
High latency between I/O requests can be a sign of issues. Collecting disk metrics can help detect those issues. Windows / Hyper-V Server 2012 R2 can collect those metrics. This patch adds a disk latency metrics implementation for the Hyper-V Inspector as well as disk latency and per device latency pollsters. DocImpact Change-Id: I1621fc7d4226ae1f46cdfca878e8b52487ca4379 Implements: blueprint hyper-v-disk-latency-metrics
ceilometer
See the ReleaseNotes document and the project home for more info.
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