By that, maybe what you mean is, Yeap, as I mentioned I didn't test it, I just want to show you that different labels was the problem. Grafana image showing docker usage stats and graphs of CPU, memory, traffic and disk usage. We then add 2 series overrides to hide the request and limit in the tooltip and legend: The result looks like this: LITHIUM.AjaxSupport({"ajaxOptionsParam":{"event":"LITHIUM:userExistsQuery","parameters":{"javascript.ignore_combine_and_minify":"true"}},"tokenId":"ajax","elementSelector":"#userSearchField","action":"userExistsQuery","feedbackSelector":"#ajaxfeedback_0","url":"https://community.sisense.com/t5/tkb/v2_4/articlepage.searchformv32.usersearchfield:userexistsquery?t:ac=blog-id/knowledgebase/article-id/3090&t:cp=search/contributions/page","ajaxErrorEventName":"LITHIUM:ajaxError","token":"QjD_-ImOCfUIWX886RMu3y-MQZhOPsRYY6UKhUrP1i4. @radiohead hmm.. reading the discussion again, maybe there was no misunderstanding, sorry . @toddtreece and @ryantxu put in a lot of work on this, @aocenas put in a lot of work and with the help of @obetomuniz and @itsmylife we have continued on this work. LITHIUM.Dialog({ How do I align things in the following tabular environment? rev2023.3.3.43278. When querying Prometheus datasources the memory usage of Grafana server has increased since Grafana 8.3.x when compared to 8.2.x. @radiohead sorry, i probably wrote that in an ambiguous way about the 11000-limit. Staging Ground Beta 1 Recap, and Reviewers needed for Beta 2, How do I get list of pods which are consuming high CPU and Memory in Grafana dashboard, Exclude k8s nodes from grafana monitoring, performance testing uwsgi application in microservice, Prometheus is not compatible with Kubernetes v1.16, Auto join in prometheus with max over time with no output, Grafana for Kubernettes shows CPU usage higher than 100%, Way to configure notifications/alerts for a kubernetes pod which is reaching 90% memory and which is not exposed to internet(backend microservice), Container CPU Usage is higher than Node CPU Usage. How to follow the signal when reading the schematic? Asking for help, clarification, or responding to other answers. LITHIUM.AutoComplete({"options":{"autosuggestionAvailableInstructionText":"Auto-suggestions available. Here's the result. "accessibility" : true, make sure we that no matter the time range, we always return the same amount of time points). We use AWS EKS (Kubernetes 1.22) and the kube-prometheus-stack Helm chart with Grafana version v9.1.6. When querying Prometheus datasources the memory usage of Grafana server has increased since Grafana 8.3.x when compared to 8.2.x. I appreciate any suggestion. Input name of the data source and URL of your Prometheus server. How can I calculate bandwidth usage per day or hour with Grafana, graphite and collectd? collectd plugin for obtaining a drive's make? $(divContainer).fadeIn(); Do you use prometheus-operator to collect data from kubernetes? Why is this sentence from The Great Gatsby grammatical? Click on the "explore" tab. Yup, I understand, but I don't see any low-hanging meaningful improvements that we could do here. @ismail is currently assigned the tasks to bring it to parity and remove the old client. What I have now are time series limit CPU/memory. Logical to make the percentage is, (resource_usage_query)/ (resource_limit_query)*100 . we could simply not use the prometheus go client library, and write completely custom code and go from JSON directly to grafana dataframes (currently we go from JSON to prometheus-client-lib-go-structures to grafana dataframes. @marefr does this apply to requests to external plugins as well? