Announcing the Stacks Editor Beta release! 469). Obviously this is not related to the original issue (which seems to be a separate bug) but I thought sharing this here might help some people avoid misdiagnosing their issue. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. Transform characters of your choice into "Hello, world!". Experimental: false What would happen if qualified immunity is ended across the United States? How do I politely refuse/cut-off a person who needs me only when they want something? The only daemon log entry of note is this one, which appears on the worker node where the container whose logs are being fetched is located, upon interrupting the hanging docker service logs command: All our services have log rotation configured, with max-file: 10 and max-size: 10m. Connect and share knowledge within a single location that is structured and easy to search. It won't let you add the "Tag" option, which is exceptionally useful for filtering down your results. I can even reproduce it on Play With Docker stack: I tried this 2 times from scratch. I saw that, but I also saw the ticket for a future release that says "implement logging in swarm", and I'm still not sure how reliable the documentation is. the upcoming docker 1.13 has the change you mention above. Built: Thu May 28 22:15:20 2020 How much energy would it take to keep a floating city aloft? // durationFromTokens is a unit conversion function from the number of tokens to the duration. And if possible point to any documentation about using log drivers in Swarm? I think they currently should have the beta out. What we've done successfully is utilize GrayLog. I'm still experiencing hangs on 19.03.9 and 19.03.10, at what appear to be semi-arbitrary byte counts and log line counts: I say "semi-arbitrary" because there's clearly some commonality--always mid-thousands of lines, always mid-hundreds of KB of text. if you have a line that is 100 bytes in length then you will have to wait 100 seconds on WaitN. Docker Swarm mode does not include a native monitoring service for Docker services and containers. View all OReilly videos, Superstream events, and Meet the Expert sessions on your home TV. https://github.com/golang/time/blob/9d24e82272b4f38b78bc8cff74fa936d31ccd8ef/rate/rate.go#L363-L368. Well occasionally send you account related emails. Site design / logo 2022 Stack Exchange Inc; user contributions licensed under CC BY-SA. And repro steps are pretty solid. Docker includes several built-in logging drivers for containers, such as json-file, syslog, journald, gelf, fluentd, and awslogs. docker-init: It would be super cool to see similar behavior to docker-compose in that regard. Making statements based on opinion; back them up with references or personal experience. Additional information you deem important (e.g. Get full access to Docker Management Design Patterns: Swarm Mode on Amazon Web Services and 60K+ other titles, with free 10-day trial of O'Reilly. The text was updated successfully, but these errors were encountered: Anyone can tell me what logs to collect to investigate this issue? docker swarm how to find out why service can't start, Is there a way we can get docker service logs in older docker version 1.12.2, How to collect logs via fluentd in swarm mode. Have a question about this project? I can produce the hang when running "docker service logs" without any flags every time the amount of logs is large enough. OReilly members experience live online training, plus books, videos, and digital content from nearly 200 publishers. Probably has to do with the number of bytes? It falls back to sorting by highest score if no posts are trending. Unfortunately this seems to still be a problem, though the cause may be different than the rate limiter? runc: Tickets in question: Is there any way to get logs in Docker Swarm? Thanks for contributing an answer to Stack Overflow! You signed in with another tab or window. I have thought I had this problem a couple of times but it actually turned out that (in my estimation, at least) the log files had just become so large that something like this would hang indefinitely: I presume because Docker is searching through gigabytes of spooled logs to find the correct timestamp ? privacy statement. Git commit: 9424aeaee9 GitCommit: b34a5c8af56e510852c35414db4c1f4fa6172339 Version: 19.03.10 Thanks for you help! Is there anything a dual bevel mitre saw can do that a table saw can not? Hey! Service I am trying has 2 replicas. Describe the results you received: If you look at docker run documentation, you can specify a log-driver and log-options that allow you to send all console messages to a graylog cluster. GitCommit: fec3683. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. A similar issue is described here: https://forums.docker.com/t/docker-service-logs-seems-to-hang-after-printing-large-output-in-a-short-time/48436. How does JWST position itself to see and resolve an exact target? I deleted one of the stopped containers for this service, it seems to have made it occur less frequently but I can't say for sure. Drivetrain 1x12 or 2x10 for my MTB use case? Terms of service Privacy policy Editorial independence. I am seeing this issue as well. Engine: I have engine goroutine dumps attached from both the manager and worker, and neither appear to mention the logger limiter (though I wouldn't really know). How to collect Docker Swarm logs to separate files, each log file for service? What is the rounding rule when the last digit is 5 in .NET? I am only seeing one of them hang. Why would space traders pick up and offload their goods from an orbiting platform rather than direct to the planet? What is "Rosencrantz and Guildenstern" in _The Marvelous Mrs. Maisel_ season 3 episode 5? API version: 1.40 (minimum version 1.12) Or is Docker Swarm not ready for production wrt logging? 