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The following commit(s) were added to refs/heads/jena-next by this push:
new e37d308eb JENA-2354: Document the new
node_cache_initial_capacity_factor store param
e37d308eb is described below
commit e37d308ebfcd4b506752a2efb8ad7bcc716bc1d7
Author: Damien Obrist <[email protected]>
AuthorDate: Mon Jun 17 17:04:25 2024 +0200
JENA-2354: Document the new node_cache_initial_capacity_factor store param
---
source/documentation/tdb/store-parameters.md | 54 ++++++++++++++--------------
1 file changed, 28 insertions(+), 26 deletions(-)
diff --git a/source/documentation/tdb/store-parameters.md
b/source/documentation/tdb/store-parameters.md
index d642a8ef5..c1d897482 100644
--- a/source/documentation/tdb/store-parameters.md
+++ b/source/documentation/tdb/store-parameters.md
@@ -51,14 +51,15 @@ to share a database).
These options do not affect the on-disk structures.
-| JSON key name | Default value | Notes |
-|--------------------------------|--------------:|------------------------|
-| tdb.file_mode | See below | |
-| tdb.node2nodeid_cache_size | 100,000 | 50,000 on 32 bit java |
-| tdb.nodeid2node_cache_size | 500,000 | 50,000 on 32 bit java |
-| tdb.node_miss_cache_size | 100 | |
-| tdb.block_read_cache_size | 10000 | Only in direct mode |
-| tdb.block_write_cache_size | 2000 | Only in direct mode |
+| JSON key name | Default value | Notes
|
+|----------------------------------------|--------------:|-----------------------|
+| tdb.file_mode | See below |
|
+| tdb.node2nodeid_cache_size | 100,000 | 50,000 on 32 bit
java |
+| tdb.nodeid2node_cache_size | 500,000 | 50,000 on 32 bit
java |
+| tdb.node_miss_cache_size | 100 |
|
+| tdb.node_cache_initial_capacity_factor | 0.25 |
|
+| tdb.block_read_cache_size | 10000 | Only in direct mode
|
+| tdb.block_write_cache_size | 2000 | Only in direct mode
|
### File access - "mapped" and "direct" modes
@@ -121,24 +122,25 @@ These are default settings for a 64 bit Java:
```json
{
- "tdb.file_mode" : "mapped" ,
- "tdb.block_size" : 8192 ,
- "tdb.block_read_cache_size" : 10000 ,
- "tdb.block_write_cache_size" : 2000 ,
- "tdb.node2nodeid_cache_size" : 100000 ,
- "tdb.nodeid2node_cache_size" : 500000 ,
- "tdb.node_miss_cache_size" : 100 ,
- "tdb.index_node2id" : "node2id" ,
- "tdb.index_id2node" : "nodes" ,
- "tdb.triple_index_primary" : "SPO" ,
- "tdb.triple_indexes" : [ "SPO" , "POS" , "OSP" ] ,
- "tdb.quad_index_primary" : "GSPO" ,
- "tdb.quad_indexes" : [ "GSPO" , "GPOS" , "GOSP" , "POSG" , "OSPG"
, "SPOG" ] ,
- "tdb.prefix_index_primary" : "GPU" ,
- "tdb.prefix_indexes" : [ "GPU" ] ,
- "tdb.file_prefix_index" : "prefixIdx" ,
- "tdb.file_prefix_nodeid" : "prefix2id" ,
- "tdb.file_prefix_id2node" : "prefixes"
+ "tdb.file_mode" : "mapped" ,
+ "tdb.block_size" : 8192 ,
+ "tdb.block_read_cache_size" : 10000 ,
+ "tdb.block_write_cache_size" : 2000 ,
+ "tdb.node2nodeid_cache_size" : 100000 ,
+ "tdb.nodeid2node_cache_size" : 500000 ,
+ "tdb.node_miss_cache_size" : 100 ,
+ "tdb.node_cache_initial_capacity_factor" : 0.25 ,
+ "tdb.index_node2id" : "node2id" ,
+ "tdb.index_id2node" : "nodes" ,
+ "tdb.triple_index_primary" : "SPO" ,
+ "tdb.triple_indexes" : [ "SPO" , "POS" , "OSP" ] ,
+ "tdb.quad_index_primary" : "GSPO" ,
+ "tdb.quad_indexes" : [ "GSPO" , "GPOS" , "GOSP" ,
"POSG" , "OSPG" , "SPOG" ] ,
+ "tdb.prefix_index_primary" : "GPU" ,
+ "tdb.prefix_indexes" : [ "GPU" ] ,
+ "tdb.file_prefix_index" : "prefixIdx" ,
+ "tdb.file_prefix_nodeid" : "prefix2id" ,
+ "tdb.file_prefix_id2node" : "prefixes"
}
```
