> On 25/11/2014 9:06 a.m., Doug Sampson wrote:
> > Recently due to squid 2.7 being EOL'ed, we migrated our squid
> > server to version 3.4.9 on a FreeBSD 10.0-RELEASE running on 64-bit
> > hardware. We started seeing paging file being swapped out
> > eventually running out of available memory. From the time squid
> > gets started it usually takes about two days before we see these
> > entries in /var/log/messages as follows:
> >
> > +swap_pager_getswapspace(16): failed +swap_pager_getswapspace(16):
> > failed +swap_pager_getswapspace(16): failed
> > +swap_pager_getswapspace(12): failed +swap_pager_getswapspace(16):
> > failed +swap_pager_getswapspace(12): failed
> > +swap_pager_getswapspace(6): failed +swap_pager_getswapspace(16):
> > failed
> >
> > Looking at the 'top' results, I see that the swap file has been
> > totally exhausted. Memory used by squid hovers around 2.3GB out of
> > the total 3GB of system memory.
> >
> > I am not sure what is causing these memory leaks. After rebooting,
> > squid-internal-mgr/info shows the following statistics:
> >
> > Squid Object Cache: Version 3.4.9 Build Info: Start Time: Mon, 24
> > Nov 2014 18:39:08 GMT Current Time: Mon, 24 Nov 2014 19:39:13 GMT
> > Connection information for squid: Number of clients accessing
> > cache: 18 Number of HTTP requests received: 10589 Number of ICP
> > messages received: 0 Number of ICP messages sent: 0 Number of
> > queued ICP replies: 0 Number of HTCP messages received: 0 Number of
> > HTCP messages sent: 0 Request failure ratio: 0.00 Average HTTP
> > requests per minute since start: 176.2 Average ICP messages per
> > minute since start: 0.0 Select loop called: 763993 times, 4.719 ms
> > avg Cache information for squid: Hits as % of all requests: 5min:
> > 3.2%, 60min: 17.0% Hits as % of bytes sent: 5min: 2.0%, 60min:
> > 6.7% Memory hits as % of hit requests: 5min: 0.0%, 60min: 37.2%
> > Disk hits as % of hit requests: 5min: 22.2%, 60min: 33.2% Storage
> > Swap size: 7361088 KB Storage Swap capacity: 58.5% used, 41.5%
> > free Storage Mem size: 54348 KB Storage Mem capacity: 3.9%
> used,
> > 96.1% free Mean Object Size: 23.63 KB Requests given to unlinkd:
> > 1
> > Median Service Times (seconds) 5 min 60 min: HTTP Requests
> > (All): 0.10857 0.19742 Cache Misses: 0.10857 0.32154
> > Cache Hits: 0.08265 0.01387 Near Hits:
> > 0.15048 0.12106 Not-Modified Replies: 0.00091 0.00091 DNS
> > Lookups: 0.05078 0.05078 ICP Queries: 0.00000
> > 0.00000 Resource usage for squid: UP Time: 3605.384 seconds CPU
> > Time: 42.671 seconds CPU Usage: 1.18% CPU Usage, 5 minute avg:
> > 0.72% CPU Usage, 60 minute avg: 1.17% Maximum Resident Size: 845040
> > KB Page faults with physical i/o: 20 Memory accounted for: Total
> > accounted: 105900 KB memPoolAlloc calls: 2673353
> > memPoolFree calls: 2676487 File descriptor usage for squid:
> > Maximum number of file descriptors: 87516 Largest file desc
> > currently in use: 310 Number of file desc currently in use:
> > 198 Files queued for open: 0 Available number of
> > file descriptors: 87318 Reserved number of file descriptors: 100
> > Store Disk files open: 0 Internal Data
> > Structures: 311543 StoreEntries 4421 StoreEntries with MemObjects
> > 4416 Hot Object Cache Items 311453 on-disk objects
> >
> > I will post another one tomorrow that will indicate growing
> > memory/swapfile consumption.
