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https://issues.apache.org/jira/browse/CASSANDRA-17062?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17767275#comment-17767275
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Stefan Miklosovic commented on CASSANDRA-17062:
-----------------------------------------------
I moved this forward here (1)
We got new auth caches in the meanwhile - CIDR auth cache and Identity cache
from Mutual TLS authenticator (both if enabled) so I exposed them too if
configured.
The original patch was also propagating these metrics to nodetool info because
there are currently caches like key / row / counter / network cache but I do
not like that we are exposing it in this nodetool command. It just does not
feel natural. I think that it is just better to have it only in cqlsh so I can
remove them if we agree on that.
It would be great to have some review! ([~samt] I know you are busy ...)
[~bereng] I see you among watchers, maybe you would give it a shot? [~paulo]
likewise.
{code}
$ ./bin/nodetool info
ID : c8be5408-d1b1-433f-b124-6b7a8c76b1bb
Gossip active : true
Native Transport active : true
Load : 252.6 KiB
Uncompressed load : 332.68 KiB
Generation No : 1695240794
Uptime (seconds) : 42
Heap Memory (MB) : 243.66 / 989.88
Off Heap Memory (MB) : 0.00
Data Center : datacenter1
Rack : rack1
Exceptions : 0
Key Cache : entries 11, size 984 bytes, capacity 46 MiB, 104
hits, 118 requests, 0.881 recent hit rate, 14400 save period in seconds
Row Cache : entries 0, size 0 bytes, capacity 0 bytes, 0 hits, 0
requests, NaN recent hit rate, 0 save period in seconds
Counter Cache : entries 0, size 0 bytes, capacity 23 MiB, 0 hits, 0
requests, NaN recent hit rate, 7200 save period in seconds
Network Cache : size 8 MiB, overflow size: 0 bytes, capacity 61 MiB
Credentials Cache : entries 1, capacity 1000, 1 hits, 2 requests, 0.500
recent hit rate
JMX Permissions Cache : entries 0, capacity 1000, 0 hits, 0 requests, NaN
recent hit rate
Network Permissions Cache: entries 1, capacity 1000, 30 hits, 32 requests,
0.938 recent hit rate
Permissions Cache : entries 1, capacity 1000, 2 hits, 17 requests, 0.118
recent hit rate
Roles Cache : entries 1, capacity 1000, 37 hits, 39 requests,
0.949 recent hit rate
CIDR Permissions Cache : entries 1, capacity 1000, 30 hits, 32 requests,
0.938 recent hit rate
Percent Repaired : 100.0%
Token : (invoke with -T/--tokens to see all 16 tokens)
Bootstrap state : COMPLETED
Bootstrap failed : false
Decommissioning : false
Decommission failed : false
{code}
(1) https://github.com/apache/cassandra/pull/2710
> Expose Auth Caches metrics
> --------------------------
>
> Key: CASSANDRA-17062
> URL: https://issues.apache.org/jira/browse/CASSANDRA-17062
> Project: Cassandra
> Issue Type: Improvement
> Components: Feature/Virtual Tables, Observability/Metrics,
> Tool/nodetool
> Reporter: Aleksei Zotov
> Assignee: Stefan Miklosovic
> Priority: Normal
> Fix For: 5.x
>
> Time Spent: 10m
> Remaining Estimate: 0h
>
> Unlike to other caches (row, key, counter), Auth Caches lack some monitoring
> capabilities. Here are a few particular changes to get this inequity fixed:
> # Add auth caches to _system_views.caches_ VT
> # Expose auth caches metrics via JMX
> # Add auth caches details to _nodetool info_
>
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