[JBoss JIRA] Created: (ISPN-557) support for same transaction touching multiple nodes (multiple VMs)
by Mircea Markus (JIRA)
support for same transaction touching multiple nodes (multiple VMs)
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Key: ISPN-557
URL: https://jira.jboss.org/browse/ISPN-557
Project: Infinispan
Issue Type: Feature Request
Components: Transactions
Reporter: Mircea Markus
Assignee: Manik Surtani
Fix For: 5.1.0.Final
E.g. if a distributed transaction managers touches two embedded Infinispan nodes within the same transaction.
Could be implemented using the Hot Rod client approach - but in an embedded fashion!
EmbeddedClient <-- implements logic above
Except comms are in-VM for local entries
And via RpcDispatcher for remote entries
RemoteClient extends EmbeddedClient
Adds proper HotRod layer for comms
Including failover, smart routing, etc.
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12 years, 3 months
[JBoss JIRA] Created: (ISPN-1090) Hot Rod protocol improvements for version 2
by Galder Zamarreño (JIRA)
Hot Rod protocol improvements for version 2
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Key: ISPN-1090
URL: https://issues.jboss.org/browse/ISPN-1090
Project: Infinispan
Issue Type: Enhancement
Components: Cache Server
Reporter: Galder Zamarreño
Assignee: Galder Zamarreño
Fix For: 5.1.0.BETA1, 5.1.0.Final
This JIRA will act as a place to keep track of enhancements to the Hot Rod protocol that should be included in version 2 of the protocol:
- We need a new error status code so that clients can detect when a node has been suspected and so react accordingly (i.e. not bubble it up but instead failover). Currently, this can be solved by checking whether the error message contains SuspectException but this is not nice.
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12 years, 3 months
[JBoss JIRA] (ISPN-1988) coalesce same key writes within a transaction
by Mircea Markus (JIRA)
Mircea Markus created ISPN-1988:
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Summary: coalesce same key writes within a transaction
Key: ISPN-1988
URL: https://issues.jboss.org/browse/ISPN-1988
Project: Infinispan
Issue Type: Feature Request
Components: Transactions
Affects Versions: 5.1.4.FINAL
Reporter: Mircea Markus
Assignee: Mircea Markus
Fix For: 5.2.0.FINAL
Following code run with optimistic caches:
start tx
put k, v1
put k, v2
put k, v3
commit
Would cause the PrepareCommand that is sent around to contain 3 PutKeyvalueCommands which is sub-optimal. What we can do is to only send the last written value (i.e. k v3) and ignore the previous two (reuse the code in AsyncCacheStore). Besides reducing the payload, from this would benefit the AtomicHashMaps which uses this code quite a lot and also the OptimisticLockingInterceptor which would not attempt to order the keys.
I guess this should be a feature that is disabled by default, as I don't think it is required in general. Might as well be not configurable, enabled by default feature. Comments?
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12 years, 3 months
[JBoss JIRA] Created: (ISPN-1116) Version-aware InternalCacheEntries
by Manik Surtani (JIRA)
Version-aware InternalCacheEntries
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Key: ISPN-1116
URL: https://issues.jboss.org/browse/ISPN-1116
Project: Infinispan
Issue Type: Feature Request
Components: Core API
Reporter: Manik Surtani
Assignee: Manik Surtani
Fix For: 5.1.0.BETA1, 5.1.0.Final
This is to support a number of things including eventual consistency as well as tombstones for deleted entries. Further, this version would need to be used when doing MVCC concurrent write comparisons for write skews (and not just a reference check which is done at the moment).
This also would need to be able to use versions provided in a value's metadata (see ISPN-1103)
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12 years, 3 months