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Click on the "alerting" tab and "New alert rule". ', 'ajax');","content":", Turn off suggestions"}],"prefixTriggerTextLength":0},"inputSelector":"#productSearchField","redirectToItemLink":false,"url":"https://community.sisense.com/t5/tkb/v2_4/articlepage.searchformv32.productsearchfield.productsearchfield:autocomplete?t:ac=blog-id/knowledgebase/article-id/3090&t:cp=search/contributions/page","resizeImageEvent":"LITHIUM:renderImages"}); $( '.custom-widget-menu-toggle' ).on( 'click', function() { Have a question about this project? "closeEvent" : "LITHIUM:lightboxCloseEvent", That way we could at least solve the issue for queries with too high of resolution. you can use above promql with pod name in a query. To make the memory usage monitoring panel: add new panel; set a panel title and description; select data source "Graphite" query A -> select metric with "collectd" prefix -> memory -> memory-buffered -> value; Functions -> "Alias . Building a bash script to retrieve metrics. //. LITHIUM.Dialog.options['-438913148'] = {"contentContext":"authentication.widget.login-dialog-content","dialogOptions":{"trackable":true,"resizable":true,"autoOpen":false,"minWidth":710,"dialogClass":"lia-content lia-panel-dialog lia-panel-dialog-modal-advanced","title":"Sign in","minHeight":200,"fitInWindow":true,"draggable":true,"maxHeight":600,"width":710,"position":["center","center"],"modal":true,"maxWidth":710},"contentType":"ajax"}; "dialogTitleHeadingLevel" : "2", { By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. LITHIUM.AjaxSupport.fromLink('#link_0', 'acceptCookieEvent', 'false', 'LITHIUM:ajaxError', {}, 'QvoWqvswUD-7ZHIubxNS3gzM6fHcMBdKUuF7v-TP-_w. @toddtreece introduced the streaming parser to prometheus and began working on bring it to parity with the old prom client. Go GC duration) on instance B a few times, Grafana Frontend sends the request from the browser to the Grafana server, Grafana server calculates the necessary Prometheus query, Grafana server sends calculated query to Prometheus API, Grafana server receives and parses the response, Grafana server converts the response to DataFrames, Grafana server sends the DataFrames back to Grafana Frontend, OS Grafana is installed on: Google Container-Optimised OS, User OS & Browser: MacOS 12.1 / Safari 15.2, i ran a grafana docker image, and was monitoring it's memory usage (, i measured how much memory the grafana-prometheus-datasource uses. Just for example. "selector" : "#kudosButtonV2", $('.user-profile-card').hide(); In testing this, the memory usage seems scale linearly with the number of active sessions, so this could cause significant memory usage in some circumstances. $('.info-container', divContainer).append(data); memory-usage. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. $( this ).toggleClass( 'menu-opened' ); Please provide more information on your current situation. }); $( this ).parent( '.has-children' ).toggleClass( 'open' ); This is a part of Devtron config. ","emptyText":"No Matches","successText":"Results:","defaultText":"Enter a search word","autosuggestionUnavailableInstructionText":"No suggestions available","disabled":false,"footerContent":[{"scripts":"\n\n(function(b){LITHIUM.Link=function(f){function g(a){var c=b(this),e=c.data(\"lia-action-token\");!0!==c.data(\"lia-ajax\")&&void 0!==e&&!1===a.isPropagationStopped()&&!1===a.isImmediatePropagationStopped()&&!1===a.isDefaultPrevented()&&(a.stop(),a=b(\"\\x3cform\\x3e\",{method:\"POST\",action:c.attr(\"href\"),enctype:\"multipart/form-data\"}),e=b(\"\\x3cinput\\x3e\",{type:\"hidden\",name:\"lia-action-token\",value:e}),a.append(e),b(document.body).append(a),a.submit(),d.trigger(\"click\"))}var d=b(document);void 0===d.data(\"lia-link-action-handler\")&&\n(d.data(\"lia-link-action-handler\",!0),d.on(\"click.link-action\",f.linkSelector,g),b.fn.on=b.wrap(b.fn.on,function(a){var c=a.apply(this,b.makeArray(arguments).slice(1));this.is(document)&&(d.off(\"click.link-action\",f.linkSelector,g),a.call(this,\"click.link-action\",f.linkSelector,g));return c}))}})(LITHIUM.jQuery);\nLITHIUM.Link({\n \"linkSelector\" : \"a.lia-link-ticket-post-action\"\n});LITHIUM.AjaxSupport.fromLink('#disableAutoComplete_1101c2f181ad183', 'disableAutoComplete', '#ajaxfeedback_0', 'LITHIUM:ajaxError', {}, 'mQTen4VawOmtRQkGLOb-qBPfy4q0cXOmOezGez-IiZY. type: 'post', Why do many companies reject expired SSL certificates as bugs in bug bounties? $( '.custom-widget-menu-toggle, .toggle-menu-children' ).removeClass( 'menu-opened' ); What does this means in this context? It saves these metrics as time-series data, which is used to create visualizations and alerts for IT teams. The following query should return per-pod number of used CPU cores: sum(rate(container_cpu_usage_seconds_total{container_name!