[Geoserver-devel] [JIRA] (GEOS-9191) FileSystemWatcher: 100% CPU usage while idle running on a large data directory

GeoServer GeoServer Developer
1

Gabriel Roldan created an issue

GeoServer / BugGEOS-9191

FileSystemWatcher: 100% CPU usage while idle running on a large data directory

Issue Type:

BugBug

Affects Versions:

2.15.0

Assignee:

Unassigned

Attachments:

jvisualvm_FileSystemWatcher.png

Components:

Configuration

Created:

28/Apr/19 4:27 PM

Priority:

MediumMedium

Reporter:

Gabriel Roldan

Running against a large data directory (my test one currently having 100 workspaces and 89k shapefile stores/layers) leads to a constant 100% usage on one CPU core (which one varies every a handful of seconds).

Inspecting with jvisualvm reveals the FileSystemWatcher-1 thread is constantly busy, even with https://github.com/geoserver/geoserver/pull/3451 applied which returns the number of watched resources to a minimum.

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