January 2010 - infinispan-issues - Jboss List Archives

[JBoss JIRA] Created: (ISPN-224) Separate Cache metrics into differen subservices in Jopr

by Galder Zamarreno (JIRA)

Separate Cache metrics into differen subservices in Jopr -------------------------------------------------------- Key: ISPN-224 URL: https://jira.jboss.org/jira/browse/ISPN-224 Project: Infinispan Issue Type: Feature Request Components: JMX, reporting and management Reporter: Galder Zamarreno Assignee: Galder Zamarreno Fix For: 4.1.0.BETA1 The current Jopr plugin shows a Cache with different metrics for each individual metric available in the cache, i.e. cache stores, cache loades, average repl time...etc. This set up was fine when there was only a handful of metrics, but we after adding all the different managed attributes, we have around ~43 metrics now (some obviously but not always be present, i.e. metrics related to cache stores, deadlock detecting manager...etc), but they still appear but with no metrics at all. So, as the number of metrics increase, you have a massive list of different values under Cache. I think it'd be good to separate attributes from different interceptors into different services under Cache, i.e Statistics, Cache Store, Passivation/Activation...etc. This would make it cleaner to read to the user. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 6 months

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[JBoss JIRA] Created: (ISPN-219) More sophisticated discovery of Infinispan instances from JOPR agent

by Galder Zamarreno (JIRA)

More sophisticated discovery of Infinispan instances from JOPR agent -------------------------------------------------------------------- Key: ISPN-219 URL: https://jira.jboss.org/jira/browse/ISPN-219 Project: Infinispan Issue Type: Task Components: JMX, reporting and management Reporter: Galder Zamarreno Assignee: Galder Zamarreno Fix For: 4.0.0.CR1 Currently, JOPR agent to Infinispan discovery is hardcoded to localhost. This needs further sophistication as indicated in: Oct 01 10:39:25 <galderz> pilhuhn, one question Oct 01 10:39:40 <galderz> the <plugin-configuration>, who uses it? Oct 01 10:40:05 <pilhuhn> that is used to pass in connection properties Oct 01 10:40:15 <galderz> to who? Oct 01 10:40:27 <galderz> to the jopr plugin itself? Oct 01 10:40:42 <pilhuhn> So in the ispn case, the remote jnp url would go int there , yes the plugin itself Oct 01 10:40:56 <pilhuhn> in the plugin DiscoveryCOmponent you e.g. do Oct 01 10:41:01 <galderz> right, so that currently is not in use at all, correct? Oct 01 10:41:07 <pilhuhn> yes Oct 01 10:41:23 <pilhuhn> Configuration c = resourceDiscoveryContext.getConfiguration(); Oct 01 10:41:49 <galderz> and what's c:template about? Oct 01 10:42:04 <pilhuhn> String jnp Url = c.getSimpleProperty("xxx", "jmx:servive......"); with xxx being the property name from the deployment descirptor Oct 01 10:42:23 <pilhuhn> c:template allows you to provide tempates for the values a user can enter Oct 01 10:44:12 <pilhuhn> have a look at http://viewvc.rhq-project.org/cgi-bin/viewvc.cgi/rhq/trunk/modules/plugin... Oct 01 10:44:27 <galderz> so, let me get one thing straight Oct 01 10:44:43 <galderz> does it make sense to have anything other than localhost in the connectorAddress? Oct 01 10:44:56 <pilhuhn> There are 2 templates for Twitter and identi.ca that pre-fill the basic connection properties for that plugin to connect to the remote services Oct 01 10:45:07 <galderz> at the end of the day, can u assume the plugin will always be local to the infinispan instance? Oct 01 10:45:44 <pilhuhn> This depends on your usage. If you want an agent on all nodes with ispn on, then you can assume localhost Oct 01 10:46:02 <galderz> well, we have to make a choice Oct 01 10:46:11 <galderz> or rethink this cos either Oct 01 10:46:19 <pilhuhn> if you say that you only want one agent for e.g. 10 ispn nodes, then not :-> Oct 01 10:46:21 <galderz> the rhq-plugin.xml is generated at build it Oct 01 10:46:59 <galderz> i think that at least Oct 01 10:47:17 <pilhuhn> A plugin can support manual-add and autodiscovery. Meaning that you can autodiscover ispn on the localhost and stil have a user manually add an instance on a remote host - here he has to provide the correct connection properties Oct 01 10:47:19 <galderz> that the port and host need to have a ${:} format Oct 01 10:47:54 <galderz> so that at least, when u start the agent, u can pass (optionally) the location of the infinispan instance Oct 01 10:48:04 <pilhuhn> That is done via c.getSimpleProperty(propertyName, defaultValue) in the plugin code Oct 01 10:48:28 <pilhuhn> but yes, you could do it your way too Oct 01 10:48:48 <galderz> hmmm, not sure if I like default values in code rather than in xml Oct 01 10:49:05 <galderz> but let me have a think about it Oct 01 10:49:33 <galderz> so, to get this right Oct 01 10:49:42 <galderz> how do u call up on the default template? Oct 01 10:49:58 <galderz> iow, how do I get the default template values? Oct 01 10:50:25 <pilhuhn> hm. dunno if you can get them. Oct 01 10:50:40 <pilhuhn> stop Oct 01 10:50:44 <pilhuhn> let me rephrase Oct 01 10:51:34 <pilhuhn> IIrc you get this just passed in (the default values you specify in plugin-xml) when you call c.getSimpleProperty(); Oct 01 10:54:22 <galderz> another question, how can an agent connect to multiple infinispan instances? Oct 01 10:54:27 <galderz> each in different host and port? Oct 01 10:55:00 <pilhuhn> yes Oct 01 10:55:06 <galderz> how? Oct 01 10:55:19 <pilhuhn> You just need one resource in inventory per ispn instance Oct 01 10:55:40 <galderz> but the agent, how does it connect to each? Oct 01 10:55:49 <galderz> the agent has a single connectorAddress Oct 01 10:56:05 <galderz> so how on earth does it discover several instances in diff nodes? Oct 01 10:57:22 <pilhuhn> you could in the Discovery component e.g. sweep a whole subnet. Just do a loop for each IP, and if an ispn instance is found, create one DiscoveredResourceDetails object per instance found and return all of those instances Oct 01 10:58:25 <pilhuhn> or you could, if you have found one, (require one to start at localhost) ask this ispn instance for connection data of other instances in the grid and then create the DiscoveredResourceDetails objects for all of those Oct 01 10:58:28 <galderz> right, so the connector address is no longer a simple property Oct 01 10:58:38 <galderz> but makes sense to implement it as a list property Oct 01 10:58:45 <pilhuhn> no Oct 01 10:59:13 <pilhuhn> each resource runs in a separate context. per resource we instantiate one IspnComponent class Oct 01 10:59:32 <pilhuhn> with its own set of values for the plugin config Oct 01 10:59:49 <galderz> i don't get this Oct 01 10:59:57 <galderz> the plugin runs in an agent Oct 01 11:00:01 <galderz> that executes the discoveru Oct 01 11:00:05 <pilhuhn> yes Oct 01 11:00:13 <galderz> how do u past a list of ispn isstance urls to that plugin? Oct 01 11:00:20 <galderz> so that discovery can act on each of them? Oct 01 11:00:34 <pilhuhn> ah ok, yes that could be done via list Oct 01 11:00:37 <galderz> i.e. node1:6996, node2:6996...etc Oct 01 11:00:43 <pilhuhn> But then the user needs to provide the list Oct 01 11:00:59 <galderz> via a sys property Oct 01 11:01:14 <pilhuhn> what I was thinking is that you require 1 ispn instance on the host, the agent runs on. Oct 01 11:01:15 <galderz> it's not uncommon to have properties that act either as single value or lists Oct 01 11:02:01 <galderz> i..e tcpping host names Oct 01 11:02:09 <galderz> the possibilities are varios here, i agree Oct 01 11:02:17 <pilhuhn> ispn should know its topology? Oct 01 11:02:30 <galderz> ispn knows about the cluster Oct 01 11:02:37 <galderz> but an agent could be managing diff clusters Oct 01 11:02:40 <galderz> that don't talk to each other Oct 01 11:03:02 <galderz> anyway, this requires further thought Oct 01 11:03:22 <galderz> the easiest way is simply: 1 agent, 1 ispn instance Oct 01 11:03:38 <pilhuhn> yes Oct 01 11:04:00 <galderz> i'll suggest diff solutions in the list and see which ones make most sense to implement before GA -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 6 months