="POD",pod_name!=""}[5m])) without . The nature of simulating nature: A Q&A with IBM Quantum researcher Dr. Jamie We've added a "Necessary cookies only" option to the cookie consent popup, collectds network plugin is only sending data every 100 seconds. I'm closing out this issue. ","emptyText":"No Matches","successText":"Results:","defaultText":"Enter a search word","autosuggestionUnavailableInstructionText":"No suggestions available","disabled":false,"footerContent":[{"scripts":"\n\n(function(b){LITHIUM.Link=function(f){function g(a){var c=b(this),e=c.data(\"lia-action-token\");!0!==c.data(\"lia-ajax\")&&void 0!==e&&!1===a.isPropagationStopped()&&!1===a.isImmediatePropagationStopped()&&!1===a.isDefaultPrevented()&&(a.stop(),a=b(\"\\x3cform\\x3e\",{method:\"POST\",action:c.attr(\"href\"),enctype:\"multipart/form-data\"}),e=b(\"\\x3cinput\\x3e\",{type:\"hidden\",name:\"lia-action-token\",value:e}),a.append(e),b(document.body).append(a),a.submit(),d.trigger(\"click\"))}var d=b(document);void 0===d.data(\"lia-link-action-handler\")&&\n(d.data(\"lia-link-action-handler\",!0),d.on(\"click.link-action\",f.linkSelector,g),b.fn.on=b.wrap(b.fn.on,function(a){var c=a.apply(this,b.makeArray(arguments).slice(1));this.is(document)&&(d.off(\"click.link-action\",f.linkSelector,g),a.call(this,\"click.link-action\",f.linkSelector,g));return c}))}})(LITHIUM.jQuery);\nLITHIUM.Link({\n \"linkSelector\" : \"a.lia-link-ticket-post-action\"\n});LITHIUM.AjaxSupport.fromLink('#disableAutoComplete_1101c2f1715d6aa', 'disableAutoComplete', '#ajaxfeedback_0', 'LITHIUM:ajaxError', {}, 'dEaOv1DIIqua1zWiTt_XSSOXE8KKgu46dxEtZy87QR8. Of course you can adjust the [1m] parameter (and others) as you need. How to get cpu and memory usage of nodes/pods in prometheus? Hi, I recently deployed Grafana and Loki on a K3S cluster in my homelab to monitor the logs from my nginx reverse proxy. #50206 This would prevent instances from being OOMKilled, but unfortunately it doesn't solve the underlying problem of large query results not fitting in memory. Memory usage to not increase, or to not increase as sharply. Container memory. ;(function($) { Scroll down and click on Save & test, message Data source is working should be displayed. . How can we prove that the supernatural or paranormal doesn't exist? Showing all above metrics both for all cluster and each node separately. What we learned. . This Graph shows pod memory usage on Devtron dashboard. }); You are ending with no data because the metrics have different labels. Raising alerts in Grafana on high CPU usage. Thanks all! LITHIUM.Loader.runJsAttached(); By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. ', 'ajax'); Sign in LITHIUM.Auth.API_URL = '/t5/util/authcheckpage'; Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. $( window ).on( 'resize orienationchange', function() { By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. LITHIUM.InformationBox({"updateFeedbackEvent":"LITHIUM:updateAjaxFeedback","componentSelector":"#informationbox_1","feedbackSelector":".InfoMessage"}); The following query should return per-pod number of used CPU cores: The following query should return per-pod RSS memory usage: If you need summary CPU and memory usage across all the pods in Kubernetes cluster, then just remove without (container_name) suffix from queries above. var userId = $(this).attr('href').replace(/. LITHIUM.HelpIcon({"selectors":{"helpIconSelector":".help-icon .lia-img-icon-help"}}); })(LITHIUM.jQuery); We could easily change that 11000 limit to a lower value, but that is a backward-incompatible change in a sense. