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 >>> >>>
