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authorSean Dague2007-11-19 22:59:28 +0000
committerSean Dague2007-11-19 22:59:28 +0000
commit98f82105a08d7f317fd2f1f14c438d3d7e3c920f (patch)
treec2f4cd8fd9558cf8d0192a4b9aa0a6356522ae04 /OpenSim
parentTweaked for a possibility of 10 elements. (diff)
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put in changes to only keep the last terrain revision. The current
unbounded model causes performance and filesystem filling grief. Before enabling this again, we need a reasonable bounding model.
Diffstat (limited to 'OpenSim')
-rw-r--r--OpenSim/Region/Storage/OpenSim.DataStore.MonoSqlite/MonoSqliteDataStore.cs14
1 files changed, 14 insertions, 0 deletions
diff --git a/OpenSim/Region/Storage/OpenSim.DataStore.MonoSqlite/MonoSqliteDataStore.cs b/OpenSim/Region/Storage/OpenSim.DataStore.MonoSqlite/MonoSqliteDataStore.cs
index fc6f59c..b00b734 100644
--- a/OpenSim/Region/Storage/OpenSim.DataStore.MonoSqlite/MonoSqliteDataStore.cs
+++ b/OpenSim/Region/Storage/OpenSim.DataStore.MonoSqlite/MonoSqliteDataStore.cs
@@ -280,6 +280,20 @@ namespace OpenSim.DataStore.MonoSqlite
280 cmd.Parameters.Add(new SqliteParameter(":Heightfield", serializeTerrain(ter))); 280 cmd.Parameters.Add(new SqliteParameter(":Heightfield", serializeTerrain(ter)));
281 cmd.ExecuteNonQuery(); 281 cmd.ExecuteNonQuery();
282 } 282 }
283
284 // This is added to get rid of the infinitely growing
285 // terrain databases which negatively impact on SQLite
286 // over time. Before reenabling this feature there
287 // needs to be a limitter put on the number of
288 // revisions in the database, as this old
289 // implementation is a DOS attack waiting to happen.
290
291 using(SqliteCommand cmd = new SqliteCommand("delete from terrain where RegionUUID=:RegionUUID and Revision < :Revision", conn))
292 {
293 cmd.Parameters.Add(new SqliteParameter(":RegionUUID", regionID.ToString()));
294 cmd.Parameters.Add(new SqliteParameter(":Revision", revision));
295 cmd.ExecuteNonQuery();
296 }
283 conn.Close(); 297 conn.Close();
284 } 298 }
285 } 299 }