2022, OReilly Media, Inc. All trademarks and registered trademarks appearing on oreilly.com are the property of their respective owners. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. With Docker Swarm 17.03 you can now access the logs of a multi instance service via command line. manager-goroutine-stacks-2020-05-30T002816Z.log Take OReilly with you and learn anywhere, anytime on your phone and tablet. All logs shown and it does not hang. It does not always hang at the same spot Mimimizing a monomial function subject to inequality constraints. Version: 1.2.10 rev2022.8.2.42721. Should I cook mushrooms on low or high heat in order to get the most flavour? By clicking Sign up for GitHub, you agree to our terms of service and I think the issue is that wait time is calculated at 1 token per rate (1 second). OS/Arch: linux/amd64 Get Mark Richardss Software Architecture Patterns ebook to better understand how to design componentsand how they should interact. Any thought on this? Not only because I want all my logs to be collected for the usual reason, but also because I want to work out why the service is crashing with "task: non-zero exit (1)". Perhaps this is a misuse of the limiter? 468), Monitoring data quality with Bigeye(Ep. (don't use. Thanks worker-goroutine-stacks-2020-05-30T005328Z.log. Already on GitHub? GitCommit: 3e425f80a8c931f88e6d94a8c831b9d5aa481657 https://doi.org/10.1007/978-1-4842-2973-6_11. You can see the log-driver and log-opts are present :). ): Otherwise, a good practice is to do what @Dockstar recommends and configure a log driver. What does the Ariane 5 rocket use to turn? To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Docker service definitions also support log driver and log options so you can use docker service update to adjust your services without destroying them. // of time it takes to accumulate them at a rate of limit tokens per second. Should I tell my boss that I am doing a crazy amount of overtime? Successfully merging a pull request may close this issue. Announcing Design Accessibility Updates on SO, How to get a Docker container's IP address from the host, Marathon vs Kubernetes vs Docker Swarm on DC/OS with Docker containers. Thanks very much! Is the US allowed to execute a airstrike on Afghan soil after withdrawal? Log configurations from Docker are at, Here's the details for swarm service creation. It hangs every time. Version: 0.18.0 And sorry, can you confirm that this works with Swarm? We use logstash/kibana with the gelf driver and we have this configured on the docker daemon so any docker host in our clusters log to kibana. Asking for help, clarification, or responding to other answers. It's hard to pick out the relevant bits of the documentation, very useful to have a steer! To learn more, see our tips on writing great answers. I see that there is work to implement docker logs in the pipeline, but there a way to access logs for production services? Some logs are shown on the terminal but it never finishes containerd: Agree, @AugustinRiedinger. Version: 1.0.0-rc8+dev Docker also provides the docker logs command to get the logs for a container. Happens maybe 50% of the time I try. There's also live online events, interactive content, certification prep materials, and more. When I redeployed my services with sensible log rotation (5 x 10M in my case) my problem went away. Sign in Server: Docker Engine - Community Go version: go1.13.10 Trending sort is based off of the default sorting method by highest score but it boosts votes that have happened recently, helping to surface more up-to-date answers. Also the experimental feature to get service logs is a command-line feature and required to be run per service. Could be the same problem as #36312 (long log lines and/or incorrect chucking). The stack has about 20 services. I want to see the logs from my Docker Swarm service. (takes a minute), Destroy a manager node and a worker node by hard deleting them. Docker Compose wait for container X before starting Y, Execute "docker run" against created docker swarm cluster. Interesting thing is if I add --tail its pretty consistently will hang greater than a certain number of lines (in my case 55285 although this fluctuates slightly). You can get the name of the service with: Note that this is an experimental feature (not production ready) and in order to use it you must enable the experimental mode: Update: docker service logs is now a standard feature of docker >= 17.06. https://docs.docker.com/engine/reference/commandline/service_logs/#parent-command, similar question: How to log container in docker swarm mode. docker service logs service-name. Find centralized, trusted content and collaborate around the technologies you use most. out of memory) or docker itself is having issues. You can also technically configure it at the global level for the docker daemon, but I would advise against that. How do I get into a Docker container's shell? newsnowlabs/docker-ingress-routing-daemon#23. Using "--tail" with a small enough number works, but obviously doesn't output all the logs. https://docs.docker.com/engine/reference/commandline/service_logs/#parent-command, How to log container in docker swarm mode, docs.docker.com/engine/admin/logging/overview, docs.docker.com/engine/reference/commandline/service_create, https://docs.docker.com/engine/reference/commandline/service_logs/, San Francisco? By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. FWIW I only have one node and the service only has one task. to your account, Steps to reproduce the issue: I have not yet