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Huge amount of session data in /var/sessions
The 2019 Stack Overflow Developer Survey Results Are In
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The website just went down, restarted the server and within a minute it went down again.
I quickly found out the problem was that the disk quota had been exceeded and allowed memory exhausted.
This was due to hundreds of thousands if not millions of sess_* files in var/session folder.
I tried lots of ways to remove them and this is what worked:
find . -name 'sess_*' | xargs rm
My Website is now back in good condition and no errors for now but within minutes I can see there are over 500 new session files.
Is this normal?
What should I do to prevent the server going down?
session performance customer-session php-7 hosting
edited Aug 10 '16 at 10:44
7ochem
5,84493768
asked Aug 10 '16 at 9:37
Mike Tim TurnerMike Tim Turner
564421
bumped to the homepage by Community♦ 16 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
The website just went down, restarted the server and within a minute it went down again.
I quickly found out the problem was that the disk quota had been exceeded and allowed memory exhausted.
This was due to hundreds of thousands if not millions of sess_* files in var/session folder.
I tried lots of ways to remove them and this is what worked:
find . -name 'sess_*' | xargs rm
My Website is now back in good condition and no errors for now but within minutes I can see there are over 500 new session files.
Is this normal?
What should I do to prevent the server going down?
session performance customer-session php-7 hosting
edited Aug 10 '16 at 10:44
7ochem
5,84493768
asked Aug 10 '16 at 9:37
Mike Tim TurnerMike Tim Turner
564421
bumped to the homepage by Community♦ 16 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
The website just went down, restarted the server and within a minute it went down again.
I quickly found out the problem was that the disk quota had been exceeded and allowed memory exhausted.
This was due to hundreds of thousands if not millions of sess_* files in var/session folder.
I tried lots of ways to remove them and this is what worked:
find . -name 'sess_*' | xargs rm
My Website is now back in good condition and no errors for now but within minutes I can see there are over 500 new session files.
Is this normal?
What should I do to prevent the server going down?
session performance customer-session php-7 hosting
edited Aug 10 '16 at 10:44
7ochem
5,84493768
asked Aug 10 '16 at 9:37
Mike Tim TurnerMike Tim Turner
564421
The website just went down, restarted the server and within a minute it went down again.
I quickly found out the problem was that the disk quota had been exceeded and allowed memory exhausted.
This was due to hundreds of thousands if not millions of sess_* files in var/session folder.
I tried lots of ways to remove them and this is what worked:
find . -name 'sess_*' | xargs rm
My Website is now back in good condition and no errors for now but within minutes I can see there are over 500 new session files.
Is this normal?
What should I do to prevent the server going down?
session performance customer-session php-7 hosting
session performance customer-session php-7 hosting
edited Aug 10 '16 at 10:44
7ochem
5,84493768
asked Aug 10 '16 at 9:37
Mike Tim TurnerMike Tim Turner
564421
edited Aug 10 '16 at 10:44
7ochem
5,84493768
asked Aug 10 '16 at 9:37
Mike Tim TurnerMike Tim Turner
564421
edited Aug 10 '16 at 10:44
7ochem
5,84493768
edited Aug 10 '16 at 10:44
7ochem
5,84493768
edited Aug 10 '16 at 10:44
7ochem
5,84493768
5,84493768
asked Aug 10 '16 at 9:37
Mike Tim TurnerMike Tim Turner
564421
asked Aug 10 '16 at 9:37
Mike Tim TurnerMike Tim Turner
564421
asked Aug 10 '16 at 9:37
Mike Tim TurnerMike Tim Turner
564421
564421
bumped to the homepage by Community♦ 16 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
bumped to the homepage by Community♦ 16 mins ago
This question has answers that may be good or bad; the system has marked it active so that they can be reviewed.
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
It sounds to me like you might have been hit by heavy load potentially. You might not be able to effectively handle a sudden spike without some form of load balancing and auto scaling such as using AWS and multiple servers.
However, alternatively it could just be that it grew to excessive size because nothing is cleaning up the sessions.
