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[improve](cloud-mow) merge and remove old version of delete bitmap wh…
…en cumulative compaction is done (apache#40204) When the count of delete bitmap is big, it may lead to high cpu use rate, we can merge old version delete bitmap to reduce the count of delete bitmap when cumulative compaction is done to reduce the use rate of cpu. Here is an example: before cu compaciton ,rowset layout is "cumulative point": 10, "rowsets": [ "[0-1] 0 DATA NONOVERLAPPING 0200000000000000ffffffffffffffecffffffffffffffff 0", "[2-9] 1 DATA NONOVERLAPPING 0200000000002cc1a8447a4e0ba5850f773803ae2d534284 1.21 KB", "[10-10] 1 DATA NONOVERLAPPING 0200000000002d07a8447a4e0ba5850f773803ae2d534284 1.09 KB", "[11-11] 1 DATA NONOVERLAPPING 0200000000002d14a8447a4e0ba5850f773803ae2d534284 1.10 KB", "[12-12] 1 DATA NONOVERLAPPING 0200000000002d23a8447a4e0ba5850f773803ae2d534284 1.10 KB", "[13-13] 1 DATA NONOVERLAPPING 0200000000002d33a8447a4e0ba5850f773803ae2d534284 1.10 KB", "[14-14] 1 DATA NONOVERLAPPING 0200000000002d40a8447a4e0ba5850f773803ae2d534284 1.10 KB" ], base rowset is [2-9], now cu compaciton input rowset range is [10-14], after compaciton, rowset layout is "cumulative point": 10, "rowsets": [ "[0-1] 0 DATA NONOVERLAPPING 0200000000000000ffffffffffffffecffffffffffffffff 0", "[2-9] 1 DATA NONOVERLAPPING 0200000000002cc1a8447a4e0ba5850f773803ae2d534284 1.21 KB", "[10-14] 1 DATA NONOVERLAPPING 0200000000002d63a8447a4e0ba5850f773803ae2d534284 1.21 KB" ], 1. the delete bitmap of rowset [10-10] -> [11-11] -> [12-12] -> [13-13] -> [14-14] will be deleted when delete_expired_stale_rowsets 2. the delete bitmap of version 10~14, will do agg first, then update the agg result on verison 14 delete bitmap 3. if update sucess, add the delete bitmap of version 10~13 to the queue which name is to_remove_vec 4. when deleting delete bitmap on rowset [10-10] -> [11-11] -> [12-12] -> [13-13] -> [14-14], the delete bitmap which mention on step 3 will be deleted too.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
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| #include "cloud_delete_bitmap_action.h" | ||
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| #include <rapidjson/document.h> | ||
| #include <rapidjson/encodings.h> | ||
| #include <rapidjson/prettywriter.h> | ||
| #include <rapidjson/rapidjson.h> | ||
| #include <rapidjson/stringbuffer.h> | ||
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| #include <chrono> // IWYU pragma: keep | ||
| #include <exception> | ||
| #include <future> | ||
| #include <memory> | ||
| #include <mutex> | ||
| #include <sstream> | ||
| #include <string> | ||
| #include <thread> | ||
| #include <utility> | ||
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| #include "cloud/cloud_tablet.h" | ||
| #include "cloud/cloud_tablet_mgr.h" | ||
| #include "common/logging.h" | ||
| #include "common/status.h" | ||
| #include "gutil/strings/substitute.h" | ||
| #include "http/http_channel.h" | ||
| #include "http/http_headers.h" | ||
| #include "http/http_request.h" | ||
| #include "http/http_status.h" | ||
| #include "olap/olap_define.h" | ||
| #include "olap/storage_engine.h" | ||
| #include "olap/tablet_manager.h" | ||
| #include "util/doris_metrics.h" | ||
| #include "util/stopwatch.hpp" | ||
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| namespace doris { | ||
| using namespace ErrorCode; | ||
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| namespace { | ||
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| constexpr std::string_view HEADER_JSON = "application/json"; | ||
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| } // namespace | ||
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| CloudDeleteBitmapAction::CloudDeleteBitmapAction(DeleteBitmapActionType ctype, ExecEnv* exec_env, | ||
| CloudStorageEngine& engine, | ||
| TPrivilegeHier::type hier, | ||
| TPrivilegeType::type ptype) | ||
| : HttpHandlerWithAuth(exec_env, hier, ptype), | ||
| _engine(engine), | ||
| _delete_bitmap_action_type(ctype) {} | ||