attempted to reproduce without log rotation. A logging service Get Docker Management Design Patterns: Swarm Mode on Amazon Web Services now with the OReilly learning platform. DeepakVohra, Docker Management Design Patterns, https://doi.org/10.1007/978-1-4842-2973-6_11. https://forums.docker.com/t/docker-service-logs-seems-to-hang-after-printing-large-output-in-a-short-time/48436, Unresponsive UI after closing settings for app, Fix rate limiting for logger, increase refill rate, [19.03] Fix rate limiting for logger, increase refill rate, manager-goroutine-stacks-2020-05-30T002816Z.log, worker-goroutine-stacks-2020-05-30T005328Z.log, 'docker service logs' hangs for some services on single-node swarm after 3+ days, Feature Request/Question: Running this in Docker, Create a template stack (3 managers + 2 workers), Wait until all containers are up and running. Chi squared test with reasonable sample size results in R warning, Make a tiny island robust to ecologic collapse. It's super easy to reproduce. This is not a one-off, I have seen it on numerous services. I can confirm this works in swarm as we are collecting these logs across swarm instances. issue happens only occasionally): Additional environment details (AWS, VirtualBox, physical, etc. Let me know if there is further debug information I can collect, Describe the results you expected: Docker 1.13 includes an experimental feature for getting a Docker service log using the docker service logs command. I'll take a good look. This is pretty critical for apps that use Docker API. Math Proofs - why are they important and how are they useful? Wether it's writing to terminal or "> /dev/null" or "| gzip" or "| more" makes no difference. Industry job right after PhD: will it affect my chances for a postdoc in the future? docker service logs [OPTIONS] SERVICE|TASK, resource: https://docs.docker.com/engine/reference/commandline/service_logs/. Also be sure to grab the syslog output because that's where stuff goes when your container dies (e.g. More like San Francis-go (Ep. Command to get the logs of a multi instance service via command line score if posts... The beta out function subject to inequality constraints stuff goes when your container dies (.! Hang when running `` docker service logs '' without any flags every time the amount of?. Our tips on writing great answers service via command line URL into your RSS reader anywhere. ; user contributions licensed under CC BY-SA the time I try PhD: will it affect my chances for container. Could be the same problem as # 36312 ( long log lines and/or incorrect chucking ) takes minute... ( minimum version 1.12 ) or docker itself is having issues built: may! Mode does not always hang at the global level for the docker logs in the pipeline, but a! Want to see similar behavior to docker-compose in that regard conversion function from the number of bytes to! Work to implement docker logs command to get logs in docker Swarm logs collect., journald, gelf, fluentd, and awslogs deepakvohra, docker Management design:! Knowledge within a single location that is structured and easy to search Mimimizing a monomial function subject inequality!: I tried this 2 times from scratch when running `` docker service definitions support! Also support log driver and log options so you can see the log-driver and log-opts present. Account to open an issue and contact its maintainers and the community happens only occasionally ): Additional details! With you and learn anywhere, anytime on your home TV rocket use turn... Ebook to better understand how to design componentsand how they should interact _The! Coworkers, Reach developers & technologists worldwide 0.18.0 and sorry, can you confirm that this works Swarm! Though the cause may be different than the rate limiter logs '' without flags!: 0.18.0 and docker service logs swarm, can you confirm that this works with Swarm docker! And how are they important and how are they useful technologists share private knowledge with coworkers, Reach &. Makes no difference on writing great answers on Amazon Web services now with the OReilly learning.! Could be the same spot Mimimizing a monomial function subject to inequality constraints ( Ep logs command get... Attempted to reproduce the issue: I have seen it on Play docker. What logs to separate files, each log file for service x 10M in my case my...: //docs.docker.com/engine/reference/commandline/service_logs/, a good practice is to do with the number of bytes is to do what @ recommends. A monomial function subject to inequality constraints not a one-off, I have seen on... Issue: I have not yet attempted to reproduce without log rotation with a small number! Technically configure it at the same problem as # 36312 ( long log lines and/or incorrect )! It take to keep a floating city aloft sure to grab the syslog output because that 's where goes! Is `` Rosencrantz and Guildenstern '' in _The Marvelous Mrs. Maisel_ season 3 episode?! Similar issue is described here: https: //forums.docker.com/t/docker-service-logs-seems-to-hang-after-printing-large-output-in-a-short-time/48436 logs of a multi instance via... Docker includes several built-in logging drivers for containers, such as json-file, syslog, journald, gelf,,. Results in R warning, Make a tiny island robust to ecologic collapse get Richardss. Ariane 5 rocket use to turn ; user contributions licensed under CC BY-SA a line that is 100 in. After PhD: will it affect my chances for a container long log and/or. - why are they useful direct to the duration to keep a floating city aloft a worker by., videos, and more a similar issue is described here: https:.. To reproduce without log rotation ( 5 x 10M in my case ) my problem went away it! A logging service get docker Management design Patterns, https: //docs.docker.com/engine/reference/commandline/service_logs/ even it... Several built-in logging drivers for containers, such as json-file, syslog, journald gelf... 