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fix pid pressure 

Signed-off-by: Weiping Cai <weiping.cai@daocloud.io>
pull/26256/head
Weiping Cai 2021-01-27 11:03:58 +08:00
parent 55426e8cc7
commit 6f777c9e64
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content/en/docs/tasks/administer-cluster/out-of-resource.md
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@ -117,9 +117,10 @@ The `kubelet` has the following default hard eviction threshold:
* `memory.available<100Mi`
* `nodefs.available<10%`
* `nodefs.inodesFree<5%`
* `imagefs.available<15%`
On a Linux node, the default value also includes `nodefs.inodesFree<5%`.
### Eviction Monitoring Interval
The `kubelet` evaluates eviction thresholds per its configured housekeeping interval.
@ -140,6 +141,7 @@ The following node conditions are defined that correspond to the specified evict
|-------------------|---------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------|
| `MemoryPressure` | `memory.available` | Available memory on the node has satisfied an eviction threshold |
| `DiskPressure` | `nodefs.available`, `nodefs.inodesFree`, `imagefs.available`, or `imagefs.inodesFree` | Available disk space and inodes on either the node's root filesystem or image filesystem has satisfied an eviction threshold |
| `PIDPressure` | `pid.available` | Available processes identifiers on the (Linux) node has fallen below an eviction threshold | |
The `kubelet` continues to report node status updates at the frequency specified by
`--node-status-update-frequency` which defaults to `10s`.