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Matt Stancliff authored
Sentinel queries the INFO from every master and from every replica of every master. We can cache the INFO results in Sentinel so Sentinel can be a single place to quickly get all INFO output for an entire Sentinel monitoring group. This commit gives us SENTINEL INFO-CACHE in two forms: - SENTINEL INFO-CACHE — returns all masters and all replicas - SENTINEL INFO-CACHE master0 master1 ... masterN — vararg specify masters Results are returned as a multibulk reply with two top-level entries for each master. The first entry for each master is the name of the master. The second entry is a nested multibulk reply with the contents of INFO, first for the master, then an additional entry for each of the replicas.
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