小波 顾 wrote:
When I start the default demo database (or a new created one) process on Windows XP, the following messaged appears in the command window : # Serving databse 'demo', using 1 thread
Does it mean the whole database process is single-threaded? no, it has detected a single core machine. We need to make the message more explicit. The following section in the monetdb5.config file shows we can config multiple threads
These are debugging flags only
# Mserver 5 recognizes a series of command line names instead: # --threads ( 1 | PARMASK) # --memory (MEMMASK ) # --properties (CHECKMASK | PROPMASK | BATMASK ) # --io (IOMASK | PERFMASK ) # --transactions ( TMMASK | DELTAMASK | TEMMASK) # --modules (DLMASK | LOADMASK) # --algorithms (ALGOMASK | ESTIMASK) # --xproperties (XPROPMASK ) # --performance (JOINPROPMASK | DEADBEEFMASK)
What does 'parmsk' mean, and how to config monetdb to use multiple threads?
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