Results 1 to 2 of 2

Thread: HELP..... Unable to determine why squid is slow...

Hybrid View

  1. #1
    Associate
    Join Date
    Apr 2007
    Posts
    18

    HELP..... Unable to determine why squid is slow...

    Dear All,

    Kindly help me out in determining why our squid server is very slow. It is running on RHEL AS 4

    here is cache manager info


    HTTP/1.0 200 OK
    Server: squid/2.6.STABLE12
    Date: Thu, 18 Oct 2007 11:24:27 GMT
    Content-Type: text/plain
    Expires: Thu, 18 Oct 2007 11:24:27 GMT
    Last-Modified: Thu, 18 Oct 2007 11:24:27 GMT
    X-Cache: MISS from dakcproxy02
    X-Cache-Lookup: MISS from dakcproxy02:8080
    Via: 1.0 dakcproxy02:8080 (squid/2.6.STABLE12)
    Proxy-Connection: close

    Squid Object Cache: Version 2.6.STABLE12
    Start Time: Thu, 11 Oct 2007 06:40:09 GMT
    Current Time: Thu, 18 Oct 2007 11:24:27 GMT
    Connection information for squid:
    Number of clients accessing cache: 1570
    Number of HTTP requests received: 13215185
    Number of ICP messages received: 0
    Number of ICP messages sent: 0
    Number of queued ICP replies: 0
    Request failure ratio: 0.00
    Average HTTP requests per minute since start: 1275.1
    Average ICP messages per minute since start: 0.0
    Select loop called: 126169010 times, 4.929 ms avg
    Cache information for squid:
    Request Hit Ratios: 5min: 26.4%, 60min: 27.0%
    Byte Hit Ratios: 5min: 9.2%, 60min: 12.4%
    Request Memory Hit Ratios: 5min: 28.8%, 60min: 31.4%
    Request Disk Hit Ratios: 5min: 10.7%, 60min: 8.3%
    Storage Swap size: 7372840 KB
    Storage Mem size: 2048160 KB
    Mean Object Size: 6.38 KB
    Requests given to unlinkd: 0
    Median Service Times (seconds) 5 min 60 min:
    HTTP Requests (All): 5.06039 4.79440
    Cache Misses: 7.38455 8.68295
    Cache Hits: 1.11539 1.71839
    Near Hits: 7.38455 10.20961
    Not-Modified Replies: 1.00114 1.31166
    DNS Lookups: 1.96483 2.34641
    ICP Queries: 0.00000 0.00000
    Resource usage for squid:
    UP Time: 621858.161 seconds
    CPU Time: 378515.631 seconds
    CPU Usage: 60.87%
    CPU Usage, 5 minute avg: 99.36%
    CPU Usage, 60 minute avg: 99.30%
    Process Data Segment Size via sbrk(): -1481864 KB
    Maximum Resident Size: 0 KB
    Page faults with physical i/o: 0
    Memory usage for squid via mallinfo():
    Total space in arena: -1481864 KB
    Ordinary blocks: -1501241 KB 80255 blks
    Small blocks: 0 KB 0 blks
    Holding blocks: 17068 KB 11 blks
    Free Small blocks: 0 KB
    Free Ordinary blocks: 19377 KB
    Total in use: -1484173 KB 101%
    Total free: 19377 KB 0%
    Total size: -1464796 KB
    Memory accounted for:
    Total accounted: 2440064 KB
    memPoolAlloc calls: 1613649791
    memPoolFree calls: 1603519499
    File descriptor usage for squid:
    Maximum number of file descriptors: 32768
    Largest file desc currently in use: 1233
    Number of file desc currently in use: 913
    Files queued for open: 0
    Available number of file descriptors: 31855
    Reserved number of file descriptors: 100
    Store Disk files open: 29
    IO loop method: epoll
    Internal Data Structures:
    1172095 StoreEntries
    342307 StoreEntries with MemObjects
    342115 Hot Object Cache Items
    1156253 on-disk objects


