feat: support redis #1550

jupyterjazz · 2023-05-17T14:24:31Z

Redis as a Document Index Backend

Simple usage:

class MyDoc(BaseDoc):
    text: str
    embedding: NdArray[10]

docs = [MyDoc(text=f'text {i}', embedding=np.random.rand(10)) for i in range(10)]
query = np.random.rand(10)
db = RedisDocumentIndex[MyDoc](host='localhost')
db.index(docs)
results = index.find(query, search_field='embedding', limit=10)

Supported functionality:

Find (vector search)
Filter (filtering on textual and numeric data using redis syntax)
Text Search (text search using various approaches, e.g. BM25..)
Get/Del
Hybrid Search (currently, only combining find and filter)
Subindex

Signed-off-by: jupyterjazz <[email protected]>

Signed-off-by: Saba Sturua <[email protected]>

github-actions · 2023-06-28T07:13:43Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-06-28T07:21:30Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-06-28T08:01:20Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

github-actions · 2023-06-28T08:02:00Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-06-28T08:44:37Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-06-28T09:01:33Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

docarray/index/backends/redis.py

Signed-off-by: jupyterjazz <[email protected]>

docarray/index/backends/redis.py

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-07-05T07:12:27Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

github-actions · 2023-07-05T07:12:59Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

docarray/index/backends/redis.py

JohannesMessner

Some small comments, but looking good!

docarray/index/backends/redis.py

JohannesMessner · 2023-07-06T06:57:11Z

docarray/index/backends/redis.py

+
+        :return: Number of documents in the index.
+        """
+        num_docs = self._client.ft(self._index_name).info()['num_docs']


How does this work? Maybe I'm wrong, but it seems like this 'num_docs' key is not something that is built into redis. Do we manually keep track of this somehow?

It is, num_docs is included in the index info

but apparently there's a better way to get number of docs
return self._client.dbsize()

But I think we should stick with the old way because dbsize returns number of keys the client stores, combining all indices so it's inaccurate if you have more than one index

JohannesMessner · 2023-07-06T06:58:23Z

docarray/index/backends/redis.py

+
+        ids = [self._prefix + id for id in doc_ids]
+        docs = self._client.json().mget(ids, '$')
+        docs = [doc[0] for doc in docs if doc]


Suggested change

docs = [doc[0] for doc in docs if doc]

docs = (doc[0] for doc in docs if doc)

I think this avoids doing an iteration over the data

yes but the abstract class expects a list and not a generator, we can refactor that in a separate pr maybe

docarray/index/backends/redis.py

JohannesMessner · 2023-07-06T07:02:58Z

docarray/index/backends/redis.py

+    def __contains__(self, item: BaseDoc) -> bool:
+        """
+        Checks if a given document exists in the index.
+
+        :param item: The document to check.
+            It must be an instance of BaseDoc or its subclass.
+        :return: True if the document exists in the index, False otherwise.
+        """
+        if safe_issubclass(type(item), BaseDoc):
+            return self._doc_exists(item.id)
+        else:
+            raise TypeError(
+                f"item must be an instance of BaseDoc or its subclass, not '{type(item).__name__}'"
+            )


Maybe worthy of a separete PR, but I think we should move __contains__ to the abstract class and tell backends to implement _doc_exitsts().

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-07-06T11:02:16Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-07-06T11:05:53Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

github-actions · 2023-07-06T11:06:03Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

docarray/index/backends/redis.py

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-07-09T11:56:47Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

github-actions · 2023-07-09T11:57:15Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

Signed-off-by: jupyterjazz <[email protected]>

github-actions · 2023-07-09T13:28:55Z

This PR exceeds the recommended size of 1000 lines. Please make sure you are NOT addressing multiple issues with one PR. Note this PR might be rejected due to its size.

github-actions · 2023-07-09T13:32:02Z

📝 Docs are deployed on https://ft-feat-add-redis--jina-docs.netlify.app 🎉

feat: support redis

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Signed-off-by: jupyterjazz <[email protected]>

github-actions bot added size/m area/core area/setup labels May 17, 2023

jupyterjazz changed the title ~~[wip ]feat: support redis~~ feat: support redis May 17, 2023

github-actions bot added the area/testing label May 17, 2023

jupyterjazz marked this pull request as draft May 17, 2023 14:25

jupyterjazz and others added 5 commits June 12, 2023 16:11

chore: merge main

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fix: index creation

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feat: 1st draft, needs polishing

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feat: query builder, tests

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Merge branch 'main' into feat-add-redis

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chore: update poetry lock

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Merge branch 'main' into feat-add-redis

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fix: defaultdict for column config

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refactor: put vectorfield args in column info

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feat: doc_exists for each backend #1686

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jupyterjazz requested a review from JoanFM July 6, 2023 10:49

feat: del and get batched

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docs: update batchsize docstring

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refactor: default index name following schema

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Release Notes v0.36.0 #1707

Closed

	docs = [doc[0] for doc in docs if doc]
	docs = (doc[0] for doc in docs if doc)

feat: support redis #1550

feat: support redis #1550

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jupyterjazz commented May 17, 2023 • edited Loading Uh oh! There was an error while loading. Please reload this page.

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Redis as a Document Index Backend

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jupyterjazz commented May 17, 2023 •

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