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I'm on a cheap $5/month vps with only 2GB of ram. I wouldn't be surprise if it's caused by the oomkiller, but I seem to still have some free ram according to grafana. Any other metrics I could check?
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Replies: 8 comments 11 replies
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@bbigras how are you starting up redpanda. for that kind of setup, i'd do
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I wasn't using If I try using I'm probably low on ram since I run other stuff on that vps, but it's weird that it's a round number. |
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@bbigras - that's why you need the --overprovisioned. |
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here is how i run it on docker when testing obviously, docker doesn't have permanent storage, but these are some settings i suggest setting for small environments. it should work even on the $5/mo VPS |
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@bbigras let me know if it answers your question. I'm also turning this ticket into a 'discussion' type, rather an an issue. |
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Same thing with 1G. I'll try 1.5G next.
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with: I get: |
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correct. |
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It seems that the connection issue to .125 was causing redpanda to shutdown. If I use EDIT: I'm still testing. I'm not able to reproduce the fix yet. Is that a bug? Also, |
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This shouldn't be necessary. To me looks like you had a cluster, something happened, the IP's changed and redpanda thinks there should be multiple nodes, the configuration stored in raft, and so it looks like an error where the configuration is now lying (in the technical sense) to redpanda on what should be in teh cluster and ther eis some weird reconciliation thing happening. Can you post your redpanda.yaml
that's a seastar bug, we'll push a fix upstream for that later. |
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Note that my config file might have chanced since I had to clear all the redpanda files to fix a problem in my application. Could changing And it seems that redpanda doesn't restart since I added the iptables line and I also had to allow the connection on the config_file: /etc/redpanda/redpanda.yaml
node_uuid: RPbk4nodeN5D9BvvTGb2bGSyAmrLfvJ5t9qdt1uQpuGhSMztr
pandaproxy: {}
redpanda:
admin:
- address: 0.0.0.0
port: 9644
advertised_kafka_api:
- address: 10.243.88.125
port: 9092
auto_create_topics_enabled: true
data_directory: /var/lib/redpanda/data
developer_mode: true
kafka_api:
- address: 0.0.0.0
port: 9092
node_id: 1
rpc_server:
address: 0.0.0.0
port: 33145
seed_servers: []
rpk:
coredump_dir: /var/lib/redpanda/coredump
enable_memory_locking: false
enable_usage_stats: true
overprovisioned: true
tune_aio_events: false
tune_clocksource: false
tune_coredump: false
tune_cpu: false
tune_disk_irq: false
tune_disk_nomerges: false
tune_disk_scheduler: false
tune_disk_write_cache: false
tune_fstrim: false
tune_network: false
tune_swappiness: false
tune_transparent_hugepages: false |
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Ah! Some things are immutable. You cannot change the identity of the server, ever. Most raft implementations do not have Byzantine failure protection since it requires an additional around of requests. So node Id is immutable |
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@bbigras - have you tested any recent release - 21.5.6 or the like. |
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I didn't have a problem since my last post. IIRC I'm using |
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great. good to know. what app are you building these days? |
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I use redpanda to parse log files from 2 multiplayer fps games servers. It's still at the experimental stage. One of the reason is that some events in the log are not super user-friendly. |
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here is how i run it on docker when testing
obviously, docker doesn't have permanent storage, but these are some settings i suggest setting for small environments. it should work even on the $5/mo VPS