Jeffrey Zhang
- Data Science / ML algorithm approaches to the Capacity/Performance engineering. - Over 15 years professional capacity planning experience,... | San Ramon, California, United States
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Jeffrey Zhang’s Emails je****@ap****.com
Jeffrey Zhang’s Phone Numbers No phone number available.
Social Media
Jeffrey Zhang’s Location San Ramon, California, United States
Jeffrey Zhang’s Expertise - Data Science / ML algorithm approaches to the Capacity/Performance engineering. - Over 15 years professional capacity planning experience, massively scaling up the internet sites like search engine of amazon.com, eBay.com, salesforce.com and Apple AppStore, etc. Expertise in scaling the infra by maximizing the hardware performance at low cost in large DCs. - Hands-on and over 15 years Performance Engineering experience to optimize the E-commerce sites, on premise and AWS Cloud, with the practical approach of Comparison, Correlation and Visualization. - Over 15+ years database architecture, design, administration, availability and data modeling experience at paypal.com, ebay.com, saleforce.com, walmart.com, rearden commerce, etc. Specialties: - Linux and TCP/IP network - Amazon EMR, EC2, S3 - System tuning with linux perf, strace, etc. TCPDumpAnalyzer developed. - Oracle Database Internal, V, Waits, Latch, Ash, AWR etc - SQL tuning, trace, tkprof, explain plan - JVM heap, Full/Young GC, Memcached Time - Graphing : rrdtool, Adobe Flash tool like FusionCharts, Matplotlib with Pandas - Scripting : Python, JavaScript, Unix Shell
Jeffrey Zhang’s Current Industry Apple
Jeffrey
Zhang’s Prior Industry
Agf
|
Netcom
|
Paypal
|
Ebay Com
|
Yahoo Com
|
Rearden Commerce
|
Salesforce Com
|
A9 Com
|
Walmart Com
|
Apigee
|
Saleforceiq
|
Apple
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Work Experience
Apple
Performance Engineering
Thu Jun 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time) — Present
Saleforceiq
Principle Performance Engineer
Sun Jan 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time) — Sun Jan 01 2017 00:00:00 GMT+0000 (Coordinated Universal Time)
Apigee
Coach, Performance Engineering
Thu Jan 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time) — Fri Jan 01 2016 00:00:00 GMT+0000 (Coordinated Universal Time)
Walmart Com
Staff Capacity/Performance Engineer
Tue Jan 01 2013 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Jan 01 2015 00:00:00 GMT+0000 (Coordinated Universal Time)
A9 Com
Capacity and Performance Analyst
Sat Jan 01 2011 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue Jan 01 2013 00:00:00 GMT+0000 (Coordinated Universal Time)
Salesforce Com
Lead Database Performance Engineer, Capacity Planner
Wed Oct 01 2008 00:00:00 GMT+0000 (Coordinated Universal Time) — Sun May 01 2011 00:00:00 GMT+0000 (Coordinated Universal Time)
Rearden Commerce
Principle Performance Engineer, Database
Wed Aug 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed Oct 01 2008 00:00:00 GMT+0000 (Coordinated Universal Time)
Yahoo Com
Database Architect
Tue May 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time) — Wed Aug 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time)
Ebay Com
Staff Capacity and Performance Engineer
Tue Nov 01 2005 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue May 01 2007 00:00:00 GMT+0000 (Coordinated Universal Time)
Paypal
Staff DBA
Thu Jul 01 2004 00:00:00 GMT+0000 (Coordinated Universal Time) — Tue Nov 01 2005 00:00:00 GMT+0000 (Coordinated Universal Time)
Netcom
Sr Oracle DBA
Thu Jan 01 1998 00:00:00 GMT+0000 (Coordinated Universal Time) — Thu Jan 01 2004 00:00:00 GMT+0000 (Coordinated Universal Time)
Agf
Oracle DBA
Sun Jan 01 1995 00:00:00 GMT+0000 (Coordinated Universal Time) — Mon Jan 01 1996 00:00:00 GMT+0000 (Coordinated Universal Time)Skills
Languages
Jeffrey Zhang Email Addresses
FAQ About Jeffrey Zhang
-
Jeffrey Zhang is located at
San Ramon, California, United States -
Jeffrey Zhang is a
- Data Science / ML algorithm approaches to the Capacity/Performance engineering. - Over 15 years professional capacity planning experience, massively scaling up the internet sites like search engine of amazon.com, eBay.com, salesforce.com and Apple AppStore, etc. Expertise in scaling the infra by maximizing the hardware performance at low cost in large DCs. - Hands-on and over 15 years Performance Engineering experience to optimize the E-commerce sites, on premise and AWS Cloud, with the practical approach of Comparison, Correlation and Visualization. - Over 15+ years database architecture, design, administration, availability and data modeling experience at paypal.com, ebay.com, saleforce.com, walmart.com, rearden commerce, etc. Specialties: - Linux and TCP/IP network - Amazon EMR, EC2, S3 - System tuning with linux perf, strace, etc. TCPDumpAnalyzer developed. - Oracle Database Internal, V, Waits, Latch, Ash, AWR etc - SQL tuning, trace, tkprof, explain plan - JVM heap, Full/Young GC, Memcached Time - Graphing : rrdtool, Adobe Flash tool like FusionCharts, Matplotlib with Pandas - Scripting : Python, JavaScript, Unix Shell Apple -
Jeffrey Zhang currently works in the
Apple -
Jeffrey Zhang specializes in
- Data Science / ML algorithm approaches to the Capacity/Performance engineering. - Over 15 years professional capacity planning experience, massively scaling up the internet sites like search engine of amazon.com, eBay.com, salesforce.com and Apple AppStore, etc. Expertise in scaling the infra by maximizing the hardware performance at low cost in large DCs. - Hands-on and over 15 years Performance Engineering experience to optimize the E-commerce sites, on premise and AWS Cloud, with the practical approach of Comparison, Correlation and Visualization. - Over 15+ years database architecture, design, administration, availability and data modeling experience at paypal.com, ebay.com, saleforce.com, walmart.com, rearden commerce, etc. Specialties: - Linux and TCP/IP network - Amazon EMR, EC2, S3 - System tuning with linux perf, strace, etc. TCPDumpAnalyzer developed. - Oracle Database Internal, V, Waits, Latch, Ash, AWR etc - SQL tuning, trace, tkprof, explain plan - JVM heap, Full/Young GC, Memcached Time - Graphing : rrdtool, Adobe Flash tool like FusionCharts, Matplotlib with Pandas - Scripting : Python, JavaScript, Unix Shell -
Jeffrey Zhang speaks the following languages:
No languages available. -
Jeffrey Zhang has prior experience in the following industries:
Saleforceiq , Apigee , Walmart Com , A9 Com , Salesforce Com , Rearden Commerce , Yahoo Com , Ebay Com , Paypal , Netcom , Agf -
Jeffrey Zhang has the following professional experience:
Apple , Saleforceiq , Apigee , Walmart Com , A9 Com , Salesforce Com , Rearden Commerce , Yahoo Com , Ebay Com , Paypal , Netcom , Agf . -
You can view Jeffrey Zhang’s
LinkedIn profile at LinkedIn URL. -
Jeffrey Zhang’s work email addresses are
[email protected] . -
Jeffrey Zhang works at
Apple
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