How bottom of cassandra save data efficiently?

2019-12-30 Thread lampahome
If I use var a as primary key and var b as second key, and a and b are 16 bytes and 8 bytes. And other data are 32 bytes. In one row, I have a+b+data = 16+8+32 = 56 bytes. If I have 100,000 rows to store in cassandra, will it occupy space 56x10 bytes in my disk? Or data will be compressed?

Re: Ec2 instance transient network issues caused 500 errors

2019-12-30 Thread Elliott Sims
On the systems side of things, I've found that using the new BBR TCP congestion algorithm results in far better behavior in cases of low to moderate packet loss compared to any of the older strategies. It can't fix totally broken, but it takes good advantage of "usable but lossy". 0.5-2% loss wou

Ec2 instance transient network issues caused 500 errors

2019-12-30 Thread Rahul Reddy
Hello, We have our cassandra cluster running on aws and we have 2 dc’s 6 and 6 nodes in both regions with RF=3 and cassandra version 3.11.3 . One of the ec2 instance had issues with network issues for 9 minutes. Since it was network issue neither ec2 was down nor cassandra down. But this cause