From 00adf18c2470a69c255ea75990bbbae6e57eea89 Mon Sep 17 00:00:00 2001 From: kim <89579420+NyaaaWhatsUpDoc@users.noreply.github.com> Date: Thu, 3 Aug 2023 10:34:35 +0100 Subject: [feature] simpler cache size configuration (#2051) * add automatic cache max size generation based on ratios of a singular fixed memory target Signed-off-by: kim * remove now-unused cache max-size config variables Signed-off-by: kim * slight ratio tweak Signed-off-by: kim * remove unused visibility config var Signed-off-by: kim * add secret little ratio config trick Signed-off-by: kim * fixed a word Signed-off-by: kim * update cache library to remove use of TTL in result caches + slice cache Signed-off-by: kim * update other cache usages to use correct interface Signed-off-by: kim * update example config to explain the cache memory target Signed-off-by: kim * update env parsing test with new config values Signed-off-by: kim * do some ratio twiddling Signed-off-by: kim * add missing header * update envparsing with latest defaults Signed-off-by: kim * update size calculations to take into account result cache, simple cache and extra map overheads Signed-off-by: kim * tweak the ratios some more Signed-off-by: kim * more nan rampaging Signed-off-by: kim * fix envparsing script Signed-off-by: kim * update cache library, add sweep function to keep caches trim Signed-off-by: kim * sweep caches once a minute Signed-off-by: kim * add a regular job to sweep caches and keep under 80% utilisation Signed-off-by: kim * remove dead code Signed-off-by: kim * add new size library used to libraries section of readme Signed-off-by: kim * add better explanations for the mem-ratio numbers Signed-off-by: kim * update go-cache Signed-off-by: kim * library version bump Signed-off-by: kim * update cache.result{} size model estimation Signed-off-by: kim --------- Signed-off-by: kim --- vendor/github.com/DmitriyVTitov/size/README.md | 48 ++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 vendor/github.com/DmitriyVTitov/size/README.md (limited to 'vendor/github.com/DmitriyVTitov/size/README.md') diff --git a/vendor/github.com/DmitriyVTitov/size/README.md b/vendor/github.com/DmitriyVTitov/size/README.md new file mode 100644 index 000000000..215a749cc --- /dev/null +++ b/vendor/github.com/DmitriyVTitov/size/README.md @@ -0,0 +1,48 @@ +# size - calculates variable's memory consumption at runtime + +### Part of the [Transflow Project](http://transflow.ru/) + +Sometimes you may need a tool to measure the size of object in your Go program at runtime. This package makes an attempt to do so. Package based on `binary.Size()` from Go standard library. + +Features: +- supports non-fixed size variables and struct fields: `struct`, `int`, `slice`, `string`, `map`; +- supports complex types including structs with non-fixed size fields; +- supports all basic types (numbers, bool); +- supports `chan` and `interface`; +- supports pointers; +- implements infinite recursion detection (i.e. pointer inside struct field references to parent struct). + +### Usage example + +``` +package main + +import ( + "fmt" + + // Use latest tag. + "github.com/DmitriyVTitov/size" +) + +func main() { + a := struct { + a int + b string + c bool + d int32 + e []byte + f [3]int64 + }{ + a: 10, // 8 bytes + b: "Text", // 16 (string itself) + 4 = 20 bytes + c: true, // 1 byte + d: 25, // 4 bytes + e: []byte{'c', 'd', 'e'}, // 24 (slice itself) + 3 = 27 bytes + f: [3]int64{1, 2, 3}, // 3 * 8 = 24 bytes + } // 84 + 3 (padding) = 87 bytes + + fmt.Println(size.Of(a)) +} + +// Output: 87 +``` -- cgit v1.3