Re: MemPools rewrite

From: Andres Kroonmaa <andre@dont-contact.us>
Date: Mon, 13 Nov 2000 13:34:18 +0200

 After a polymix stresstest, totally, absolutely idle squid is
 holding:

 Poolname inUse
Store Mem Buffer 1077
mem_node 1078

MemObject 51
HttpReply 51
HttpHeaderEntry 465
HttpHdrCc 49

 First it looked like some requests got stuck somewhere in squid. All
 the tests were finished 2 days ago, no client sockets nor server
 sockets are open.
 Can someone familiar with the code explain whats the possible cause
 for that? Seems that some stuff is sitting in storemem cache. Why
 are some objects in state "swapout: xxx bytes queued"?

 Why I'm asking is because I'm seeing some considerable freespace
 fragmentation (160M in mallinfo Total free) right now, and I'm
 wondering if it would be a right thing to add timebased timeout to
 inmem object cache, after which unreferenced objects are dropped
 from ram. Should allow squid to compact its memory usage some time
 after a spike of high activity...

KEY F805B69168CD6B2997774FD1D74013F0
        GET http://194.106.96.6:5704/w03ab5045.610800bd:00000472/t02/_0000002c.html
        STORE_OK IN_MEMORY SWAPOUT_DONE PING_DONE
        CACHABLE,DISPATCHED,VALIDATED
        LV:973905109 LU:973905109 LM:973383602 EX:973945234
        0 locks, 0 clients, 1 refs
        Swap File 0X07EFD2
        inmem_lo: 0
        inmem_hi: 11387
        swapout: 11387 bytes queued

KEY 16A48A8973A1EC0341E003FE2CA11C65
        GET http://194.106.96.6:5131/w03ab5045.610800bd:000000dc/t03/_0000000a.exe
        STORE_OK IN_MEMORY SWAPOUT_NONE PING_DONE
        CACHABLE,DISPATCHED,VALIDATED
        LV:973904835 LU:973905106 LM:967451409 EX:982638254
        0 locks, 0 clients, 1 refs
        Swap File 0XFFFFFFFF
        inmem_lo: 0
        inmem_hi: 1005694
        swapout: 0 bytes queued

KEY 0B2FB67A9FDC06426EE778124CDDAE67
        GET http://194.106.96.6:5773/w03ab5045.610800bd:000004e0/t03/_00000016.gz
        STORE_OK IN_MEMORY SWAPOUT_NONE PING_DONE
        CACHABLE,DISPATCHED,VALIDATED
        LV:973904947 LU:973905106 LM:971512727 EX:987934776
        0 locks, 0 clients, 1 refs
        Swap File 0XFFFFFFFF
        inmem_lo: 0
        inmem_hi: 791437
        swapout: 0 bytes queued

KEY C834A97450987B3C047606F327C66E78
        GET http://194.106.96.6:5298/w03ab5045.610800bd:000001e8/t03/_00000001.zip
        STORE_OK IN_MEMORY SWAPOUT_NONE PING_DONE
        CACHABLE,DISPATCHED,VALIDATED
        LV:973905081 LU:973905106 LM:969457110 EX:986142138
        0 locks, 0 clients, 1 refs
        Swap File 0XFFFFFFFF
        inmem_lo: 0
        inmem_hi: 558620
        swapout: 0 bytes queued

------------------------------------
 Andres Kroonmaa <andre@online.ee>
 Delfi Online
 Tel: 6501 731, Fax: 6501 708
 Pärnu mnt. 158, Tallinn,
 11317 Estonia
Received on Mon Nov 13 2000 - 04:37:10 MST

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