Client built-in extension metrics

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Update time: 2024-09-18

Client built-in extension metrics

The extension modules currently in effect by default are lookout-ext-jvm and lookout-ext-os (from v1.5.0).

JVM thread

metric name metric tags specification
jvm.threads.totalStarted
jvm.threads.active
jvm.threads.peak
jvm.threads.daemon

JVM class loading

metric name metric tags specification
jvm.classes.unloaded
jvm.classes.loaded
jvm.classes.total

JVM memory

metric name metric tags specification
jvm.memory.heap.init
jvm.memory.heap.used
jvm.memory.heap.max
jvm.memory.heap.committed

JVM garbage recycling

metric name metric tags specification
jvm.gc.young.time
jvm.gc.young.count
jvm.gc.old.time
jvm.gc.old.count

Machine file system information

metric name metric tags specification
instance.file.system.free.space root(the available filesystem roots)
instance.file.system.total.space root
instance.file.system.usabe.space root

Machine information

metric name metric tags specification
instance.mem.free
instance.mem.total
instance.processors
instance.uptime
instance.systemload.average

Linux operating system information (enabled by default after version 1.5.0)

metric name metric tags specification
os.systemload.average.1min
os.systemload.average.5min
os.systemload.average.15min
os.cpu.idle
os.cpu.iowait
os.cpu.irq
os.cpu.nice
os.cpu.softirq
os.cpu.system
os.cpu.user
os.disk.usage.percent.used device,root,type
os.disk.usage.total.bytes device,root,type
os.disk.usage.used.bytes device,root,type
os.net.stats.in.bytes intfc
os.net.stats.in.compressed intfc
os.net.stats.in.dropped intfc
os.net.stats.in.errs intfc
os.net.stats.in.fifo.errs intfc
os.net.stats.in.frame.errs intfc
os.net.stats.in.multicast intfc
os.net.stats.in.packets intfc
os.net.stats.out.bytes intfc
os.net.stats.out.carrier.errs intfc
os.net.stats.out.collisions intfc
os.net.stats.out.compressed intfc
os.net.stats.out.dropped intfc
os.net.stats.out.errs intfc
os.net.stats.out.fifo.errs intfc
os.net.stats.out.packets intfc
os.memory.stats.buffers.bytes >= 1.5.3
os.memory.stats.cached.bytes >= 1.5.3
os.memory.stats.free.bytes >= 1.5.3
os.memory.stats.total.bytes >= 1.5.3