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How does mgr:mem headers match columns?

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Hi all,

Looks like mgr:mem in squid 3.1.6 mainly contains 19 columns of data.
What are the corresponding 19 headers? The following is a copy of
mgr:mem output with HTTP reponse headers removed.

Current memory usage:
Pool     Obj Size       Chunks
         Allocated                                       In Use
                              Idle                    Allocations
Saved                       Rate
         (bytes)        KB/ch    obj/ch (#)      used    free    part
  %Frag   (#)     (KB)    high (KB)       high (hrs)      %Tot
(#)      (KB)    high (KB)       high (hrs)      %alloc (#)      (KB)
  high (KB)      (#)      %cnt    %vol   (#)/sec
mem_node                 4136
                  1816806         7338193         7343525    44.61
96.520  1816591         7337325         7343525         44.61   99.988
 215     869     12687   231439642       0.713   14.164      162.627
Short Strings              40
                  2067947         80780   92855   323.31  1.062
2067236         80752   92855   323.31  99.966  711     28      1115
 -2147483648     60.643  11.646  15521.504
HttpHeaderEntry            56
                  943124  51578   59236   323.31  0.678   942777
51559   59236   323.31  99.963  347     19      641     -2147483648
 16.615  4.467   4235.878
StoreEntry                 96
                  432199  40519   40653   0.57    0.533   432179
40517   40653   0.57    99.995  20      2       89      115714759
 0.357   0.164   91.790
HttpReply                 256
                  90758   22690   26333   323.28  0.298   90731
22683   26333   323.28  99.970  27      7       252     366664564
 1.130   1.389   282.739
MemObject                 240
                  90718   21263   24685   323.28  0.280   90699
21258   24685   323.28  99.979  19      5       222     122547996
 0.378   0.435   93.210
LRU policy node            24
                  522757  12253   12253   0.02    0.161   522757
12253   12253   0.02    100.000         0       0       14
2965413         0.009   0.001   2.704
ClientInfo                352
                  29176   10030   14715   50.68   0.132   29176
10030   14715   50.68   100.000         0       0       2086    327943
 0.001   0.002   6.286
4K Buffer                4096
                  1831    7324    13904   23.05   0.096   1771
7084    13904   23.05   96.723  60      240     4700    86161630
 0.266   5.222   67.930
MD5 digest                 16
                  432199  6754    6776    0.57    0.089   432179
6753    6776    0.57    99.995  20      1       15      117537733
 0.362   0.028   93.142
cbdata MemBuf (13)         64
                  90785   5675    6586    323.28  0.075   90746
5672    6586    323.28  99.957  39      3       122     602259645
 1.856   0.570   466.320
HttpHdrCc                  40
                  56271   2199    2502    322.29  0.029   56248
2198    2502    322.29  99.959  23      1       22      216835326
 0.668   0.128   166.007
cbdata ConnStateData (16)         464
                          1831    830     1576    23.05   0.011
1771    803     1576    23.05   96.723  60      28      533
81626471        0.252   0.560   65.091
cbdata UFSStoreState (28)         176
                          3172    546     546     0.00    0.007
3168    545     546     0.00    99.874  4       1       19
8469616         0.026   0.022   2.771
cbdata store_client (23)          160
                          3235    506     756     24.05   0.007
3210    502     756     24.05   99.227  25      4       150
166276669       0.512   0.394   124.505
cbdata clientReplyContext (19)   4320
                          75      317     7944    280.51  0.004
43      182     7944    280.51  57.333  32      135     3983
128539774       0.396   8.217   99.361
cbdata ClientSocketContext (18)  4240
                          75      311     7797    280.51  0.004
43      179     7797    280.51  57.333  32      133     3909
128539767       0.396   8.064   99.361
cbdata DiskThreadsDiskFile (29)    88
                          3172    273     273     0.00    0.004
3168    273     273     0.00    99.874  4       1       10
8469616         0.026   0.011   2.771
HttpRequest              1648
                  118     190     6020    280.51  0.002   61 99
6020    280.51  51.695  57      92      3015    228949823       0.706
 5.583   182.973
2K Buffer                2048
                  54      108     3756    280.51  0.001   20 40
3756    280.51  37.037  34      68      2096    730415370       2.251
 22.134  574.670
cbdata ClientHttpRequest (17)    1440
                          75      106     2648    280.51  0.001
43      61      2648    280.51  57.333  32      45      1328
128539767       0.396   2.739   99.361
cbdata idns_query (10)   8680
                  8       68      98854   241.01  0.001   0  0
