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