I opened as an improvement suggestion: https://issues.apache.org/jira/browse/CASSANDRA-1409
On Mon, Aug 16, 2010 at 8:26 PM, Benjamin Black <b...@b3k.us> wrote: > Useful config option, perhaps? > > On Mon, Aug 16, 2010 at 8:51 AM, Jonathan Ellis <jbel...@gmail.com> wrote: > > That's a tough call -- you can also come up with scenarios where you'd > > rather have it read-only than completely dead. > > > > On Wed, Aug 11, 2010 at 12:38 PM, Ran Tavory <ran...@gmail.com> wrote: > >> Due to administrative error one of the hosts in the cluster lost > permission > >> to write to it's data directory. > >> So I started seeing errors in the log, however, the server continued > serving > >> traffic. It wasn't able to compact and do other write operations but it > >> didn't crash. > >> I was wondering wether that's by design and if so, is this a good one... > I > >> guess I want to know if really bad things happen to my cluster... > >> logs look like that... > >> > >> INFO [FLUSH-TIMER] 2010-08-11 07:53:14,683 ColumnFamilyStore.java (line > >> 357) KvAds has reached its threshold; switching in a fresh Memtable at > >> CommitLogContext(file='/outbrain/cassandra/commitlog/Commi > >> tLog-1281505164614.log', position=88521163) > >> INFO [FLUSH-TIMER] 2010-08-11 07:53:14,683 ColumnFamilyStore.java (line > >> 609) Enqueuing flush of Memtable(KvAds)@851225759 > >> INFO [FLUSH-WRITER-POOL:1] 2010-08-11 07:53:14,684 Memtable.java (line > 148) > >> Writing Memtable(KvAds)@851225759 > >> ERROR [FLUSH-WRITER-POOL:1] 2010-08-11 07:53:14,688 > >> DebuggableThreadPoolExecutor.java (line 94) Error in executor futuretask > >> java.util.concurrent.ExecutionException: java.lang.RuntimeException: > >> java.io.FileNotFoundException: > >> /outbrain/cassandra/data/outbrain_kvdb/KvAds-tmp-249-Data.db (Permission > >> denied) > >> at > >> java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:222) > >> at java.util.concurrent.FutureTask.get(FutureTask.java:83) > >> at > >> > org.apache.cassandra.concurrent.DebuggableThreadPoolExecutor.afterExecute(DebuggableThreadPoolExecutor.java:86) > >> at > >> > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:888) > >> at > >> > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > >> at java.lang.Thread.run(Thread.java:619) > >> Caused by: java.lang.RuntimeException: java.io.FileNotFoundException: > >> /outbrain/cassandra/data/outbrain_kvdb/KvAds-tmp-249-Data.db (Permission > >> denied) > >> at > >> org.apache.cassandra.utils.WrappedRunnable.run(WrappedRunnable.java:34) > >> at > >> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) > >> at > >> java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) > >> at java.util.concurrent.FutureTask.run(FutureTask.java:138) > >> at > >> > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > >> ... more > > > > > > > > -- > > Jonathan Ellis > > Project Chair, Apache Cassandra > > co-founder of Riptano, the source for professional Cassandra support > > http://riptano.com > > >
