I didn't know this list strips attachments, so the source file is here: http://derkarl.org/~charles/runlsm.cpp
On Monday, April 28, 2014 01:41:02 PM [email protected] wrote: > Hi, > > I'm not exactly sure this is the right forum for my problem, as I know that > LSM is experimental, but here we go. > > I tried loading a whole lot of data using LSM. The majority of the data > goes int a single huge transaction (begin/commit pair). My program > segfaults once we're 1.61GB into my data file. > > I have attached the source code to my test program. You also will need my > data file, which is too big for email: > > http://www.derkarl.org/~charles/lsmlog.bz2 (744 MiB) > > Here is how you can run my test program: > > bunzip2 < lsmlog.bz2 | pv | ./a.out lsmdbtocreate > > (You can exclude "pv" from the pipeline if you don't have it installed) > > Here is the backtrace: > > treeShmalloc (pDb=pDb@entry=0x12b20a8, bAlign=bAlign@entry=1, > nByte=nByte@entry=12, pRc=pRc@entry=0x7fff2fd43f44) > at src/lsm_tree.c:682 > 682 pNext->iNext = 0; > (gdb) bt > #0 treeShmalloc (pDb=pDb@entry=0x12b20a8, bAlign=bAlign@entry=1, > nByte=nByte@entry=12, pRc=pRc@entry=0x7fff2fd43f44) > at src/lsm_tree.c:682 > #1 0x000000000041122d in treeShmallocZero (pDb=pDb@entry=0x12b20a8, > nByte=nByte@entry=12, piPtr=piPtr@entry=0x7fff2fd43f4c, > pRc=pRc@entry=0x7fff2fd43f44) at src/lsm_tree.c:711 > #2 0x0000000000413114 in newTreeLeaf (pRc=0x7fff2fd43f44, > piPtr=0x7fff2fd43f4c, pDb=0x12b20a8) at src/lsm_tree.c:726 > #3 treeInsertLeaf (iSlot=1, iTreeKey=2146172860, pCsr=0x7fff2fd43f50, > pDb=0x12b20a8) at src/lsm_tree.c:1039 > #4 treeInsertEntry (pDb=pDb@entry=0x12b20a8, flags=8, > pKey=pKey@entry=0x12b2058, nKey=nKey@entry=17, pVal=<optimized out>, > pVal@entry=0x12bb638, nVal=21) at src/lsm_tree.c:1552 > #5 0x000000000041329f in lsmTreeInsert (pDb=pDb@entry=0x12b20a8, > pKey=pKey@entry=0x12b2058, nKey=nKey@entry=17, > pVal=pVal@entry=0x12bb638, nVal=<optimized out>) at src/lsm_tree.c:1587 > #6 0x0000000000404db0 in doWriteOp (pDb=0x12b20a8, bDeleteRange=<optimized > out>, pKey=0x12b2058, nKey=17, pVal=0x12bb638, > nVal=<optimized out>) at src/lsm_main.c:696 > #7 0x000000000040305d in main (argc=2, argv=0x7fff2fd44418) at > runlsm.cpp:41 (gdb) print pNext > $1 = (ShmChunk *) 0xffffffffffffffff > > > > It's a pity that LSM isn't ready for production, because if the quality of > sqlite3 is indication, I'm going to really enjoy using it! > > Charles _______________________________________________ sqlite-users mailing list [email protected] http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
