task-executor | Task Executor in Golang | Job Scheduling library

 by   SDkie Go Version: Current License: No License

kandi X-RAY | task-executor Summary

kandi X-RAY | task-executor Summary

task-executor is a Go library typically used in Data Processing, Job Scheduling applications. task-executor has no bugs, it has no vulnerabilities and it has low support. You can download it from GitHub.

Task Executor in Golang
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            kandi-support Support

              task-executor has a low active ecosystem.
              It has 1 star(s) with 0 fork(s). There are 2 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              task-executor has no issues reported. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of task-executor is current.

            kandi-Quality Quality

              task-executor has 0 bugs and 0 code smells.

            kandi-Security Security

              task-executor has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              task-executor code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              task-executor does not have a standard license declared.
              Check the repository for any license declaration and review the terms closely.
              OutlinedDot
              Without a license, all rights are reserved, and you cannot use the library in your applications.

            kandi-Reuse Reuse

              task-executor releases are not available. You will need to build from source code and install.
              It has 403 lines of code, 18 functions and 9 files.
              It has medium code complexity. Code complexity directly impacts maintainability of the code.

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            task-executor Key Features

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            task-executor Examples and Code Snippets

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            Community Discussions

            QUESTION

            Spring Integration TCP - request/response switch request to the channels
            Asked 2021-Sep-28 at 13:09

            I am doing Spring Integration with Server and Client request/response demo. The request comes with a Byte array which is to be converted to Object. Then the request comes to the input channel, I need to check which class is to be send to the service activator. Then the service activator will send it to the reply channel.

            ...

            ANSWER

            Answered 2021-Sep-28 at 13:09

            QUESTION

            Number of parallel threads processing is capped to 10 with Spring Batch
            Asked 2021-Jul-07 at 10:37

            I have the following task executor which is used to run a 10s sleep time tasklet with partitions:

            ...

            ANSWER

            Answered 2021-Jul-07 at 10:37

            Indeed I do not reproduce with your code sample. Here is an example that reproduces the error: github.com/AlexandreChi/spring-batch-lab/tree/main/issues/…. The only difference with your code sample is the annotation SpringBootApplication instead of Configuration.

            So I conclude this is something related to the auto-configuration by boot.

            I think I am getting close, associating EnableAutoConfiguration and implementation 'com.h2database:h2:1.4.198' is generating the issue. It seems it creates an autowired datasource which has a limited number of simultaneous connections

            Indeed, in the logs I see:

            Source https://stackoverflow.com/questions/68267922

            QUESTION

            Transaction support with asyc channel( executor channel)
            Asked 2021-Apr-29 at 10:47

            I read data from a Q and pass to executor channel to process. No the transaction scope with main thread will not work. How can i can create a transaction from executor channel which has multiple direct channels downstream. Here is the config

            ...

            ANSWER

            Answered 2021-Apr-21 at 18:33

            The transaction is just tied to a thread boundaries, so you can't start a transaction sending a message to that executor channel and expect it to be expanded to the subscriber of that channel on the other side, which is going to be indeed a different thread.

            However if you point is slightly different (not clear from your question), and you really expect a transaction be be started with your chain when it consumes a message and dispatches it to one or more of those channels in the router, then it is possible via and nested configuration for the TransactionHandleMessageAdvice.

            See more info about transactions in docs: https://docs.spring.io/spring-integration/reference/html/transactions.html#transactions

            See also this my old answer: Keep transaction within Spring Integration flow

            Source https://stackoverflow.com/questions/67198240

            QUESTION

            Block main thread with multiple executor channel
            Asked 2021-Apr-13 at 17:06

            I have a multithreading project where I read a message from a queue and pass it to spring integration to process it. Each messages goes though diff channel end up storing in DB and sending to downstream Qs.

            ...

            ANSWER

            Answered 2021-Apr-13 at 17:06

            The threading doesn't matter; the main thread calls the barrier and whichever thread adds the 3rd message to the aggregator will release the group which can then be used to trigger the barrier.

            https://docs.spring.io/spring-integration/docs/current/reference/html/message-routing.html#barrier

            Source https://stackoverflow.com/questions/67079094

            QUESTION

            Spring integration with multiple executor channel not processing in parallel
            Asked 2021-Apr-13 at 13:29

            I have requirement where i need to pass message to multiple channels asyc. To make my flow asyc i am using all executor channel. But for some reason flow is still sequential. i can seen diff thread as i configured in task executor but in sequence. Here is the configuration I am using

            ...

            ANSWER

            Answered 2021-Apr-12 at 19:13

            You might need to call the async implementation bean as shown:

            Source https://stackoverflow.com/questions/67064184

            QUESTION

            How to configure outbound channel adapter with synchronization factory in spring boot
            Asked 2021-Jan-13 at 15:30

            What would be the equivalent of the following outbound channel adapter configuration in spring boot? Assuming the messageChannel, taskExecutor, and synchronizationFactory are defined.

            ...

