[JIRA] [publish-over-cifs] (JENKINS-10674) Publish over CIFS performance is slow

Wed, 19 Feb 2014 02:19:33 -0800

Hello, I currently have the same problem with Publish over CIFS performance, too. All data packets are sent with 4096 size. This does not make too much of an issue during publishing within the same local network, however publishing to remote locations, where round-trip time is higher, comes down to less then 100kBps speeds. This becomes very time consuming for huge builds, which are being published to remote hosts. When I have done comparison of network traffic between Publish over CIFS and smbclient upload started by shell from the same source to the same destination, there was obvious difference. Number of total Write AndX procedure calls was 2560 for Publish over CIFS and 153 for smbclient. Here is an example of initial request with file transfer:

Publish over CIFS
Write AndX Request, FID: 0x400d, 4096 bytes at offset 0


smbclient


Write AndX Request, FID: 0x0006, 65534 bytes at offset 0





I've tried to update jcifs parameters, however it did not influence transfer speeds for me.



Thanks
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