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. we could implement a hard limit on the prometheus-json-response, and return an error if it is too large. I've tried to combine both query same as the formula but ended with . replace deployment-name. Have you tried importing and exploring a pre-configured dashboard for Node Exporter + Windows, such as this one: General stats dashboard with node selector, uses metrics from wmi_exporter, I bet that dashboard has a reliable query for CPU data. grafana: how to sum values from query into a singlestat or other plugin? How to show that an expression of a finite type must be one of the finitely many possible values? *\",device!~\"tmpfs|nsfs\",device!=\"gvfsd-fuse\"}JSON format of dashboard: https://github.com/moss-n/Grafana-Dashboards/blob/main/Host%20Resource%20Usage%20Example.json TOC: Introduction: 00:00 - 1:44 CPU metric: 1:45 - 09:03Memory Usage: 09:04 - 14:15Disk Usage: 14:16 - 21:20Network Traffic: 21:21 - 25:06Conclusion: 25:07 - 26:02 Please edit your question with whatever query you tried. Use Up and Down arrow keys to navigate. vegan) just to try it, does this inconvenience the caterers and staff? @bohandley will reach out to @toddtreece / @ryantxu to gather context / state on this issue. kubectl top didn't reveal anything either (187Mi). Follow Up: struct sockaddr storage initialization by network format-string, How to tell which packages are held back due to phased updates. The best answers are voted up and rise to the top, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Connect and share knowledge within a single location that is structured and easy to search. By clicking Sign up for GitHub, you agree to our terms of service and Pod memory usage was immediately halved after deploying our optimization and is now at 8Gb, which represents a 375% improvement of the memory usage. LITHIUM.InformationBox({"updateFeedbackEvent":"LITHIUM:updateAjaxFeedback","componentSelector":"#informationbox_2","feedbackSelector":".InfoMessage"}); "}); 5. ', 'ajax');","content":"Turn off suggestions"}],"prefixTriggerTextLength":0},"inputSelector":"#noteSearchField_0","redirectToItemLink":false,"url":"https://community.sisense.com/t5/tkb/v2_4/articlepage.searchformv32.notesearchfield.notesearchfield:autocomplete?t:ac=blog-id/knowledgebase/article-id/3090&t:cp=search/contributions/page","resizeImageEvent":"LITHIUM:renderImages"}); Connect and share knowledge within a single location that is structured and easy to search. See the following queries on go_memstats_alloc_bytes for two versions of Grafana, v9.0.0 which uses the buffered client and v9.3.1 which uses the streaming client. Grafana alerts are split into four key components: alert rules, contact points, notification policies, and . For example, if the prometheus response return 300 separate time-series blocks, the response can be quite big, even if the number of data points for 1 time-series is smaller. This is a part of Devtron config. Reviews. . In this video I show you how to a build a Grafana dashboard from scratch that will monitor a virtual machine's CPU utilization, Memory Usage, Disk Usage, and. $('.user-profile-card').hide(); it's up and running I want get alerts for CPU and Memory usage of the pods. github-ps1304 changed the title Query with usage of a variable not woring after updating to 9.4.2 Query with usage of a variable not working after updating to 9.4.2 Mar 2, 2023. This part of the demo shows how to define an alert for sustained high memory usage on the database, using the Grafana alerting parameter FOR. In our case : 1.61GB. Detailing Our Monitoring Architecture. Grafana Labs uses cookies for the normal operation of this website. "eventActions" : [ I edit the answer, If it helped, please consider marking as answered, Grafana alert from percentage CPU/Memory usage, How Intuit democratizes AI development across teams through reusability. slideMenuReset(); $( 'body' ).removeClass( 'slide-open' ); Let me know if you need further information. Businesses and organizations can use Grafana dashboards . success: function(data) { privacy