2.4.9 kernel and memory management

Steve Stavropoulos steve at math.upatras.gr
Sun Sep 9 00:08:01 EEST 2001


 Exw parathrhsei oti o 2.4.9 kernel exei ena periergo tropo na kanonizei
to posh swap 8a bgalei.
 Pio sygkekrimena parathrw tis teleytaies 13 meres pou ton exw kai
douleyei synexws oti prospa8ei na krathsei thn e3hs issoropia:

2*Used_RAM/Total_RAM = Used_Swap/Total_Swap

exontas to xosview ayto fainetai poly wraia afou to prasino meros tou
meter ths MEM exei to miso mhkos apo to prasino meros tou meter ths Swap.

oi metrhseis twra epalh8eyoun to optiko apotelesma (sto peripou):
[steve at Paradise steve]$ free -m
             total       used       free     shared    buffers     cached
Mem:           501        490         10          0         29        297
-/+ buffers/cache:        164        337
Swap:          252        175         76
[steve at Paradise steve]$ dc
10 k
164 2 *p
328
512 /p
.6406250000     <---- to noumero tou aristerou skelous ths e3iswshs
175 256 /p
.6835937500     <---- to noumero tou de3iou skelous ths e3iswshs

 Epishs kapoia stigmh gemizei h swap opws katalabainete (poly prin gemisei
h ram) opote emfanizetai o OOM killer kai me ena entypwsiako xtyphma
skotwnei oti xreiazetai gia na pesei to usage ths mnhmhs.

 Einai swstos o typos pou ebgala? ti blepete eseis?
(bariemai na meiwsw th ram mou kai na perimenw merikes meres na dw th
symperifora tou)




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