* #1240 Update license declaration of each files
Signed-off-by: Njinhai <hai.jin@zilliz.com>

* #1240 Update CHANGELOG
Signed-off-by: Njinhai <hai.jin@zilliz.com>

* Optimize config test. Dir src/config 99% lines covered

* add unittest coverage

* optimize cache&config unittest

* code format

* format

* format code

* fix merge conflict

* cover src/utils unittest

*  '#831 fix exe_path judge error'

* #831 fix exe_path judge error

* add some unittest coverage

* add some unittest coverage

* improve coverage of src/wrapper

* improve src/wrapper coverage

* *test optimize db/meta unittest

* fix bug

* *test optimize mysqlMetaImpl unittest

* *style: format code

* import server& scheduler unittest coverage

* handover next work

* *test: add some test_meta test case

* *format code

* *fix: fix typo

* feat(codecov): improve code coverage for src/db(#872)

* feat(codecov): improve code coverage for src/db/engine(#872)

* feat(codecov): improve code coverage(#872)

* fix config unittest bug

* feat(codecov): improve code coverage core/db/engine(#872)

* feat(codecov): improve code coverage core/knowhere

* feat(codecov): improve code coverage core/knowhere

* feat(codecov): improve code coverage

* feat(codecov): fix cpu test some error

* feat(codecov): improve code coverage

* feat(codecov): rename some fiu

* fix(db/meta): fix switch/case default action

* feat(codecov): improve code coverage(#872)
* fix error caused by merge code
* format code

* feat(codecov): improve code coverage & format code(#872)

* feat(codecov): fix test error(#872)

* feat(codecov): fix unittest test_mem(#872)

* feat(codecov): fix unittest(#872)

* feat(codecov): fix unittest for resource manager(#872)

* feat(codecov): code format (#872)

* feat(codecov): trigger ci(#872)

* fix(RequestScheduler): remove a wrong sleep statement

* test(test_rpc): fix rpc test

* Fix format issue

* Remove unused comments

* Fix unit test error
Co-authored-by: NABNER-1 <ABNER-1@users.noreply.github.com>
Co-authored-by: NJin Hai <hai.jin@zilliz.com>

* add hnsw

* add config

* format...

* format..

* #1002 rename 'minio' to 's3' in Storage Config section

* #1002 clang format

* Add log to debug #678

* Rename nsg_mix to RNSG in C++ sdk #735

* [skip ci] change __function__

* clang-format

* #766 If partition tag is similar, wrong partition is searched

* #766 If partition tag is similar, wrong partition is searched

* reorder changelog id

* typo

* define interface

* Define interface (#832)

* If partition tag is similar, wrong partition is searched  (#825)

* #766 If partition tag is similar, wrong partition is searched

* #766 If partition tag is similar, wrong partition is searched

* reorder changelog id

* typo

* define interface Attach files by dragging & dropping, selecting or pasting them. 
Co-authored-by: Ngroot <yihua.mo@zilliz.com>

* faiss & knowhere

* faiss & knowhere (#842)

* Add log to debug #678

* Rename nsg_mix to RNSG in C++ sdk #735

* [skip ci] change __function__

* clang-format

* If partition tag is similar, wrong partition is searched  (#825)

* #766 If partition tag is similar, wrong partition is searched

* #766 If partition tag is similar, wrong partition is searched

* reorder changelog id

* typo

* faiss & knowhere
Co-authored-by: Ngroot <yihua.mo@zilliz.com>

* support binary input

* code lint

* add wrapper interface

* add knowhere unittest

* sdk support binary

* support using metric tanimoto and hamming

* sdk binary insert/query example

* fix bug

* fix bug

* update wrapper

* format

* Improve unittest and fix bugs

* delete printresult

* fix bug

* #823 Support binary vector tanimoto metric

* fix typo

* dimension limit to 32768

* fix

* dimension limit to 32768

* fix describe index bug

* fix #886

* fix #889

* add jaccard cases

* hamming dev-test case

* change test_connect

* Add tanimoto cases

* change the output type of hamming

* add abs

* merge master

* rearrange changelog id

* modify feature description
Co-authored-by: NYukikaze-CZR <48198922+Yukikaze-CZR@users.noreply.github.com>
Co-authored-by: NTinkerrr <linxiaojun.cn@outlook.com>

* refactor code and add error log

* remove the space

* refactor

* refactor

* #815 change S3 client_ptr_ to shared_ptr

* #815 install test_storage to unittest

* #815 add MockS3Client.h for unittest

* #815 optimize MockS3Client.h

* #815 update unittest

* #815 update unittest

* #815 fix clang-format

* #815 use FIU for unittest

* #815 enable FIU in jenkins

* #815 update unittest

* #815 enable FIU in docker build

* Add push mode for prometheus monitor

* format code

* fix for comments

* fix test_MetricBase bug

* Change ip to address in config

* #815 add S3 client

* #815 update S3 interface

* #815 add bucket_name_ as class field, add StartService() and StopService()

* #815 add FileIOReader and FileIOWriter

* #815 fix unittest test_storage build error

* #815 add GetObjectStr()

* #815 add S3IOReader/S3IOWriter

* #815 add ListObjects(), support put string with \0, launch S3 service when server start

* #815 read/write s3 index file pass

* #815 add MinIO related config

* #815 fix storage config issuegs

* #815 code clean

* #815 use local file or S3 via minio_enable

* #815 add DeleteObjects() for S3

* #815 print out IO rate when read_index & write_index

* #815 clean code

* #815 fix centos build error

* #815 support MinIO storage

* #815 fix typo

* *fix mysqlMetaImpl Initialize failed create directory

* *style: format code

* *style: format code

* *style: format code

* *style: format code

* *fix: sqliteMetaImpl Initialize failed create directory

* add empty line to trigger CI

* add cpu mode for built-in Faiss

* delete customization options on build stage

* delete faiss version

* delete customization options on build stage

* fix unittest problem in cpu mode

* fix unittest problem in cpu mode
Co-authored-by: Nquicksilver <zhifeng.zhang@zilliz.com>
Co-authored-by: NJin Hai <hai.jin@zilliz.com>

* add TracerUtil

* Interceptor ok

* add handler

* add context

* minor update

* keep span in trace context

* add span in search okay

* Update Context.cpp

* refactor

* refactor

* refactor

* format

* add context in SearchJob

* trace search okay

* add back finish span in interceptor

* add namespace

* add tracing config in server config

* add random id

* debug mode okay

* update CMakeLists

* add opentracing to cmake

* update unittest

* add tracing namespace

* remove std::run_time error

* add lock when erasing context_map

* update tracing config

* lint

* update CHANGELOG

* small fix

* fix server unit test

* fix scheduler unit test

* fix db unit test

* lint

* fix db unit test gpu version

* rename to tracing_config

* fix

* update

* trigger ci

* #670 Random failure of unittest db_test::SEARCH_TEST

* add an important log

* add an important log

* add an important log

* #674 server down in stability test

* add more log

* remove log

* #696 metric_type changed from IP to L2

* #696 metric_type changed from IP to L2

* #696 metric_type changed from IP to L2

* #670 Random failure of unittest db_test::SEARCH_TEST

* add an important log

* add an important log

* add an important log

* #674 server down in stability test

* add more log

* remove log

* #696 metric_type changed from IP to L2

* #670 Random failure of unittest db_test::SEARCH_TEST

* add an important log

* add an important log

* add an important log

* #674 server down in stability test

* add more log

* remove log

* #670 Random failure of unittest db_test::SEARCH_TEST

* add an important log

* add an important log

* add an important log