statement. LITHIUM.InformationBox({"updateFeedbackEvent":"LITHIUM:updateAjaxFeedback","componentSelector":"#informationbox_3","feedbackSelector":".InfoMessage"}); This is how we query container memory on Prometheus. Normally, the operating system puts that memory to use, for example by caching files it has accessed. "triggerSelector" : ".lia-panel-dialog-trigger-event-click", LITHIUM.PartialRenderProxy({"limuirsComponentRenderedEvent":"LITHIUM:limuirsComponentRendered","relayEvent":"LITHIUM:partialRenderProxyRelay","listenerEvent":"LITHIUM:partialRenderProxy"}); LITHIUM.InformationBox({"updateFeedbackEvent":"LITHIUM:updateAjaxFeedback","componentSelector":"#pageInformation","feedbackSelector":".InfoMessage"}); Increased memory usage when querying Prometheus datasources since 8.3.x, Prometheus: Framing performance improvements, Prometheus: Matrix framing performance improvements, https://github.com/prometheus/client_golang, https://prometheus.io/docs/prometheus/latest/querying/api/#range-queries, Bring Prom streaming parser to parity and make default, Launch a 8.2.7 Grafana instance (instance A), Launch a 8.3.3 Grafana instance (instance B), Add scrape configs for both Grafana instances to your Prometheus instance, Add Prometheus instance as datasource to both Grafana instances, Query (e.g. Hi! If yes, you can use something like this: }; LITHIUM.AutoComplete({"options":{"autosuggestionAvailableInstructionText":"Auto-suggestions available. This question is fairly poorly written and has little research to show, I'd recommend reading. "useCountToKudo" : "false", Go GC duration) on instance A a few times, Query (e.g. I am going to close this issue as we haven't heard back. Prometheus has gained a lot of market traction over the years, and when combined with other open-source . "disallowZeroCount" : "false", a - Retrieving the current overall CPU usage. What happened: upgraded Grafana to version 9.4.2 - queries with a variable (multiply a value with a variable to get ) are not working anymore. Go to Alert tab : Rule Name for Alert display name in grafana Alert page. LITHIUM.Placeholder(); }, this is a large change obivously. To learn more, see our tips on writing great answers. You signed in with another tab or window. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. We also make sure the step is big enough so that at most 11000 datapoints are returned for one time-series. sum(container_cpu_usage_seconds_total) LITHIUM.Auth.LOGIN_URL_TMPL = 'https://community.sisense.com/t5/user/userloginpage?dest_url=#{destUrl}'; You should see a message similar to the following one. I expected to have a memory consumption equivalent to the PromQL evaluation in explore feature. function slideMenuReset() { What video game is Charlie playing in Poker Face S01E07? "context" : "envParam:entity", addthis_config = {"data_use_cookies":false,"pubid":"PoweredByLithium","services_compact":"twitter,facebook,delicious,digg,myspace,google,gmail,blogger,live,stumbleupon,favorites,more","data_use_cookies_ondomain":false,"services_expanded":"","services_exclude":"","ui_language":"en"}; If you preorder a special airline meal (e.g. Image by Author . ', 'ajax');","content":"Turn off suggestions"}],"prefixTriggerTextLength":3},"inputSelector":"#messageSearchField_1","redirectToItemLink":false,"url":"https://community.sisense.com/t5/tkb/v2_4/articlepage.searchformv32.tkbmessagesearchfield.messagesearchfield:autocomplete?t:ac=blog-id/knowledgebase/article-id/3090&t:cp=search/contributions/page","resizeImageEvent":"LITHIUM:renderImages"}); })(LITHIUM.jQuery); LITHIUM.Dialog.options['-134022357'] = {"contentContext":"cookie.preferences","dialogOptions":{"minHeight":399,"draggable":true,"maxHeight":1400,"dialogContentClass":"lia-cookie-banner-preferences-dialog-body","autoOpen":false,"width":710,"minWidth":760,"dialogClass":"lia-cookie-banner-preferences-dialog","position":["center","center"],"title":"Privacy