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I just had a look in the LogStorageAppener and was wondering how this works.
In the `LogStorageAppender` we consume the dispatcher and pass the blocks to the distributed log. After calling the asyn…
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when we switch to `org.apache.heron.statefulstorage.dlog.DlogStorage` as the stateful topology state storage backend, the checkpointing manager is always throwing exception when it tries to save state…
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**Describe the bug**
We build a cluster using the zeebe helm chart, it runs for a period of time, then suddenly crashes with the errors below.
**To Reproduce**
- build a cluster using the zeeb…
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```
java.util.ConcurrentModificationException
at java.util.Hashtable$Enumerator.next(Hashtable.java:1387)
at java.util.Spliterators$IteratorSpliterator.tryAdvance(Spliterators.java:1812)
at jav…
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**While deploying Pravega-Operator Observing Bookie restart with error "BookieException$CookieNotFoundException"**
Environment details: PKS / K8 with medium cluster:
```
3 master: xlarge: 4 CP…
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What I did:
- stress zeebe cluster til one node bails
- hard restart the node, i.e. `kubectl delete pod`
What happend:
```
14:42:45.097 [] [raft-server-raft-atomix-partition-1-state] DEBUG io.z…
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**BP**
This is the master ticket for tracking BP-26 :
DistributedLog is an extension of Apache BookKeeper, which offers *reopenable* log streams as its storage primitives. It is tightly built ov…
sijie updated
5 years ago
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Atomix takes periodic backup of the primitives. When a follower is lagging behind, instead of sending all the log entries, Raft sends this backup to save time and network bandwidth. Raft assumes the b…
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After Dlog bump bk version to 4.6, the LocalDLMEmulator in shaded/bkshade jar can't start bk. The problem is from [bump-bk](https://github.com/apache/distributedlog/issues/197). But the effected is o…
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Rack-aware policy can be used to place bookies on different racks/AZ/regions.
Brokers can be isolated in racks/AZ/regions with a namespace-isolation-policy (#3104). With this cross-dc bandwidth can b…