100 000 images in a single directory

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP











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I am taking over the hosting of a poorly written application (I am not paid for this) and I am wondering which filesystem would serve best a hundred thousand images totaling some 900GB in a single directory. As this server is chiefly my development server, there is plenty of spare CPU power (it's an E3-1275V2 idle most of the time) and RAM (about 20-27 GB free), these are not considerations.



The files never change. Maybe they are deleted rarely but most definitely they are not changed.










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  • 2




    This is just my opinion, but I'd go with xfs as it was originally designed for this workload. Second choice is zfs but I've never done any production work with this filesystem.
    – Doug O'Neal
    Nov 23 at 15:17






  • 1




    I don't think the fs will matter much in this case. What matters is how the application handles the directory.
    – Henrik
    Nov 23 at 15:31






  • 1




    I would divide up the image files into one or two layers of subdirectories, make the application access them at the new locations and then use whatever filesystem was default one.
    – Kusalananda
    Nov 23 at 15:39






  • 1




    And note that applications that try something to do with the file names (like ls, which will attempt to sort them) still present problems, even if the file system handles it well.
    – dirkt
    Nov 23 at 16:13














up vote
2
down vote

favorite












I am taking over the hosting of a poorly written application (I am not paid for this) and I am wondering which filesystem would serve best a hundred thousand images totaling some 900GB in a single directory. As this server is chiefly my development server, there is plenty of spare CPU power (it's an E3-1275V2 idle most of the time) and RAM (about 20-27 GB free), these are not considerations.



The files never change. Maybe they are deleted rarely but most definitely they are not changed.










share|improve this question

















  • 2




    This is just my opinion, but I'd go with xfs as it was originally designed for this workload. Second choice is zfs but I've never done any production work with this filesystem.
    – Doug O'Neal
    Nov 23 at 15:17






  • 1




    I don't think the fs will matter much in this case. What matters is how the application handles the directory.
    – Henrik
    Nov 23 at 15:31






  • 1




    I would divide up the image files into one or two layers of subdirectories, make the application access them at the new locations and then use whatever filesystem was default one.
    – Kusalananda
    Nov 23 at 15:39






  • 1




    And note that applications that try something to do with the file names (like ls, which will attempt to sort them) still present problems, even if the file system handles it well.
    – dirkt
    Nov 23 at 16:13












up vote
2
down vote

favorite









up vote
2
down vote

favorite











I am taking over the hosting of a poorly written application (I am not paid for this) and I am wondering which filesystem would serve best a hundred thousand images totaling some 900GB in a single directory. As this server is chiefly my development server, there is plenty of spare CPU power (it's an E3-1275V2 idle most of the time) and RAM (about 20-27 GB free), these are not considerations.



The files never change. Maybe they are deleted rarely but most definitely they are not changed.










share|improve this question













I am taking over the hosting of a poorly written application (I am not paid for this) and I am wondering which filesystem would serve best a hundred thousand images totaling some 900GB in a single directory. As this server is chiefly my development server, there is plenty of spare CPU power (it's an E3-1275V2 idle most of the time) and RAM (about 20-27 GB free), these are not considerations.



The files never change. Maybe they are deleted rarely but most definitely they are not changed.







filesystems






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 23 at 15:06









chx

531415




531415







  • 2




    This is just my opinion, but I'd go with xfs as it was originally designed for this workload. Second choice is zfs but I've never done any production work with this filesystem.
    – Doug O'Neal
    Nov 23 at 15:17






  • 1




    I don't think the fs will matter much in this case. What matters is how the application handles the directory.
    – Henrik
    Nov 23 at 15:31






  • 1




    I would divide up the image files into one or two layers of subdirectories, make the application access them at the new locations and then use whatever filesystem was default one.
    – Kusalananda
    Nov 23 at 15:39






  • 1




    And note that applications that try something to do with the file names (like ls, which will attempt to sort them) still present problems, even if the file system handles it well.
    – dirkt
    Nov 23 at 16:13












  • 2




    This is just my opinion, but I'd go with xfs as it was originally designed for this workload. Second choice is zfs but I've never done any production work with this filesystem.
    – Doug O'Neal
    Nov 23 at 15:17






  • 1




    I don't think the fs will matter much in this case. What matters is how the application handles the directory.
    – Henrik
    Nov 23 at 15:31






  • 1




    I would divide up the image files into one or two layers of subdirectories, make the application access them at the new locations and then use whatever filesystem was default one.
    – Kusalananda
    Nov 23 at 15:39






  • 1




    And note that applications that try something to do with the file names (like ls, which will attempt to sort them) still present problems, even if the file system handles it well.
    – dirkt
    Nov 23 at 16:13







2




2




This is just my opinion, but I'd go with xfs as it was originally designed for this workload. Second choice is zfs but I've never done any production work with this filesystem.
– Doug O'Neal
Nov 23 at 15:17




This is just my opinion, but I'd go with xfs as it was originally designed for this workload. Second choice is zfs but I've never done any production work with this filesystem.
– Doug O'Neal
Nov 23 at 15:17




1




1




I don't think the fs will matter much in this case. What matters is how the application handles the directory.
– Henrik
Nov 23 at 15:31




I don't think the fs will matter much in this case. What matters is how the application handles the directory.
– Henrik
Nov 23 at 15:31




1




1




I would divide up the image files into one or two layers of subdirectories, make the application access them at the new locations and then use whatever filesystem was default one.
– Kusalananda
Nov 23 at 15:39




I would divide up the image files into one or two layers of subdirectories, make the application access them at the new locations and then use whatever filesystem was default one.
– Kusalananda
Nov 23 at 15:39




1




1




And note that applications that try something to do with the file names (like ls, which will attempt to sort them) still present problems, even if the file system handles it well.
– dirkt
Nov 23 at 16:13




And note that applications that try something to do with the file names (like ls, which will attempt to sort them) still present problems, even if the file system handles it well.
– dirkt
Nov 23 at 16:13










1 Answer
1






active

oldest

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up vote
3
down vote



accepted










In generally xfs is developed to handle very large files with random access and many (millions) of files in single directory.






share|improve this answer




















  • The speed usually does not depend on the filesystem but rather on the efficience of the DNLC.
    – schily
    Nov 23 at 17:47











  • @schily I did not test such solution on really large scale setup, but IMHO this filesystem provide one of the best balances and speed.
    – Romeo Ninov
    Nov 23 at 17:59






  • 1




    Well let's say it claims this feature, but since it is not available on Solaris or FreeBSD, you cannot compare it with ZFS and for this reason such a claim does not really help.
    – schily
    Nov 23 at 18:01










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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
3
down vote



accepted










In generally xfs is developed to handle very large files with random access and many (millions) of files in single directory.






share|improve this answer




















  • The speed usually does not depend on the filesystem but rather on the efficience of the DNLC.
    – schily
    Nov 23 at 17:47











  • @schily I did not test such solution on really large scale setup, but IMHO this filesystem provide one of the best balances and speed.
    – Romeo Ninov
    Nov 23 at 17:59






  • 1




    Well let's say it claims this feature, but since it is not available on Solaris or FreeBSD, you cannot compare it with ZFS and for this reason such a claim does not really help.
    – schily
    Nov 23 at 18:01














up vote
3
down vote



accepted










In generally xfs is developed to handle very large files with random access and many (millions) of files in single directory.






share|improve this answer




















  • The speed usually does not depend on the filesystem but rather on the efficience of the DNLC.
    – schily
    Nov 23 at 17:47











  • @schily I did not test such solution on really large scale setup, but IMHO this filesystem provide one of the best balances and speed.
    – Romeo Ninov
    Nov 23 at 17:59






  • 1




    Well let's say it claims this feature, but since it is not available on Solaris or FreeBSD, you cannot compare it with ZFS and for this reason such a claim does not really help.
    – schily
    Nov 23 at 18:01












up vote
3
down vote



accepted







up vote
3
down vote



accepted






In generally xfs is developed to handle very large files with random access and many (millions) of files in single directory.






share|improve this answer












In generally xfs is developed to handle very large files with random access and many (millions) of files in single directory.







share|improve this answer












share|improve this answer



share|improve this answer










answered Nov 23 at 15:40









Romeo Ninov

5,01431627




5,01431627











  • The speed usually does not depend on the filesystem but rather on the efficience of the DNLC.
    – schily
    Nov 23 at 17:47











  • @schily I did not test such solution on really large scale setup, but IMHO this filesystem provide one of the best balances and speed.
    – Romeo Ninov
    Nov 23 at 17:59






  • 1




    Well let's say it claims this feature, but since it is not available on Solaris or FreeBSD, you cannot compare it with ZFS and for this reason such a claim does not really help.
    – schily
    Nov 23 at 18:01
















  • The speed usually does not depend on the filesystem but rather on the efficience of the DNLC.
    – schily
    Nov 23 at 17:47











  • @schily I did not test such solution on really large scale setup, but IMHO this filesystem provide one of the best balances and speed.
    – Romeo Ninov
    Nov 23 at 17:59






  • 1




    Well let's say it claims this feature, but since it is not available on Solaris or FreeBSD, you cannot compare it with ZFS and for this reason such a claim does not really help.
    – schily
    Nov 23 at 18:01















The speed usually does not depend on the filesystem but rather on the efficience of the DNLC.
– schily
Nov 23 at 17:47





The speed usually does not depend on the filesystem but rather on the efficience of the DNLC.
– schily
Nov 23 at 17:47













@schily I did not test such solution on really large scale setup, but IMHO this filesystem provide one of the best balances and speed.
– Romeo Ninov
Nov 23 at 17:59




@schily I did not test such solution on really large scale setup, but IMHO this filesystem provide one of the best balances and speed.
– Romeo Ninov
Nov 23 at 17:59




1




1




Well let's say it claims this feature, but since it is not available on Solaris or FreeBSD, you cannot compare it with ZFS and for this reason such a claim does not really help.
– schily
Nov 23 at 18:01




Well let's say it claims this feature, but since it is not available on Solaris or FreeBSD, you cannot compare it with ZFS and for this reason such a claim does not really help.
– schily
Nov 23 at 18:01

















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