diff --git a/batch/job_backend.js b/batch/job_backend.js
index 8b27be78..c661cedf 100644
--- a/batch/job_backend.js
+++ b/batch/job_backend.js
@@ -2,7 +2,7 @@
 
 var uuid = require('node-uuid');
 var queue = require('queue-async');
-var JOBS_TTL_IN_SECONDS = 48 * 3600;
+var JOBS_TTL_IN_SECONDS = global.settings.jobs_ttl_in_seconds || 48 * 3600; // 48 hours
 
 function JobBackend(metadataBackend, jobQueueProducer, jobPublisher, userIndexer) {
     this.db = 5;
diff --git a/config/environments/development.js.example b/config/environments/development.js.example
index 06c96480..3f46b9ec 100644
--- a/config/environments/development.js.example
+++ b/config/environments/development.js.example
@@ -29,6 +29,7 @@ module.exports.db_pubuser_pass   = 'public';
 module.exports.db_host      = 'localhost';
 module.exports.db_port      = '5432';
 module.exports.db_batch_port      = '5432';
+module.exports.jobs_ttl_in_seconds = 48 * 3600; // 48 hours
 // Max database connections in the pool
 // Subsequent connections will wait for a free slot.
 // NOTE: not used by OGR-mediated accesses
diff --git a/config/environments/production.js.example b/config/environments/production.js.example
index f7d3868d..09e1abe3 100644
--- a/config/environments/production.js.example
+++ b/config/environments/production.js.example
@@ -29,7 +29,8 @@ module.exports.db_pubuser   = 'publicuser';
 module.exports.db_pubuser_pass   = 'public';
 module.exports.db_host      = 'localhost';
 module.exports.db_port      = '6432';
-module.exports.db_batch_port      = '6432';
+module.exports.db_batch_port      = '5432';
+module.exports.jobs_ttl_in_seconds = 48 * 3600; // 48 hours
 // Max database connections in the pool
 // Subsequent connections will wait for a free slot.i
 // NOTE: not used by OGR-mediated accesses
diff --git a/config/environments/staging.js.example b/config/environments/staging.js.example
index f90ba14b..51eecc7d 100644
--- a/config/environments/staging.js.example
+++ b/config/environments/staging.js.example
@@ -29,7 +29,8 @@ module.exports.db_pubuser   = 'publicuser';
 module.exports.db_pubuser_pass   = 'public';
 module.exports.db_host      = 'localhost';
 module.exports.db_port      = '6432';
-module.exports.db_batch_port      = '6432';
+module.exports.db_batch_port      = '5432';
+module.exports.jobs_ttl_in_seconds = 48 * 3600; // 48 hours
 // Max database connections in the pool
 // Subsequent connections will wait for a free slot.
 // NOTE: not used by OGR-mediated accesses
diff --git a/config/environments/test.js.example b/config/environments/test.js.example
index 1cea7ae2..314983a5 100644
--- a/config/environments/test.js.example
+++ b/config/environments/test.js.example
@@ -27,6 +27,7 @@ module.exports.db_pubuser_pass   = 'public';
 module.exports.db_host      = 'localhost';
 module.exports.db_port      = '5432';
 module.exports.db_batch_port      = '5432';
+module.exports.jobs_ttl_in_seconds = 48 * 3600; // 48 hours
 // Max database connections in the pool
 // Subsequent connections will wait for a free slot.
 // NOTE: not used by OGR-mediated accesses