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HPCC-32195 Document regex cache expert setting in helm chart #18845

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9 changes: 9 additions & 0 deletions helm/hpcc/docs/expert.md
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,8 @@ global:
time: 200
interval: 75
probes: 9
regex:
cacheSize: 500
```

NB: Some components (e.g. DfuServer and Thor) also have an 'expert' settings area (see values schema) that can be used for relavent settings
Expand Down Expand Up @@ -73,6 +75,13 @@ service via remote file reads with the ~remote:: syntax.
Setting expert.allowForeign to true, enables foreign access for compatibility with legacy bare-metal environments
that have their Dali and Dafilesrv's open.

## regex (cacheSize: unsigned)

See the regex example above. If set, this should be added at the global level.
The default value is 500. Set to zero to disable the cache.
This value is applied at the process level: Each Thor worker, Roxie process, and hthor worker receives
its own cache. Threads/channels within a process share that process's cache.


# Plane Expert Settings

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