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