[JBoss JIRA] (RTGOV-380) Support RTGov UI in Karaf
by Gary Brown (JIRA)
[ https://issues.jboss.org/browse/RTGOV-380?focusedWorklogId=12431106&page=... ]
Gary Brown logged work on RTGOV-380:
------------------------------------
Author: Gary Brown
Created on: 25/Apr/14 5:17 AM
Start Date: 25/Apr/14 5:17 AM
Worklog Time Spent: 4 days
Issue Time Tracking
-------------------
Remaining Estimate: 1 week, 1 day (was: 2 weeks)
Time Spent: 4 days
Worklog Id: (was: 12431106)
> Support RTGov UI in Karaf
> -------------------------
>
> Key: RTGOV-380
> URL: https://issues.jboss.org/browse/RTGOV-380
> Project: RTGov (Run Time Governance)
> Issue Type: Sub-task
> Reporter: Gary Brown
> Assignee: Gary Brown
> Fix For: 2.0.0.Final
>
> Original Estimate: 2 weeks
> Time Spent: 4 days
> Remaining Estimate: 1 week, 1 day
>
> Enable the new RTGov UI war to be deployed in Karaf.
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10 years, 8 months
[JBoss JIRA] (RTGOV-425) Persistent retry capability
by Gary Brown (JIRA)
[ https://issues.jboss.org/browse/RTGOV-425?page=com.atlassian.jira.plugin.... ]
Gary Brown updated RTGOV-425:
-----------------------------
Fix Version/s: 2.1.0.Final
(was: 2.0.0.Final)
> Persistent retry capability
> ---------------------------
>
> Key: RTGOV-425
> URL: https://issues.jboss.org/browse/RTGOV-425
> Project: RTGov (Run Time Governance)
> Issue Type: Feature Request
> Reporter: Gary Brown
> Assignee: Gary Brown
> Fix For: 2.1.0.Final
>
>
> In various parts of the rtgov architecture, information is reported to a remote service, and if that service is not available, the information is currently discarded.
> This task is to provide an infrastructure capability (as part of overlord-commons) that can store information that cannot currently be reported to the remote service, and have it replayed once the remote service becomes available.
> Some of the characteristics required are:
> * When the primary component (reporting the information to the remote sevice) first starts up, it should register itself with the "persistent retry" capability, providing a handler that can be used to retry sending information to the remote service.
> * When a failure occurs, attempting to send information to the remote service, the primary component will invoke the "persistent retry" capability to handle the information.
> * The persistent retry capability will store information in a persistent form (initially file system, but other dbs etc should be supported in the future).
> * When registering with the persistent retry capability, the primary component should be able to register a retry strategy. One implementation of such a strategy could be:
> ** Periodically attempt to send retry information to its remote service via the registered handler.
> ** If unsuccessful, then back off and wait for the next cycle.
> ** If successful, then schedule another task to send the next information for that service until either a failure occurs, in which case wait for the next retry cycle, or no further information exists. A thread pool should be used across all retry handlers.
> Investigate whether there are existing open source solutions for this problem. If not, then as part of building the solution, need to ensure that it is as efficient as possible in a multi-thread situation - so (for example) when looking at a persistent file system store, need to ensure that a suitable mechanism is used that caters for the multi-threaded updates (i.e. writing new records and clearing successfully retried records). Possibly a file based db may be one option to investigate.
> JUnit tests need to be written that test the solution in a multi-threaded scenario. Profiling should be performed to understand the impact of this component on normal operations, and also when retries are being performed concurrently with new information being reported.
> Places where this mechanism may be used:
> 1) Activity collector
> 2) ElasticSearch KeyValueStore
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10 years, 8 months
[JBoss JIRA] (RTGOV-336) Combine activities recorded across multiple threads
by Gary Brown (JIRA)
[ https://issues.jboss.org/browse/RTGOV-336?page=com.atlassian.jira.plugin.... ]
Gary Brown updated RTGOV-336:
-----------------------------
Original Estimate: 2 days
Remaining Estimate: 2 days
> Combine activities recorded across multiple threads
> ---------------------------------------------------
>
> Key: RTGOV-336
> URL: https://issues.jboss.org/browse/RTGOV-336
> Project: RTGov (Run Time Governance)
> Issue Type: Enhancement
> Reporter: Gary Brown
> Assignee: Gary Brown
> Priority: Minor
> Fix For: 2.0.0.Final
>
> Original Estimate: 2 days
> Remaining Estimate: 2 days
>
> When capturing activity events via proxies in JBoss Fuse, found that when a service returned an exception, it was handled in a separate thread.
> This resulted in two separate activity units, one for the activities up until the exception, and the other for the activities following the exception.
> This will cause issues with correlation currently, where request/response pairs are expected to be in the same activity unit.
> Two possible solutions:
> (1) work on the correlation of requests/responses across activity units - which will be useful in a wider range of cases.
> (2) enable activities across multiple threads to be combined - i.e. if a subsequent thread is new, allow its relationship with a previous activity event (e.g. the request) to link it to the same activity unit. Not sure of the implications on the API for this.
> This work is related to RTGOV-325.
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10 years, 8 months