> >
> > Here is my squid.conf:
> >
> > # OPTIONS FOR AUTHENTICATION #
> > ------------------------------------------------------------------------
> -----
> >
> >
> # 1st four lines for
> > auth_param basic children 5 auth_param basic realm Squid
> > proxy-caching web server auth_param basic credentialsttl 2 hours
> > auth_param basic casesensitive off # next three lines for kerberos
> > authentication (needed to use usernames) # used in conjunction
> > with "acl auth proxy_auth" line below #auth_param negotiate program
> > /usr/local/libexec/squid/negotiate_kerberos_auth -i #auth_param
> > negotiate children 50 startup=10 idle=5 #auth_param negotiate
> > keep_alive on
> >
> >
> > # ACCESS CONTROLS #
> > ------------------------------------------------------------------------
> -----
> >
> >
> # Example rule allowing access from your local networks.
> > # Adapt to list your (internal) IP networks from where browsing #
> > should be allowed #acl manager proto cache_object acl manager
> > url_regex -i ^cache_object:// /squid-internal-mgr/ acl adminhost
> > src 192.168.1.149 acl localnet src 192.168.1.0/24 # RFC1918
> > possible internal network acl localnet src fc00::/7 # RFC
> > 4193 local private network range acl localnet src fe80::/10
> > # RFC 4291 link-local (directly plugged) machines acl webserver src
> > 198.168.1.35 acl some_big_clients src 192.168.1.149/32 #CI53
> >
> > # We want to limit downloads of these type of files # Put this all
> > in one line acl magic_words url_regex -i ftp .exe .mp3 .vqf .tar.gz
> > .gz .rpm .zip .rar .avi .mpeg .mpe .mpg .qt .ram .rm .iso .raw .wav
> > .dmg .mp4 .img # We don't block .html, .gif, .jpg and similar
> > files, because they # generally don't consume much bandwidth
>
> But you do. Whenever the domain name or path contains any of the byte
> sequences in that regex above. The entire websites
> http://www.divx.com/ and http://isohunt.com/ for example.
>
> And whats wrong with adding more HITs ? even if they are small enough
> not to use much cache space.
>
> <snip>
> >
> > # OPTIONS WHICH AFFECT THE NEIGHBOR SELECTION ALGORITHM #
> > ------------------------------------------------------------------------
> -----
> >
> >
> hierarchy_stoplist cgi-bin ?
>
>
> ... but you dont have neighbours. This is also deprecated anyway.
>
> >
> > # MEMORY CACHE OPTIONS #
> > ------------------------------------------------------------------------
> -----
> >
> >
> cache_mem 1366 MB
> > #cache_mem 2134 MB #maximum_object_size_in_memory 64 KB
> > maximum_object_size_in_memory 128 KB
> >
> > # DISK CACHE OPTIONS #
> > ------------------------------------------------------------------------
> -----
> >
> >
> cache_replacement_policy heap LFUDA
> > cache_dir aufs /data/squid/aufs_cache 4096 16 256 min-size=131073
> > cache_dir diskd /data/squid/diskd_cache 8192 16 256 Q1=64 Q2=72
> > max-size=131072
>
> Why the segregation between diskd and aufs?
>
> The only difference between these cache types is the method if I/O
> performed accessing the disk. AUFS is threaded SMP, diskd is
> multi-process SMP.
>
> NP: FreeBSD 10 seem to have resolved the issues Squid AUFS has with
> older BSD and people are now noticing the speed issues with diskd.
>
> The official recommendation is currently to use AUFS with FreeBSD 10+
> and diskd with older FreeBSD.
>
>
> > #maximum_object_size 122880 KB maximum_object_size 153600 KB
> > cache_swap_low 90 cache_swap_high 95
> >
> > # LOGFILE OPTIONS #
> > ------------------------------------------------------------------------
> -----
> >
> >
> access_log daemon:/data/squid/logs/access.log
> > cache_store_log daemon:/data/squid/logs/store.log cache_swap_log
> > /var/spool/squid/%s
>
> What is this %s ??
>
> > logfile_rotate 28
> >
> > # OPTIONS FOR TROUBLESHOOTING #
> > ------------------------------------------------------------------------
> -----
> >
> >
> cache_log /data/squid/logs/cache.log
> > # Leave coredumps in the first cache dir coredump_dir /data/squid
> >
> > # OPTIONS FOR EXTERNAL SUPPORT PROGRAMS #
> > ------------------------------------------------------------------------
> -----
> >
> >
> diskd_program /usr/local/libexec/squid/diskd
> >
>
> Unless you are replacing this helper with a custom-built one with
> strange name this should not be configured explicitly in Squid-3.
>
>
> > # OPTIONS FOR TUNING THE CACHE #
> > ------------------------------------------------------------------------
> -----
> >
> >
> refresh_pattern http://.*\.windowsupdate\.microsoft\.com/ 0 80% 20160
> > refresh_pattern http://office\.microsoft\.com/ 0 80% 20160
> > refresh_pattern http://windowsupdate\.microsoft\.com/ 0 80% 20160
> > refresh_pattern http://w?xpsp[0-9]\.microsoft\.com/ 0 80% 20160
> > refresh_pattern http://w2ksp[0-9]\.microsoft\.com/ 0 80% 20160
> > refresh_pattern http://download\.microsoft\.com/ 0 80% 20160
> > refresh_pattern http://download\.macromedia\.com/ 0 80% 20160
> > refresh_pattern http://ftp\.software\.ibm\.com/ 0 80% 20160
> > refresh_pattern cgi-bin 1 20% 2 refresh_pattern
> > \.asp$ 1 20% 2 refresh_pattern \.acgi$ 1
> > 20% 2 refresh_pattern \.cgi$ 1 20% 2
> > refresh_pattern \.pl$ 1 20% 2 refresh_pattern
> > \.shtml$ 1 20% 2 refresh_pattern \.php3$ 1
> > 20% 2 refresh_pattern \? 1 20% 2
> > refresh_pattern \.gif$ 10080 90% 43200
> > refresh_pattern \.png$ 10080 90% 43200
> > refresh_pattern \.jpg$ 10080 90% 43200
> > refresh_pattern \.ico$ 10080 90% 43200
> > refresh_pattern \.bom\.gov\.au 30 20% 120
> > refresh_pattern \.html$ 480 50% 22160
> > refresh_pattern \.htm$ 480 50% 22160
> > refresh_pattern \.css$ 480 50% 22160
> > refresh_pattern \.js$ 480 50% 22160
> > refresh_pattern \.class$ 10080 90% 43200
> > refresh_pattern \.zip$ 10080 90% 43200
> > refresh_pattern \.jpeg$ 10080 90% 43200
> > refresh_pattern \.mid$ 10080 90% 43200
> > refresh_pattern \.shtml$ 480 50% 22160
> > refresh_pattern \.exe$ 10080 90% 43200
> > refresh_pattern \.thm$ 10080 90% 43200
> > refresh_pattern \.wav$ 10080 90% 43200
> > refresh_pattern \.mp4$ 10080 90% 43200
> > refresh_pattern \.txt$ 10080 90% 43200
> > refresh_pattern \.cab$ 10080 90% 43200
> > refresh_pattern \.au$ 10080 90% 43200
> > refresh_pattern \.mov$ 10080 90% 43200
> > refresh_pattern \.xbm$ 10080 90% 43200
> > refresh_pattern \.ram$ 10080 90% 43200
> > refresh_pattern \.iso$ 10080 90% 43200
> > refresh_pattern \.avi$ 10080 90% 43200
> > refresh_pattern \.chtml$ 480 50% 22160
> > refresh_pattern \.thb$ 10080 90% 43200
> > refresh_pattern \.dcr$ 10080 90% 43200
> > refresh_pattern \.bmp$ 10080 90% 43200
> > refresh_pattern \.phtml$ 480 50% 22160
> > refresh_pattern \.mpg$ 10080 90% 43200
> > refresh_pattern \.pdf$ 10080 90% 43200
> > refresh_pattern \.art$ 10080 90% 43200
> > refresh_pattern \.swf$ 10080 90% 43200
> > refresh_pattern \.flv$ 10080 90% 43200
> > refresh_pattern \.x-flv$ 10080 90% 43200
> > refresh_pattern \.mp3$ 10080 90% 43200
> > refresh_pattern \.ra$ 10080 90% 43200
> > refresh_pattern \.spl$ 10080 90% 43200
> > refresh_pattern \.viv$ 10080 90% 43200
> > refresh_pattern \.doc$ 10080 90% 43200
> > refresh_pattern \.gz$ 10080 90% 43200
> > refresh_pattern \.Z$ 10080 90% 43200
> > refresh_pattern \.tgz$ 10080 90% 43200
> > refresh_pattern \.tar$ 10080 90% 43200
> > refresh_pattern \.vrm$ 10080 90% 43200
> > refresh_pattern \.vrml$ 10080 90% 43200
> > refresh_pattern \.aif$ 10080 90% 43200
> > refresh_pattern \.aifc$ 10080 90% 43200
> > refresh_pattern \.aiff$ 10080 90% 43200
> > refresh_pattern \.arj$ 10080 90% 43200
> > refresh_pattern \.c$ 10080 90% 43200
> > refresh_pattern \.cpt$ 10080 90% 43200
> > refresh_pattern \.dir$ 10080 90% 43200
> > refresh_pattern \.dxr$ 10080 90% 43200
> > refresh_pattern \.hqx$ 10080 90% 43200
> > refresh_pattern \.jpe$ 10080 90% 43200
> > refresh_pattern \.lha$ 10080 90% 43200
> > refresh_pattern \.lzh$ 10080 90% 43200
> > refresh_pattern \.midi$ 10080 90% 43200
> > refresh_pattern \.movie$ 10080 90% 43200
> > refresh_pattern \.mp2$ 10080 90% 43200
> > refresh_pattern \.mpe$ 10080 90% 43200
> > refresh_pattern \.mpeg$ 10080 90% 43200
> > refresh_pattern \.mpga$ 10080 90% 43200
> > refresh_pattern \.pl$ 10080 90% 43200
> > refresh_pattern \.ppt$ 10080 90% 43200
> > refresh_pattern \.ps$ 10080 90% 43200
> > refresh_pattern \.qt$ 10080 90% 43200
> > refresh_pattern \.qtm$ 10080 90% 43200
> > refresh_pattern \.rar$ 10080 90% 43200
> > refresh_pattern \.ras$ 10080 90% 43200
> > refresh_pattern \.sea$ 10080 90% 43200
> > refresh_pattern \.sit$ 10080 90% 43200
> > refresh_pattern \.tif$ 10080 90% 43200
> > refresh_pattern \.tiff$ 10080 90% 43200
> > refresh_pattern \.snd$ 10080 90% 43200
> > refresh_pattern \.wrl$ 10080 90% 43200
> > refresh_pattern ^ftp: 1440 60% 22160
> > refresh_pattern ^gopher: 1440 20% 1440
> > refresh_pattern -i (cgi-bin|\?) 0 0% 0
> > refresh_pattern . 480 50% 22160
> >
>
> That is a LOT of regex comparisions the proxy is having to do at least
> once per-request.
>
> The special rules you have up the top for "cgi-bin" and "\?" are also
> violating HTTP safe behaviour. The default rule we provide is highly
> tuned to handle caching of those responses safely without breaking old
> legacy scripts.
>
>
> At least most of them end with $ anchor point to prevent random URLs
> matching.
>
>
> > # ADMINISTRATIVE PARAMETERS #
> > ------------------------------------------------------------------------
> -----
> >
> >
> cache_mgr ad...@example.com
> > mail_from sq...@example.com cache_effective_user squid
> > cache_effective_group squid
> >
> > # DELAY POOL PARAMETERS #
> > ------------------------------------------------------------------------
> -----
> >
> >
> delay_pools 2
> > delay_class 1 2 # When big_files are being downloaded, the first
> > 5MB (625000 * 8 bits) are # downloaded at max network speed. Once
> > the file size limit of 5MB is reached, # download speed drops to
> > 438,000 bits or 3,504,000 MB per sec. Current # contracted Internet
> > connection speed w/ TP is at 7MB per sec. delay_parameters 1
> > 750000/750000 438000/625000
>
> > acl big_files url_regex -i ftp .exe .mp3 .vqf .tar.gz .gz .rpm .zip
> > .rar .avi .mpeg .mpe .mpg .qt .ram .rm .iso .raw .wav .dmg .mp4
> > .img .flv .wmv .divx .mov .bz2 .deb
>
> Another long list of regex patterns. Notice how these are permitted to
> match anywhere in the entie URL. Including domain names.
>
> FTP traffic in particular is not guaranteed to be "big files".
>
> <snip>
> > Intially, I set mem_cache=2134MB and after noticing these memory
> > leaks, I dropped it down to 1344MB. Memory leaks are still
> > occurring.
> >
> > Am I using anything that is known to cause memory leaks?
> >
> > If there is additional information that you need, please do not
> > hesitate to ask! Thanks.
>
> A copy of the manager "mem" report would be very useful to see whats
> using the memory.
> Note that it is a TSV format, so please save as .tsv file and attach.
> rather than cut-n-pasting inline.
>
Thanks, Amos, for your pointers.
I've commented out all the fresh_patterns lines appearing above the last two
lines.
I also have dropped diskd in favor of using aufs exclusively, taking out the
min-size parameter. I've commented out the diskd_program support option. In the
previous version of squid (2.7) I had split the cache_dir into two types with
great success using coss and aufs. Previously I had only aufs and performance
wasn't where I wanted it. Apparently coss is no longer supported in the 3.x
version of squid atop FreeBSD.
The pathname for the cache swap logs have been fixed. Apparently this came from
a squid.conf example that I copied in parts. Would this be the reason why we
are seeing the error messages in /var/log/messages regarding swapping mentioned
in my original post?
The hierarchy_stoplist line has been stripped out as you say it is deprecated.
The mem .TSV file is attached herewith.
Currently I have the cache_dir located on the OS disk and all of the cache
logging files on a second drive. Is this the optimal setup of cache-dir and
logs?
Your comments are much appreciated!
~Doug
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
71340 288147 288147 0.03 74.594 71323 288079 288147 0.03
99.976 17 69 1721 309801 1.573 22.017 3.853
StoreEntry 104
326878 33199 33199 0.00 8.594 326878 33199 33199 0.00
100.000 0 0 13 36512 0.185 0.065 0.507
Short Strings 40
554511 21661 21661 0.00 5.607 554511 21661 21661 0.00
100.000 0 0 80 8184851 41.562 5.625 78.492
HttpHeaderEntry 56
257314 14072 14072 0.00 3.643 257314 14072 14072 0.00
100.000 0 0 48 2280215 11.579 2.194 22.882
HttpReply 280
25315 6923 6923 0.00 1.792 25315 6923 6923 0.00
100.000 0 0 18 152929 0.777 0.736 1.633
MemObject 240
25314 5933 5933 0.00 1.536 25314 5933 5933 0.00
100.000 0 0 8 36273 0.184 0.150 0.560
MD5 digest 16
326878 5108 5108 0.00 1.322 326878 5108 5108 0.00
100.000 0 0 2 61500 0.312 0.017 0.732
cbdata MemBuf (9) 64
25343 1584 1584 0.00 0.410 25342 1584 1584 0.00
99.996 1 1 5 274112 1.392 0.301 2.753
HttpHdrCc 96
15945 1495 1495 0.00 0.387 15944 1495 1495 0.00
99.994 1 1 5 128911 0.655 0.213 1.335
Medium Strings 128
10717 1340 1340 0.35 0.347 10646 1331 1340 0.35
99.338 71 9 22 522464 2.653 1.149 4.846
4K Buffer 4096
272 1088 1088 4.62 0.282 66 264 1088 4.62
24.265 206 824 928 47084 0.239 3.314 0.388
cbdata IdleConnList (30) 4160
190 772 772 3.07 0.200 2 9 772
3.07 1.053 188 764 772 29152 0.148 2.084 0.284
16K Buffer 16384
44 704 704 3.04 0.182 0 0 704 3.04
0.000 44 704 704 52933 0.269 14.902 0.492
cbdata clientReplyContext (18) 4320
145 612 612 23.67 0.158 36 152 612
23.67 24.828 109 460 612 78438 0.398 5.822 0.687
cbdata ClientSocketContext (17) 4256
145 603 603 23.67 0.156 36 150 603
23.67 24.828 109 454 603 78438 0.398 5.736 0.687
LRU policy node 24
25261 593 593 0.00 0.153 25261 593 593 0.00
100.000 0 0 1 2656 0.013 0.001 0.243
Long Strings 512
538 269 269 0.34 0.070 520 260 269 0.34
96.654 18 9 22 72155 0.366 0.635 0.615
8K Buffer 8192
33 264 264 3.05 0.068 1 8 264 3.05
3.030 32 256 256 8168 0.041 1.150 0.067
64K Buffer 65536
4 256 256 24.78 0.066 0 0 256 24.78
0.000 4 256 256 69 0.000 0.078 0.001
HttpRequest 1744
145 247 247 23.67 0.064 36 62 247 23.67
24.828 109 186 247 78515 0.399 2.353 0.687
Comm::Connection 192
1297 244 244 23.67 0.063 423 80 244 23.67
32.614 874 164 215 382259 1.941 1.261 3.232
16KB Strings 16384
14 224 224 3.08 0.058 0 0 224 3.08
0.000 14 224 224 3142 0.016 0.885 0.034
4KB Strings 4096
50 200 200 1.48 0.052 36 144 200 1.48
72.000 14 56 112 27853 0.141 1.960 0.250
32K Buffer 32768
4 128 128 3.07 0.033 0 0 128 3.07
0.000 4 128 128 115 0.001 0.065 0.001
ipcache_entry 128
997 125 125 1.11 0.032 920 115 125 1.11
92.277 77 10 10 8300 0.042 0.018 0.090
cbdata ConnStateData (15) 440
246 106 106 4.62 0.027 39 17 106
4.62 15.854 207 89 100 36245 0.184 0.274 0.297
2K Buffer 2048
33 66 66 22.55 0.017 5 10 66 22.55
15.152 28 56 58 348209 1.768 12.253 3.167
cbdata ClientHttpRequest (16) 312
145 45 45 23.67 0.011 36 11 45
23.67 24.828 109 34 45 78438 0.398 0.421 0.687
1KB Strings 1024
42 42 42 0.89 0.011 15 15 42 0.89
35.714 27 27 33 20005 0.102 0.352 0.159
cbdata clientStreamNode (19) 128
290 37 37 23.67 0.009 72 9 37
23.67 24.828 218 28 37 156876 0.797 0.345 1.373
cbdata TunnelStateData (27) 224
144 32 32 23.67 0.008 35 8 32
23.67 24.306 109 24 32 18048 0.092 0.069 0.135
squidaio_small_bufs 4096
5 20 20 20.41 0.005 0 0 20 20.41
0.000 5 20 20 9163 0.047 0.645 0.088
MimeEntry 96
177 17 17 25.01 0.004 177 17 17 25.01
100.000 0 0 0 0 0.000 0.000 0.000
UFSStoreState::_queued_write 32
427 14 14 4.83 0.003 0 0 14
4.83 0.000 427 14 14 291989 1.483 0.161 2.971
ClientInfo 432
30 13 13 5.27 0.003 30 13 13 5.27
100.000 0 0 0 0 0.000 0.000 0.000
cbdata HttpStateData (28) 256
41 11 11 3.04 0.003 0 0 11
3.04 0.000 41 11 11 51685 0.262 0.227 0.479
cbdata store_client (22) 160
63 10 10 4.00 0.003 1 1 10
4.00 1.587 62 10 10 69898 0.355 0.192 0.634
cbdata UFSStoreState (31) 176
53 10 10 4.00 0.002 0 0 10
4.00 0.000 53 10 10 29112 0.148 0.088 0.255
cbdata FwdState (23) 168
53 9 9 3.08 0.002 0 0 9 3.08
0.000 53 9 9 51969 0.264 0.150 0.482
link_list 16
427 7 7 4.83 0.002 0 0 7 4.83
0.000 427 7 7 292152 1.484 0.080 2.972
cbdata ps_state (24) 248
27 7 7 1.81 0.002 0 0 7 1.81
0.000 27 7 7 70187 0.356 0.299 0.617
cbdata helper_server (8) 240
27 7 7 1.81 0.002 27 7 7
1.81 100.000 0 0 0 0 0.000 0.000 0.000
cbdata WriteRequest (33) 80
72 6 6 3.15 0.001 0 0 6
3.15 0.000 72 6 6 292344 1.484 0.402 2.971
cbdata DiskdFile (32) 104
52 6 6 4.00 0.001 0 0 6 4.00
0.000 52 6 6 28466 0.145 0.051 0.249
cbdata ConnOpener (26) 136
39 6 6 4.85 0.001 0 0 6 4.85
0.000 39 6 6 41173 0.209 0.096 0.349
Acl::AndNode 152
24 4 4 25.01 0.001 24 4 4 25.01
100.000 0 0 0 0 0.000 0.000 0.000
squidaio_micro_bufs 128
20 3 3 16.57 0.001 0 0 3 16.57
0.000 20 3 3 1291 0.007 0.003 0.013
cbdata CbDataList (29) 96
25 3 3 3.15 0.001 0 0 3 3.15
0.000 25 3 3 1157651 5.878 1.910 15.290
cbdata ReadRequest (36) 72
32 3 3 4.00 0.001 0 0 3 4.00
0.000 32 3 3 25308 0.129 0.031 0.224
aio_ctrl 112
20 3 3 16.57 0.001 0 0 3 16.57
0.000 20 3 3 10459 0.053 0.020 0.101
cbdata Logfile (11) 1120
2 3 3 25.01 0.001 2 3 3 25.01
100.000 0 0 0 0 0.000 0.000 0.000
aio_request 104
20 3 3 16.57 0.001 0 0 3 16.57
0.000 20 3 3 10459 0.053 0.019 0.101
cbdata Tree (4) 208
9 2 2 25.01 0.000 9 2 2 25.01
100.000 0 0 0 0 0.000 0.000 0.000
acl_ip_data 96
15 2 2 25.01 0.000 15 2 2 25.01
100.000 0 0 1 8 0.000 0.000 0.000
cbdata RebuildState (12) 688
2 2 2 25.01 0.000 0 0 2
25.01 0.000 2 2 2 0 0.000 0.000 0.000
cbdata DiskThreadsDiskFile (37) 88
15 2 2 4.31 0.000 0 0 2
4.31 0.000 15 2 2 581 0.003 0.001 0.006
aio_thread 40
32 2 2 24.98 0.000 32 2 2 24.98
100.000 0 0 0 0 0.000 0.000 0.000
ev_entry 48
26 2 2 1.79 0.000 13 1 2 1.79
50.000 13 1 1 396774 2.015 0.327 4.396
wordlist 16
73 2 2 20.98 0.000 14 1 2 20.98
19.178 59 1 1 184 0.001 0.000 0.002
helper_request 40
27 2 2 1.81 0.000 0 0 2 1.81
0.000 27 2 2 9263 0.047 0.006 0.090
cbdata generic_cbdata (25) 32
31 1 1 22.55 0.000 0 0 1
22.55 0.000 31 1 1 31839 0.162 0.018 0.292
ACLSourceIP 136
7 1 1 25.01 0.000 7 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLStrategised 152
6 1 1 25.01 0.000 6 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
cbdata BodyPipe (39) 152
6 1 1 21.10 0.000 0 0 1 21.10
0.000 6 1 1 2462 0.013 0.006 0.024
ACLStrategised 152
5 1 1 25.01 0.000 5 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLARP 144
5 1 1 25.01 0.000 5 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
FwdServer 24
27 1 1 1.81 0.000 0 0 1 1.81
0.000 27 1 1 70187 0.356 0.029 0.617
fqdncache_entry 160
4 1 1 25.01 0.000 3 1 1 25.01
75.000 1 1 1 0 0.000 0.000 0.000
cbdata CbDataList (2) 40
12 1 1 25.01 0.000 12 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
cbdata ACLFilledChecklist (21) 408
1 1 1 25.01 0.000 1 1 1
25.01 100.000 0 0 1 78573 0.399 0.551 0.687
cbdata CbDataList (1) 40
10 1 1 25.01 0.000 10 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
cbdata PortCfg (5) 344
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
cbdata RemovalPolicy (6) 104
3 1 1 25.01 0.000 3 1 1
25.01 100.000 0 0 0 0 0.000 0.000 0.000
ACLStrategised 152
2 1 1 25.01 0.000 2 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLStrategised 152
2 1 1 25.01 0.000 2 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
Acl::NotNode 152
2 1 1 25.01 0.000 2 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLRegexData 16
18 1 1 25.01 0.000 18 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
RegexList 56
5 1 1 25.01 0.000 5 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLCertificateData 80
3 1 1 25.01 0.000 3 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
cbdata ErrorState (40) 240
1 1 1 24.98 0.000 0 0 1 24.98
0.000 1 1 1 297 0.002 0.001 0.003
cbdata StoreSearchHashIndex (34) 104
2 1 1 25.01 0.000 1 1
1 25.01 50.000 1 1 1 25 0.000 0.000 0.000
cbdata ClientRequestContext (20) 104
2 1 1 23.14 0.000 0 0
1 23.14 0.000 2 1 1 78572 0.399 0.140 0.687
