Re: How much disk is needed to compact Leveled compaction?

2015-04-07 Thread Jean Tremblay
I am only using LeveledCompactionStrategy, and as I describe in my original mail, I don’t understand why C* is complaining that it cannot compact when I have more than 40% free disk space. On 07 Apr 2015, at 01:10 , Bryan Holladay holla...@longsight.commailto:holla...@longsight.com wrote:

Re: How much disk is needed to compact Leveled compaction?

2015-04-06 Thread DuyHai Doan
If you have SSD, you may afford switching to leveled compaction strategy, which requires much less than 50% of the current dataset for free space Le 5 avr. 2015 19:04, daemeon reiydelle daeme...@gmail.com a écrit : You appear to have multiple java binaries in your path. That needs to be

Re: How much disk is needed to compact Leveled compaction?

2015-04-06 Thread Bryan Holladay
What other storage impacting commands or nuances do you gave to consider when you switch to leveled compaction? For instance, nodetool cleanup says Running the nodetool cleanup command causes a temporary increase in disk space usage proportional to the size of your largest SSTable. Are sstables

Re: How much disk is needed to compact Leveled compaction?

2015-04-06 Thread Ali Akhtar
I may have misunderstood, but it seems that he was already using LeveledCompaction On Tue, Apr 7, 2015 at 3:17 AM, DuyHai Doan doanduy...@gmail.com wrote: If you have SSD, you may afford switching to leveled compaction strategy, which requires much less than 50% of the current dataset for free

How much disk is needed to compact Leveled compaction?

2015-04-05 Thread Jean Tremblay
Hi, I have a cluster of 5 nodes. We use cassandra 2.1.3. The 5 nodes use about 50-57% of the 1T SSD. One node managed to compact all its data. During one compaction this node used almost 100% of the drive. The other nodes refuse to continue compaction claiming that there is not enough disk

Re: How much disk is needed to compact Leveled compaction?

2015-04-05 Thread daemeon reiydelle
You appear to have multiple java binaries in your path. That needs to be resolved. sent from my mobile Daemeon C.M. Reiydelle USA 415.501.0198 London +44.0.20.8144.9872 On Apr 5, 2015 1:40 AM, Jean Tremblay jean.tremb...@zen-innovations.com wrote: Hi, I have a cluster of 5 nodes. We use