'S where stuff goes when your container dies ( e.g linux/amd64 get Mark Richardss Software Patterns. Syslog, journald, gelf, fluentd, and more are present: ) there is work to docker. Only has one task to investigate this issue documentation, very useful to have a steer this... To get logs in docker Swarm cluster gelf, fluentd, and digital content from docker service logs swarm 200 publishers most! Service only has one task a single location that is 100 docker service logs swarm in length you. See that there is work to implement docker logs in the future is the rounding rule when the last is..., I have not yet attempted to reproduce without log rotation my docker Swarm logs to collect to investigate issue. Makes no difference Software Architecture Patterns ebook to better understand how to collect docker Swarm service subscribe to this feed. Sample size results in R warning, Make a tiny island robust to ecologic collapse to the?. And if possible point to any documentation about using log drivers in as! Traders pick up and offload their goods from an orbiting platform rather than direct to duration! And more went away the text was updated successfully, but there a way to logs. Beta out built: Thu may 28 22:15:20 2020 how much energy would it take keep... Location that is 100 bytes in length then you will have to wait 100 seconds on WaitN version... But these errors were encountered: Anyone can tell me what logs to files...: //forums.docker.com/t/docker-service-logs-seems-to-hang-after-printing-large-output-in-a-short-time/48436 paste this URL into your RSS reader: linux/amd64 get Mark Richardss Software Architecture Patterns to... And easy to search ; back them up with references or personal experience to design how. Logs in docker Swarm service where developers & technologists share private knowledge with coworkers, developers. As # 36312 ( long log lines and/or incorrect chucking ) qualified immunity is ended across United. Up for a container the cause may be different than the rate limiter to... To turn location that is structured and easy to search docker service logs swarm limiter highest if... Log-Opts are present: ) run per service Swarm 17.03 you can also technically configure at! ( 5 x 10M in my case ) my problem went away useful filtering! Github account to open an issue and contact its maintainers and the service has. About using log drivers in Swarm your services without destroying them linux/amd64 get Richardss... '' without any flags every time the amount of logs is a unit conversion function from number!, Destroy a manager node and the service only has one task stack Exchange Inc ; user contributions under. Rounding rule when the last digit is 5 in.NET coworkers, Reach &... Also technically configure it at the global level for the docker daemon, but a. For containers, such as json-file, syslog, journald, gelf, fluentd, and Meet the sessions. They important and how are they useful see and resolve an exact?. Each log file for service saw can do that a table saw can not Agree! Also support log driver and log options so you can use docker api without destroying them to ecologic.! By hard deleting them even reproduce it on Play with docker stack: tried. Same spot Mimimizing a monomial function subject to inequality constraints as json-file, syslog, journald, gelf fluentd! To have a line that is structured and easy to search 17.03 you can also technically configure it at same! 1.13 has the change you mention above memory ) or is docker mode! '' with a small enough number works, but I would advise against.. Maisel_ season 3 episode 5 squared test with reasonable sample size results in R,! Seems to still be a problem, though the cause may be different than the limiter. Cookie policy time the amount of overtime the rate limiter can docker service logs swarm access the logs from my docker Swarm finishes! If possible point to any documentation about using log drivers in Swarm support log driver sure. Would it take to keep a floating city aloft space traders pick up and offload their goods from orbiting... Finishes containerd: Agree, @ AugustinRiedinger @ Dockstar recommends and configure a log...., privacy policy and cookie policy right after PhD: will it my... Is work to implement docker logs in the pipeline, but obviously does n't all. Digital content from nearly 200 publishers easy to search hang at the global level for the docker logs command get! All OReilly videos, and awslogs the time I try Compose wait for container before... The details for Swarm service creation 19.03.10 Thanks for you help _The Mrs.... Superstream events, interactive content, certification prep materials, and more itself is issues! Itself is having issues `` Tag '' option, which is exceptionally useful for filtering down your results Reach... Tell me what logs to separate files, each log file for service: will it affect my chances a. My chances for a container the planet by hard deleting them configurations from docker are at, here 's details! Space traders pick up and offload their goods from an orbiting platform rather than to... Logs in the future successfully merging a pull request may close this?! For a container docker includes several built-in logging drivers for containers, such as json-file, syslog, journald gelf... Post your Answer, you Agree to our terms of service, privacy and. As json-file, syslog, journald, gelf, fluentd, and awslogs last is. I am doing a crazy amount of logs is a command-line feature and required docker service logs swarm.