add redis to accelerate access of minio (#482)

### What problem does this PR solve?

### Type of change

- [x] New Feature (non-breaking change which adds functionality)

api/apps/__init__.py

@@ -54,7 +54,7 @@ app.errorhandler(Exception)(server_error_response)
 #app.config["LOGIN_DISABLED"] = True
 app.config["SESSION_PERMANENT"] = False
 app.config["SESSION_TYPE"] = "filesystem"
-app.config['MAX_CONTENT_LENGTH'] = os.environ.get("MAX_CONTENT_LENGTH", 128 * 1024 * 1024)
+app.config['MAX_CONTENT_LENGTH'] = int(os.environ.get("MAX_CONTENT_LENGTH", 128 * 1024 * 1024))
 
 Session(app)
 login_manager = LoginManager()

api/utils/file_utils.py

@@ -147,7 +147,7 @@ def filename_type(filename):
         return FileType.PDF.value
 
     if re.match(
-            r".*\.(docx|doc|ppt|pptx|yml|xml|htm|json|csv|txt|ini|xls|xlsx|wps|rtf|hlp|pages|numbers|key|md)$", filename):
+            r".*\.(docx|ppt|pptx|yml|xml|htm|json|csv|txt|ini|xls|xlsx|wps|rtf|hlp|pages|numbers|key|md)$", filename):
         return FileType.DOC.value
 
     if re.match(

conf/mapping.json

@@ -1,7 +1,7 @@
  {
   "settings": {
     "index": {
-      "number_of_shards": 4,
+      "number_of_shards": 2,
       "number_of_replicas": 0,
       "refresh_interval" : "1000ms"
     },

conf/service_conf.yaml

@@ -13,11 +13,16 @@ minio:
   user: 'rag_flow'
   password: 'infini_rag_flow'
   host: 'minio:9000'
+redis:
+  db: 1
+  password: 'infini_rag_flow'
+  host: 'redis:6379'
 es:
   hosts: 'http://es01:9200'
 user_default_llm:
   factory: 'Tongyi-Qianwen'
   api_key: 'sk-xxxxxxxxxxxxx'
+  base_url: ''
 oauth:
   github:
     client_id: xxxxxxxxxxxxxxxxxxxxxxxxx

docker/service_conf.yaml

@@ -13,6 +13,10 @@ minio:
   user: 'rag_flow'
   password: 'infini_rag_flow'
   host: 'minio:9000'
+redis:
+  db: 1
+  password: 'infini_rag_flow'
+  host: 'redis:6379'
 es:
   hosts: 'http://es01:9200'
 user_default_llm:

rag/app/naive.py

@@ -66,6 +66,8 @@ class Docx(DocxParser):
 class Pdf(PdfParser):
     def __call__(self, filename, binary=None, from_page=0,
                  to_page=100000, zoomin=3, callback=None):
+        from timeit import default_timer as timer
+        start = timer()
         callback(msg="OCR is  running...")
         self.__images__(
             filename if not binary else binary,
@@ -75,8 +77,8 @@ class Pdf(PdfParser):
             callback
         )
         callback(msg="OCR finished")
+        cron_logger.info("OCR: {}".format(timer() - start))
 
-        from timeit import default_timer as timer
         start = timer()
         self._layouts_rec(zoomin)
         callback(0.63, "Layout analysis finished.")
@@ -90,7 +92,7 @@ class Pdf(PdfParser):
         self._concat_downward()
         #self._filter_forpages()
 
-        cron_logger.info("paddle layouts:".format(
+        cron_logger.info("paddle layouts: {}".format(
             (timer() - start) / (self.total_page + 0.1)))
         return [(b["text"], self._line_tag(b, zoomin))
                 for b in self.boxes], tbls

rag/settings.py

@@ -25,6 +25,11 @@ SUBPROCESS_STD_LOG_NAME = "std.log"
 
 ES = get_base_config("es", {})
 MINIO = decrypt_database_config(name="minio")
+try:
+    REDIS = decrypt_database_config(name="redis")
+except Exception as e:
+    REDIS = {}
+    pass
 DOC_MAXIMUM_SIZE = 128 * 1024 * 1024
 
 # Logger
@@ -39,5 +44,6 @@ LoggerFactory.LEVEL = 30
 es_logger = getLogger("es")
 minio_logger = getLogger("minio")
 cron_logger = getLogger("cron_logger")
+cron_logger.setLevel(20)
 chunk_logger = getLogger("chunk_logger")
 database_logger = getLogger("database")

rag/svr/task_broker.py

@@ -32,6 +32,7 @@ from api.db.services.document_service import DocumentService
 from api.settings import database_logger
 from api.utils import get_format_time, get_uuid
 from api.utils.file_utils import get_project_base_directory
+from rag.utils.redis_conn import REDIS_CONN
 
 
 def collect(tm):
@@ -84,10 +85,16 @@ def dispatch():
 
         tsks = []
         try:
+            file_bin = MINIO.get(r["kb_id"], r["location"])
+            if REDIS_CONN.is_alive():
+                try:
+                    REDIS_CONN.set("{}/{}".format(r["kb_id"], r["location"]), file_bin, 12*60)
+                except Exception as e:
+                    cron_logger.warning("Put into redis[EXCEPTION]:" + str(e))
+
             if r["type"] == FileType.PDF.value:
                 do_layout = r["parser_config"].get("layout_recognize", True)
-                pages = PdfParser.total_page_number(
-                        r["name"], MINIO.get(r["kb_id"], r["location"]))
+                pages = PdfParser.total_page_number(r["name"], file_bin)
                 page_size = r["parser_config"].get("task_page_size", 12)
                 if r["parser_id"] == "paper":
                     page_size = r["parser_config"].get("task_page_size", 22)
@@ -110,8 +117,7 @@ def dispatch():
 
