From efd1d8339ad9a2bb7a164e7475734a90f6fa034c Mon Sep 17 00:00:00 2001 From: "Wladimir J. van der Laan" Date: Thu, 30 Jun 2016 11:01:19 +0200 Subject: [PATCH] doc: Mention dbcache increase in release notes --- doc/release-notes.md | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/doc/release-notes.md b/doc/release-notes.md index 6e4f390cb..df63bb53e 100644 --- a/doc/release-notes.md +++ b/doc/release-notes.md @@ -41,9 +41,21 @@ report issues about Windows XP to the issue tracker. Notable changes =============== -Example item ----------------- +Database cache memory increased +-------------------------------- + +As a result of growth of the UTXO set, performance with the prior default +database cache of 100 MiB has suffered. +For this reason the default was changed to 300 MiB in this release. + +For nodes on low-memory systems, the database cache can be changed back to +100 MiB (or to another value) by either: + +- Adding `dbcache=100` in bitcoin.conf +- Changing it in the GUI under `Options → Size of database cache` +Note that the database cache setting has the most performance impact +during initial sync of a node, and when catching up after downtime. bitcoin-cli: arguments privacy --------------------------------