Can we see the histogram?  Why wouldn’t you at times have that many tombstones? 
 Makes sense.

 

Kenneth Brotman

 

From: Rahul Reddy [mailto:rahulreddy1...@gmail.com] 
Sent: Thursday, February 21, 2019 7:06 AM
To: user@cassandra.apache.org
Subject: Tombstones in memtable

 

We have small table records are about 5k .

All the inserts comes as 4hr ttl and we have table level ttl 1 day and gc grace 
seconds has 3 hours.  We do 5k reads a second during peak load During the peak 
load seeing Alerts for tomstone scanned histogram reaching million.

Cassandra version 3.11.1. Please let me know how can this tombstone scan can be 
avoided in memtable

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