             elif r["parser_id"] == "table":
                 rn = HuExcelParser.row_number(
-                    r["name"], MINIO.get(
-                        r["kb_id"], r["location"]))
+                    r["name"], file_bin)
                 for i in range(0, rn, 3000):
                     task = new_task()
                     task["from_page"] = i

rag/svr/task_executor.py

@@ -19,13 +19,12 @@ import logging
 import os
 import hashlib
 import copy
-import random
 import re
 import sys
 import time
 import traceback
 from functools import partial
-
+from rag.utils import MINIO
 from api.db.db_models import close_connection
 from rag.settings import database_logger
 from rag.settings import cron_logger, DOC_MAXIMUM_SIZE
@@ -35,7 +34,7 @@ from elasticsearch_dsl import Q
 from multiprocessing.context import TimeoutError
 from api.db.services.task_service import TaskService
 from rag.utils import ELASTICSEARCH
-from rag.utils import MINIO
+from timeit import default_timer as timer
 from rag.utils import rmSpace, findMaxTm
 
 from rag.nlp import search
@@ -48,6 +47,7 @@ from api.db import LLMType, ParserType
 from api.db.services.document_service import DocumentService
 from api.db.services.llm_service import LLMBundle
 from api.utils.file_utils import get_project_base_directory
+from rag.utils.redis_conn import REDIS_CONN
 
 BATCH_SIZE = 64
 
@@ -105,11 +105,16 @@ def collect(comm, mod, tm):
 
 def get_minio_binary(bucket, name):
     global MINIO
+    if REDIS_CONN.is_alive():
+        try:
+            r = REDIS_CONN.get("{}/{}".format(bucket, name))
+            if r: return r
+        except Exception as e:
+            cron_logger.warning("Get redis[EXCEPTION]:" + str(e))
     return MINIO.get(bucket, name)
 
 
 def build(row):
-    from timeit import default_timer as timer
     if row["size"] > DOC_MAXIMUM_SIZE:
         set_progress(row["id"], prog=-1, msg="File size exceeds( <= %dMb )" %
                      (int(DOC_MAXIMUM_SIZE / 1024 / 1024)))
@@ -265,6 +270,7 @@ def main(comm, mod):
         callback(
             msg="Finished slicing files(%d). Start to embedding the content." %
             len(cks))
+        st = timer()
         try:
             tk_count = embedding(cks, embd_mdl, r["parser_config"], callback)
         except Exception as e:
@@ -272,9 +278,10 @@ def main(comm, mod):
             cron_logger.error(str(e))
             tk_count = 0
 
-        callback(msg="Finished embedding! Start to build index!")
+        callback(msg="Finished embedding({})! Start to build index!".format(timer()-st))
         init_kb(r)
         chunk_count = len(set([c["_id"] for c in cks]))
+        st = timer()
         es_r = ELASTICSEARCH.bulk(cks, search.index_name(r["tenant_id"]))
         if es_r:
             callback(-1, "Index failure!")
@@ -290,8 +297,8 @@ def main(comm, mod):
             DocumentService.increment_chunk_num(
                 r["doc_id"], r["kb_id"], tk_count, chunk_count, 0)
             cron_logger.info(
-                "Chunk doc({}), token({}), chunks({})".format(
-                    r["id"], tk_count, len(cks)))
+                "Chunk doc({}), token({}), chunks({}), elapsed:{}".format(
+                    r["id"], tk_count, len(cks), timer()-st))
 
         tmf.write(str(r["update_time"]) + "\n")
     tmf.close()

rag/utils/redis_conn.py

@@ -0,0 +1,55 @@
+import json
+
+import redis
+import logging
+from rag import settings
+from rag.utils import singleton
+
+@singleton
+class RedisDB:
+    def __init__(self):
+        self.REDIS = None
+        self.config = settings.REDIS
+        self.__open__()
+
+    def __open__(self):
+        try:
+            self.REDIS = redis.Redis(host=self.config.get("host", "redis").split(":")[0],
+                                     port=int(self.config.get("host", ":6379").split(":")[1]),
+                                     db=int(self.config.get("db", 1)),
+                                     password=self.config.get("password"))
+        except Exception as e:
+            logging.warning("Redis can't be connected.")
+        return self.REDIS
+
+    def is_alive(self):
+        return self.REDIS is not None
+
+    def get(self, k):
+        if not self.REDIS: return
+        try:
+            return self.REDIS.get(k)
+        except Exception as e:
+            logging.warning("[EXCEPTION]get" + str(k) + "||" + str(e))
+            self.__open__()
+
+    def set_obj(self, k, obj, exp=3600):
+        try:
+            self.REDIS.set(k, json.dumps(obj, ensure_ascii=False), exp)
+            return True
+        except Exception as e:
+            logging.warning("[EXCEPTION]set_obj" + str(k) + "||" + str(e))
+            self.__open__()
+        return False
+
+    def set(self, k, v, exp=3600):
+        try:
+            self.REDIS.set(k, v, exp)
+            return True
+        except Exception as e:
+            logging.warning("[EXCEPTION]set" + str(k) + "||" + str(e))
+            self.__open__()
+        return False
+
+
+REDIS_CONN = RedisDB()