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We got gperftools installed & I re-ran the test with tcmalloc. The job reads 12 files stored on 12 different xrootd servers with a total size of 5.5GB. I also put those 12 files on a shared file system (GPFS). I used the LD_PRELOAD directive to switch between tcmalloc, jemalloc, and native malloc. - Reading files from GPFS, the process was stable using 100MB, independent of malloc - Reading files from xrootd: tcmalloc -> 123MB, jemalloc -> 134MB, native malloc -> 410MB Both tcmalloc and jemalloc got rid of the large address allocation warnings from valgrind. --- Reply to this email directly or view it on GitHub: https://github.com/xrootd/xrootd/issues/142#issuecomment-57733835 ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the XROOTD-DEV list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=XROOTD-DEV&A=1