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RE: Question about HBase Delete - HBase - [mail # dev]
...HBase (and BigTable) use delete markers (or tombstones).  As you say, once  written, all data is immutable.  These markers look very similar to normal Put operations but the H...
   Author: Jonathan Gray, 2011-01-20, 16:36
RE: Scan with Filter - HBase - [mail # user]
...The API shows one row per next() call but the number of rows fetched per RP C can be configured much higher with Scan.setCaching().  Filters are basically just server-side predicates th...
   Author: Jonathan Gray, 2011-01-18, 18:49
RE: The fourth hbase 0.90.0 release candidate is available for download X - HBase - [mail # dev]
...+1 on RC3.  Been running this in pre-production without issue for a while.   of e the ave 's e  with once or...
   Author: Jonathan Gray, 2011-01-14, 22:10
RE: Recommended Node Size Limits - HBase - [mail # user]
...How about Integer.MAX_VALUE (or I believe 0 works) to completely disable sp lits?  As far what we are running with today, we do have clusters with regions ove r 10GB and growing.  ...
   Author: Jonathan Gray, 2011-01-14, 19:02
RE: Cluster Wide Pauses - HBase - [mail # user]
...These are a different kind of pause (those caused by blockingStoreFiles).  This is HBase stepping in and actually blocking updates to a region because  compactions have not been ab...
   Author: Jonathan Gray, 2011-01-14, 17:29
RE: incrementColumnValue, WAL and timestamp - HBase - [mail # dev]
...I think there are some hacky fixes in there to prevent duplicate timestamps .  With the new seqid, this should not be an issue.  I think we should then be  able to generate a ...
   Author: Jonathan Gray, 2011-01-12, 20:02
RE: No minor compactions on a table built only on bulk loads - HBase - [mail # dev]
...It's not really a bug.  I think the assumption is that if you are at the level of doing your own bu lk loads, you should also manage when you want to compact and split.  I kno w in...
   Author: Jonathan Gray, 2011-01-11, 00:38
RE: question about Hregion.incrementColumnValue - HBase - [mail # dev]
...How does doing currentTimeMillis() twice in a row guarantee different times tamps?  And in this case, we're talking about the MemStore vs. HLog not HFi le.  There is another sectio...
   Author: Jonathan Gray, 2011-01-11, 00:34
RE: HTable.put(List<Put> puts) perform batch insert? - HBase - [mail # user]
...BatchUpdate is the old, deprecated version of Put.  You are using the best  APIs.  ...
   Author: Jonathan Gray, 2011-01-10, 18:39
RE: perplexing HBase bug: looking for where to learn how to debug - HBase - [mail # dev]
...The first step to debugging HBase is usually going through the Master and R egionServer logs.  Sometimes it can be more art than science but a majority  of our debugging is done wi...
   Author: Jonathan Gray, 2011-01-06, 17:37
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