98854   241.01  0.000   8       68      81494   233444  0.001   0.030
 0.000
8K Buffer                8192
                  8       64      240     338.96  0.001   1  8
240     338.96  12.500  7       56      232     5769916         0.018
 0.699   2.433
Long Strings              512
                  85      43      967     23.19   0.001   41 21
967     23.19   48.235  44      22      466     386637382       1.192
 2.929   302.543
squidaio_small_bufs      4096
                  10      40      148     338.96  0.001   0  0
148     338.96  0.000   10      40      148     55373070        0.171
 3.356   9.193
Medium Strings            128
                  288     36      654     24.05   0.000   17 22
654     24.05   59.375  117     15      351     1179307856      3.634
 2.234   919.053
cbdata clientStreamNode (20)      128
                          150     19      471     280.51  0.000
86      11      471     280.51  57.333  64      8       236
256909628       0.792   0.487   198.722
16K Buffer               16384
                  1       16      64      2.05    0.000   1  16
64      2.05    100.000         0       0       48      2428    0.000
 0.001   0.000
cbdata HttpStateData (33)         296
                          43      13      764     24.17   0.000
15      5       764     24.17   34.884  28      9       354
100560497       0.310   0.440   83.612
fqdncache_entry           160
                  56      9       9       0.31    0.000   56 9
9       0.31    100.000         0       0       1       442     0.000
 0.000   0.000
cbdata FwdState (24)      152
                  54      9       420     23.17   0.000   20 3
420     23.17   37.037  34      6       193     100702817       0.310
 0.226   83.950
cbdata ConnectStateData (26)      152
                          54      9       280     280.51  0.000
20      3       280     280.51  37.037  34      6       133
100730685       0.310   0.227   83.950
cbdata peer (7)           920
                  7       7       7       574.40  0.000   7  7
7       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
FwdServer                  24
                  268     7       221     280.51  0.000   99 3
221     280.51  36.940  169     4       102     497990061       1.535
 0.177   417.788
cbdata CbDataList (36)     96
                  67      7       524     201.71  0.000   11 2
524     201.71  16.418  56      6       264     21911150        0.068
 0.031   7.773
cbdata netdbExchangeState (39)   4176
                          1       5       9       567.24  0.000
0       0       9       567.24  0.000   1       5       9       1516
 0.000   0.000   0.000
ipcache_entry             128
                  26      4       1458    241.01  0.000   19 3
1458    241.01  73.077  7       1       1202    233676  0.001   0.000
 0.000
aio_thread                 40
                  64      3       3       574.40  0.000   64 3
3       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ev_entry                   48
                  39      2       6       0.21    0.000   35 2
6       0.21    89.744  4       1       4       4645442         0.014
 0.003   1.960
cbdata acl_access (1)      56
                  32      2       2       574.40  0.000   32 2
2       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
cbdata BodyPipe (27)      136
                  10      2       31      24.18   0.000   2  1
31      24.18   20.000  8       2       22      17653361        0.054
 0.036   13.316
aio_ctrl                  112
                  11      2       5       338.96  0.000   0  0
5       338.96  0.000   11      2       5       65292063        0.201
 0.108   13.316
netdbEntry                168
                  7       2       2       431.20  0.000   7  2
2       431.20  100.000         0       0       0       0       0.000
 0.000   0.000
squidaio_micro_bufs       128
                  9       2       5       103.16  0.000   0  0
5       103.16  0.000   9       2       5       9915519         0.031
 0.019   4.123
aio_request               104
                  10      2       5       338.96  0.000   0  0
5       338.96  0.000   10      2       5       65292454        0.201
 0.100   13.316
cbdata ACLFilledChecklist (22)    304
                          3       1       2       121.54  0.000
1       1       2       121.54  33.333  2       1       2
362445777       1.117   1.630   278.143
ACLList                    24
                  37      1       1       574.40  0.000   37 1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
cbdata ReadRequest (30)    72
                  10      1       3       338.96  0.000   0  0
3       338.96  0.000   10      1       3       55373070        0.171
 0.059   9.193
net_db_name                32
                  22      1       1       535.66  0.000   22 1
1       535.66  100.000         0       0       0       0       0.000
 0.000   0.000
acl_ip_data                96
