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<DIV><FONT face=Arial size=2><SPAN class=171020409-08032005>Tak jseme pred rokem
pustili sledovani provozniho stavu jisteho zarizeni, data se sbiraji a ukladaji
do Postgresql database 7.4.5 bezici na Linuxu. Pouzite PC neni zadny high tech,
ale bezne PC odpovidajici svymi parametry dobe porizeni.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=171020409-08032005>Do databaze se
uklada cas mereni a 4 namerene hodnoty, k dnesnimu dni ma databaze cca 6 milionu
radku a nemela by se jiz vice zvetsovat, protoze starsi zaznamy by se mely zacit
agregovat.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=171020409-08032005>Nejak se mi vsak
nezda rychlost prace s databazi, mam ji zindexovane podle casu a
presto napriklad SELECT min(time) ... trva tak 20-30s.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=171020409-08032005>Delam neco blbe, je
treba postgresu zvlast rici, ze ma pracovat s indexy nebo to je u takovych
drobecku normalni ?</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN class=171020409-08032005>Velikost adresare s
databazi je cca 1.2G .</SPAN></FONT></DIV>
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<DIV><FONT face=Arial size=2><SPAN class=171020409-08032005>Dekuji za
nakopnuti</SPAN></FONT></DIV>
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