Preferences","modal":false,"maxWidth":910},"contentType":"ajax"}; LITHIUM.AjaxSupport({"ajaxOptionsParam":{"event":"LITHIUM:userExistsQuery","parameters":{"javascript.ignore_combine_and_minify":"true"}},"tokenId":"ajax","elementSelector":"#userSearchField","action":"userExistsQuery","feedbackSelector":"#ajaxfeedback_0","url":"https://community.sisense.com/t5/tkb/v2_4/articlepage.searchformv32.usersearchfield:userexistsquery?t:ac=blog-id/knowledgebase/article-id/3090&t:cp=search/contributions/page","ajaxErrorEventName":"LITHIUM:ajaxError","token":"QjD_-ImOCfUIWX886RMu3y-MQZhOPsRYY6UKhUrP1i4. ', 'ajax');","content":"Turn off suggestions"}],"prefixTriggerTextLength":3},"inputSelector":"#messageSearchField_0","redirectToItemLink":false,"url":"https://community.sisense.com/t5/tkb/v2_4/articlepage.searchformv32.messagesearchfield.messagesearchfield:autocomplete?t:ac=blog-id/knowledgebase/article-id/3090&t:cp=search/contributions/page","resizeImageEvent":"LITHIUM:renderImages"}); Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. 15 Best Grafana Dashboard Examples. "disableKudosForAnonUser" : "false", LITHIUM.Auth.KEEP_ALIVE_URL = '/t5/status/blankpage?keepalive'; i agree that [2] and [3] is a larger scale change. LITHIUM.AutoComplete({"options":{"autosuggestionAvailableInstructionText":"Auto-suggestions available. Now go to Grafana Home and click New Dashboard, then click Add Query. }); } 1 - Building Rounded Gauges. Sorry, an error occurred. What sort of strategies would a medieval military use against a fantasy giant? return; What you expected to happen: Memory usage to not increase, or to not increase as sharply. data: {"userId": userId}, Well occasionally send you account related emails. In this video I show you how to a build a Grafana dashboard from scratch that will monitor a virtual machine's CPU utilization, Memory Usage, Disk Usage, and Network Traffic using the Node-Exporter data collector and Prometheus as the Data SourceUSED DISK SPACE QUERY: node_filesystem_size_bytes{job=\"jenkins-node\",instance=\"localhost:9100\",device!~\"/dev/loop. "}); This is Q3 goal for Observability Metrics. The pod request/limit metrics come from kube-state-metrics. "}); AM using collectd to collect the metrics from the system, am using Influxdb as a database to collectd the metrics and Grafana for visualization. ], }); ', 'ajax'); LITHIUM.AjaxSupport.useTickets = false; How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? query: label_values(kube_node_info, node), Now you should be able to switch between nodes, \n\t\t\t\n\t\n\n\t\n\n\t\t"; // just for inline syntax-highlighting on LITHIUM.AutoComplete({"options":{"autosuggestionAvailableInstructionText":"Auto-suggestions available. $( '.toggle-menu-children' ).on( 'click', function() { Select Prometheus. Grafana alerts are a way to send notifications when a metric crosses a threshold you have configured. "initiatorDataMatcher" : "data-lia-kudos-id" Acceptance Criteria: Improve performance of Prometheus query memory usage by successfully implementing the streaming parser. LITHIUM.DropDownMenu({"userMessagesFeedOptionsClass":"div.user-messages-feed-options-menu a.lia-js-menu-opener","menuOffsetContainer":".lia-menu-offset-container","hoverLeaveEvent":"LITHIUM:hoverLeave","mouseoverElementSelector":".lia-js-mouseover-menu","userMessagesFeedOptionsAriaLabel":"Show contributions of the user, selected option is Options. $( 'body' ).toggleClass( 'slide-open' ); Styling contours by colour and by line thickness in QGIS. Follow Up: struct sockaddr storage initialization by network format-string, How to handle a hobby that makes income in US. How Intuit democratizes AI development across teams through reusability. Data source type & version: Prometheus (using the built-in datasource), OS Grafana is installed on: Kubernetes with chart grafana from. LITHIUM.DropDownMenuVisibilityHandler({"selectors":{"menuSelector":"#actionMenuDropDown","menuItemsSelector":".lia-menu-dropdown-items"}}); It shows CPU, memory, and disk usage, as well as traffic. https://www.devtron.ai, Upload an updated version of an exported dashboard.json file from Grafana.
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grafana memory usage query