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cache output of pbsnodes #466

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andre-merzky opened this issue Sep 21, 2015 · 7 comments
Open

cache output of pbsnodes #466

andre-merzky opened this issue Sep 21, 2015 · 7 comments

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@andre-merzky
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On Archer, for example, pbsnodes -a takes almost a minute. We do that over and over again. Assuming that PBS configuration is kinda static during the lifetime of an application, this should be cached on adaptor level (per job service URL). That is probably true for other information as well (paths to qsub etc) which all add quite a number of roundtrips for nothing, but pbsnodes is the one which takes most time.

@marksantcroos
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This has been discussed before and might be an open ticket also.

@andre-merzky
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Yeah, has been discussed, but I couldn't find a ticket. Let me look again.

@andre-merzky
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no previous ticket found, so I'll leave this open...

@ibethune ibethune added this to the Backburner milestone Jan 30, 2017
@vivek-bala
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I'm not sure if this effects any other machine, but if this is confined to Archer I would suggest closing it till we get active users on Archer. @andre-merzky can you confirm we don't have users on Archer right now?

@andre-merzky
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Yeah, that affects performance on all batch adaptors. Its 'just' an optimization though...

@vivek-bala
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I don't have the numbers, so can't judge the severity of the performance delay. Do you want to keep the ticket open since this affects all adapters?

@andre-merzky
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Yeah. I set the priority to low.

@andre-merzky andre-merzky modified the milestones: Backburner, cfg Feb 3, 2020
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