48 questions
Best practices
0
votes
2
replies
121
views
Rebalancing Traffic In Leaderless Distributed Architecture
Using Go I am creating an in-memory distributed store similar to Cassandra.
I have concept of storage_node with get_by_key and put_key_value. When a new node starts it starts to gossip with a seed ...
- 1
1
vote
0
answers
109
views
Issue with using hashicorp's memberlist on two different computers
i have a problem
I have made a program that uses hashicorp's memberlist gossip protocol, to connect between clients and send data. When i am running two clients on the same computer, it works just ...
0
votes
1
answer
102
views
Java | Socket timeout behavior not properly working for multithreading
I am developing a simple gossip udp system for a college project where end users should first initialize their own peer network configuration (ip:port) and also set up the network configuration for ...
- 83
1
vote
2
answers
616
views
How much impact does the number of Cassandra seed nodes have on network traffic?
I am basically wondering how big of an impact the number of seed nodes plays in network traffic.
I have a 16-node cluster with 3 seed nodes and I am trying to keep the gossip-traffic as less as ...
- 520
1
vote
1
answer
1k
views
Some Cassandra nodes show DN - gossip information is not unanimous
I have a 16-node Cassandra cluster (3.11.9) with 3 seed nodes (.54, .115 and 164), replication factor 3 and gc_grace_seconds 10 days(default). Some nodes show DN on some other nodes but on other nodes ...
- 520
1
vote
1
answer
292
views
Cassandra write/read protocol between nodes
Could some one help me understand what protocol nodes use when they talk to each other at the time of write and read e.g. a Client connects to a coordinator node for write, then coordinator node ...
- 23
0
votes
1
answer
216
views
How HashGraph Gossip Protocol Works?
I read HashGraph paper https://www.swirlds.com/downloads/SWIRLDS-TR-2016-01.pdf and view "The HashGraph Protocol" https://www.youtube.com/watch?v=BAfsN3NW2Zg&list=PLr-...
2
votes
0
answers
406
views
Bitnami Consul Gossip encryption
I'm trying to get gossip encryption enabled on a local cluster running the bitnami/consul image.
I have created the containers with CONSUL_GOSSIP_ENCRYPTION: 'true' and CONSUL_GOSSIP_ENCRYPTION_KEY ...
- 21
1
vote
0
answers
304
views
Implementing Gossip Protocol: Sending membership table results in garbage values being received
I'm trying to implement a Gossip style membership protocol for an online cloud computing course assignment, and I've run into a strange issue. When members enter the network, they report to an '...
- 11
2
votes
1
answer
1k
views
gossip.discovery Closing connection to Endpoint?
I've created a network with 2orgs each one with 2peers and 1ca.
After creating the network, the error that I get is:
peer0.org2.example.com|2020-01-30 06:30:18.279 UTC [gossip.comm] func1 -> WARN ...
0
votes
1
answer
177
views
Is decentralized communication between 3+ computers in a network possible in python?
So I've been racking my brain trying to implement a system in which computers on a network (where there are always three or more computers on the network) are able to asynchronously communicate with ...
- 117
1
vote
2
answers
992
views
Is It Possible for Cassandra to Return an Inconsistent Value?
I am very new to Cassandra and I am wondering, is it possible for Cassandra to return an inconsistent value?
For example, say we have six node cluster.
LOCAL_QUORUM = (replication_factor/2) + 1
...
user1870035
2
votes
0
answers
76
views
Akka-Cluster: indirectly connected member does not receive UnreachableMember event about himself
There's something I'm trying to understand about failure detection and the gossip of the detection.
A multi-jvm test I wrote seems to show that a member that has been detected as failed but still ...
- 1,367
3
votes
0
answers
326
views
How to make sense of heartbeat in cassandra's nodetool's gossipinfo?
When I did nodetool gossipinfo on one of the nodes on cassandra server, I got the following output,
/192.168.0.36
generation:1504926520
heartbeat:2147483647
DC:datacenter1
STATUS:shutdown,...
0
votes
1
answer
492
views
Cassandra nodetool status down and generation time very old
Our cassandra cluster went down. It was not maintained properly. The nodetool status from each node is different. So, when I tried the gossip info, the generation timestamp if very old.
/192.168.0.35
...