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If userA has a lot of recent files. But only shares 1 file with userB (that has no files at all). We could keep searching until we run out of recent files for userA. Now assume the inactive userB has 20 incomming shares like that from different users. getRecent then basically keeps consuming huge amounts of resources and with each iteration the load on the DB increases (because of the offset). This makes sure we do not get more than 3 times the limit we search for or more than 5 queries. This means we might miss some recent entries but we should fix that separatly. This is just to make sure the load on the DB stays sane. Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
Contributor
This was referenced Jul 16, 2019
Closed
Member
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/backport to stable16 |
Member
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/backport to stable15 |
Member
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/backport to stable14 |
Contributor
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We cannot backport this to stable15/stable14 but stable16 should be fine: #14185 |
Member
Why not? The PR was also back ported to 14 and 15. |
Contributor
I missed that 🙈 |
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backport to stable16 in #16432 |
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backport to stable15 in #16433 |
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backport to stable14 in #16434 |
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If userA has a lot of recent files. But only shares 1 file with userB
(that has no files at all). We could keep searching until we run out of
recent files for userA.
Now assume the inactive userB has 20 incomming shares like that from
different users. getRecent then basically keeps consuming huge amounts
of resources and with each iteration the load on the DB increases
(because of the offset).
This makes sure we do not get more than 3 times the limit we search for
or more than 5 queries.
This means we might miss some recent entries but we should fix that
separatly. This is just to make sure the load on the DB stays sane.
Signed-off-by: Roeland Jago Douma roeland@famdouma.nl