TECHTIP:Modify rBuilder Network Interface to Prevent Hanging
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| TECHTIP | ||
| Topic: In rare instances, rBuilder may hang and become unresponsive | Applies to: rBuilder all versions | |
In rare instances, rBuilder will hang while building a package/trove (i.e. the job status page will get to "Updating Changesets (18%)..." and go no further).
The solution to resolve this issue is to lower the network interface Maximum Transmission Unit (MTU) size to 1472 bytes. This can be done immediately by logging into rBuilder as root and running the command ifconfig eth0 mtu 1472 (assuming that the network interface of interest is eth0). This setting can be made permanent by editing /etc/sysconfig/network-scripts/ifcfg-eth0 and adding the following line:
MTU=1472