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From "Alexey Goncharuk (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IGNITE-8536) DirectMemoryRegion: Introduce checkpoint buffer configuration and improve logging o start
Date Mon, 21 May 2018 12:42:00 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-8536?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexey Goncharuk updated IGNITE-8536:
-------------------------------------
    Description: 
We need to configure data region checkpoint buffer size when we start Ignite on computer with
 limited resources, for example AWS t2.micro

In current implementation Ignite will allocate 100Mb buffers, it should be configurable.

Also we need to improve message printed in log: 
current message: 
{code}
[2018-05-18T03:43:01,449][INFO ][exchange-worker-#51][PageMemoryImpl] Started page memory
[memoryAllocated=100.0 MiB, pages=24937, tableSize=1.4 MiB, checkpointBuffer=100.0 MiB]
{code}

Lets add region name and rename "checkpointBuffer" to  "data region buffer".


  was:
We need to configure data region checkpoint buffer size when we start Ignite on computer with
 limiter resources, for example AWS t2.micro

In current implementation Ignite will allocate 100Mb buffers, it should be configurable.

Also we need to improve message printed in log: 
current message: 
{code}
[2018-05-18T03:43:01,449][INFO ][exchange-worker-#51][PageMemoryImpl] Started page memory
[memoryAllocated=100.0 MiB, pages=24937, tableSize=1.4 MiB, checkpointBuffer=100.0 MiB]
{code}

Lets add region name and rename "checkpointBuffer" to  "data region buffer".



> DirectMemoryRegion: Introduce checkpoint buffer  configuration and improve logging o
start
> ------------------------------------------------------------------------------------------
>
>                 Key: IGNITE-8536
>                 URL: https://issues.apache.org/jira/browse/IGNITE-8536
>             Project: Ignite
>          Issue Type: Improvement
>          Components: persistence
>    Affects Versions: 2.4
>            Reporter: Alexey Kuznetsov
>            Assignee: Alexey Goncharuk
>            Priority: Major
>
> We need to configure data region checkpoint buffer size when we start Ignite on computer
with  limited resources, for example AWS t2.micro
> In current implementation Ignite will allocate 100Mb buffers, it should be configurable.
> Also we need to improve message printed in log: 
> current message: 
> {code}
> [2018-05-18T03:43:01,449][INFO ][exchange-worker-#51][PageMemoryImpl] Started page memory
[memoryAllocated=100.0 MiB, pages=24937, tableSize=1.4 MiB, checkpointBuffer=100.0 MiB]
> {code}
> Lets add region name and rename "checkpointBuffer" to  "data region buffer".



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