            ANSWER

            Answered 2021-Jan-13 at 15:30

            QUESTION

            Monitor currently running process via spring batch process and notify if the throttle limit is reached
            Asked 2021-Jan-11 at 09:49

            I have a spring boot web application and I want to upload details from CSV files through a batch process. Files can be upload from any location and I want to restrict the process 3 jobs at a time. if already in process of 3 files, we have to give that information to UI as, "Throttle limit is being reached. Try after some time". How Could I achieve this? My current flow.xml is with master slave approach

            ...

            ANSWER

            Answered 2021-Jan-11 at 09:49

            The throttle-limit="3" that you've set on the step is for the threads that will run your step. For your use case, you should be looking for a way to configure the TaskExecutor that is used by the JobLauncher to limit the number of concurrent jobs.

            You can for example configure the JobLauncher with a ThreadPoolTaskExecutor on which you set the queueCapacity to 3. With this configuration, if you submit more than 3 jobs at a time, the 4th submitted job will fail and you can show the error in your UI.

            For the monitoring part, you can inspect the executor's queue size as described in Spring framework monitoring ThreadPoolTaskExecutor queue size

            Source https://stackoverflow.com/questions/65661412

            QUESTION

            How to add tasklet to run after each partition step completion in Spring Batch
            Asked 2020-Nov-16 at 12:30

            I am new to Spring batch and implementing a spring batch job where it has to pull huge data set from DB and write to file. Below is the sample job config which is working as expected for me.

            ...

            ANSWER

            Answered 2020-Nov-16 at 12:30

            You can change your worker step multiOperationStep to be a FlowStep of a chunk-oriented step followed by a simple tasklet step where you do the compression. In other words, the worker step is actually two steps combined in one FlowStep.

            Source https://stackoverflow.com/questions/64818543

            QUESTION

            Spring Integration MDC for Async Flow and Task Executors
            Asked 2020-Sep-25 at 15:05

            I have a flow that starts with a poller and hands off the message to several async flows downstream using task-executors to execute in parallel for a given dataset. A downstream aggregator completes the flow and notifies the poller that the flow is complete.

            I would like to track every execution of the poller by using MDC so that the logs can be mapped to a particular execution of the flow.

            I started by adding MDC to the poller thread (using Advice), however with this approach there could be a couple of issues:

            1. How do I stamp the MDC on the executor thread when the async hand off happens?
            2. Since executor uses a a thread pool, do I need to clear the MDC before the thread returns to the pool? Will there be any side effects?

            Another approach would be to add MDC to the Message header and set it manually on the new thread during the async handoff. How to do that? For example, if I turn on the debug logs, the MDC should be stamped right from the beginning of the new thread execution and not from the point where my logic starts in the service activator. How to set this on the task-executor thread (and probably also remove before returning to the pool) using XML configuration? Something like an MdcAwareThreadPoolExecutor seen here. Also, I would not want the MDC logic to be spread across all the async handoff endpoints, may be there is some generic way to configure it?

            Is there a better way to achieve this? Any known solutions?

            ...

            ANSWER

            Answered 2020-Sep-25 at 15:05

            I would like to track every execution of the poller by using MDC so that the logs can be mapped to a particular execution of the flow.

            It is fully sound as "you would like to track the message journey in your flow". As you noticed there is the way to set some message header. So, why just don't map your logs by this specific header?

            You can take a look into Message History pattern how to gather the whole path for the message, so then in logs you can track it back looking into message headers.

            See here: https://docs.spring.io/spring-integration/docs/5.3.2.RELEASE/reference/html/system-management.html#message-history

            If you really still insist on the MDC, then you definitely need to take a look into some MDCDelegatingExecutorDecorator. Some sample you can borrow from Spring Security and its DelegatingSecurityContextExecutor`: https://docs.spring.io/spring-security/site/docs/5.4.0/reference/html5/#concurrency

            Source https://stackoverflow.com/questions/64060058

            QUESTION

            Reply message received but the receiving thread has already received a reply
            Asked 2020-Sep-08 at 11:34

            I have a flow that uses a pub/sub channel based gateway with 2 subscribers to send message to 2 SQS queues. In between I have chain to do message transformation. An aggregator is used to summarize the report of every gateway invocation. Happy path works fine, but when my transformer throws error I get this message Reply message received but the receiving thread has already received a reply and the aggregator gets invoked but future.get in the Runner never returns. Sample Config and code to test is as follows:

            Config

            ...

            ANSWER

            Answered 2020-Sep-08 at 11:34

            With some logging and most importantly the understanding of error and reply channels set on Gateway messages from this post, I am able to solve the issue.

            What was the issue here?

            1. The errorChannel was not set on the messages coming into the chain.
            2. In case when both chains throw exceptions, the error messages coming to the aggregator did not have a reply channel set on them to return the aggregated message to the gateway's reply channel. The final config looks as below:

            Source https://stackoverflow.com/questions/63778203

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

            Vulnerabilities

            No vulnerabilities reported

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