Thanks. I can see from the code link you sent that the encoding does not include the endrow. So we are good to go.
About "x": poor choice of example on my part; the real endrow would have been less than the next startrow. We'll give this a shot and let you know how it goes. Sent from my iPhone On Aug 12, 2011, at 6:08 PM, "Stack" <[email protected]> wrote: > On Fri, Aug 12, 2011 at 5:37 PM, Geoff Hendrey <[email protected]> wrote: >> Notice that endkey "X" doesn't exist anywhere as a startkey. I want to >> fix this by doing a put that will replace start/end pair {B,C} with >> {B,D} to "unlink" the orphaned row {C,X} from the ".META.". > > You should remove the {C,X} row first (I see that you do > > Is it really an X as in an end row that sorts after 'D'? If so, that > could be a problem. You'll have entries in this {C,X} region that > will be outside of the new {C,D} boundary. > > If it is outside of the boundary, then we need to be careful putting > back the store files after you make the new {C,D} region. We need to > not put back storefiles with entries that sort after the 'D'. > >> I have >> already backed up all the data in the orphaned region. Then I intend to >> delete the unlinked orphaned row {C,X} and subsequently PUT back all the >> backed up data back into the table. >> > > This should work w/ above caveat > > > >> My concerns is that the "ENCODED" column in .META. encodes the endrow. >> Is this the case? (In which case I need the encoding function in order >> to make my proposed fix work). >> > > When you create a region, it will do the encoding for you. See here > http://hbase.apache.org/xref/org/apache/hadoop/hbase/HRegionInfo.html#225 > > You should be able to create a region in the shell and toString the > output to find the encoding as in: > > hbase> import org.apache.hadoop.hbase.HRegionInfo > hbase> hri = HRegionInfo.new(tablename, startrow, endrow) > hbase> puts hri.toString() > > You might have to mess around to get byte array version of string and > row names (Use to_java_bytes if you have strings) > > St.Ack > >> >> >> Looking for someone to ack that my repair strategy is viable. Please >> advise. >> >> >> >> -geoff >> >>
