So, I modified the code to use WRITE PICTURE FILE. Nice. Runs much faster. It did quit late last night. And again this morning when I was also reading email, this time with a system crash message - unable to grow buffer.
Once I finish with email, and the web, I’ll restart the machine and restart the export from where it left off. It is having its problems when it goes to export a series of 40Mb retinal scans. > On Apr 1, 2020, at 5:51 PM, Keisuke Miyako via 4D_Tech <[email protected]> > wrote: > > only speculating, but maybe the intense creation of BLOBs is saturating or > fragmenting the 32-bit cache management of v15. > > it seems like you don't really need to use a BLOB, you could simply call > WRITE PICTURE FILE > https://doc.4d.com/4Dv15/4D/15.6/WRITE-PICTURE-FILE.301-3818335.en.html > > since you are on Mac, you could monitor the memory usage of 4D with Activity > Monitor. > I suspect it keeps on growing until a crash near 4GB. > > perhaps you could launch a new process and export a few hundred records at a > time. > every time the process dies, maybe you would see that the memory usage > returns to normal. > >> 2020/04/01 12:19、Robert McKeever via 4D_Tech <[email protected]>のメール: >> >> If (([ScannedDocuments]FileType="JPEG") | ([ScannedDocuments]FileType="JPG")) >> PICTURE TO BLOB([ScannedDocuments]FullImage;$MyBlob;".jpg") >> Else >> PICTURE TO BLOB([ScannedDocuments]FullImage;$MyBlob;".bmp") >> End if >> BLOB TO DOCUMENT(document;$MyBlob) > > ********************************************************************** > 4D Internet Users Group (4D iNUG) > Archive: http://lists.4d.com/archives.html > Options: https://lists.4d.com/mailman/options/4d_tech > Unsub: mailto:[email protected] > ********************************************************************** _________________________________________ Bob McKeever http://www.mswl.com <http://www.mswl.com/> McKeever's Software Wizardry Port Coquitlam, B.C. [email protected] ********************************************************************** 4D Internet Users Group (4D iNUG) Archive: http://lists.4d.com/archives.html Options: https://lists.4d.com/mailman/options/4d_tech Unsub: mailto:[email protected] **********************************************************************
