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1) Add lookback support in kernel monitor. After started, Kernel monitor
will check some old logs to detect problems which happened before last
node reboot.
2) Add `lookback` and `startPattern` in kernel monitor configuration.
  * `lookback` specifies how long time kernel monitor should look back.
  * `startPattern` specifies which log indicates the node is started.
  kernel monitor will clear all current node conditions once it finds
  a node start log. This makes sure that old problems won't change the
  node condition.
3) Add support for kernel panic monitoring, the null pointer and divide
0 kernel panic will be surfaced as event. Usually kernel monitor will
report these events during looking back phase.
This commit is contained in:
Lantao Liu
2016-06-23 22:54:47 -07:00
parent 09af299a88
commit 532f933bd8
12 changed files with 249 additions and 114 deletions
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2
node_problem_detector.go
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@@ -24,7 +24,7 @@ import (
)
var (
kernelMonitorConfigPath = flag.String("kernel-monitor", "/config/kernel_monitor", "The path to the kernel monitor config file")
kernelMonitorConfigPath = flag.String("kernel-monitor", "/config/kernel_monitor.json", "The path to the kernel monitor config file")
)
func main() {