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Add BloomFilter to levelDB #253

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shargon merged 12 commits into from
Jul 16, 2020
Merged

Add BloomFilter to levelDB #253

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feb8db0
Add BloomFilter to levelDB
May 29, 2020
c7c00f4
Code optimization
May 29, 2020
ff98f9e
Merge branch 'master' into add_bloomFilter_to_levelDB
Qiao-Jin Jun 1, 2020
782b88e
Code optimization
Jun 1, 2020
29abecd
Merge branch 'master' into add_bloomFilter_to_levelDB
Qiao-Jin Jun 24, 2020
9ca8019
Merge branch 'master' into add_bloomFilter_to_levelDB
shargon Jul 7, 2020
e3397a8
Merge branch 'master' into add_bloomFilter_to_levelDB
Qiao-Jin Jul 10, 2020
5107c5b
Merge branch 'master' into add_bloomFilter_to_levelDB
Qiao-Jin Jul 14, 2020
7bccc9f
Optimize bloomfilter bits per key value
Qiao-Jin Jul 14, 2020
3f49b2b
Hard-code bloomfilter bitsPeyKey to 15
Jul 15, 2020
aca9ac9
Code optimization
Jul 15, 2020
e288101
Merge branch 'master' into add_bloomFilter_to_levelDB
erikzhang Jul 16, 2020
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3 changes: 3 additions & 0 deletions src/LevelDBStore/IO/Data/LevelDB/Native.cs
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Expand Up @@ -155,6 +155,9 @@ public static class Native

[DllImport("libleveldb", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern void leveldb_options_set_filter_policy(IntPtr /*Options*/ options, IntPtr /*FilterPolicy*/ policy);

[DllImport("libleveldb", CharSet = CharSet.Ansi, CallingConvention = CallingConvention.Cdecl)]
public static extern IntPtr leveldb_filterpolicy_create_bloom(int bits_per_key);
#endregion

#region ReadOptions
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2 changes: 1 addition & 1 deletion src/LevelDBStore/LevelDBStore/config.json
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@@ -1,4 +1,4 @@
{
{
"PluginConfiguration": {
"Path": "Data_LevelDB_{0}"
}
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2 changes: 1 addition & 1 deletion src/LevelDBStore/Plugins/Storage/Store.cs
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Expand Up @@ -16,7 +16,7 @@ internal class Store : IStore

public Store(string path)
{
this.db = DB.Open(path, new Options { CreateIfMissing = true });
this.db = DB.Open(path, new Options { CreateIfMissing = true, FilterPolicy = Native.leveldb_filterpolicy_create_bloom(15) });
byte[] value = db.Get(ReadOptions.Default, LHelper.CreateKey(SYS_Version));
if (value != null && Version.TryParse(Encoding.ASCII.GetString(value), out Version version) && version >= Version.Parse("3.0.0"))
return;
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