In the system I am working, we have 6 million blocks total and the namenode heap size is about 600 MB and it takes about 5 minutes for namenode to leave the safemode.
I try to estimate what would be the heap size if we have 100 - 150 million blocks, and what would be the amount of time for namenode to leave the safemode. >From the extrapolation based on the numbers I have, I am calculating very scary numbers for both (Terabytes for heap size) and half an hour or so startup time. I am hoping that my extrapolation is not accurate. >From your clusters, could you provide some numbers for number of files and blocks in the system vs. the master heap size and master startup time. I really appreciate your help. Thanks. Cagdas -- ------------ Best Regards, Cagdas Evren Gerede Home Page: http://cagdasgerede.info
