Upgrde 7.8 to 7

HI Team,

Need help , we are facing issue after upgrade elasticseach from 7.8 to 7.17.10,
Issue first it incresed respoonce time
Chche value decresed drasticily from 7.8 to 7.17.10 on search .

Please help

You need to provide more details.

What type of data are you querying? How much data do you have in the cluster? How many indices and shards are you querying?

What type of queries are you running? What is the latency observed before and after the upgrade?

Hi ,
Data is json formate document is comples json data
Aprox 400GB data inot cluster
35 indices
Main Indics have 9 primery shard an 2 replica
term query
For 7.8 latency is.1 to .3 millisec and for 7.17.10 its latency incred 3 to 10 millisec

Hi Christian,

We identified issue below relatted to performance issue

  1. in 7.8 cache is create into GB ,but After upgrade cache values only in 20 to 30 mb in size
    I want to know whyc cache is not creared into newest verssion of elasticsearch 7.17.10


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