No, it doesn't. What would you recommend changing? Heap space, or something else?
On Wed, Aug 29, 2018 at 6:35 PM, Josh Elser <els...@apache.org> wrote: > Does Muchos actually change the Accumulo configuration when you are > changing the underlying hardware? > > > On 8/29/18 8:04 AM, guy sharon wrote: > >> hi, >> >> Continuing my performance benchmarks, I'm still trying to figure out if >> the results I'm getting are reasonable and why throwing more hardware at >> the problem doesn't help. What I'm doing is a full table scan on a table >> with 6M entries. This is Accumulo 1.7.4 with Zookeeper 3.4.12 and Hadoop >> 2.8.4. The table is populated by org.apache.accumulo.examples.s >> imple.helloworld.InsertWithBatchWriter modified to write 6M entries >> instead of 50k. Reads are performed by "bin/accumulo >> org.apache.accumulo.examples.simple.helloworld.ReadData -i muchos -z >> localhost:2181 -u root -t hellotable -p secret". Here are the results I got: >> >> 1. 5 tserver cluster as configured by Muchos ( >> https://github.com/apache/fluo-muchos), running on m5d.large AWS >> machines (2vCPU, 8GB RAM) running CentOS 7. Master is on a separate server. >> Scan took 12 seconds. >> 2. As above except with m5d.xlarge (4vCPU, 16GB RAM). Same results. >> 3. Splitting the table to 4 tablets causes the runtime to increase to 16 >> seconds. >> 4. 7 tserver cluster running m5d.xlarge servers. 12 seconds. >> 5. Single node cluster on m5d.12xlarge (48 cores, 192GB RAM), running >> Amazon Linux. Configuration as provided by Uno ( >> https://github.com/apache/fluo-uno). Total time was 26 seconds. >> >> Offhand I would say this is very slow. I'm guessing I'm making some sort >> of newbie (possibly configuration) mistake but I can't figure out what it >> is. Can anyone point me to something that might help me find out what it is? >> >> thanks, >> Guy. >> >> >>