On Mon, Aug 31, 2020 at 12:29 PM Keith Turner <ke...@deenlo.com> wrote: > > I started investigating this today. I quickly noticed two things. > First when I scanned the table for some of the data reported as > missing by the MR job it was there. Second the range of the supposed > missing data covered the entire table. Then I realized we never > stopped ingest, so during verification ingest was still running. This > would cause data to report as missing because mappers read different > parts of the table at different times. > > I was advising Karthick on how to run the test and I gave some really > bad advice, I forgot to mention to stop ingest. Sorry everyone, > please forgive my blunder. > > I stopped ingest and started the verification job again. It has more > data to verify than last time, there are 71B entries in the table now. > I also enabled snappy compression of map output as a precaution to > ensure there is enough space. Was planning on less data when > allocating the cluster, but I think there is enough space to run the > job though. The cluster has 9TB of 25TB used. I'll report back when > the job finishes.
The verification MR job completed w/ no undefined nodes. Saw only the following counts. Therefore no data loss was detected. REFERENCED=70731300868 UNREFERENCED=9002824 Based on this I am changing my vote to +1 > > > On Sun, Aug 30, 2020 at 12:07 PM karthick rn > <karthick.narend...@gmail.com> wrote: > > > > -1 > > > > Keith and I tested the continuous ingest with agitation on 11 nodes (9 > > workers) for 24 hrs and noticed the following after running the MapReduce > > verify job. The "undefined" counter is greater than 0 may be indicating > > data loss. > > > > org.apache.accumulo.test.continuous.ContinuousVerify$Counts > > REFERENCED=35470816664 > > * UNDEFINED=707335949* > > UNREFERENCED=715995424 > > > > The cluster was setup using Muchos (https://github.com/apache/fluo-muchos) > > & following are the details > > > > * 11 Azure VMs (Standard D8s) > > * Managed Disk – 3 x 1024g per VM > > * Hadoop 2.10.0 > > * Accumulo 1.10.0-rc2 > > * Java 8 > > * CentOS7.5 > > > > Created the table 'ci' and split using the below commands > > $ accumulo org.apache.accumulo.test.continuous.GenSplits 90 > splits.txt > > $ accumulo shell -u root -p secret -e 'createtable ci -sf splits.txt' > > > > Below is the agitator options used for the test > > nohup ./tserver-agitator.pl 1:10 1:10 1 3 > logs/tserver-ag.out 2> > > logs/tserver-ag.err & > > > > We will investigate the data loss and share our findings. > > > > Thanks, > > Karthick > > > > On Sat, 29 Aug 2020 at 23:32, Keith Turner <ke...@deenlo.com> wrote: > > > > > Karthick and I are working together to run random walk and continuous > > > ingest on two clusters using this RC. After continuous ingest ran for > > > 24 hrs we tried to start verification and ran into the following > > > issue. I plan to vote after the test completes, but wanted to let > > > anyone else running continuous ingest know about this. > > > > > > https://github.com/apache/accumulo/issues/1695 > > > > > > We also ran into another issue w/ the verification script related to > > > ZK 3.5 that we worked around w/ a hack (Karthick copied the ZK jar > > > from $ZK_HOME/lib to $ZK_HOME so the script could find the jars :). > > > Need to open an issue about this too. > > > > > > On Thu, Aug 27, 2020 at 12:36 PM Mike Miller <mmil...@apache.org> wrote: > > > > > > > > Accumulo Developers, > > > > > > > > Please consider the following candidate for Apache Accumulo 1.10.0. > > > > > > > > Git Commit: > > > > 4d261254c3ac43a3bd13ce974e91ce4303a83998 > > > > Branch: > > > > 1.10.0-rc2 > > > > > > > > If this vote passes, a gpg-signed tag will be created using: > > > > git tag -f -m 'Apache Accumulo 1.10.0' -s rel/1.10.0 \ > > > > 4d261254c3ac43a3bd13ce974e91ce4303a83998 > > > > > > > > Staging repo: > > > > > > > https://repository.apache.org/content/repositories/orgapacheaccumulo-1086 > > > > Source (official release artifact): > > > > > > > https://repository.apache.org/content/repositories/orgapacheaccumulo-1086/org/apache/accumulo/accumulo/1.10.0/accumulo-1.10.0-src.tar.gz > > > > Binary: > > > > > > > https://repository.apache.org/content/repositories/orgapacheaccumulo-1086/org/apache/accumulo/accumulo/1.10.0/accumulo-1.10.0-bin.tar.gz > > > > > > > > Append ".asc" to download the cryptographic signature for a given > > > artifact. > > > > (You can also append ".sha1" or ".md5" instead in order to verify the > > > > checksums > > > > generated by Maven to verify the integrity of the Nexus repository > > > staging > > > > area.) > > > > > > > > Signing keys are available at https://www.apache.org/dist/accumulo/KEYS > > > > (Expected fingerprint: 1914AF6FE2C53672C87CE1DADC8FFDC342894E89) > > > > > > > > In addition to the tarballs and their signatures, the following checksum > > > > files will be added to the dist/release SVN area after release: > > > > accumulo-1.10.0-src.tar.gz.sha512 will contain: > > > > SHA512 (accumulo-1.10.0-src.tar.gz) = > > > > > > > 81f2a8f8273e2bdfe46d6a807dc38276ee2937ced648829648b7750bfc22816c13d43461d1b08c50a6957d78a999ae3109c93d2f31c7d8be116e91e0ea25f5c2 > > > > accumulo-1.10.0-bin.tar.gz.sha512 will contain: > > > > SHA512 (accumulo-1.10.0-bin.tar.gz) = > > > > > > > 9d3023c8724069282035ed6dcb047f737c1c53dc05f7b15da2cfd941f51d1d7720892496475430eb639f3a36c83f4eecc1942c0317c67d38dcf2061d06beb648 > > > > > > > > Release notes (in progress) can be found at: > > > > https://accumulo.apache.org/release/accumulo-1.10.0/ > > > > > > > > Release testing instructions: > > > > https://accumulo.apache.org/contributor/verifying-release > > > > > > > > Please vote one of: > > > > [ ] +1 - I have verified and accept... > > > > [ ] +0 - I have reservations, but not strong enough to vote against... > > > > [ ] -1 - Because..., I do not accept... > > > > ... these artifacts as the 1.10.0 release of Apache Accumulo. > > > > > > > > This vote will remain open until at least Sun Aug 30 16:30:00 UTC 2020. > > > > (Sun Aug 30 12:30:00 EDT 2020 / Sun Aug 30 09:30:00 PDT 2020) > > > > Voting can continue after this deadline until the release manager > > > > sends an email ending the vote. > > > > > > > > Thanks! > > > > > > > > P.S. Hint: download the whole staging repo with > > > > wget -erobots=off -r -l inf -np -nH \ > > > > > > > > > > > https://repository.apache.org/content/repositories/orgapacheaccumulo-1086/ > > > > # note the trailing slash is needed > > >
