[#SOSFTP-15] Parameter to specify maximum buffer size for reading/writing files - SOS JIRA

Details

Type: Improvement
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: 1.3.10.1090
Fix Version/s: 1.3.10.1090
Component/s: SOSFTP-Client

Description:

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To small buffers can result in long transfer times.
Add a new parameter buffer_size (default: 32768).

Trilead has built-in limits:
Javadoc comment of read: "Read bytes from a file. No more than 32768 bytes may be read at once."
Javadoc comment of write: "Write bytes to a file. If len > 32768, then the write operation will be split into multiple writes."

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To small buffers can result in long transfer times. Add a new parameter buffer_size (default: 32768). Trilead has built-in limits: Javadoc comment of read: "Read bytes from a file. No more than 32768 bytes may be read at once." Javadoc comment of write: "Write bytes to a file. If len > 32768, then the write operation will be split into multiple writes."

Environment:

all, sftp

Sub-Tasks

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Open

Test Transfer of 2GB File with new default buffer size

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Klaus-Dieter Büttner added a comment - 20 December 2010 15:18

implemented in com.sos.virtual ... SOSFtpOptions.java

public SOSOptionInteger BufferSize = new SOSOptionInteger(this, conClassName + ".buffer_Size", // HashMap-Key
"This parameter specifies the interval in seconds", // Titel
"64000", // InitValue
"4096", // DefaultValue
false // isMandatory
);

can be specified as "buffer_size" or "BufferSize".

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Klaus-Dieter Büttner added a comment - 20 December 2010 15:18 implemented in com.sos.virtual ... SOSFtpOptions.java public SOSOptionInteger BufferSize = new SOSOptionInteger(this, conClassName + ".buffer_Size", // HashMap-Key "This parameter specifies the interval in seconds", // Titel "64000", // InitValue "4096", // DefaultValue false // isMandatory ); can be specified as "buffer_size" or "BufferSize".

People

Assignee:

Klaus-Dieter Büttner

Reporter:

Andreas Liebert
Votes:

0

Watchers:

0

Dates

Due:

30/Jul/10

Created:

04 May 2010 10:31

Updated:

20 December 2010 15:18

Resolved:

20 December 2010 15:18

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Include sub-tasks

SOSDataExchange (SOSFTP)

Parameter to specify maximum buffer size for reading/writing files