go-cache | Basic caching system for Golang with background stale cache | Caching library

 by   fresh8 Go Version: v2.0.0 License: MIT

kandi X-RAY | go-cache Summary

kandi X-RAY | go-cache Summary

go-cache is a Go library typically used in Server, Caching applications. go-cache has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

go-cache is separated into:. As go-cache is a stale cache, once an item has expired, it is not removed from the cache automatically. Instead, it will continue to return the value currently stored, and recreate the value concurrently. Once processed, it will replace the existing value, which will be returned by subsequent cache get requests. An additional time value, cleanupTTL, is passed to the cacher, which is used to remove keys which have expired but not regenerated by the given time. This stops the cache from becoming full of very old values that may not be used or, when they are requested, return very stale data.
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            kandi-support Support

              go-cache has a low active ecosystem.
              It has 17 star(s) with 2 fork(s). There are 1 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 3 open issues and 2 have been closed. On average issues are closed in 4 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of go-cache is v2.0.0

            kandi-Quality Quality

              go-cache has no bugs reported.

            kandi-Security Security

              go-cache has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              go-cache is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              go-cache releases are available to install and integrate.
              Installation instructions are not available. Examples and code snippets are available.

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            go-cache Key Features

            No Key Features are available at this moment for go-cache.

            go-cache Examples and Code Snippets

            No Code Snippets are available at this moment for go-cache.

            Community Discussions

            QUESTION

            Function won't work with if else statements
            Asked 2021-Jan-15 at 12:02

            I'm trying to build a basic cache system with Go as a tutorial.

            For some reason when I run this, the if else statement leads to a error.

            ...

            ANSWER

            Answered 2021-Jan-15 at 12:02

            go conditional statements follows the following syntax

            Source https://stackoverflow.com/questions/65732111

            QUESTION

            Error trying to use an empty interface parameter for returning data
            Asked 2021-Jan-02 at 10:08

            I'm trying to write a wrap around a function that uses an interface{} parameter to return data, by adding cache.

            My problem is that once I have a valid interface{} I don't know how to assign it to be returned in the parameter. The wrapped call is (github.Client) .Do in github API client and the problem hit me when I tried to add caching with go-cache

            This somewhat my function

            ...

            ANSWER

            Answered 2021-Jan-01 at 04:54

            With certain assumptions like you are storing json data in your cache below is how I will try. Errors not handled.

            Source https://stackoverflow.com/questions/65520910

            QUESTION

            Removing cached Query from Redis using django-cacheops
            Asked 2019-Dec-26 at 13:12

            I am using django-cacheops to cache a Query. And updating some in the same instance with some different API call now I want to remove this cached Query from Redis. This is API-1

            ...

            ANSWER

            Answered 2019-Dec-26 at 13:12

            The official documentation of django-cacheops states that it listens on model signals and invalidates "appropriate queries". But it won't invalidate queries that doesn't seem to be affected by the change. It looks like a bug to me as the queryset for API-1 should be affected by the change in API-2. But meanwhile you can also try invalidating the cache forcefully by using

            Source https://stackoverflow.com/questions/59488549

            QUESTION

            Docker & Python, Speed up when your requirements.pip list is huge?
            Asked 2019-Dec-01 at 18:41

            Say you have a rather large requirements.pip

            when you modify a requirements.pip, it takes ages to build Docker image because it has to download and install all packages in requirements.pip

            Is there a way to speed up the docker image building process when you modify a length requirements.pip ?

            MY docker

            ...

            ANSWER

            Answered 2019-Oct-31 at 15:05

            You can divide by yourself in different files the requirements that are less likely to change and those that are most likely to change.

            Then you have two different RUN stages like

            Source https://stackoverflow.com/questions/58645433

            QUESTION

            is there a Generic way to assert type?
            Asked 2019-Oct-29 at 17:01

            I have found myself writing the same function X number of times to get different types of Items out of my go-cache. The duplicate functions are like so:

            ...

            ANSWER

            Answered 2019-Oct-29 at 16:41

            Go does not have generics, so what you want is not possible. If this really bothers you, you could use reflection to pass in the reflect.Type of the values you want, use reflection to create and assemble that result slice, but it'll be slower than your individual functions.

