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fix: use persistent platform-appropriate dirs instead of /tmp for vector store defaults (#4279)

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Replace hardcoded /tmp/{provider} default paths with XDG-compliant persistent
directories (~/.local/share/mem0/{provider}), fixing failures on Windows,
macOS LaunchAgents, Linux systemd, and Docker. Adds MEM0_DATA_DIR env var
override, legacy /tmp data migration warning, and updates Qdrant/ChromaDB/FAISS
configs and docs to use the new defaults.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
utkarsh240799
2026-03-26 18:31:58 +05:30
co-authored by Claude Opus 4.6
parent 051551edb7
commit 0b397eaf06
9 changed files with 412 additions and 27 deletions
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docs/components/vectordbs/dbs/faiss.mdx
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@@ -52,7 +52,7 @@ Here are the parameters available for configuring FAISS:
| Parameter | Description | Default Value |
| --- | --- | --- |
| `collection_name` | The name of the collection | `mem0` |
| `path` | Path to store FAISS index and metadata | `/tmp/faiss/<collection_name>` |
| `path` | Path to store FAISS index and metadata | `~/.local/share/mem0/faiss/<collection_name>` |
| `distance_strategy` | Distance metric strategy to use (options: 'euclidean', 'inner_product', 'cosine') | `euclidean` |
| `normalize_L2` | Whether to normalize L2 vectors (only applicable for euclidean distance) | `False` |