Multiple IMAPD processes..

Ramya Krishnan ramya_krishnan at sifycorp.com
Wed Nov 30 00:09:48 EST 2005


Hi,
I was doing various operations on mailbox containing *56382* mails 
(Login, select, uid fetch, logout -Each connect properly closed and all 
of them sequential not concurrent access).
Multiple imapd processes where running and all of them where reading 
each file in read only mode in the mail box.
Is there any configuration error.. ?? The load went high because of the 
multiple imapd processes (All the commands such as select had been 
completed and still the process was running) ... any pointers.  What is 
the functionality of such file opens..

Strace of one such process..

27777 munmap(0xeb3b4000, 4385)          = 0
27777 open("33747.", O_RDONLY)          = 14
27777 fstat64(14, {st_mode=S_IFREG|0600, st_size=4385, ...}) = 0
27777 mmap2(NULL, 4385, PROT_READ, MAP_SHARED, 14, 0) = 0xeb3b4000
27777 close(14)                         = 0
27777 munmap(0xeb3b4000, 4385)          = 0
27777 open("33748.", O_RDONLY)          = 14
27777 fstat64(14, {st_mode=S_IFREG|0600, st_size=4385, ...}) = 0
27777 mmap2(NULL, 4385, PROT_READ, MAP_SHARED, 14, 0) = 0xeb3b4000
27777 close(14)                         = 0
27777 munmap(0xeb3b4000, 4385)          = 0
27777 open("33749.", O_RDONLY)          = 14
27777 fstat64(14, {st_mode=S_IFREG|0600, st_size=4385, ...}) = 0
27777 mmap2(NULL, 4385, PROT_READ, MAP_SHARED, 14, 0) = 0xeb3b4000
27777 close(14)              


-- 
Thanks and Regards
Ramya Krishnan


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