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Does PS-lite provide node failure tolerance for server nodes ? #68

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DanishKhan14 opened this issue Dec 14, 2016 · 1 comment
Open

Does PS-lite provide node failure tolerance for server nodes ? #68

DanishKhan14 opened this issue Dec 14, 2016 · 1 comment

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@DanishKhan14
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I tried playing with parameter_server linear example and killing a server process/node hangs the running process. Shouldn't the replicated node take over for the killed server as described in the paper ?

Any help in this regard will be highly appreciated.

Thanks,
Danish
@formath
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formath commented Jan 26, 2017

If you launched job via yarn, one recovery node will be added but the parameter has been lost because their exist no backup.

eric-haibin-lin pushed a commit to eric-haibin-lin/ps-lite that referenced this issue Mar 28, 2021
@brminich
UCX: Several fixes (dmlc#68)
fb02b53 
- Fix for short protol (use correct dt for send)
 - Do not rely on val_len in receive flow
 - Remove rx lock for performance reasons (it is not really needed,
   because TAG receive functions are always called in the polling thread
   context)
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@formath @DanishKhan14