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Set default 'cre_storage_size_factor' to 20 (#3732)

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Increase default crengine in-memory cache sizes to avoid pack/unpack
of chunks that is known to be the cause of bugs (rendering, cache
re-use...).
This commit is contained in:
poire-z
2018-03-08 21:23:52 +01:00
committed by GitHub
parent 16061370f4
commit 5cd51ea0fe
1 changed files with 9 additions and 1 deletions
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10
frontend/document/credocument.lua
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@@ -47,9 +47,17 @@ function CreDocument:cacheInit()
if lfs.attributes("./cr3cache", "mode") == "directory" then
os.execute("rm -r ./cr3cache")
end
-- crengine various in-memory caches max-sizes are rather small
-- (2.5 / 4.5 / 1.5 / 1 MB), and we can avoid some bugs if we
-- increase them. Let's multiply them by 20 (each cache would
-- grow only when needed, depending on book characteristics).
-- People who would get out of memory crashes with big books on
-- older devices can decrease that with setting:
-- "cre_storage_size_factor"=1 (or 2, or 5)
local default_cre_storage_size_factor = 20
cre.initCache(DataStorage:getDataDir() .. "/cache/cr3cache", 1024*1024*32,
G_reader_settings:nilOrTrue("cre_compress_cached_data"),
G_reader_settings:readSetting("cre_storage_size_factor"))
G_reader_settings:readSetting("cre_storage_size_factor") or default_cre_storage_size_factor)
end
function CreDocument:engineInit()