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During the upgrade process, I have always memory error. Here error message :

File "/tmp/tmp3qkn8_8c/migrations/crm/saas~16.2.1.8/post-migrate.py", line 8, in migrate util.recompute_fields(cr, "crm.lead", ["email_domain_criterion"], ids=ids, chunk_size=1024) File "/tmp/tmp3qkn8_8c/migrations/util/orm.py", line 248, in wrapper return f(args, *kwargs) File "/tmp/tmp3qkn8_8c/migrations/util/orm.py", line 304, in recompute_fields recompute(records) File "/tmp/tmp3qkn8_8c/migrations/util/orm.py", line 218, in recompute ( File "/home/odoo/src/odoo/17.0/odoo/api.py", line 733, in _recompute_all self[field.model_name]._recompute_field(field) File "/home/odoo/src/odoo/17.0/odoo/models.py", line 6978, in _recompute_field field.recompute(records) File "/home/odoo/src/odoo/17.0/odoo/fields.py", line 1379, in recompute apply_except_missing(self.compute_value, recs) File "/home/odoo/src/odoo/17.0/odoo/fields.py", line 1352, in apply_except_missing func(records) File "/home/odoo/src/odoo/17.0/odoo/fields.py", line 1401, in compute_value records._compute_field_value(self) File "/home/odoo/src/odoo/17.0/addons/mail/models/mail_thread.py", line 424, in _compute_field_value return super()._compute_field_value(field) File "/home/odoo/src/odoo/17.0/odoo/models.py", line 4924, in _compute_field_value fields.determine(field.compute, self) File "/home/odoo/src/odoo/17.0/odoo/fields.py", line 102, in determine return needle(args) File "/home/odoo/src/odoo/17.0/addons/crm/models/crm_lead.py", line 465, in compute_email_domain_criterion for lead in self.filtered('email_normalized'): File "/home/odoo/src/odoo/17.0/odoo/models.py", line 6167, in filtered return self.browse([rec.id for rec in self if func(rec)]) File "/home/odoo/src/odoo/17.0/odoo/models.py", line 6167, in <listcomp> return self.browse([rec.id for rec in self if func(rec)]) File "/home/odoo/src/odoo/17.0/odoo/models.py", line 6166, in <lambda> func = lambda rec: any(rec.mapped(name)) File "/home/odoo/src/odoo/17.0/odoo/models.py", line 6143, in mapped recs = recs.fields[name].mapped(recs) File "/home/odoo/src/odoo/17.0/odoo/fields.py", line 1293, in mapped self.__get(first(remaining), type(remaining)) File "/home/odoo/src/odoo/17.0/odoo/fields.py", line 1182, in get recs._fetch_field(self) File "/home/odoo/src/odoo/17.0/odoo/models.py", line 3826, in _fetch_field self.fetch(fnames) File "/home/odoo/src/odoo/17.0/odoo/models.py", line 3876, in fetch fetched = self._fetch_query(query, fields_to_fetch) File "/home/odoo/src/odoo/17.0/odoo/models.py", line 3969, in _fetch_query rows = self.env.cr.fetchall() 

MemoryError



Can someone help me please, urgent.

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Cybrosys Techno Solutions Pvt.Ltd
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Hi,


The MemoryError happens because during migration Odoo tries to recompute a lot of computed fields on crm.lead all at once, which uses more RAM than available.

Run the migration on a machine with more RAM or increase swap space so it can handle large operations.

Reduce the chunk_size in the recompute function (e.g., from 1024 to 256) so Odoo processes fewer records at a time and doesn’t run out of memory.

If needed, split the crm.lead records into smaller batches and recompute each batch separately.

Temporarily disable heavy computed fields during the migration, then recompute them later in smaller sets.

Check if any custom modules add complex computations; disable them during migration to save memory.

Adjust the Odoo configuration in the .conf file: increase limit_memory_soft, limit_memory_hard, and limit_time_cpu so Odoo can safely handle large operations.

Always test the migration on a copy of your database first, so you can safely experiment with chunk sizes, memory, and config changes without affecting production.


Hope it helps.

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