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281 Commits (8a2850b5e1bfc6114207ebc246cb9f287ad808c2)

Author SHA1 Message Date
Fabian Reinartz ccf51b132e Move stats package to pkg/stats 2015-06-01 21:12:31 +02:00
Fabian Reinartz 3c8fbf1e15 Move test package to pkg/testutil 2015-06-01 21:12:31 +02:00
Brian Brazil f34de493d5 Add increase() function, to replace delta(..., 1). 
This calculates how much a counter increases over
a given period of time, which is the area under the curve
of it's rate.

increase(x[5m]) is equivilent to rate(x[5m]) * 300.
 2015-05-26 22:49:21 +01:00
Julius Volz d44a89c6e8 Implement changes() function. 
changes() takes a range vector and returns the number of times a value
has changed in the given time window for each time series as an instant
vector.
 2015-05-26 19:06:22 +02:00
Julius Volz 6f33ed9e59 Add resets() function to count counter resets. 
resets() returns for every range vector element how many counter
resets there have been in the specified range.
 2015-05-26 17:56:52 +02:00
Fabian Reinartz b7eb105ffa Remove test flags in help output 2015-05-23 12:23:33 +02:00
beorn7 3b9c421a69 Weed out all the [Gg]et* method names. 
The only exception is getNumChunksToPersist to avoid naming the struct
member numChunksToPersist in a weird way.
 2015-05-20 19:13:06 +02:00
Fabian Reinartz ac4d63b833 Merge pull request #689 from prometheus/fabxc/qltest 
Add basic testing language, migrate tests
 2015-05-18 19:22:48 +02:00
Fabian Reinartz 0d3012a605 Migrate matrix tests, remove old test files. 2015-05-18 17:50:12 +02:00
Fabian Reinartz 71ef7ab405 Migrate remaining vector evaluation tests to new testing language. 2015-05-18 17:47:47 +02:00
Fabian Reinartz 3c22eded97 Migrate literal tests to testing language. 2015-05-18 17:47:47 +02:00
Fabian Reinartz eba07a7d3d Migrate histogram tests to test language. 2015-05-18 17:47:47 +02:00
Fabian Reinartz 03094eff04 Migrate parsing error tests. 
The promql_test checks failure of various bad syntaxed queries.
Those are moved into the parser tests as the new testing language
only deals with valid queries.
 2015-05-18 17:47:47 +02:00
Fabian Reinartz 6321964738 Add parsing and execution of new test format. 
This commit adds a new test structure that parses and executes
the new testing language.
 2015-05-18 17:47:47 +02:00
Fabian Reinartz a236c01457 Add time series description parsing. 
This commit adds parsing of time series description to the exisiting
query language parser. Time series descriptions are defined by a
metric followed by a sequence of values.
 2015-05-18 17:29:32 +02:00
Fabian Reinartz d122749b39 Enhance lexer testing output 2015-05-18 17:19:17 +02:00
Fabian Reinartz ce487f763e Simplify vector binary evaluation logic 2015-05-17 00:02:34 +02:00
Fabian Reinartz 8a109e061b Extract OR operation into own eval method. 2015-05-16 14:00:11 +02:00
Fabian Reinartz 2c3e9e2e87 Extract AND operation into own eval method. 2015-05-16 13:33:03 +02:00
Fabian Reinartz 4234a45d2e Merge pull request #693 from prometheus/fabxc/preload_timeout 
Check context before each preloading.
 2015-05-12 12:25:22 +02:00
Fabian Reinartz 8ea94ebb58 Check context before each preloading. 2015-05-12 12:03:30 +02:00
Fabian Reinartz 969c231191 Make parser more strict about identifiers, extract number parsing 2015-05-11 11:45:23 +02:00
Fabian Reinartz 8707c54508 Fix single quote parsing, add tests 2015-05-08 16:43:02 +02:00
Fabian Reinartz 9ab1f6c690 Limit maximum number of concurrent queries. 
A high number of concurrent queries can slow each other down
so that none of them is reasonbly responsive. This commit limits
the number of queries being concurrently executed.
 2015-05-06 11:34:17 +02:00
Fabian Reinartz d59d1cb2c1 Fix Error() methods. 2015-05-01 17:58:58 +02:00
Fabian Reinartz 6649306e63 Merge pull request #660 from prometheus/fabxc/pql/parse-errs 
Fix and improve parsing error output.
 2015-04-30 13:31:13 +02:00
Fabian Reinartz 279831cdf1 Fix and improve parsing error output. 2015-04-30 12:19:39 +02:00
Fabian Reinartz fe935179cd Stop routing rule statements through the engine. 2015-04-29 18:01:43 +02:00
Fabian Reinartz 25cdff3527 Remove `name` arg from `Parse*` functions, enhance parsing errors. 2015-04-29 16:38:41 +02:00
Fabian Reinartz 5602328c7c Refactor query evaluation. 
This copies the evaluation logic from the current rules/ package.
The new engine handles the execution process from query string to final result.
It provides query timeout and cancellation and general flexibility for
future changes.

functions.go: Add evaluation implementation. Slight changes to in/out data but
	not to the processing logic.
quantile.go: No changes.
analyzer.go: No changes.
engine.go: Actually new part. Mainly consists of evaluation methods
	which were not changed.
setup_test.go: Copy of rules/helpers_test.go to setup test storage.
promql_test.go: Copy of rules/rules_test.go.
 2015-04-28 14:19:05 +02:00
Fabian Reinartz 32b7595c47 Create promql package with lexer/parser. 
This commit creates a (so far unused) package. It contains the a custom
lexer/parser for the query language.

ast.go: New AST that interacts well with the parser.
lex.go: Custom lexer (new).
lex_test.go: Lexer tests (new).
parse.go: Custom parser (new).
parse_test.go: Parser tests (new).
functions.go: Changed function type, dummies for parser testing (barely changed/dummies).
printer.go: Adapted from rules/ and adjusted to new AST (mostly unchanged, few additions).
 2015-04-23 16:04:50 +02:00