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resolve ambiguity in MARK_CACHE_SIZE default settings

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This commit is contained in:
Denny Crane 2024-06-21 15:39:57 -03:00
parent 762c91a073
commit a902d37615
3 changed files with 5 additions and 5 deletions
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4
programs/server/config.xml
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@ -409,12 +409,12 @@
<!-- Approximate size of mark cache, used in tables of MergeTree family.
In bytes. Cache is single for server. Memory is allocated only on demand.
You should not lower this value.
<mark_cache_size>5368709120</mark_cache_size>
-->
<mark_cache_size>5368709120</mark_cache_size>
<!-- For marks of secondary indices.
<index_mark_cache_size>5368709120</index_mark_cache_size>
-->
<index_mark_cache_size>5368709120</index_mark_cache_size>
<!-- If you enable the `min_bytes_to_use_mmap_io` setting,
the data in MergeTree tables can be read with mmap to avoid copying from kernel to userspace.

2
programs/server/config.yaml.example
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@ -260,7 +260,7 @@ uncompressed_cache_size: 8589934592
# Approximate size of mark cache, used in tables of MergeTree family.
# In bytes. Cache is single for server. Memory is allocated only on demand.
# You should not lower this value.
mark_cache_size: 5368709120
# mark_cache_size: 5368709120
# If you enable the `min_bytes_to_use_mmap_io` setting,
# the data in MergeTree tables can be read with mmap to avoid copying from kernel to userspace.

4
src/Core/Defines.h
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@ -90,13 +90,13 @@ static constexpr auto DEFAULT_UNCOMPRESSED_CACHE_POLICY = "SLRU";
static constexpr auto DEFAULT_UNCOMPRESSED_CACHE_MAX_SIZE = 0_MiB;
static constexpr auto DEFAULT_UNCOMPRESSED_CACHE_SIZE_RATIO = 0.5l;
static constexpr auto DEFAULT_MARK_CACHE_POLICY = "SLRU";
static constexpr auto DEFAULT_MARK_CACHE_MAX_SIZE = 5368_MiB;
static constexpr auto DEFAULT_MARK_CACHE_MAX_SIZE = 5120_MiB;
static constexpr auto DEFAULT_MARK_CACHE_SIZE_RATIO = 0.5l;
static constexpr auto DEFAULT_INDEX_UNCOMPRESSED_CACHE_POLICY = "SLRU";
static constexpr auto DEFAULT_INDEX_UNCOMPRESSED_CACHE_MAX_SIZE = 0;
static constexpr auto DEFAULT_INDEX_UNCOMPRESSED_CACHE_SIZE_RATIO = 0.5;
static constexpr auto DEFAULT_INDEX_MARK_CACHE_POLICY = "SLRU";
static constexpr auto DEFAULT_INDEX_MARK_CACHE_MAX_SIZE = 5368_MiB;
static constexpr auto DEFAULT_INDEX_MARK_CACHE_MAX_SIZE = 5120_MiB;
static constexpr auto DEFAULT_INDEX_MARK_CACHE_SIZE_RATIO = 0.3;
static constexpr auto DEFAULT_MMAP_CACHE_MAX_SIZE = 1_KiB; /// chosen by rolling dice
static constexpr auto DEFAULT_COMPILED_EXPRESSION_CACHE_MAX_SIZE = 128_MiB;