I would recommend you consider switching to use Redis as a caching service for sessions. Redis comes with a build in TTL on sessions and as a consequence of this, old sessions would simply drop from the database and stop filling the hard drive with old files.
Official Documentation:
Magento 1: http://devdocs.magento.com/guides/m1x/ce18-ee113/using_redis.html
Magento 2: http://devdocs.magento.com/guides/v2.0/config-guide/redis/config-redis.html
Hope that helps.
answered Aug 10 '16 at 10:53
John CuthbertJohn Cuthbert
2,261828
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
It sounds to me like you might have been hit by heavy load potentially. You might not be able to effectively handle a sudden spike without some form of load balancing and auto scaling such as using AWS and multiple servers.
However, alternatively it could just be that it grew to excessive size because nothing is cleaning up the sessions.
I would recommend you consider switching to use Redis as a caching service for sessions. Redis comes with a build in TTL on sessions and as a consequence of this, old sessions would simply drop from the database and stop filling the hard drive with old files.
Official Documentation:
Magento 1: http://devdocs.magento.com/guides/m1x/ce18-ee113/using_redis.html
Magento 2: http://devdocs.magento.com/guides/v2.0/config-guide/redis/config-redis.html
Hope that helps.
answered Aug 10 '16 at 10:53
John CuthbertJohn Cuthbert
2,261828
add a comment |
It sounds to me like you might have been hit by heavy load potentially. You might not be able to effectively handle a sudden spike without some form of load balancing and auto scaling such as using AWS and multiple servers.
However, alternatively it could just be that it grew to excessive size because nothing is cleaning up the sessions.
I would recommend you consider switching to use Redis as a caching service for sessions. Redis comes with a build in TTL on sessions and as a consequence of this, old sessions would simply drop from the database and stop filling the hard drive with old files.
Official Documentation:
Magento 1: http://devdocs.magento.com/guides/m1x/ce18-ee113/using_redis.html
Magento 2: http://devdocs.magento.com/guides/v2.0/config-guide/redis/config-redis.html
Hope that helps.
answered Aug 10 '16 at 10:53
John CuthbertJohn Cuthbert
2,261828
add a comment |
It sounds to me like you might have been hit by heavy load potentially. You might not be able to effectively handle a sudden spike without some form of load balancing and auto scaling such as using AWS and multiple servers.
However, alternatively it could just be that it grew to excessive size because nothing is cleaning up the sessions.
I would recommend you consider switching to use Redis as a caching service for sessions. Redis comes with a build in TTL on sessions and as a consequence of this, old sessions would simply drop from the database and stop filling the hard drive with old files.
Official Documentation:
Magento 1: http://devdocs.magento.com/guides/m1x/ce18-ee113/using_redis.html
Magento 2: http://devdocs.magento.com/guides/v2.0/config-guide/redis/config-redis.html
Hope that helps.
answered Aug 10 '16 at 10:53
John CuthbertJohn Cuthbert
2,261828
It sounds to me like you might have been hit by heavy load potentially. You might not be able to effectively handle a sudden spike without some form of load balancing and auto scaling such as using AWS and multiple servers.
However, alternatively it could just be that it grew to excessive size because nothing is cleaning up the sessions.
I would recommend you consider switching to use Redis as a caching service for sessions. Redis comes with a build in TTL on sessions and as a consequence of this, old sessions would simply drop from the database and stop filling the hard drive with old files.
Official Documentation:
Magento 1: http://devdocs.magento.com/guides/m1x/ce18-ee113/using_redis.html
Magento 2: http://devdocs.magento.com/guides/v2.0/config-guide/redis/config-redis.html
Hope that helps.
answered Aug 10 '16 at 10:53
John CuthbertJohn Cuthbert
2,261828
answered Aug 10 '16 at 10:53
John CuthbertJohn Cuthbert
2,261828
answered Aug 10 '16 at 10:53
John CuthbertJohn Cuthbert
2,261828
answered Aug 10 '16 at 10:53
John CuthbertJohn Cuthbert
2,261828
2,261828
add a comment |
add a comment |
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