                  7       1       1       574.40  0.000   7  1
1       574.40  100.000         0       0       1       2       0.000
 0.000   0.000
cbdata PeerDigest (8)     216
                  3       1       1       574.40  0.000   3  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
relist                     80
                  7       1       1       574.40  0.000   7  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
cbdata generic_cbdata (32)         32
                          16      1       729     241.01  0.000
0       0       729     241.01  0.000   16      1       601
102188628       0.315   0.048   84.964
ACLStrategised             80
                  6       1       1       574.40  0.000   6  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
cbdata IoResult (31)       40
                  10      1       2       338.96  0.000   0  0
2       338.96  0.000   10      1       2       55373070        0.171
 0.033   9.193
UFSStoreState::_queued_read        40
                          9       1       2       103.16  0.000
0       0       2       103.16  0.000   9       1       2
6805366         0.021   0.004   1.419
cbdata http_port_list (2)         232
                          1       1       1       574.40  0.000
1       1       1       574.40  100.000         0       0       0
 0       0.000   0.000   0.000
cbdata ps_state (25)      224
                  1       1       1       574.40  0.000   0  0
1       574.40  0.000   1       1       1       100960916       0.311
 0.335   83.950
cbdata ErrorState (40)    216
                  1       1       8       0.63    0.000   0  0
8       0.63    0.000   1       1       8       169397  0.001   0.001
 0.000
ACLRegexData               16
                  13      1       1       574.40  0.000   13 1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
cbdata RemovalPolicy (3)          104
                          2       1       1       574.40  0.000
2       1       1       574.40  100.000         0       0       0
 0       0.000   0.000   0.000
ACLSourceIP                64
                  3       1       1       574.40  0.000   3  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLStrategised             80
                  2       1       1       574.40  0.000   2  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
link_list                  16
                  9       1       1       172.70  0.000   0  0
1       172.70  0.000   9       1       1       15898245        0.049
 0.004   4.123
UFSStoreState::_queued_write       32
                          4       1       2       172.70  0.000
0       0       2       172.70  0.000   4       1       2
9089717         0.028   0.004   2.704
cbdata StoreSearchHashIndex (15)          104
                                  1       1       1       574.40
0.000   1       1       1       574.40  100.000         0       0
 1       394     0.000   0.000   0.000
ACLDomainData              16
                  6       1       1       574.40  0.000   6  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLHTTPHeaderData          48
                  2       1       1       574.40  0.000   2  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLStringData              16
                  5       1       1       574.40  0.000   5  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLCertificateData         40
                  2       1       1       574.40  0.000   2  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
cbdata CbDataList (4)      40
                  2       1       1       574.40  0.000   2  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLStrategised             80
                  1       1       1       574.40  0.000   1  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLStrategised             80
                  1       1       1       574.40  0.000   1  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
cbdata ClientRequestContext (21)           80
                                  1       1       1       121.54
0.000   0       0       1       121.54  0.000   1       1       1
 128781526       0.397   0.152   99.361
cbdata WriteRequest (37)           80
                          1       1       1       574.40  0.000
0       0       1       574.40  0.000   1       1       1
9094171         0.028   0.011   2.704
StoreSwapLogData           72
                  1       1       1       574.40  0.000   0  0
1       574.40  0.000   1       1       1       3305791         0.010
 0.004   2.704
cbdata RemovalPurgeWalker (34)     72
                          1       1       1       574.40  0.000
0       0       1       574.40  0.000   1       1       1
2101686         0.006   0.002   1.014
cbdata CbDataList (5)      64
                  1       1       1       574.40  0.000   1  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLUserData                24
                  2       1       1       574.40  0.000   2  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLProtocolData            16
