I hope I can do as you suggest and leapfrog to 3.11 rather than two stepping it from 3.7->3.11
Just having TWCS has saved me lots of hassle so it’s all good, thanks for all you do for our community. -B On Fri, Nov 2, 2018 at 3:54 PM Jeff Jirsa <jji...@gmail.com> wrote: > I'm sincerely sorry for the hassle, but for various reasons beyond, it's > unlikely I'll update my repo (at least me, personally). One fix is likely > to grab the actual java classes from the apache repo, pull them in and fix > the package names, and compile (essentially making your own 3.11 branch). > > I suppose you could also disable compaction, switch to something else > (stcs), do the upgrade, then alter it back to the official TWCS. Whether or > not this is viable depends on how quickly you write, and how long it'll > take you to upgrade. > > > > > > On Fri, Nov 2, 2018 at 11:57 AM Brian Spindler <brian.spind...@gmail.com> > wrote: > >> you are right, it won't even compile: >> >> [INFO] ------------------------------------------------------------- >> [ERROR] COMPILATION ERROR : >> [INFO] ------------------------------------------------------------- >> [ERROR] >> /Users/bspindler/src/github/twcs/src/main/java/com/jeffjirsa/cassandra/db/compaction/TimeWindowCompactionStrategy.java:[110,90] >> cannot find symbol >> symbol: method >> getOverlappingSSTables(org.apache.cassandra.db.lifecycle.SSTableSet,java.util.Set<org.apache.cassandra.io.sstable.format.SSTableReader>) >> location: variable cfs of type org.apache.cassandra.db.ColumnFamilyStore >> [ERROR] >> /Users/bspindler/src/github/twcs/src/main/java/com/jeffjirsa/cassandra/db/compaction/TimeWindowCompactionStrategy.java:[150,99] >> cannot find symbol >> symbol: class SizeComparator >> location: class org.apache.cassandra.io.sstable.format.SSTableReader >> [ERROR] >> /Users/bspindler/src/github/twcs/src/main/java/com/jeffjirsa/cassandra/db/compaction/TimeWindowCompactionStrategy.java:[330,59] >> cannot find symbol >> symbol: class SizeComparator >> location: class org.apache.cassandra.io.sstable.format.SSTableReader >> [ERROR] >> /Users/bspindler/src/github/twcs/src/main/java/com/jeffjirsa/cassandra/db/compaction/SizeTieredCompactionStrategy.java:[104,67] >> cannot find symbol >> symbol: class SizeComparator >> location: class org.apache.cassandra.io.sstable.format.SSTableReader >> [INFO] 4 errors >> >> >> >> On Fri, Nov 2, 2018 at 2:52 PM Jeff Jirsa <jji...@gmail.com> wrote: >> >>> There’s a chance it will fail to work - possible method signatures >>> changed between 3.0 and 3.11. Try it in a test cluster before prod >>> >>> >>> -- >>> Jeff Jirsa >>> >>> >>> On Nov 2, 2018, at 11:49 AM, Brian Spindler <brian.spind...@gmail.com> >>> wrote: >>> >>> Nevermind, I spoke to quickly. I can change the cass version in the >>> pom.xml and re compile, thanks! >>> >>> On Fri, Nov 2, 2018 at 2:38 PM Brian Spindler <brian.spind...@gmail.com> >>> wrote: >>> >>>> <image.png> >>>> >>>> >>>> On Fri, Nov 2, 2018 at 2:34 PM Jeff Jirsa <jji...@gmail.com> wrote: >>>> >>>>> Easiest approach is to build the 3.11 jar from my repo, upgrade, then >>>>> ALTER table to use the official TWCS (org.apache.cassandra) jar >>>>> >>>>> Sorry for the headache. I hope I have a 3.11 branch for you. >>>>> >>>>> >>>>> -- >>>>> Jeff Jirsa >>>>> >>>>> >>>>> On Nov 2, 2018, at 11:28 AM, Brian Spindler <brian.spind...@gmail.com> >>>>> wrote: >>>>> >>>>> Hi all, we're planning an upgrade from 2.1.5->3.11.3 and currently we >>>>> have several column families configured with twcs class >>>>> 'com.jeffjirsa.cassandra.db.compaction.TimeWindowCompactionStrategy' and >>>>> with 3.11.3 we need to set it to 'TimeWindowCompactionStrategy' >>>>> >>>>> Is that a safe operation? Will cassandra even start if the column >>>>> family has a compaction strategy defined with a classname it cannot >>>>> resolve? >>>>> How to deal with different versioned nodes and different class names >>>>> during the upgrade of the binaries throughout the cluster? >>>>> >>>>> Thank you for any guidance, >>>>> Brian >>>>> >>>>> -- -Brian
