Hi, Deepa, I would guess that you are using data generated by setqgen. Would you mind tell us how many rows are there? What are the exact queries you've used?
I would assume that your join is a little too big to be held in 1GB of memory. If you give me the about information, I would be able to confirm this speculation. John On 5/25/12 1:07 PM, Deepa Sahni wrote: > > Hi John, > > I have attached the data partition details of all the columns. The > issue I am having is with the following columns. > > Column Name Issue > -------------------------------------------------- > k4 killed > k10 killed > k10k segmentation fault > k100 segmentation fault > > In addition to this I am running FastBit on ubuntu(running on top of > VMPlayer) and the ram available to it is 1GB and hard disk is 20GB. > If you need any other information I will provide that too. > > Thanks, > Deepa > > > > On Fri, May 25, 2012 at 9:36 AM, K. John Wu <[email protected] > <mailto:[email protected]>> wrote: > > Yes, you are probably encounter memory shortage. Since you did not > give any size information, there is no way for me to verify your > statement;-) > > John > > > On 5/25/12 1:09 AM, Deepa Sahni wrote: > > Hi, > > > > I need some help debugging an issue. FYI I am running FastBit on > > ubuntu. > > > > Whenever I run queries with certain columns in the where clause > I get > > the following errors. > > > > for column K100 : Process killed > > for column K10 :Segmentation Fault > > > > I did not create indexes on any of the columns, since my > understanding > > was that FastBit creates indexes as and when needed. As I ran my > > queries indexes got created. But for the columns mentioned above I > > repeatedly get the same error for all select statements with these > > columns in the where clause. > > > > I tried deleting all the other indexes to clear up some memory for > > these(K100, K10) column indexes(I think this might be happening > > because of memory shortage). It did not fix the problem. Could some > > shed some light on what might be causing this error or how to > debug or > > fix this. > > > > > > Thanks in advance, > > Deepa > > > > > > > > > > > > _______________________________________________ > > FastBit-users mailing list > > [email protected] <mailto:[email protected]> > > https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users > > _______________________________________________ FastBit-users mailing list [email protected] https://hpcrdm.lbl.gov/cgi-bin/mailman/listinfo/fastbit-users
