ Valuable
Average/ Average value
Poor/ Limited value
None/ Not valuable
44%
77%
Data flow throughput is degrading or latency is growing
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Significant Gap Between Error Rate Visibility Value and Current Capabilities
33%
7%
46%
37%
17%
38%
4%
16%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Assessed value
Real-time ability
Excellent/ Very valuable
Good/ Valuable
Average/ Average value
Poor/ Limited value
None/ Not valuable
44%
79%
Error rates are increasing
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Chasm Between Value of Detecting Divergent Data and Current Capabilities
23%
5%
46%
29%
26%
43%
4%
20%
1%
3%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Assessed value
Real-time ability
Excellent/ Veryvaluable
Good/ Valuable
Average/ Averagevalue
Poor/ Limited value
None/ Not valuable
34%
69%
The values of incoming data are diverging from historical norms
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Large Gap Between Data Privacy Value and Current Capabilities
40%
18%
35%
33%
18%
30%
6%
13%
2%
6%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Assessed value
Real-time ability
Excellent/ Very valuable
Good/ Valuable
Average/ Average value
Poor/ Limited value
None/ Not valuable
51%
75%
Identify personal information within the data flows
23 Sponsored by:
How valuable is it to
have a single control
panel for
comprehensive
visibility and
management across
all of your data
flows?
72% Desire A Single Pane of Glass Solution To Manage All Data Flows
24% 48% 24% 4%
0% 20% 40% 60% 80% 100%
Very valuable
Valuable
Average value
Limited value
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Which of the
following do you
consider to be the
most effective
approach to ensuring
data quality?
50% State that Data Cleansing at the Source is the Most Effective Quality Practice
Cleanse data as it flows in from the
source50%
Cleanse and update data once it is in the
store27%
Data scientists or business analysts
cleanse data before using it
23%
25 Sponsored by:
What is the
operational impact of
upgrading big data
components (ingest
technologies,
message queues,
data stores, search
stores, etc.)?
81% State There is Significant Operational Impact to Upgrading Big Data Components
17% 64% 17% 2%
0% 20% 40% 60% 80% 100%
Heavy impact
Moderate impact
Minor impact
No impact
26 Sponsored by:26
For more information…
About Dimensional ResearchDimensional Research provides practical marketing research to help technology companies make smarter business decisions. Our researchers are experts in technology and understand how corporate IT organizations operate. Our qualitative research services deliver a clear understanding of customer and market dynamics.
For more information, visit www.dimensionalresearch.com.
About StreamSetsPlace holder
For more information, visit www.streamsets.com.
27 Sponsored by:
APPENDIX
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Tremendous Gaps Exist Between Currant Big Bata Flow Management Tool Capabilities and What is Needed
Ability to Detect Area in Real-Time Compared Against Stated Value To Detect in Real-Time
18%
40%
5%
23%
7%
33%
7%
28%
16%
42%
33%
35%
29%
46%
37%
46%
37%
49%
46%
42%
30%
18%
43%
26%
38%
17%
37%
20%
29%
14%
13%
6%
20%
4%
16%
4%
17%
3%
9%
3%
6%
2%
3%
1%
1%
0%
1%
1%
1%
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Personally identifiable information (credit card numbers, socialsecurity numbers) is being inappropriately placed in a data store
The values of incoming data are diverging from historical norms
Error rates are increasing
Data flow throughput is degrading or latency is growing
A specific data flow pipeline has stopped operating
Excellent/ Very valuable Good/ Valuable Average/ Average value Poor/ Limited value None/ Not valuable
Stated Value
Current Ability
Stated Value
Current Ability
Stated Value
Current Ability
Stated Value
Current Ability
Stated Value
Current Ability
29 Sponsored by:
Which of the
following approaches
for ensuring data
quality does your
company utilize?
Various Approaches To Managing Data Quality Indicates a Lack of Best Practice
43%
54%
55%
0% 10% 20% 30% 40% 50% 60%
Data scientists or business analysts cleanse databefore using it
Cleanse data as it flows in from the source
Cleanse and update data once it is in the store
30 Sponsored by:
Approximately, what
percentage of data
flow changes and
fixes are made for
day-to-day
maintenance and
troubleshooting
purposes?
Many Must Perform Maintenance and Troubleshooting on Data Flows Routinely
3%
10%
24%
27%
36%
0%
5%
10%
15%
20%
25%
30%
35%
40%
More than 80% 60% - 80% 40% - 60% 20% - 40% Less than 20%