From c09ff04de551f41895fbae51da04d2d71f662959 Mon Sep 17 00:00:00 2001
From: Michele Simionato <michele.simionato@gmail.com>
Date: Thu, 3 Oct 2024 06:44:38 +0200
Subject: [PATCH] Fixed WorkerPool.start to use the .scratch

---
 openquake/baselib/workerpool.py | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/openquake/baselib/workerpool.py b/openquake/baselib/workerpool.py
index 77c1db0ef5ca..8d8110efad9d 100644
--- a/openquake/baselib/workerpool.py
+++ b/openquake/baselib/workerpool.py
@@ -291,14 +291,8 @@ def start(self):
         self.hostname = socket.gethostname()
         if self.job_id:
             # save the hostname in calc_XXX/hostcores
-            calc_dir = os.path.join(
-                config.directory.custom_tmp, 'calc_%s' % self.job_id)
-            try:
-                os.mkdir(calc_dir)
-            except FileExistsError:  # somebody else created it
-                pass
             if parallel.oq_distribute() == 'slurm':
-                fname = os.path.join(calc_dir, 'hostcores')
+                fname = os.path.join(self.scratch, 'hostcores')
                 line = f'{self.hostname} {self.num_workers}'
                 print(f'Writing {line} on {fname}')
                 with open(fname, 'a') as f: