# Kernel messages when running elasticsearch

**URL:** <https://discuss.elastic.co/t/kernel-messages-when-running-elasticsearch/8031>\
**Category:** Elasticsearch\
**Created:** [June 10, 2012, 2:27am UTC](https://discuss.elastic.co/t/kernel-messages-when-running-elasticsearch/8031 "2012-06-10T02:27:58Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![calc](https://avatars.discourse-cdn.com/v4/letter/c/ecc23a/32.png) [@calc](https://discuss.elastic.co/u/calc)\
**Post date:** [June 10, 2012, 2:27am UTC](https://discuss.elastic.co/t/kernel-messages-when-running-elasticsearch/8031/1 "2012-06-10T02:27:58Z")

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Hi there, ever since I started running ES on one of our machines, I'm  
seeing the following kernel messages quite often. Then I started a second  
machine running as full replica of the first machine (all indexing requests  
are still sent to the first machine, averages between 10-20 documents per  
second), but I don't see such kernel messages at all on the second machine,  
and the first machine is still having these kernel messages. Are these  
messages alarming? Or can I just ignore it?

kjournald(11352): WRITE block 641601792 on sdc  
kjournald(11352): WRITE block 641607008 on sdc  
kjournald(11352): WRITE block 641607336 on sdc  
kjournald(11352): WRITE block 641638048 on sdc  
kjournald(11352): WRITE block 641638688 on sdc  
java(13251): dirtied inode 14845373 (\_9hvb.fnm) on sdc  
java(13251): dirtied inode 14846225 (\_9hto.fdx) on sdc  
java(13251): dirtied inode 14846219 (\_9hto.fdt) on sdc  
java(13251): dirtied inode 14845434 (\_9hvb.fdt) on sdc  
java(13251): dirtied inode 14845767 (\_9hvb.fdx) on sdc  
java(13251): dirtied inode 14846234 (\_9hto.tis) on sdc  
java(13251): dirtied inode 14846237 (\_9hto.frq) on sdc  
java(13251): dirtied inode 14846238 (\_9hto.prx) on sdc  
java(13251): dirtied inode 14845772 (\_9hvb.tis) on sdc  
java(13251): dirtied inode 14845986 (\_9hvb.prx) on sdc  
java(13251): dirtied inode 14845984 (\_9hvb.frq) on sdc  
java(21290): READ block 260237280 on sdc  
java(21290): READ block 260262040 on sdc  
java(21290): READ block 260273408 on sdc  
java(21290): READ block 260262968 on sdc  
java(21290): READ block 260265216 on sdc

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [July 6, 2017, 3:25am UTC](https://discuss.elastic.co/t/kernel-messages-when-running-elasticsearch/8031/2 "2017-07-06T03:25:05Z")

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Closed on July 6, 2017, 3:25am UTC