{
  "keyword": "vector database",
  "page": "https://redlisten.com/reddit/vector-database",
  "updated": "2026-11-12T00:48:41.547Z",
  "window": {
    "from": "2026-10-14",
    "to": "2026-11-12",
    "days": 30
  },
  "counts": {
    "last_30_days": {
      "posts": 536,
      "comments": 324,
      "total": 860
    },
    "last_7_days": {
      "posts": 155,
      "comments": 78,
      "total": 233
    },
    "last_24_hours": {
      "posts": 23,
      "comments": 7,
      "total": 30
    },
    "prior_7_days": {
      "posts": 143,
      "comments": 80,
      "total": 223
    },
    "change_pct_7_days": 4,
    "partial": false
  },
  "mentions_per_day": [
    {
      "day": "2026-10-14",
      "mentions": 27
    },
    {
      "day": "2026-10-15",
      "mentions": 18
    },
    {
      "day": "2026-10-16",
      "mentions": 32
    },
    {
      "day": "2026-10-17",
      "mentions": 19
    },
    {
      "day": "2026-10-18",
      "mentions": 13
    },
    {
      "day": "2026-10-19",
      "mentions": 30
    },
    {
      "day": "2026-10-20",
      "mentions": 21
    },
    {
      "day": "2026-10-21",
      "mentions": 29
    },
    {
      "day": "2026-10-22",
      "mentions": 36
    },
    {
      "day": "2026-10-23",
      "mentions": 32
    },
    {
      "day": "2026-10-24",
      "mentions": 16
    },
    {
      "day": "2026-10-25",
      "mentions": 27
    },
    {
      "day": "2026-10-26",
      "mentions": 49
    },
    {
      "day": "2026-10-27",
      "mentions": 32
    },
    {
      "day": "2026-10-28",
      "mentions": 23
    },
    {
      "day": "2026-10-29",
      "mentions": 34
    },
    {
      "day": "2026-10-30",
      "mentions": 25
    },
    {
      "day": "2026-10-31",
      "mentions": 20
    },
    {
      "day": "2026-11-01",
      "mentions": 25
    },
    {
      "day": "2026-11-02",
      "mentions": 30
    },
    {
      "day": "2026-11-03",
      "mentions": 50
    },
    {
      "day": "2026-11-04",
      "mentions": 39
    },
    {
      "day": "2026-11-05",
      "mentions": 33
    },
    {
      "day": "2026-11-06",
      "mentions": 41
    },
    {
      "day": "2026-11-07",
      "mentions": 44
    },
    {
      "day": "2026-11-08",
      "mentions": 31
    },
    {
      "day": "2026-11-09",
      "mentions": 22
    },
    {
      "day": "2026-11-10",
      "mentions": 32
    },
    {
      "day": "2026-11-11",
      "mentions": 30
    },
    {
      "day": "2026-11-12",
      "mentions": 0
    }
  ],
  "top_communities": [
    {
      "subreddit": "r/rag",
      "posts": 33,
      "comments": 37,
      "total": 70
    },
    {
      "subreddit": "r/llmdevs",
      "posts": 15,
      "comments": 9,
      "total": 24
    },
    {
      "subreddit": "r/wendbine",
      "posts": 23,
      "comments": 0,
      "total": 23
    },
    {
      "subreddit": "r/ai_agents",
      "posts": 5,
      "comments": 17,
      "total": 22
    },
    {
      "subreddit": "r/oracleaidb",
      "posts": 18,
      "comments": 0,
      "total": 18
    }
  ],
  "sample_posts": [
    {
      "title": "Decades behind: Stone Age Computing",
      "subreddit": "r/ForgottenLanguages",
      "score": 13,
      "comments": 3,
      "created_utc": 1794210531.972,
      "snippet": "Decades behind Stone Age Computing \"Meaning does not reside in the data itself, but rather in the dynamic relationship between the data and the mathematical engine that interprets it.\" \"Today's...",
      "url": "https://www.reddit.com/r/ForgottenLanguages/comments/1xrlquu/decades_behind_stone_age_computing/",
      "top_comment": {
        "text": "That last paragraph deserves contemplation and integration.",
        "score": 1,
        "url": "https://www.reddit.com/r/ForgottenLanguages/comments/1xrlquu/_/19sdjv5maht2a/"
      }
    },
    {
      "title": "agent memory is not rag: a 2026 production field guide",
      "subreddit": "r/AIMemory",
      "score": 8,
      "comments": 0,
      "created_utc": 1794309913.725,
      "snippet": "an agent can retrieve a policy pdf, remember that a customer prefers concise answers, keep a workflow alive across tool calls, and query a live order system. those are four different jobs. calling...",
      "url": "https://www.reddit.com/r/AIMemory/comments/1xskgqd/agent_memory_is_not_rag_a_2026_production_field/",
      "top_comment": null
    },
    {
      "title": "HyperspaceDB v4.2.3: 1.58-bit BitNet quantization (15.5× compression, 92.6% recall)",
      "subreddit": "r/Rag",
      "score": 6,
      "comments": 4,
      "created_utc": 1794236010.686,
      "snippet": "Hey everyone! 👋 We just published HyperspaceDB v4.2.3 — our open-source, high-performance vector & graph database written in Rust. Over the last few release cycles, we tackled two notorious...",
      "url": "https://www.reddit.com/r/Rag/comments/1xrtotk/hyperspacedb_v423_158bit_bitnet_quantization_155/",
      "top_comment": {
        "text": "I added early on 1.58 PTQ to my engine but found it not as good as RaBitQ (1-bit). Your performance numbers look pretty amazing. I get only 768d for FP32...",
        "score": 1,
        "url": "https://www.reddit.com/r/Rag/comments/1xrtotk/_/19se77tct6yf5/"
      }
    },
    {
      "title": "pgvector vs Qdrant on a local setup with metadata filtering? (10k-20k chunks)",
      "subreddit": "r/Rag",
      "score": 2,
      "comments": 10,
      "created_utc": 1794290342.989,
      "snippet": "Hey everyone, Working on a local-first learning project on my laptop (Ryzen 7, 16GB RAM, RTX 3060 6GB) and I’m hitting an architectural crossroads for the retrieval part. The setup: \\- I have a...",
      "url": "https://www.reddit.com/r/Rag/comments/1xsf95r/pgvector_vs_qdrant_on_a_local_setup_with_metadata/",
      "top_comment": {
        "text": "I'd first measure exact filtered search in the Postgres you already have, before adding either an HNSW index or a second database. The important size isn't...",
        "score": 1,
        "url": "https://www.reddit.com/r/Rag/comments/1xsf95r/_/19seudu07i481/"
      }
    },
    {
      "title": "Ways to automate context syncing from Slack / Linear to your AI agents?",
      "subreddit": "r/automation",
      "score": 2,
      "comments": 6,
      "created_utc": 1794326634.703,
      "snippet": "Hey everyone, I'm trying to get my AI agents to constantly sync with context on Slack and Linear. I've been manually copy-pasting thread links and notes back and forth just to stop it from...",
      "url": "https://www.reddit.com/r/automation/comments/1xsqpzg/ways_to_automate_context_syncing_from_slack/",
      "top_comment": {
        "text": "Thank you for your post to /r/automation! New here? Please take a moment to read our rules, read them here. This is an automated action so if you need...",
        "score": 1,
        "url": "https://www.reddit.com/r/automation/comments/1xsqpzg/_/19sfl27map1b4/"
      }
    },
    {
      "title": "How has vector or hybrid search on Supabase worked for you in production?",
      "subreddit": "r/Supabase",
      "score": 2,
      "comments": 3,
      "created_utc": 1794311053.617,
      "snippet": "If you’re running semantic search with pgvector, full-text search, or a combination of both on Supabase, how has it held up as your app has grown? I’m especially curious about search sharing the...",
      "url": "https://www.reddit.com/r/Supabase/comments/1xskskb/how_has_vector_or_hybrid_search_on_supabase/",
      "top_comment": null
    },
    {
      "title": "agent memory is not rag: a 2026 production field guide",
      "subreddit": "r/MemOSai",
      "score": 2,
      "comments": 0,
      "created_utc": 1794308104.176,
      "snippet": "an agent can retrieve a policy pdf, remember that a customer prefers concise answers, keep a workflow alive across tool calls, and query a live order system. those are four different jobs. calling...",
      "url": "https://www.reddit.com/r/MemOSai/comments/1xsjydy/agent_memory_is_not_rag_a_2026_production_field/",
      "top_comment": null
    },
    {
      "title": "which vector database you use in your production/mvp RAG and why did you choose over others?",
      "subreddit": "r/vectordatabase",
      "score": 1,
      "comments": 2,
      "created_utc": 1794247070.617,
      "snippet": "Hi folks, curious on what vector database do you guys use in your production/mvp and why did you choose to go with your choice over others?",
      "url": "https://www.reddit.com/r/vectordatabase/comments/1xryo09/which_vector_database_you_use_in_your/",
      "top_comment": null
    },
    {
      "title": "Title: How I built a WhatsApp RAG Support Agent with Long-Term Memory (Supabase) + Human Escalation",
      "subreddit": "r/u_Automation_arpan",
      "score": 1,
      "comments": 2,
      "created_utc": 1794237670.239,
      "snippet": "Hey everyone, I build AI infrastructure for B2B agencies and wanted to share a workflow architecture that completely replaces basic \"keyword\" WhatsApp bots and expensive 24/7 human support teams....",
      "url": "https://www.reddit.com/user/Automation_arpan/comments/1xruf08/title_how_i_built_a_whatsapp_rag_support_agent/",
      "top_comment": {
        "text": "Hi, looks pretty interesting I would love to test it",
        "score": 1,
        "url": "https://www.reddit.com/r/u_Automation_arpan/comments/1xruf08/_/19sdsnhvs5fds/"
      }
    },
    {
      "title": "Welcome to the wiki, fellow visitor!",
      "subreddit": "r/UUAurigae",
      "score": 1,
      "comments": 1,
      "created_utc": 1794329289.079,
      "snippet": "Welcome to the official developer sandbox and astrometric database index under the direct administration of UU Aurigae (user)! This community was established to serve as an un-cluttered,...",
      "url": "https://www.reddit.com/r/UUAurigae/comments/1xsrwme/welcome_to_the_wiki_fellow_visitor/",
      "top_comment": {
        "text": "NOTE: If you are asking what map I am talking about, visit uu-space.fandom.com/wiki/Map:Milky\\Way\\(Map))",
        "score": 1,
        "url": "https://www.reddit.com/r/UUAurigae/comments/1xsrwme/_/19sfn5dmg1k05/"
      }
    }
  ],
  "preview": "This is a preview: counts, the top communities and 10 of 860 matching items, each with a snippet of the post and its top reply. Every post and comment, live, with 30 day search and keyword streams to Slack, Discord, webhook or email, needs a free key: https://app.redlisten.com/?signup=1&utm_source=redlisten&utm_medium=preview",
  "docs": "https://redlisten.com/docs",
  "attribution": "Source: Redlisten, https://redlisten.com/reddit/vector-database"
}