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| 06:59 |
fluxflux |
Hello, I'm soliciting any advice people might have in tracking down a memory leak in minetest. This is happening on one of the more popular public servers, Blocky Survival. The server is currently chewing up about 18GB ram after running for 24 hrs. The issue isn't in the lua memory space itself, and I can't run valgrind on a server like this, so I'm wondering if anyone might have any suggestions. |
| 07:11 |
sofar |
run valgrind, unfortunately, is almost the only way to detect and fix leaks, sorry |
| 07:13 |
sofar |
https://serverfault.com/questions/173999/dump-a-linux-processs-memory-to-file maybe can help |
| 07:15 |
sofar |
but, very difficult to read dumps :) |
| 07:30 |
fluxflux |
sofar: Thanks for your help. Because running valgrind/similar isn't an option for me here, I suppose I'm soliciting any information other server admins have discovered in diagnosing their own memory leaks. |
| 07:33 |
fluxflux |
Some further info: it started after we upgraded to 5.0 (and later 5.1), and we also upgraded the auth file (and all other DBs) to sqlite per https://github.com/minetest/minetest/pull/7279 |
| 07:49 |
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luk3yx |
Ouch, it's still an issue. |
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BuckarooBanzai1 |
fluxflux: maybe the "server_unload_unused_data_timeout" settings -> too much blocks? |
| 09:51 |
BuckarooBanzai1 |
fluxflux: how are you sure its not the lua memory? |
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fluxflux |
I'm getting Lua memory usage via collectgarbage('count'); Lua memory usage is 132 MB when the server memory usage is e.g. 6 GB. |
| 13:54 |
fluxflux |
server_unload_unused_data_timeout = 29 |
| 13:54 |
fluxflux |
i can post more server settings if relevant. |
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BuckarooBanzai1 |
fluxflux: what version do you use? Or git commit? |
| 15:12 |
fluxflux |
Minetest 5.1.0-dev-3a8ac9b0 |
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