From 3b142bcddec25b339601a92a0a58113b7f89ff94 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Fri, 24 Jun 2022 16:19:47 +0530
Subject: virtuoso: Document first time upload failure with large files.

* topics/systems/virtuoso.gmi (Loading data into virtuoso): Document
first time upload failure with large files.
---
 topics/systems/virtuoso.gmi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/topics/systems/virtuoso.gmi b/topics/systems/virtuoso.gmi
index b48fbef..f895e50 100644
--- a/topics/systems/virtuoso.gmi
+++ b/topics/systems/virtuoso.gmi
@@ -140,3 +140,7 @@ $ isql
 SQL> DELETE FROM rdf_quad WHERE g = iri_to_id('http://example.org');
 ```
 => http://vos.openlinksw.com/owiki/wiki/VOS/VirtTipsAndTricksGuideDeleteLargeGraphs How can I delete graphs containing large numbers of triples from the Virtuoso Quad Store?
+
+When virtuoso has just been started up with a clean state (that is, the virtuoso state directory was empty before virtuoso started), uploading large amounts of data using the SPARQL 1.1 Graph Store HTTP Protocol fails the first time. It succeeds only the second time. It is not clear why. I can only recommend retrying as in this commit:
+
+=> https://git.genenetwork.org/arunisaac/dump-genenetwork-database/commit/8f60fde7f5499e5ffe352d7ae98a2de34a91b89f Retry uploading to virtuoso (commit from dump-genenetwork-database repo)
-- 
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