Danny, just one more question. Are all the services deployed as cluster singletons?
Kind regards, Alex. On Tue, May 16, 2017 at 1:10 PM, afedotov <[email protected]> wrote: > Hi Danny, > > Could you please share your node filter/cluster group pedicate? > > Kind regards, > Alex. > > On Mon, May 15, 2017 at 10:49 PM, dany74q [via Apache Ignite Users] <[hidden > email] <http:///user/SendEmail.jtp?type=node&node=12883&i=0>> wrote: > >> Hey Alex. >> Thanks for the prompt response ! >> We actually do employ a node filter - lets say we have N nodes, we deploy >> our services to a group B, being roughly N/10 of size (20~ nodes). >> >> Our services are quite extensive, and so deploying them unevenly across B >> causes GCs, stalls and other unfortunate results. >> >> We have implemented a round robin approach, where we create a cluster >> group consisting of one of the nodes in B (node at position counter % >> B_size). >> But it has many shortcomings - >> their deployment predicate is always fixed on that specific node, and it >> doesn't scale when adding additional nodes with the same node attribute. >> >> We're looking for a different solution. >> Question - is it possible to have an affinity key deployment strategy, >> but not having the services "rebalance" when a node leaves / joins ? >> Any other solutions ? >> On Mon, May 15, 2017 at 10:12 PM afedotov [via Apache Ignite Users] <[hidden >> email] <http:///user/SendEmail.jtp?type=node&node=12861&i=0>> wrote: >> >>> Danny, in this case, it looks like you are right and the random don't >>> provide even distribution. >>> To avoid this you could devise a solution based on a node filter if >>> affinity deployment doesn't do the trick for you >>> https://apacheignite.readme.io/v1.8/docs/service-grid#sectio >>> n-node-filter-based-deployment >>> >>> Kind regards, >>> Alex. >>> >>> On Mon, May 15, 2017 at 8:34 PM, dany74q <[hidden email] >>> <http:///user/SendEmail.jtp?type=node&node=12860&i=0>> wrote: >>> Hey Alex, >>> >>> The services are deployed dynamically after all nodes are started. >>> It could be the case that the random distribution isn't "random enough" >>> - and most of the services are concentrated on specific nodes. >>> >>> Could we somehow control the way those services are deployed within >>> their cluster group, but without an affinity key ? >>> >>> Would love that ability ! >>> >>> On Mon, May 15, 2017 at 4:08 PM afedotov [via Apache Ignite Users] <[hidden >> email] <http:///user/SendEmail.jtp?type=node&node=12858&i=0>> wrote: >> Hi Danny. >> >> At the moment, cluster singleton services are deployed on a random basis. >> How many Ignite nodes do you run? >> How did you deploy services: after all the nodes had been started or you >> have the services specified in configuration? >> >> Kind regards, >> Alex. >> >> On Sat, May 13, 2017 at 1:06 AM, dany74q [via Apache Ignite Users] <[hidden >> email] <http:///user/SendEmail.jtp?type=node&node=12845&i=0>> wrote: >> Hi everyone, >> >> We use ignite's (1.7.4) service grid to deploy hundreds of (different) >> services in our cluster. >> There's a behavior we've noticed, once deploying that many services, that >> they tend do deploy unevenly in the cluster, >> that means that we can get to a point where a great number of services >> are deployed on a single node, instead of spreading them out more evenly. >> >> Is there any way to guarantee a random or even distribution, or a >> round-robin deployment policy on our nodes, without using affinity keys >> (Partitions may shift, and so services can get cancelled and redeployed >> with no reason) ? >> >> Thanks ! >> - Danny >> >> ------------------------------ >> If you reply to this email, your message will be added to the discussion >> below: >> http://apache-ignite-users.70518.x6.nabble.com/How-to-deploy >> -ignite-service-evenly-across-the-cluster-tp12674.html >> To start a new topic under Apache Ignite Users, email [hidden email] >> <http:///user/SendEmail.jtp?type=node&node=12845&i=1> >> To unsubscribe from Apache Ignite Users, click here. >> NAML >> <http://apache-ignite-users.70518.x6.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> >> >> >> >> ------------------------------ >> If you reply to this email, your message will be added to the discussion >> below: >> http://apache-ignite-users.70518.x6.nabble.com/How-to-deploy >> -ignite-service-evenly-across-the-cluster-tp12674p12845.html >> To unsubscribe from How to deploy ignite service evenly across the >> cluster ?, click here. >> NAML >> <http://apache-ignite-users.70518.x6.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> >> >> ------------------------------ >> View this message in context: Re: How to deploy ignite service evenly >> across the cluster ? >> <http://apache-ignite-users.70518.x6.nabble.com/How-to-deploy-ignite-service-evenly-across-the-cluster-tp12674p12858.html> >> >> Sent from the Apache Ignite Users mailing list archive >> <http://apache-ignite-users.70518.x6.nabble.com/> at Nabble.com. >> If you reply to this email, your message will be added to the discussion >> below: >> http://apache-ignite-users.70518.x6.nabble.com/How-to-deploy >> -ignite-service-evenly-across-the-cluster-tp12674p12860.html >> To unsubscribe from How to deploy ignite service evenly across the >> cluster ?, click here. >> NAML >> <http://apache-ignite-users.70518.x6.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> >> >> >> ------------------------------ >> If you reply to this email, your message will be added to the discussion >> below: >> http://apache-ignite-users.70518.x6.nabble.com/How-to-deploy >> -ignite-service-evenly-across-the-cluster-tp12674p12861.html >> To start a new topic under Apache Ignite Users, email [hidden email] >> <http:///user/SendEmail.jtp?type=node&node=12883&i=1> >> To unsubscribe from Apache Ignite Users, click here. >> NAML >> <http://apache-ignite-users.70518.x6.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml> >> > > > ------------------------------ > View this message in context: Re: How to deploy ignite service evenly > across the cluster ? > <http://apache-ignite-users.70518.x6.nabble.com/How-to-deploy-ignite-service-evenly-across-the-cluster-tp12674p12883.html> > Sent from the Apache Ignite Users mailing list archive > <http://apache-ignite-users.70518.x6.nabble.com/> at Nabble.com. >
