Variable number of percentiles for pt-query-digest

Registered by Frank Cizmich on 2014-09-16

New option --percentiles. This will permit gathering info about multiple percentiles other than the default 95% for the different collected query parameters.
e.g: pt-query-digest --percentiles 80,95,98 <slow_log_file>
example output:
# Attribute pct total min max avg 80% 95% 98% stddev median
# ============ === ======= ======= ======= ======= ======= ======= ======= ======= =======
# Count 100 17744
# Exec time 100 8848554s 1s 1000s 499s 793s 918s 964s 281s 487s
# Lock time 100 871522s 0 99s 49s 76s 93s 93s 28s 47s

Blueprint information

Status:
Complete
Approver:
Frank Cizmich
Priority:
Undefined
Drafter:
Frank Cizmich
Direction:
Approved
Assignee:
Frank Cizmich
Definition:
Approved
Series goal:
Accepted for 2.3
Implementation:
Implemented
Milestone target:
None
Started by
Frank Cizmich
Completed by
Frank Cizmich

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