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root / htools / Ganeti / Query @ 1ba01ff7

Name Size
Common.hs 5.6 kB
Filter.hs 8.7 kB
Group.hs 3.4 kB
Job.hs 4.9 kB
Language.hs 15.2 kB
Node.hs 9.1 kB
Query.hs 11.4 kB
Server.hs 9.6 kB
Types.hs 2.5 kB

Latest revisions

# Date Author Comment
1ba01ff7 12/19/2012 03:45 pm Iustin Pop

Move a node-specific function to Query.Node

This shouldn't live in the main Query module, since it's too node

Signed-off-by: Iustin Pop <>
Reviewed-by: Helga Velroyen <>

a7e484c4 12/19/2012 03:37 pm Iustin Pop

Add support for job queries in hconfd

This adds support for job queries, including (basic) unit-tests.

I've tested this for memory and cpu usage as follows:

- 3600 jobs (live queue):
- via masterd, default: ~1.1s (masterd: ~60MB ram)
- via confd, default: ~1.1s (hconfd: ~25MB ram)...

037762a9 12/19/2012 03:37 pm Iustin Pop

Change makeSimpleFilter accept NumericValues as well

This is required for QueryJobs implementation; we change
makeSimpleFilter to support both string and integers as names.

Signed-off-by: Iustin Pop <>
Reviewed-by: Helga Velroyen <>

f94a9680 12/19/2012 03:37 pm Iustin Pop

Implement support for QFF_SPLIT_TIMESTAMP

I am very very unhappy with this patch. We have to do this, in order
to be compatible with the Python code and behaviour, but there's lots
of duplication; both the Python and the Haskell code will need to be
cleaned up and simplified (we don't need QFF_* at all)....

13b17073 12/17/2012 01:38 pm Iustin Pop

Add NFData instances for query results

This allows us to ensure that query results are strict as we build
them, instead of being lazy and only evaluated when the reply is sent
over the Luxi interface.

Signed-off-by: Iustin Pop <>
Reviewed-by: Helga Velroyen <>

a1d137f6 12/17/2012 01:29 pm Iustin Pop

Simplify a bit the FilterRegex JSON instance

Signed-off-by: Iustin Pop <>
Reviewed-by: Helga Velroyen <>

ad1c1e41 12/17/2012 01:29 pm Iustin Pop

Implement opcode summary support

This implements in the Haskell codebase the opcode summary. As opposed
to Python, we always use custom code for formatting, since we don't
want to use dynamic attribute lookup.

To test this properly, we need to change MetaOpCode to record-syntax,...

f74b88fa 12/13/2012 07:47 pm Iustin Pop

Log only partial response in Luxi when in debug mode

Currently, we log the entire response (at debug level) in the Luxi
replies. This is not a good idea; the logging library operates on
strings, and as such it will use huge amounts of memory: without debug...

228ef0f2 11/30/2012 04:17 pm Iustin Pop

Make Query operators enforce strictness

Currently, the query operators (binop, etc.) create thunks, instead of
forcing the evaluation of the simple boolean results. This results in
higher than needed memory use.

Signed-off-by: Iustin Pop <>...

d277b075 11/30/2012 04:17 pm Iustin Pop

Optimise recursive Query filters

Currently, the And and Or filters use very nice code, e.g. in case of

any id <$> mapM evaluateFilter flts

However, looking at the memory profiles shows that application of
any/id to monadic values via '<$>' does not work nicely, losing the...

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