Re: read request is slow

oorthy, Natarajan < >> natarajan_sundaramoor...@optum.com> wrote: >> >>> Also would like to know what monitoring should I setup so that if it >>> happens again I can provide more information. Thanks >>> >>> >>> >>> >>> &

Re: read request is slow

;> Also would like to know what monitoring should I setup so that if it >> happens again I can provide more information. Thanks >> >> >> >> >> >> *From:* Jon Haddad [mailto:j...@jonhaddad.com] >> *Sent:* Saturday, March 16, 2019 5:25 PM >>

Re: read request is slow

itoring should I setup so that if it > happens again I can provide more information. Thanks > > > > > > *From:* Jon Haddad [mailto:j...@jonhaddad.com] > *Sent:* Saturday, March 16, 2019 5:25 PM > *To:* user@cassandra.apache.org > *Subject:* Re: read request is slow >

Re: read request is slow

t; HEAP_NEWSIZE to 100 MB >> >> >> >> And >> >> >> >> heap with 50% of that as a starting point? Hw do I do this? >> >> >> >> Thanks >> >> >> >> >> >> *From:* Dieudonné Madishon NGAYA [mailto:dmng...@gmail.com

Re: read request is slow

Madishon NGAYA [mailto:dmng...@gmail.com] > *Sent:* Saturday, March 16, 2019 12:15 AM > *To:* user@cassandra.apache.org > *Subject:* Re: read request is slow > > > > I agreed with jon haddad , your MAX_HEAP_SIZE is very small. you have lot > of RAM (256 GB), you can start your MA

Re: read request is slow

Hi, I want to add something: 5. do you know on which table are you getting these reads timeout ? 6. if yes, can you see if you don't have Excessive tombstone activity 7. how often do you run repair ? 8. can you send a system.log and also report of nodetool tpstats 9. Swap is enabled or not ? B

Re: read request is slow

1. What was the read request? Are you fetching a single row, a million, something else? 2. What are your GC settings? 3. What's the hardware in use? What resources have been allocated to each instance? 4. Did you see this issue after a single request or is the cluster under heavy load? If you're