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Hard or soft delete according to the deletion strategy

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Louis Dureuil 2022-12-19 09:38:59 +01:00
parent fc7618d49b
commit e2ae3b24aa
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1 changed files with 30 additions and 24 deletions
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14
milli/src/update/delete_documents.rs
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@ -186,6 +186,9 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
soft_deleted_docids |= &self.to_delete_docids;
// decide for a hard or soft deletion depending on the strategy
let soft_deletion = match self.strategy {
DeletionStrategy::Dynamic => {
// if we have less documents to delete than the threshold we simply save them in
// the `soft_deleted_documents_ids` bitmap and early exit.
let size_used = self.index.used_size()?;
@ -208,11 +211,14 @@ impl<'t, 'u, 'i> DeleteDocuments<'t, 'u, 'i> {
// We run the deletion.
// - With 100Go of disk and 50Go used including 15Go of soft-deleted documents
// We run the deletion.
percentage_available > 10 && percentage_used_by_soft_deleted_documents < 10
}
DeletionStrategy::AlwaysSoft => true,
DeletionStrategy::AlwaysHard => false,
};
if !self.disable_soft_deletion
&& percentage_available > 10
&& percentage_used_by_soft_deleted_documents < 10
{
if soft_deletion {
// Keep the soft-deleted in the DB
self.index.put_soft_deleted_documents_ids(self.wtxn, &soft_deleted_docids)?;
return Ok(DetailedDocumentDeletionResult {
deleted_documents: self.to_delete_docids.len(),