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prometheus/promql
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Tobias Guggenmos 6534ce843f PromQL: Use a sync.Pool for the generated parser structure (#6591) 
* PromQL: Use a sync.Pool for the generated parser structure

The generated PromQL parser allocates a struct about 4kb in size on every run.

This puts a high load on the garbage collector.

To reduce that load, a sync.Pool is used to recycle these structures.

On small queries this makes parsing 2-3 times faster.

Signed-off-by: Tobias Guggenmos <tguggenm@redhat.com>
2020-01-09 17:36:13 +00:00
..
fuzz-data textparse: Add fuzzing and fix bug caught 2017-07-07 11:12:17 +02:00
testdata PromQL: Fix unary operator precedence (#6579) 2020-01-08 14:07:10 +00:00
ast.go PromQL: Reduce Code duplication in AST traversion (#6362) 2019-11-25 11:41:59 +00:00
bench_test.go add absent_over_time (#6490) 2020-01-03 15:26:12 +00:00
engine.go Add query log (#6520) 2020-01-08 13:28:43 +00:00
engine_test.go Add query log (#6520) 2020-01-08 13:28:43 +00:00
functions.go Cleanup PromQL functions (#6551) 2020-01-06 10:33:36 +00:00
functions_test.go Refactor testutil.NewStorage into a new package 2019-08-08 19:43:04 -06:00
fuzz.go fix fuzz targets (#5851) 2019-08-12 20:47:57 +02:00
generated_parser.y PromQL: Fix unary operator precedence (#6579) 2020-01-08 14:07:10 +00:00
generated_parser.y.go PromQL: Fix unary operator precedence (#6579) 2020-01-08 14:07:10 +00:00
lex.go Fix typo in comment for func Lex (#6588) 2020-01-09 11:27:26 +00:00
lex_test.go PromQL: Avoid lexer item copies and allocations (#6584) 2020-01-09 11:26:58 +00:00
parse.go PromQL: Use a sync.Pool for the generated parser structure (#6591) 2020-01-09 17:36:13 +00:00
parse_test.go PromQL: Avoid lexer item copies and allocations (#6584) 2020-01-09 11:26:58 +00:00
printer.go fix subquery with offset conversion to string (#6373) 2019-11-26 06:45:51 +00:00
printer_test.go fix subquery with offset conversion to string (#6373) 2019-11-26 06:45:51 +00:00
promql_test.go promql: Move tests to testutil (#6103) 2019-10-09 18:06:53 -06:00
quantile.go func name ref correct "qauntile" -> "quantile" (#5834) 2019-08-06 06:11:16 +01:00
query_logger.go Add query log (#6520) 2020-01-08 13:28:43 +00:00
query_logger_test.go Merge the 2.13 release branch (#6169) 2019-10-18 02:21:58 +03:00
test.go Third correction (#6012) 2019-09-20 10:48:56 +01:00
test_test.go Fix some spelling issues (#5361) 2019-03-14 14:38:54 +00:00
value.go promql: fix typo in value.go (#6491) 2019-12-19 22:30:32 +00:00