I also confirm this issue, i will append additional info into ticket, seems we 
can fix it.
jjimeno thanks for highlighting. The only work around for now — is somehow 
decrease tx enlisted keys. 
 
>I am able to reproduce the problem - it occurs with any client, thick or thin.
> 
>With one node the transaction completes in a reasonable time,
>but with two nodes it is orders of magnitude slower.
> 
>We'll investigate and get back to you.
>   
>On Thu, Jan 28, 2021 at 9:48 AM jjimeno < [email protected] > wrote:
>>Hi again,
>>
>>As a test, I just disabled persistence in both nodes.  The already mentioned
>>transaction of 1.2 million keys and 600MB in size takes 298sec.
>>
>>Remember that for one single node and persistence enabled it takes 70sec, so
>>just adding a second node makes the test more than 4 times slower.
>>
>>Is this, really, the performance that Ignite can offer? Please, don't take
>>me wrong, I'm just asking, not criticizing.  I want to be sure I'm not doing
>>anything wrong and the timings I get are the expected ones...
>>
>>Thanks!
>>
>>
>>
>>--
>>Sent from:  http://apache-ignite-users.70518.x6.nabble.com/ 
 
 
 
 

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