diff --git a/lib/api/sql/query-controller.js b/lib/api/sql/query-controller.js
index be0863fa..f8be5e15 100644
--- a/lib/api/sql/query-controller.js
+++ b/lib/api/sql/query-controller.js
@@ -73,7 +73,7 @@ module.exports = class QueryController {
 
 function handleQuery ({ stats } = {}) {
     return function handleQueryMiddleware (req, res, next) {
-        const { user: username, userDbParams: dbopts, userLimits, logger } = res.locals;
+        const { user: username, userDbParams: dbopts, userLimits } = res.locals;
         const { orderBy, sortOrder, limit, offset } = res.locals.params;
         const { sql, skipfields, decimalPrecision, filename, callback } = res.locals.params;
 
@@ -107,8 +107,6 @@ function handleQuery ({ stats } = {}) {
                 res.header('X-Served-By-DB-Host', dbopts.host);
             }
 
-            logger.info({ custom: true }, 'Starting formatter handler');
-
             formatter.sendResponse(opts, (err) => {
                 formatter = null;
 
diff --git a/lib/models/formats/ogr.js b/lib/models/formats/ogr.js
index 0e6e7829..cc5b76ad 100644
--- a/lib/models/formats/ogr.js
+++ b/lib/models/formats/ogr.js
@@ -95,21 +95,15 @@ OgrFormat.prototype.toOGR = function (options, outFormat, outFilename, callback)
     step(
 
         function fetchColumns () {
-            logger.info({ custom: true }, 'Getting dataset columns');
-
             var colsql = 'SELECT * FROM (' + sql + ') as _cartodbsqlapi LIMIT 0';
             pg = new PSQL(dbopts);
             pg.query(colsql, this);
-
-            logger.info({ custom: true, colsql: colsql }, 'Dataset columns query done');
         },
         function findSRS (err, result) {
             if (err) {
                 throw err;
             }
 
-            logger.info({ custom: true }, 'FindSRS');
-
             var needSRS = that._needSRS;
 
             columns = result.fields
@@ -156,8 +150,6 @@ OgrFormat.prototype.toOGR = function (options, outFormat, outFilename, callback)
                 throw err;
             }
 
-            logger.info({ custom: true }, 'Generating ogr2ogr parameters');
-
             var next = this;
 
             var ogrsql = 'SELECT ' + columns.join(',') + ' FROM (' + sql + ') as _cartodbsqlapi';
@@ -187,8 +179,6 @@ OgrFormat.prototype.toOGR = function (options, outFormat, outFilename, callback)
 
             ogrargs.push('-nln', outLayername);
 
-            logger.info({ custom: true }, 'Executing ogr2ogr command');
-
             // TODO: research if `exec` could fit better than `spawn`
             var child = spawn(ogr2ogr, ogrargs);
 
@@ -238,8 +228,6 @@ OgrFormat.prototype.toOGR = function (options, outFormat, outFilename, callback)
 };
 
 OgrFormat.prototype.toOGR_SingleFile = function (options, fmt, callback) {
-    logger.info({ custom: true }, 'Generating filename');
-
     var dbname = options.dbopts.dbname;
     var userId = options.dbopts.user;
     var gcol = options.gcol;
@@ -248,8 +236,6 @@ OgrFormat.prototype.toOGR_SingleFile = function (options, fmt, callback) {
     var ext = this._fileExtension;
     var layername = options.filename;
 
-    logger.info({ custom: true }, 'Generating filename parameters');
-
     var tmpdir = global.settings.tmpDir || '/tmp';
     var reqKey = this.limitPathname([
         fmt,
@@ -262,8 +248,6 @@ OgrFormat.prototype.toOGR_SingleFile = function (options, fmt, callback) {
     var outdirpath = tmpdir + '/sqlapi-' + process.pid + '-' + reqKey;
     var dumpfile = outdirpath + ':cartodb-query.' + ext;
 
-    logger.info({ custom: true, dumpfile: dumpfile }, 'File name generated');
-
     // TODO: following tests:
     //  - fetch query with no "the_geom" column
     this.toOGR(options, fmt, dumpfile, callback);
@@ -271,20 +255,17 @@ OgrFormat.prototype.toOGR_SingleFile = function (options, fmt, callback) {
 
 OgrFormat.prototype.sendResponse = function (opts, callback) {
     // var next = callback;
-
-    logger.info({ custom: true }, 'Format sendResponse');
     var reqKey = this.getKey(opts);
-    logger.info({ custom: true }, 'Format getKey');
     var qElem = new ExportRequest(opts.sink, callback, opts.beforeSink);
-    logger.info({ custom: true }, 'Format qElem');
     var baking = bakingExports[reqKey];
-    logger.info({ custom: true }, 'Format baking');
 
     if (baking) {
+        logger.info({ custom: true, reqKey: reqKey }, 'Baking!');
         baking.req.push(qElem);
     } else {
+        logger.info({ custom: true, reqKey: reqKey }, 'Not baking!');
+
         baking = bakingExports[reqKey] = { req: [qElem] };
-        logger.info({ custom: true }, 'Format generate');
         this.generate(opts, function (err, dumpfile) {
             if (opts.profiler) {
                 opts.profiler.done('generate');
@@ -292,6 +273,7 @@ OgrFormat.prototype.sendResponse = function (opts, callback) {
             step(
                 function sendResults () {
                     var nextPipe = function (finish) {
+                        logger.info({ custom: true, size: baking.req.length }, 'Sending responses');
                         var r = baking.req.shift();
                         if (!r) { finish(null); return; }
                         r.sendFile(err, dumpfile, function () {
@@ -309,12 +291,17 @@ OgrFormat.prototype.sendResponse = function (opts, callback) {
                     }
                 },
                 function cleanup (/* err */) {
+                    logger.info({ custom: true, reqKey: reqKey, size: bakingExports[reqKey].req.length }, 'Deleting key');
                     delete bakingExports[reqKey];
 
                     // unlink dump file (sync to avoid race condition)
                     console.log('removing', dumpfile);
-                    try { fs.unlinkSync(dumpfile); } catch (e) {
+                    try {
+                        logger.info({ custom: true }, 'Unlink dumpfile');
+                        fs.unlinkSync(dumpfile);
+                    } catch (e) {
                         if (e.code !== 'ENOENT') {
+                            logger.info({ custom: true }, 'Error removing dumpfile');
                             console.log('Could not unlink dumpfile ' + dumpfile + ': ' + e);
                         }
                     }
@@ -325,7 +312,6 @@ OgrFormat.prototype.sendResponse = function (opts, callback) {
 };
 
 function ExportRequest (ostream, callback, beforeSink) {
-    logger.info({ custom: true }, 'Creating ExportRequest');
     this.cb = callback;
     this.beforeSink = beforeSink;
     this.ostream = ostream;
@@ -334,8 +320,6 @@ function ExportRequest (ostream, callback, beforeSink) {
 
     var that = this;
 
-    logger.info({ custom: true }, 'Keep creating ExportRequest');
-
     this.ostream.on('close', function () {
         that.canceled = true;
         if (that.istream) {