cbdata IoResult (38) 40
5 1 1 20.41 0.000 0 0 1 20.41
0.000 5 1 1 9163 0.047 0.006 0.088
cbdata CbDataList (3) 64
3 1 1 25.01 0.000 3 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
cbdata helper (7) 168
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
UFSStoreState::_queued_read 40
4 1 1 20.90 0.000 0 0 1
20.90 0.000 4 1 1 159 0.001 0.000 0.001
ACLDestinationIP 136
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLSslErrorData 16
6 1 1 25.01 0.000 6 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
cbdata TcpAcceptor (14) 96
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
HttpHdrContRange 24
4 1 1 3.11 0.000 0 0 1 3.11
0.000 4 1 1 2682 0.014 0.001 0.035
ACLHTTPHeaderData 48
2 1 1 25.01 0.000 2 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLDomainData 16
5 1 1 25.01 0.000 5 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLStringData 16
5 1 1 25.01 0.000 5 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
StoreSwapLogData 72
1 1 1 25.01 0.000 0 0 1 25.01
0.000 1 1 1 334805 1.700 0.414 0.241
cbdata RemovalPurgeWalker (35) 72
1 1 1 25.01 0.000 0 0 1
25.01 0.000 1 1 1 179869 0.913 0.223 1.998
ACLUserData 24
3 1 1 25.01 0.000 3 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLMethodData 16
3 1 1 25.01 0.000 3 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
dwrite_q 48
1 1 1 25.01 0.000 0 0 1 25.01
0.000 1 1 1 545038 2.768 0.450 2.489
ACLNoteData 40
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
cbdata IoResult (41) 40
1 1 1 24.96 0.000 0 0 1 24.96
0.000 1 1 1 210230 1.068 0.144 2.248
StoreMetaSTDLFS 32
1 1 1 25.01 0.000 0 0 1 25.01
0.000 1 1 1 29036 0.147 0.016 0.254
ACLHierCodeData 32
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
StoreMetaMD5 32
1 1 1 25.01 0.000 0 0 1 25.01
0.000 1 1 1 29036 0.147 0.016 0.254
CacheDigest 32
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
ACLTimeData 32
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
StoreMetaURL 32
1 1 1 25.01 0.000 0 0 1 25.01
0.000 1 1 1 29036 0.147 0.016 0.254
HttpHdrRange 32
1 1 1 24.59 0.000 0 0 1 24.59
0.000 1 1 1 1348 0.007 0.001 0.018
StoreMetaVary 32
1 1 1 24.98 0.000 0 0 1 24.98
0.000 1 1 1 4125 0.021 0.002 0.033
ACLASN 16
2 1 1 25.01 0.000 2 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
StoreMetaObjSize 32
1 1 1 25.01 0.000 0 0 1 25.01
0.000 1 1 1 29036 0.147 0.016 0.254
dlink_node 24
1 1 1 24.99 0.000 0 0 1 24.99
0.000 1 1 1 25 0.000 0.000 0.000
HttpHdrRangeSpec 16
1 1 1 24.59 0.000 0 0 1 24.59
0.000 1 1 1 1348 0.007 0.000 0.018
ACLProtocolData 16
1 1 1 25.01 0.000 1 1 1 25.01
100.000 0 0 0 0 0.000 0.000 0.000
Total 1
1671646 386287 386287 0.00 100.000 1667471
381340 381499 0.05 98.719 4175 4948 5917 18021673 91.512
93.203 260.304
Cumulative allocated volume: 5.820 GB
Current overhead: 31652 bytes (0.008%)
Total Pools created: 123
Pools ever used: 113 (shown above)
Currently in use: 71
String Pool Impact
(%strings) (%volume)
Short Strings 98 93
Medium Strings 2 6
Long Strings 0 1
1KB Strings 0 0
4KB Strings 0 1
16KB Strings 0 0
Other Strings 0 0
Large buffers: 0 (0 KB)
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