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[JBoss JIRA] Created: (ISPN-129) Ability to manage cluster-wide configuration via a central management console

by Manik Surtani (JIRA)

Ability to manage cluster-wide configuration via a central management console ----------------------------------------------------------------------------- Key: ISPN-129 URL: https://jira.jboss.org/jira/browse/ISPN-129 Project: Infinispan Issue Type: Feature Request Components: JMX, reporting and management Reporter: Manik Surtani Assignee: Manik Surtani Fix For: 5.0.0.GA Perhaps a lightweight form of JBoss AS' profile service, or something similar. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 6 months

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[JBoss JIRA] Created: (ISPN-127) Ability to bring up/take down nodes based on SLAs

by Manik Surtani (JIRA)

Ability to bring up/take down nodes based on SLAs ------------------------------------------------- Key: ISPN-127 URL: https://jira.jboss.org/jira/browse/ISPN-127 Project: Infinispan Issue Type: Feature Request Components: JMX and reporting Reporter: Manik Surtani Assignee: Manik Surtani Fix For: 4.1.0.GA Need to look at what JOPR can provide by way of bringing up or killing instances based on overall load. Perhaps other metrics such as time of day could be used as well. Would be very useful to help build out a truly 'elastic' data grid. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 6 months

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[JBoss JIRA] Created: (ISPN-126) Management console to graph nodes visually

by Manik Surtani (JIRA)