                  3       1       1       574.40  0.000   3  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
dwrite_q                   48
                  1       1       1       574.40  0.000   0  0
1       574.40  0.000   1       1       1       12401062        0.038
 0.009   5.407
cbdata CbDataList (6)      40
                  1       1       1       574.40  0.000   1  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
cbdata IoResult (38)       40
                  1       1       1       574.40  0.000   0  0
1       574.40  0.000   1       1       1       9094171         0.028
 0.005   2.704
ACLASN                     16
                  2       1       1       574.40  0.000   2  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLMethodData              16
                  2       1       1       574.40  0.000   2  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
ACLTimeData                32
                  1       1       1       574.40  0.000   1  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
CacheDigest                32
                  1       1       1       574.40  0.000   1  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
StoreMetaMD5               32
                  1       1       1       574.40  0.000   0  0
1       574.40  0.000   1       1       1       8430907         0.026
 0.004   2.771
StoreMetaSTDLFS            32
                  1       1       1       574.40  0.000   0  0
1       574.40  0.000   1       1       1       8430907         0.026
 0.004   2.771
StoreMetaURL               32
                  1       1       1       574.40  0.000   0  0
1       574.40  0.000   1       1       1       8430907         0.026
 0.004   2.771
StoreMetaVary              32
                  1       1       1       574.40  0.000   0  0
1       574.40  0.000   1       1       1       3872197         0.012
 0.002   0.879
HttpHdrRange               32
                  1       1       1       395.25  0.000   0  0
1       395.25  0.000   1       1       1       19754   0.000   0.000
 0.000
ACLSslErrorData            16
                  1       1       1       574.40  0.000   1  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
wordlist                   16
                  1       1       1       574.40  0.000   1  1
1       574.40  100.000         0       0       0       0       0.000
 0.000   0.000
HttpHdrRangeSpec           16
                  1       1       1       395.25  0.000   0  0
1       395.25  0.000   1       1       1       19746   0.000   0.000
 0.000
pconn_fds                  32
                  0       0       1       23.16   0.000   0  0
1       23.16   -1.000  0       0       1       10537   0.000   0.000
 0.000
32K Buffer               32768
                  0       0       64      564.11  0.000   0  0
64      564.11  -1.000  0       0       64      715     0.000   0.000
 0.000
64K Buffer               65536
                  0       0       192     529.08  0.000   0  0
192     529.08  -1.000  0       0       192     399     0.000   0.000
 0.000
HttpHdrContRange           24
                  0       0       1       395.25  0.000   0  0
1       395.25  -1.000  0       0       1       1569    0.000   0.000
 0.000
cbdata RebuildState (12)          696
                          0       0       1       574.40  0.000
0       0       1       574.40  -1.000  0       0       1       0
 0.000   0.000   0.000
cbdata IdleConnList (35)         4160
                          0       0       70      25.18   0.000
0       0       70      25.18   -1.000  0       0       57      10489
 0.000   0.001   0.000
cbdata DigestFetchState (41)     4232
                          0       0       5       574.30  0.000
0       0       5       574.30  -1.000  0       0       5       15
 0.000   0.000   0.000
cbdata RemovalPolicyWalker (42)    56
                          0       0       1       569.21  0.000
0       0       1       569.21  -1.000  0       0       1       0
 0.000   0.000   0.000
cbdata BodySink (43)       80
                  0       0       1       552.59  0.000   0  0
1       552.59  -1.000  0       0       1       81      0.000   0.000
 0.000
Total                       1
                  6587899         7602804         7681025    241.00
100.000         6585443         7600879         7677188         241.01
 99.975  2456    1926    82929   -2147483648     99.582      99.361
2193216836.675
Cumulative allocated volume: 6.7582 TB
Current overhead: 29914 bytes (0.000%)
Idle pool limit: 5.00 MB
Total Pools created: 116
Pools ever used:     104 (shown above)
Currently in use:    69
String Pool      Impact
         (%strings)      (%volume)
Short Strings            100     100
Medium Strings           0       0
Long Strings             0       0
Other Strings            0       0

Large buffers: 0 (0 KB)


Thanks,
kc


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