How can I view glock contention on a GFS2 filesystem in real-time in a RHEL 5, 6, or 7 Resilient Storage cluster?
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Introduction
GFS2 can have performance problems due to excessive glock contention, so analyzing glock usage is one strategy for solving many GFS2 performance problems. A glock is an inter-node lock used by the GFS2 file system to coordinate file system metadata (e.g. file) changes. This is accomplished with ...
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