            You could also use a type switch to reduce the code repetition, but you cannot have "dynamic" return type. So the caller would still have to use a type assertion on the return value.

            Source https://stackoverflow.com/questions/58611805

            QUESTION

            Cargo registry directory
            Asked 2019-May-06 at 10:50

            How do I specify another directory where cargo keeps the unpacked sources, e.g. on Windows this is %userprofile%/.cargo/registry/src?

            I working that is going to be a collection of crates like:

            ...

            ANSWER

            Answered 2019-May-06 at 10:50

            Looks like this is possible. I think it called "vendoring" and repositories like Fuchsia and Mozilla has source copy of third-party crates in their repositories. This is what I have found:

            • Cargo supports "Source replacement" thing configured in .cargo/config, which can be in a project relative dir:

            With this configuration Cargo attempts to look up all crates in the directory "vendor" rather than querying the online registry at crates.io. Using source replacement Cargo can express:

            Vendoring - custom sources can be defined which represent crates on the local filesystem. These sources are subsets of the source that they're replacing and can be checked into packages if necessary.

            Mirroring - sources can be replaced with an equivalent version which acts as a cache for crates.io itself.

            Simply run cargo vendor inside of any Cargo project:

            Source https://stackoverflow.com/questions/55934605

            QUESTION

            ValueError: not enough values to unpack (expected 2, got 1) when updating environ
            Asked 2018-Aug-29 at 03:09

            I am using environment key for better settings configuration. Initially, i got the following error

            ...

            ANSWER

            Answered 2018-Aug-29 at 03:09

            Apparently not every line in .envs/.local/.postgres has an = character, so split('=', 1) results in only one item in the tuple it outputs for the line, while dict.update expects two items for every tuple in the iterator output.

            You should make sure that there is an = character in the line in the generator expression:

            Source https://stackoverflow.com/questions/52052192

            QUESTION

            Golang Cache HTTP GET Results In Memory
            Asked 2018-Aug-02 at 22:33

            I am working on a CLI in Go that scrapes a webpage to collect the href attributes of all the links on the page into a slice. I want to store this slice in memory for some time so that the scraper is not being called on every execution of the CLI command. Ideally, the scraper would only be called after the cache expires or the user provides some sort of --update flag.

            I came across the library go-cache and other similar libraries, but from what I could tell they only work for something that is continuously running, like a server.

            I thought about writing the links to a file, but then how would I expire the results after a specific duration? Would it make sense to create a small server in the background that shuts down after a while in order to use a library like go-cache? Any help is appreciated.

            ...

            ANSWER

            Answered 2018-Aug-02 at 21:44

            Use a database and store as much detail as you can (fetched_at, host, path, title, meta_desc, anchors etc). You'll be able to query over the data later and it will be useful to have it in a structured format. If you don't want to deal with a db dependency you could embed something like boltdb (pure go) or sqlite (cgo).

            Source https://stackoverflow.com/questions/51662272

            QUESTION

            Go race detector error
            Asked 2018-May-08 at 04:44

            Here's my code for a concurrent cache:

            ...

            ANSWER

            Answered 2018-May-08 at 04:44

            maps require synchronization, in particular you can not read it while writing to it, regardless of if it's the same or distinct keys, so you need your lock around the meno map.

            Source https://stackoverflow.com/questions/50225601

            QUESTION

            Connecting django signal handlers in tests
            Asked 2017-Sep-27 at 14:25

            Using django-cacheops, I want to test that my views are getting cached as I intend them to be. In my test case I'm connecting cacheops cache_read signal to a handler that should increment a value in the cache for hits or misses. However, the signal is never fired. Does anyone know the correct way to connect a django signal handler in a testcase, purely for use in that testcase?

            here's what I have so far

            ...

            ANSWER

            Answered 2017-Jul-04 at 09:33

            I can't see why this is happening but I will try to make a useful answer anyway.

            First, if you want to test whether cache works you shouldn't rely on its own side effects to check that, and signals are side effects of its primary function - preventing db calls. Try testing that:

            Source https://stackoverflow.com/questions/44821010

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install go-cache

            You can download it from GitHub.

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            https://github.com/fresh8/go-cache.git

          • CLI

            gh repo clone fresh8/go-cache

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            git@github.com:fresh8/go-cache.git

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