Tuesday, 2009-08-04

pboroHmm... there's no Ingres DTP plugin for DTP 1.7?00:36
pboroahh, it's available from Galileo site00:45
pboroexcellent :)00:46
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Deyanhi everybody02:00
Deyanselect * from ii_log where nickname='pboro';02:00
Deyan\p\g02:01
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thiagomzGuys, can anyone suggest me changes in my logging system based on that ==> http://pastebin.com/m72c4593905:57
pborohow long has it been running before running the summary?05:59
pboroit looks like there could be more buffers since >90% of buffers are in use most of the time06:00
pborohmm... but "All logwriters busy" is pretty low compared to the number of transactions06:02
magnusg|Maybe an increase of the size of the log buffers.06:02
magnusg|From 4K o 8K06:03
thiagomzpboro: 2 days, I restarted the server on sunday...06:03
thiagomzi was thinking in resize my log buffer from 1M to more...06:04
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atrofastHey all, in Ingres, is schema == owner of a table or is there a more subtle disctinction between them?06:45
atrofastdistinction even06:46
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Deyan]atrofast: i was wondering the same08:02
atrofastIf no one knows on top of their head, time to troll the docs :)08:03
atrofastSeems like a schema is associated with a username: http://docs.ingres.com/Ingres/9.2/SQL%20Reference%20Guide/createschema.htm08:27
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thiagomzguys, is there a more easy way to calculate hit ratios from a trace point dm420, than looking in each dbms for fix calls and hits, etc... ?10:29
thiagomzfor each configured cache...10:30
adrianwarwickuniDoes Ingres perform any "whole program optimization"? For example, suppose an SQL user-defined function OP takes a parameter named X and a query invokes OP for every tuple with the constant 1 for X (and some other arguments variable).  If OP contains a block IF X < 1... then when the compiler retrieves the definition of OP from the catalog will it further optimize OP to remove the branching code?10:38
thiagomzadrianwarwickuni: you are talking about bind variables ?10:46
thiagomzadrianwarwickuni: like in oracle ?10:46
adrianwarwickuniNo, I'm talking about SQL code (without bind variables) calling a stored procedure and it being conceivable to specialize the procedure code to perform better for the context where it's being called.  Bind variables are for the exact opposite scenario, i.e. to avoid compiling many very similar queries - generalization.10:51
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adrianwarwickuniIt's also known as interprocedural optimization.10:54
adrianwarwickuni(in compiler design circles)10:54
thiagomzGuys, in imadb - ima_dbms_server_parameters - startup_time, anyone knows how to calculate the uptime ?11:46
atrofastIn the Ingres backend, how can I extract readable information (data type, name etc) from the DMU_CB.dmu_attr_array?12:20
atrofastAh cast the dmu_attr_array.ptr_address to DMU_ATTR_ENTRY13:01
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