Laurence Rowe Slides An Introduction To The Zodb

•

2 likes•878 views

The Zope Object Database lies underneath every Plone site. This talk gives an introduction to how it works and offers some tips for debugging at the ZODB level

Business Technology

An introduction to the
ZODB
Laurence Rowe, Plone Conference 2007, Naples.
laurence@lrowe.co.uk

In comparison to...

• Relational databases
• Hierarchical databases (LDAP, ﬁlesystems)
• Object-Relational Mappers (ORMs)

Transactions

• Concurrency Control
• Atomicity
• Conﬂict Errors

Scalability

• The Global Interpreter Lock
• ZEO
• Partitioning

ZEO
Zope

Storage 1
Zope

Pound
Apache ZEO
(load balancer)
Zope
Storage 2

Zope

Storage types

• FileStorage
• DirectoryStorage
• PGStorage

Other features

• Savepoints
• Versions (deprecated)
• Undo
• BLOBs
• Packing

Best Practice

• Don’t read on write
• Keep your code on the ﬁlesystem
• BTrees
• Simple content types

Documentation

• http://wiki.zope.org/ZODB/Documentation

Recently uploaded

MEANING AND CHARACTERISTICS OF TAXATION.abejeblooda

ابو ظبي اعلان | - سايتوتك في الامارات حبوب الاجهاض للبيع ف حبوب الإجهاض ... ا...brennadilys816

Hyundai capital 2024 1q Earnings releaseirhcs

What is paper chromatography, principal, procedure,types, diagram, advantages...srcw2322l101

HAL Financial Performance Analysis and Future ProspectsRajesh Gupta

Elevate Your Online Presence with SEO ServicesHaseebBashir5

Toyota Kata Coaching for Agile Teams & TransformationsStefan Wolpers

Unlocking Growth The Power of Outsourcing for CPA FirmsYourLegal Accounting

wagamamaLab presentation @MIT 20240509 IRODORIIRODORI inc.

Presentation4 (2) survey responses clearly labelledCaitlinCummins3

Daftar Rumpun, Pohon, dan Cabang Ilmu (2024).pdfAgusHalim9

Blinkit: Revolutionizing the On-Demand Grocery Delivery Service.pptxSaksham Gupta

A BUSINESS PROPOSAL FOR SLAUGHTER HOUSE WASTE MANAGEMENT IN MYSORE MUNICIPAL ...prakheeshc

$Obat Aborsi Pasuruan 0851\7696\3835 Jual Obat Cytotec Di Pasuruan$ $Obat Aborsi Pasuruan 0851\7696\3835 Jual Obat Cytotec Di Pasuruan$

Obat Aborsi Pasuruan 0851\7696\3835 Jual Obat Cytotec Di PasuruanObat Aborsi Jakarta Wa 085176963835 Apotek Jual Obat Cytotec Di Jakarta

Progress Report - UKG Analyst Summit 2024 - A lot to do - Good Progress1-1.pdfHolger Mueller

PEMATANG SIANTAR 0851/8063/4797 JUAL OBAT ABORSI CYTOTEC PEMATANG SIANTARdoktercalysta

Should Law Firms Outsource their BookkeepingYourLegal Accounting

WAM Corporate Presentation May 2024_w.pdfWestern Alaska Minerals Corp.

Goal Presentation_NEW EMPLOYEE_NETAPS FOUNDATION.pptxNetapsFoundationAdmi

NewBase 17 May 2024 Energy News issue - 1725 by Khaled Al Awadi_compresse...Khaled Al Awadi

Recently uploaded (20)

MEANING AND CHARACTERISTICS OF TAXATION.

ابو ظبي اعلان | - سايتوتك في الامارات حبوب الاجهاض للبيع ف حبوب الإجهاض ... ا...

Hyundai capital 2024 1q Earnings release

What is paper chromatography, principal, procedure,types, diagram, advantages...

HAL Financial Performance Analysis and Future Prospects

Elevate Your Online Presence with SEO Services

Toyota Kata Coaching for Agile Teams & Transformations

Unlocking Growth The Power of Outsourcing for CPA Firms

wagamamaLab presentation @MIT 20240509 IRODORI

Presentation4 (2) survey responses clearly labelled

Daftar Rumpun, Pohon, dan Cabang Ilmu (2024).pdf

Blinkit: Revolutionizing the On-Demand Grocery Delivery Service.pptx

A BUSINESS PROPOSAL FOR SLAUGHTER HOUSE WASTE MANAGEMENT IN MYSORE MUNICIPAL ...

$Obat Aborsi Pasuruan 0851\7696\3835 Jual Obat Cytotec Di Pasuruan$ $Obat Aborsi Pasuruan 0851\7696\3835 Jual Obat Cytotec Di Pasuruan$

Obat Aborsi Pasuruan 0851\7696\3835 Jual Obat Cytotec Di Pasuruan

Progress Report - UKG Analyst Summit 2024 - A lot to do - Good Progress1-1.pdf

PEMATANG SIANTAR 0851/8063/4797 JUAL OBAT ABORSI CYTOTEC PEMATANG SIANTAR

Should Law Firms Outsource their Bookkeeping

WAM Corporate Presentation May 2024_w.pdf

Goal Presentation_NEW EMPLOYEE_NETAPS FOUNDATION.pptx

NewBase 17 May 2024 Energy News issue - 1725 by Khaled Al Awadi_compresse...