    Cache log :


    om/wrapper/aceUAC.js', 'accept-encoding="gzip,deflate"'/'gzip,deflate'
    2007/10/18 17:00:33| storeLocateVary: Not our vary marker object, AFF8265A87C4425EB04308CF6328264C = 'http://uac.advertising.c
    om/wrapper/aceUAC.js', 'accept-encoding="gzip,deflate"'/'gzip,deflate'
    2007/10/18 17:00:49| storeLocateVary: Not our vary marker object, AFF8265A87C4425EB04308CF6328264C = 'http://uac.advertising.c
    om/wrapper/aceUAC.js', 'accept-encoding="gzip,deflate"'/'gzip,deflate'
    2007/10/18 17:01:43| storeLocateVary: Not our vary marker object, AFF8265A87C4425EB04308CF6328264C = 'http://uac.advertising.c
    om/wrapper/aceUAC.js', 'accept-encoding="gzip,deflate"'/'gzip,deflate'
    2007/10/18 17:02:03| storeLocateVary: Not our vary marker object, AFF8265A87C4425EB04308CF6328264C = 'http://uac.advertising.c
    om/wrapper/aceUAC.js', 'accept-encoding="gzip,deflate"'/'gzip,deflate'
    2007/10/18 17:02:42| httpReadReply: Excess data from "GET http://75.126.77.27/index.php?q=aHR0...RyYWRlLm1vbmV5
    Y29udHJvbC5jb20vcGx1c19uZXcvY3NzL3N0eWxlLmNzcw%3D% 3D"
    2007/10/18 17:02:59| httpReadReply: Excess data from "GET http://75.126.77.27/index.php?q=aHR0...RyYWRlLm1vbmV5
    Y29udHJvbC5jb20vcGx1cy90cmFkZXIvaW5kZXgucGhw"
    2007/10/18 17:03:51| urlParse: Illegal hostname '.update.toolbar.yahoo.com'
    2007/10/18 17:03:56| parseHttpRequest: Unsupported method '^E^ACONNECT'
    2007/10/18 17:03:56| clientReadRequest: FD 494 (10.8.162.65:3168) Invalid Request
    2007/10/18 17:03:58| httpReadReply: Excess data from "GET http://75.126.77.27/index.php?q=aHR0...RyYWRlLm1vbmV5
    Y29udHJvbC5jb20vcGx1cy9jc3Mvc3R5bGUuY3Nz"
    2007/10/18 17:04:22| parseHttpRequest: Unsupported method '^E^ACONNECT'
    2007/10/18 17:04:22| clientReadRequest: FD 455 (10.8.81.111:3743) Invalid Request
    2007/10/18 17:06:01| CACHEMGR: <unknown>@10.8.53.59 requesting 'info'
    2007/10/18 17:06:13| httpReadReply: Excess data from "GET http://img1.adjuggler.com/banners/ajtg.js"
    2007/10/18 17:06:31| parseHttpRequest: Unsupported method '^E^ACONNECT'
    2007/10/18 17:06:31| clientReadRequest: FD 580 (10.8.188.226:1724) Invalid Request
    2007/10/18 17:07:48| storeLocateVary: Not our vary marker object, 13AC25A3CE5FB588B06BAFCDDE541279 = 'http://l.yimg.com/us.js.
    yimg.com/lib/bc/bcr_2.0.4.js', 'accept-encoding'/'-'
    2007/10/18 17:09:19| storeLocateVary: Not our vary marker object, 9D7DA92765C57DA6B183E255B5D90E17 = 'http://d2.zedo.com/jsc/d
    2/fo.js', 'accept-encoding'/'-'
    2007/10/18 17:10:11| urlParse: Illegal character in hostname 'www.http%3a'
    2007/10/18 17:11:43| parseHttpRequest: Unsupported method '^E^ACONNECT'
    2007/10/18 17:11:43| clientReadRequest: FD 566 (10.8.144.66:2076) Invalid Request
    2007/10/18 17:12:01| CACHEMGR: <unknown>@10.8.53.59 requesting 'info'
    2007/10/18 17:13:19| clientReadRequest: FD 137 (10.8.171.166:35260) Invalid Request
    2007/10/18 17:13:35| clientReadRequest: FD 412 (10.8.171.166:35283) Invalid Request
    2007/10/18 17:13:53| clientReadRequest: FD 559 (10.8.171.166:35313) Invalid Request
    2007/10/18 17:15:09| parseHttpRequest: Unsupported method '^E^ACONNECT'
    2007/10/18 17:15:09| clientReadRequest: FD 81 (10.8.180.51:2884) Invalid Request



