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Second Attempt - Add concurrent insertion of vector rows in the Cassandra Vector Store (#7017)

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Retrying with the same improvements as in #6772, this time trying not to
mess up with branches.

@rlancemartin doing a fresh new PR from a branch with a new name. This
should do. Thank you for your help!

---------

Co-authored-by: Jonathan Ellis <jbellis@datastax.com>
Co-authored-by: rlm <pexpresss31@gmail.com>
This commit is contained in:
Stefano Lottini
2023-07-01 20:09:52 +02:00
committed by GitHub
parent 3bfe7cf467
commit 8d2281a8ca
6 changed files with 126 additions and 580 deletions
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16
docs/extras/ecosystem/integrations/cassandra.mdx
View File

@@ -1,10 +1,10 @@
# Cassandra
>[Apache Cassandra®](https://cassandra.apache.org/) is a free and open-source, distributed, wide-column
>[Apache Cassandra®](https://cassandra.apache.org/) is a free and open-source, distributed, wide-column
> store, NoSQL database management system designed to handle large amounts of data across many commodity servers,
> providing high availability with no single point of failure. Cassandra offers support for clusters spanning
> providing high availability with no single point of failure. Cassandra offers support for clusters spanning
> multiple datacenters, with asynchronous masterless replication allowing low latency operations for all clients.
> Cassandra was designed to implement a combination of _Amazon's Dynamo_ distributed storage and replication
> Cassandra was designed to implement a combination of _Amazon's Dynamo_ distributed storage and replication
> techniques combined with _Google's Bigtable_ data and storage engine model.
## Installation and Setup
@@ -16,6 +16,16 @@ pip install cassio
## Vector Store
See a [usage example](/docs/modules/data_connection/vectorstores/integrations/cassandra.html).
```python
from langchain.memory import CassandraChatMessageHistory
```
## Memory
See a [usage example](/docs/modules/memory/integrations/cassandra_chat_message_history.html).

21
docs/extras/modules/data_connection/vectorstores/integrations/cassandra.ipynb
View File

@@ -23,7 +23,7 @@
},
"outputs": [],
"source": [
"!pip install \"cassio>=0.0.5\""
"!pip install \"cassio>=0.0.7\""
]
},
{
@@ -44,14 +44,16 @@
"import os\n",
"import getpass\n",
"\n",
"database_mode = (input('\\n(L)ocal Cassandra or (A)stra DB? ')).upper()\n",
"database_mode = (input('\\n(C)assandra or (A)stra DB? ')).upper()\n",
"\n",
"keyspace_name = input('\\nKeyspace name? ')\n",
"\n",
"if database_mode == 'A':\n",
" ASTRA_DB_APPLICATION_TOKEN = getpass.getpass('\\nAstra DB Token (\"AstraCS:...\") ')\n",
" #\n",
" ASTRA_DB_SECURE_BUNDLE_PATH = input('Full path to your Secure Connect Bundle? ')"
" ASTRA_DB_SECURE_BUNDLE_PATH = input('Full path to your Secure Connect Bundle? ')\n",
"elif database_mode == 'C':\n",
" CASSANDRA_CONTACT_POINTS = input('Contact points? (comma-separated, empty for localhost) ').strip()"
]
},
{
@@ -72,8 +74,15 @@
"from cassandra.cluster import Cluster\n",
"from cassandra.auth import PlainTextAuthProvider\n",
"\n",
"if database_mode == 'L':\n",
" cluster = Cluster()\n",
"if database_mode == 'C':\n",
" if CASSANDRA_CONTACT_POINTS:\n",
" cluster = Cluster([\n",
" cp.strip()\n",
" for cp in CASSANDRA_CONTACT_POINTS.split(',')\n",
" if cp.strip()\n",
" ])\n",
" else:\n",
" cluster = Cluster()\n",
" session = cluster.connect()\n",
"elif database_mode == 'A':\n",
" ASTRA_DB_CLIENT_ID = \"token\"\n",
@@ -261,7 +270,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.10"
"version": "3.10.6"
}
},
"nbformat": 4,