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Posted to issues@solr.apache.org by "Mark (Jira)" <ji...@apache.org> on 2022/02/09 04:58:00 UTC

[jira] [Updated] (SOLR-15998) replicaType=TLOG oom killer event occurs

     [ https://issues.apache.org/jira/browse/SOLR-15998?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mark updated SOLR-15998:
------------------------
    Description: 
Hello,

This is my Solr Cloud cluster.

 

16 Shard 
    1 LEADER   (replicaType=TLOG)
    1 REPLICA  (replicaType=TLOG)

Node Information
    4core vCPU
    32 GB Pysical Memory
    16~20GB SOLR - JAVA HEAP
    500 GB SSD

Traffic
    - Write 10,000 ~ 30,000 document/Per sec  

    - Solr Index Size - using 50% disk 

In this situation, all replicas are down when performing Select Query. (Solr_oom.sh killer event occurs)

However, this does not happen in case of replicaType=NRT.

NRT write performance is severely degraded, so we try not to use it.

 

 

  was:
Hello,

This is my Solr Cloud cluster.

 

16 Shard 
    1 LEADER   (replicaType=TLOG)
    1 REPLICA  (replicaType=TLOG)

Node Information
    4core vCPU
    32 GB Pysical Memory
    16~20GB SOLR - JAVA HEAP
    500 GB SSD

Traffic
    - Write 10,000 ~ 30,000 document/Per sec  

    - Solr Index Size - using 50% disk 


In this situation, all replicas are down when performing Select Query. (Oom killer event occurs)


However, this does not happen in case of replicaType=NRT.


NRT write performance is severely degraded, so we try not to use it.

 

 


> replicaType=TLOG oom killer event occurs
> ----------------------------------------
>
>                 Key: SOLR-15998
>                 URL: https://issues.apache.org/jira/browse/SOLR-15998
>             Project: Solr
>          Issue Type: Test
>      Security Level: Public(Default Security Level. Issues are Public) 
>          Components: clients - java
>    Affects Versions: 8.4.1
>            Reporter: Mark
>            Priority: Minor
>
> Hello,
> This is my Solr Cloud cluster.
>  
> 16 Shard 
>     1 LEADER   (replicaType=TLOG)
>     1 REPLICA  (replicaType=TLOG)
> Node Information
>     4core vCPU
>     32 GB Pysical Memory
>     16~20GB SOLR - JAVA HEAP
>     500 GB SSD
> Traffic
>     - Write 10,000 ~ 30,000 document/Per sec  
>     - Solr Index Size - using 50% disk 
> In this situation, all replicas are down when performing Select Query. (Solr_oom.sh killer event occurs)
> However, this does not happen in case of replicaType=NRT.
> NRT write performance is severely degraded, so we try not to use it.
>  
>  



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