From a4671b84f060bf4e55777f6ae681434bbe60ef98 Mon Sep 17 00:00:00 2001
From: David Zhao <bravetheheat1998@gmail.com>
Date: Tue, 1 Sep 2020 07:46:53 -0400
Subject: [PATCH] Expose COPY_CONCURRENCY to users (#972)

Allow users to override how the number of threads used when generating map vector tiles.
---
 .env               | 3 +++
 docker-compose.yml | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/.env b/.env
index 962aeaf1..a685bd8e 100644
--- a/.env
+++ b/.env
@@ -44,3 +44,6 @@ BORDERS_CSV_FILE=data/borders/lines.csv
 
 # Number of parallel processes to use when importing sql files
 MAX_PARALLEL_PSQL=5
+
+# Number of parallel threads to use when generating vector map tiles
+COPY_CONCURRENCY=10
diff --git a/docker-compose.yml b/docker-compose.yml
index 469baa84..c82e9055 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -65,6 +65,8 @@ services:
     environment:
       FILTER_MAPNIK_OUTPUT: ${FILTER_MAPNIK_OUTPUT}
       MBTILES_NAME: ${MBTILES_FILE}
+      # Control tilelive-copy threads
+      COPY_CONCURRENCY: ${COPY_CONCURRENCY}
 
   generate-vectortiles:
     image: "openmaptiles/generate-vectortiles:${TOOLS_VERSION}"
@@ -80,6 +82,9 @@ services:
       BBOX: ${BBOX}
       MIN_ZOOM: ${MIN_ZOOM}
       MAX_ZOOM: ${MAX_ZOOM}
+      # Control tilelive-copy threads
+      COPY_CONCURRENCY: ${COPY_CONCURRENCY}
+      #
 
   postserve:
     image: "openmaptiles/openmaptiles-tools:${TOOLS_VERSION}"