    Squid.conf

    http_port server_ip:8080
    cache_peer 127.0.0.1 parent 8081 3130 no-query connect-timeout=1000
    # Trend Micro IWSS is running on 127.0.0.1:8081

    no-digest
    hierarchy_stoplist cgi-bin ?
    cache deny QUERY
    broken_vary_encoding allow apache
    cache_mem 2000 MB
    maximum_object_size 32768 KB
    maximum_object_size_in_memory 512 KB
    fqdncache_size 8192
    cache_replacement_policy heap GDSF
    memory_replacement_policy heap GDSF
    cache_dir aufs /cache01 8000 18 256
    access_log /logs/squid/access.log
    cache_log /logs/squid/cache.log
    cache_store_log none
    emulate_httpd_log on
    pid_filename /usr/local/squid/var/logs/squid.pid
    ftp_list_width 80
    ftp_passive on
    refresh_pattern ^ftp: 1440 20% 10080
    refresh_pattern ^gopher: 1440 0% 1440
    refresh_pattern . 0 20% 4320
    positive_dns_ttl 5 minutes
    half_closed_clients off
    http_reply_access allow all
    icp_access allow all
    cache_effective_user squid
    visible_hostname proxy02
    logfile_rotate 5

    coredump_dir /usr/local/squid/var/cache



    TOP output:


    top - 17:24:59 up 114 days, 4:12, 2 users, load average: 2.03, 2.06, 2.23
    Tasks: 169 total, 3 running, 166 sleeping, 0 stopped, 0 zombie
    Cpu(s): 33.3% us, 18.5% sy, 0.0% ni, 45.5% id, 2.6% wa, 0.1% hi, 0.0% si
    Mem: 16312708k total, 13572452k used, 2740256k free, 264996k buffers
    Swap: 2096472k total, 136k used, 2096336k free, 8820444k cached

    PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
    8687 squid 25 0 2677m 2.6g 1524 R 99.9 16.7 6338:28 squid
    8690 squid 16 0 2912 264 212 S 0.0 0.0 0:00.00 unlinkd


    Kindly suggest where can I improvise the server performance.


  2. #2
    Did u start squid with caching enabled. Means before start demon did u issue
    Code:
    squid -z
    to start caching.
    LASANTHA

Similar Threads

  1. Replies: 1
    Last Post: 06-27-2013, 11:57 PM
  2. how to determine free space available in cd
    By deelip_prusty in forum Redhat / Fedora
    Replies: 2
    Last Post: 03-01-2007, 12:27 PM
  3. TROUBLESHOOT: "Unable to open initial console"...PC UNABLE TO BOOT IN LINUX
    By sandeepundale in forum Linux - Software, Applications & Programming
    Replies: 2
    Last Post: 08-17-2006, 08:30 PM
  4. Unable to determine IP for server...
    By crazy ivan in forum Linux - Hardware, Networking & Security
    Replies: 2
    Last Post: 01-23-2004, 10:53 PM
  5. cannot determine the mouse protocol
    By irox in forum Linux - General Topics
    Replies: 6
    Last Post: 01-14-2002, 04:56 PM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •