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"Memory usage " の情報が squidclient から報告されなくなる

Solution In Progress - Updated -

Issue

squid パッケージを 3.5.20 にアップデートすると、squidclient コマンドが今までは取得できたメモリー関連の情報を取得しません。

アップデート前には以下のように「 Memory usage for squid via mallinfo() 」での情報の取得が可能でした。

# squidclient -p 3128 mgr:info

(中略)
Resource usage for squid:
    UP Time:    2.888 seconds
    CPU Time:   0.050 seconds
    CPU Usage:  1.73%
    CPU Usage, 5 minute avg:    0.00%
    CPU Usage, 60 minute avg:   0.00%
    Process Data Segment Size via sbrk():3476 KB
    Maximum Resident Size:52416 KB
    Page faults with physical i/o:0
Memory usage for squid via mallinfo():
    Total space in arena:    3608 KB
    Ordinary blocks:         3532 KB      2 blks
    Small blocks:               0 KB      0 blks
    Holding blocks:          9488 KB      7 blks
    Free Small blocks:          0 KB
    Free Ordinary blocks:      75 KB
    Total in use:           13021 KB 99%
    Total free:                75 KB 1%
    Total size:             13096 KB
Memory accounted for:
    Total accounted:          190 KB 1%
    memPool accounted:        189 KB 1%
    memPool unaccounted:    12906 KB 99%
    memPoolAlloc calls:       431
    memPoolFree calls:        439
(中略)

しかし、この「 Memory usage for squid via mallinfo() 」情報は、3.5.20 にアップデートすると提供されません。

 # squidclient -p 3128 mgr:info

(中略)
Resource usage for squid:
    UP Time:    5951.270 seconds
    CPU Time:   1.999 seconds
    CPU Usage:  0.03%
    CPU Usage, 5 minute avg:    0.03%
    CPU Usage, 60 minute avg:   0.03%
    Maximum Resident Size:390256 KB
    Page faults with physical i/o:0
Memory accounted for:
    Total accounted:         2507 KB
    memPoolAlloc calls:     94896
    memPoolFree calls:      95099
(中略)

Environment

  • Red Hat Enterprise Linux 7
  • squid 3.5.20

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