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Comment:basic stats capture working
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Timelines: family | ancestors | descendants | both | v1.81-journal-based-throttling
Files: files | file ages | folders
SHA1: f86e5d30825f641f34dfd784de02f1e7e7c6faa6
User & Date: matt on 2024-07-10 03:20:32
Other Links: branch diff | manifest | tags
Context
2024-07-10
09:17
Added docs/csirc which works with both chicken 4 and 5 check-in: e75a04de3e user: mrwellan tags: v1.81-journal-based-throttling
03:20
basic stats capture working check-in: f86e5d3082 user: matt tags: v1.81-journal-based-throttling
2024-07-09
20:07
wip check-in: 62d878791d user: matt tags: v1.81-journal-based-throttling
Changes

Modified tcp-transportmod.scm from [1868d597df] to [2f9da6d8df].

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		 (equal? (address-info-type x) "tcp"))
	       (address-infos (get-host-name)))))

;;======================================================================
;; Other Utils
;;======================================================================





;; 1.db => (10 . 9) ;; (total . hits)

(define *journal-stats* (make-hash-table))

;; monte-carlo-esque random sampling of journal files
;; for all the files:
;;   if .journal
;;      update stats +1 +1
;;      update stats +1  0
;;
(define (tt:write-load-tracking dbdir)
  (let* ((cs  (current-seconds))
	 (key (inexact->exact (quotient cs 10))))

















    (directory-fold










     dbdir 
     (lambda (res fname)
       (cons fname res))
     '())))












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		 (equal? (address-info-type x) "tcp"))
	       (address-infos (get-host-name)))))

;;======================================================================
;; Other Utils
;;======================================================================

(defstruct jstats
  (count 0)
  (jcount (make-hash-table)) ;; 1.db => journal_count
  )

;; timeblk => jstats
(define *journal-stats* (make-hash-table))

;; monte-carlo-esque random sampling of journal files
;; for all the files:
;;   if .journal
;;      update stats +1 +1
;;      update stats +1  0
;;
(define (tt:write-load-tracking dbdir)
  (let* ((cs    (current-seconds))
	 (key   (inexact->exact (quotient cs 10)))
	 (old   (- key 4)) ;; 4 x 10 seconds ago
	 (jstat (if (hash-table-exists? *journal-stats* key)
		    (hash-table-ref *journal-stats* key )
		    (let ((new (make-jstats)))
		      (hash-table-set! *journal-stats* key new)
		      new))))
    ;; clear out records over 30s old
    (for-each
     (lambda (key)
       (if (< key old)
	   (hash-table-delete! *journal-stats* key)))
     (hash-table-keys *journal-stats*))

    ;; increment our count of observations
    (jstats-count-set! jstat (+ (jstats-count jstat) 1))
    
    ;; now find and increment journal file counts
    (directory-fold
     (lambda (fname res)
       ;; is it a journal file?
       (let ((parts (string-match "^(.*\\.db)-journal.*" fname)))
	 (match parts
	   ((_ dbfname)
	    (hash-table-set! (jstats-jcount jstat) dbfname
			     (+ (hash-table-ref/default (jstats-jcount jstat) dbfname 0) 1)
			     ))
	   )))
     '()
     dbdir 


     )))

;; megatest> (import tcp-transportmod)
;; megatest> (tt:write-load-tracking ".mtdb")
;; megatest> (hash-table-keys *journal-stats*)
;; (172060297)
;; megatest> (jstats->alist (hash-table-ref *journal-stats* 172060297))
;; ((count . 1) (jcount . #<hash-table (1)>))
;; megatest> (jstats-jcount (hash-table-ref *journal-stats* 172060297))
;; #<hash-table (1)>
;; megatest> (hash-table->alist (jstats-jcount (hash-table-ref *journal-stats* 172060297)))
;; (("1.db" . 4))

)