List of documents for KOTETU

Configurations

The performance of Kotetu is depend on your configuration. This page shows tips and memo for your configuration.

• Disk: Kotetu eliminate most of file operation overhead with some techniques. (1.2 and later, 1.5 and later)
• OS: (not available) --- We use Linux 2.2.x and 2.4.x
• Network: (not available) --- We use FastEthernet (100Mbps duplex)
• Threads/Processes: (not availabe)

Versions

The version and release of kotetu is controlled by package name (e.g., 'kotetu-work.200105111445.tar.gz'). Please tell me package name you use when you contact us.

The version number is changed in large modification.

• nonumbers - obsolted, early version.
  Very fast but very low hit-ratio because it is implemented using memory caching. It is not match multi users and long term operations.
• 1.0 - obsolted, first release.
• 1.1 - obsolted, disk access tuned.
• 1.2 - current, file packing.
• 1.3 - tryal, some swapper technique. Don't use.
• 1.4 - next trial
• 1.5 - fs balancement

During several years, prototype is called 'FALCON'.

Features

• Reporting by direct HTTP access
• Reporting by log file

Others

• Presentation material for IEEE SMC '01 (2001/Oct/07) : PS (PDF is available. But my PDF enviroment is poor. It may disappoints you)