Hi!
I'm new to the list, so, hey to everyone 
What I would like to do, is {mis,ab}use Kibana's histogram panel in a
way, that it wouldn't display timestamps on the X axis.
I have measurements of stuff, let's say algorithm runtimes. I have four
types under an index:
_index : "sort_timings"
_type : "n^2"
_type : "quicksort"
_type : "mergesort"
_type : "fillings"
This is basically it. I do fifty measurements of each type, and fed
it to Elasticsearch, so that I got 50 x 4 docs.
The mappings became this:
{ "sort_timings" : {
"n^2" : {
"properties" : {
"items" : { "type" : "long" },
"test" : { "type" : "long" },
"took" : { "type" : "double" },
"type" : { "type" : "string" } }
},
"quicksort" : { [...] /the same/ },
"filling" : { [...] /the same },
"mergesort" : { [...] /the same } } }
Sample input for bulk index:
{ "index" : { "_index" : "sort_timings", "_type" : "filling", "_id" : 1 } }
{"test":1,"took":0.0948905944824219,"type":"char","items":100}
{ "index" : { "_index" : "sort_timings", "_type" : "n^2", "_id" : 1 } }
{"items":100,"took":7.83896446228027,"test":1,"type":"char"}
{ "index" : { "_index" : "sort_timings", "_type" : "mergesort", "_id" : 1 } }
{"type":"char","test":1,"took":0.0770092010498047,"items":100}
{ "index" : { "_index" : "sort_timings", "_type" : "quicksort", "_id" : 1 } }
{"items":100,"type":"char","took":0.0829696655273438,"test":1}
{ "index" : { "_index" : "sort_timings", "_type" : "quicksort", "_id" : 2 } }
{"items":100,"type":"char","test":2,"took":0.0720024108886719}
{ "index" : { "_index" : "sort_timings", "_type" : "mergesort", "_id" : 2 } }
{"items":100,"type":"char","took":0.0770092010498047,"test":2}
{ "index" : { "_index" : "sort_timings", "_type" : "n^2", "_id" : 2 } }
{"items":100,"test":2,"took":7.31897354125977,"type":"char"}
{ "index" : { "_index" : "sort_timings", "_type" : "filling", "_id" : 2 } }
{"type":"char","took":0.0760555267333984,"test":2,"items":100}
I setup the histogram panel in "total" mode, in a way that I put the
"test" field in place of the Time Field, and the "took" field in place
of the Value Field (as in, it "took" that much of milliseconds to
complete that particular "test"). But the histogram panel won't play
ball with me; it just places what looks like to me month/year (03/70,
05/70 etc...) numbers on the X axis (derived from the "test" field's
values, being treated as Unix timestamps, I presume), and only one value
gets displayed in the histogram, and its color spans across its whole
length.
OTOH, on the (auto-generated) pie chart I can nicely see the four equal
slices of pies, corresponding to the four separate types, each
distinguished with a separate color. Something that I would like to
achieve in the histogram panel also: to represent each type of
measurement with a different color, placing the milliseconds on the Y
axis linked with the test number on the X axis.
(warning, awesome ascii art follows)
^
2000|
| o o
T ...|o o o o o ... ... ... o: merge
i ...|
m | x x x: quick
e 200|x x x x ... ... ... x
(ms) | q q: n^2
100|q q ... ... ...
| q q q q
-+----------------------------------->
Test: 1 2 3 4 5 6 ... ... ... 50
Is this kind of a shenanigan possible?
Thanks in advance for any pointers and clue bats,
Daniel
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or is this too complicated, and I should break it down to