Management console to graph nodes visually ------------------------------------------ Key: ISPN-126 URL: https://jira.jboss.org/jira/browse/ISPN-126 Project: Infinispan Issue Type: Feature Request Components: JMX and reporting Reporter: Manik Surtani Assignee: Manik Surtani Fix For: 4.1.0.GA This should also include colour coded visuals to report activity, status, health etc. Need to investigate what JOPR can provide here, via the agent. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 6 months

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[JBoss JIRA] Created: (ISPN-121) Create a cache store to work with GAE/J's JPA implementation

by Manik Surtani (JIRA)

Create a cache store to work with GAE/J's JPA implementation ------------------------------------------------------------ Key: ISPN-121 URL: https://jira.jboss.org/jira/browse/ISPN-121 Project: Infinispan Issue Type: Feature Request Components: Loaders and Stores Reporter: Manik Surtani Assignee: Manik Surtani Fix For: 4.1.0.BETA1, 4.1.0.GA A cache store that could store state on Google AppEngine for Java's JPA backend. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 6 months

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[JBoss JIRA] Created: (ISPN-221) Parse JPA-QL like DSL to generate Lucene Query objects for searching

by Manik Surtani (JIRA)

Parse JPA-QL like DSL to generate Lucene Query objects for searching -------------------------------------------------------------------- Key: ISPN-221 URL: https://jira.jboss.org/jira/browse/ISPN-221 Project: Infinispan Issue Type: Feature Request Components: Querying Reporter: Manik Surtani Assignee: Manik Surtani Fix For: 5.0.0.BETA1, 5.0.0.GA This will allow people to use JPA-QL to build queries rather than Lucene query objects. Will probably use an Antlr grammar, possibly reuse stuff from Hibernate? -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 9 months

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[JBoss JIRA] Created: (ISPN-194) Finalise Query API based on tech preview in 4.0.0

by Manik Surtani (JIRA)

Finalise Query API based on tech preview in 4.0.0 ------------------------------------------------- Key: ISPN-194 URL: https://jira.jboss.org/jira/browse/ISPN-194 Project: Infinispan Issue Type: Feature Request Reporter: Manik Surtani Assignee: Manik Surtani Fix For: 4.1.0.BETA1, 4.1.0.GA See ISPN-32 which is a tech preview of the query API. In addition to the dependencies set out in this JIRA, there is also a dependency on http://opensource.atlassian.com/projects/hibernate/browse/HSEARCH-397 -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 9 months

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[JBoss JIRA] Created: (ISPN-256) Enable Infinispan SPIs to implement their own commands

by Galder Zamarreno (JIRA)

Enable Infinispan SPIs to implement their own commands ------------------------------------------------------ Key: ISPN-256 URL: https://jira.jboss.org/jira/browse/ISPN-256 Project: Infinispan Issue Type: Feature Request Reporter: Galder Zamarreno Assignee: Galder Zamarreno Fix For: 4.1.0.BETA1 Much nicer IMHO would be a nice SPI / plug point to allow applications to extend the set of commands. Let an app create an ExtensionCommand; if that comes in off the channel pass it off to the handler the application registered. This could for example be used instead of the solution currently used in http://opensource.atlassian.com/projects/hibernate/browse/HHH-3818. In HHH-3818, the cache is used as a notification vehicle which is a bit of a hack and has some limitations for example when trying to implement a similar solution for evict(key) op. Another use case for it would be HTTP session ownership, from Brian Stansberry: (09:32:09 AM) brian_stansberry: ... it's just that only 1 server at a time s/b able to use a session (09:32:25 AM) brian_stansberry: so on failover i send an extension command requesting ownership (09:33:19 AM) brian_stansberry: there's actually a servlet spec requirement that only one server at a time access a session (09:33:23 AM) brian_stansberry: ejb spec too (09:33:37 AM) brian_stansberry: we don't properly handle that ... (09:34:18 AM) brian_stansberry: basically it's a lock ... (09:34:35 AM) brian_stansberry: that's all it is, a distributed lock (09:35:03 AM) brian_stansberry: but once you have the distributed lock it's yours until you give it up (09:35:29 AM) brian_stansberry: so once 1 request acquires it, subsequent requests to same server can just use a local lock ... (09:41:59 AM) brian_stansberry: the key thing is there should only be a cluster-wide operation once per session (09:42:11 AM) brian_stansberry: unless there is failover -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 9 months

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[JBoss JIRA] Created: (ISPN-272) recover from transaction failures

by Mircea Markus (JIRA)

recover from transaction failures --------------------------------- Key: ISPN-272 URL: https://jira.jboss.org/jira/browse/ISPN-272 Project: Infinispan Issue Type: Feature Request Components: Transactions Affects Versions: 5.0.0.GA Reporter: Mircea Markus Assignee: Manik Surtani We currently don't support any sort of recovery from transaction failures. E.g. tm.start(); database.delete(account); ispnCache.put(account); tm.commit(): At tm commit: -prepare is successful on both enlisted resources. - database.commit - fails What shall we do with the locks/state from ispnCache. Possible solutions: - configure to automatically commit/rollback after a timeout - keep locks on resources and allow manual intervention through JMX - others? -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: https://jira.jboss.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira

13 years, 9 months

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infinispan-issues January 2010