feat: query mem limiter (#7078)

* feat: query mem limiter

* feat: config docs

* feat: frontend query limit config

* fix: unused imports

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* feat: add metrics for query memory tracker

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* fix: right postion for tracker

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* fix: avoid race condition

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* feat: soft and hard limit

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* feat: docs

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* fix: when soft_limit == 0

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* feat: upgrade limit algorithm

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* fix: remove batch window

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* chore: batch mem size

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* feat: refine limit algorithm

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* fix: get sys mem

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* chore: minor change

* feat: up tracker to the top stream

* feat: estimated_size for batch

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* chore: minor refactor

* feat: scan_memory_limit connect to max_concurrent_queries

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* chore: make callback clearly

* feat: add unlimted enum

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* chore: by review comment

* chore: comment on recursion_limit

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* feat: refactor and put permit into RegionScanExec

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

* chore: multiple lazy static blocks

* chore: minor change

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

---------

Signed-off-by: jeremyhi <fengjiachun@gmail.com>

tests-integration/tests/http.rs

@@ -1584,6 +1584,8 @@ fn drop_lines_with_inconsistent_results(input: String) -> String {
         "enable_virtual_host_style =",
         "cache_path =",
         "cache_capacity =",
+        "memory_pool_size =",
+        "scan_memory_limit =",
         "sas_token =",
         "scope =",
         "num_workers =",