Database Reference
In-Depth Information
sample#index-cache-hit-rate : The rate of the lookups index provided by the
shared buffer cache, rounded to 5 decimal points.
sample#table-cache-hit-rate : The rate of table lookups provided by the shared
buffer cache, rounded to 5 decimal points.
sample#waiting-connections : Connection numbers waiting to be purchased. If
many connections are waiting, this can be a sign of database concurrence mis-
treated.
sample#load-avg-1m , sample#load-avg-5m and sample#load-avg-15m : The
system load average within 1 minute, 5 minutes, and 15 minutes, divided by the
number of available CPUs.
sample#read-iops and sample#writes-iops : The number of reads and writes for
each block of 16 KB of I/O.
sample#memory-total : Total available memory in KB.
sample#memory-free : Total free memory in KB.
sample#memory-cached : Total cache memory in KB.
sample#memory-postgres : Approximate total of memory used by PostgreSQL
in KB.
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