To be precise, you made n requests for non-existent keys, got n negative responses, and BloomFilterFalsePositives also went up by n?
On 06/21/2011 11:06 PM, Preston Chang wrote: > Hi,all: > I have a problem with bloom filter. When made a test which tried to get > some nonexistent keys, it seemed that the bloom filter does not work. The > 'BloomFilterFalseRatio' was 1.0 and the 'BloomFilterFalsePositives' was > rising and the disk I/O utils reached 100% according to 'iostat'. > > I found the patch in > https://issues.apache.org/jira/browse/CASSANDRA-2637 , but in my cluster key > cache had been enabled already. My Cassandra version is 0.7.3. There are 3 > nodes and RF is 3. > > Thanks for your help. >