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| static Status _check_param(HttpRequest* req, uint64_t* tablet_id) { | ||
| const auto& req_tablet_id = req->param(TABLET_ID_KEY); | ||
| if (req_tablet_id.empty()) { | ||
| return Status::InternalError("tablet id is empty!"); | ||
| } | ||
| try { | ||
| *tablet_id = std::stoull(req_tablet_id); | ||
| } catch (const std::exception& e) { | ||
| return Status::InternalError("convert tablet_id failed, {}", e.what()); | ||
| } | ||
| return Status::OK(); | ||
| } | ||
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| Status CloudDeleteBitmapAction::_handle_show_delete_bitmap_count(HttpRequest* req, | ||
| std::string* json_result) { | ||
| uint64_t tablet_id = 0; | ||
| // check & retrieve tablet_id from req if it contains | ||
| RETURN_NOT_OK_STATUS_WITH_WARN(_check_param(req, &tablet_id), "check param failed"); | ||
| if (tablet_id == 0) { | ||
| return Status::InternalError("check param failed: missing tablet_id"); | ||
| } | ||
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| CloudTabletSPtr tablet = DORIS_TRY(_engine.tablet_mgr().get_tablet(tablet_id)); | ||
| if (tablet == nullptr) { | ||
| return Status::NotFound("Tablet not found. tablet_id={}", tablet_id); | ||
| } | ||
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| auto count = tablet->tablet_meta()->delete_bitmap().get_delete_bitmap_count(); | ||
| auto cardinality = tablet->tablet_meta()->delete_bitmap().cardinality(); | ||
| auto size = tablet->tablet_meta()->delete_bitmap().get_size(); | ||
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| rapidjson::Document root; | ||
| root.SetObject(); | ||
| root.AddMember("delete_bitmap_count", count, root.GetAllocator()); | ||
| root.AddMember("cardinality", cardinality, root.GetAllocator()); | ||
| root.AddMember("size", size, root.GetAllocator()); | ||
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| // to json string | ||
| rapidjson::StringBuffer strbuf; | ||
| rapidjson::PrettyWriter<rapidjson::StringBuffer> writer(strbuf); | ||
| root.Accept(writer); | ||
| *json_result = std::string(strbuf.GetString()); | ||
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| return Status::OK(); | ||
| } | ||
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| void CloudDeleteBitmapAction::handle(HttpRequest* req) { | ||
| req->add_output_header(HttpHeaders::CONTENT_TYPE, HEADER_JSON.data()); | ||
| if (_delete_bitmap_action_type == DeleteBitmapActionType::COUNT_INFO) { | ||
| std::string json_result; | ||
| Status st = _handle_show_delete_bitmap_count(req, &json_result); | ||
| if (!st.ok()) { | ||
| HttpChannel::send_reply(req, HttpStatus::OK, st.to_json()); | ||
| } else { | ||
| HttpChannel::send_reply(req, HttpStatus::OK, json_result); | ||
| } | ||
| } | ||
| } | ||
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| } // namespace doris |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| // Licensed to the Apache Software Foundation (ASF) under one | ||
| // or more contributor license agreements. See the NOTICE file | ||
| // distributed with this work for additional information | ||
| // regarding copyright ownership. The ASF licenses this file | ||
| // to you under the Apache License, Version 2.0 (the | ||
| // "License"); you may not use this file except in compliance | ||
| // with the License. You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, | ||
| // software distributed under the License is distributed on an | ||
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| // KIND, either express or implied. See the License for the | ||
| // specific language governing permissions and limitations | ||
| // under the License. | ||
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| #pragma once | ||
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| #include <stdint.h> | ||
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| #include <string> | ||
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| #include "cloud/cloud_storage_engine.h" | ||
| #include "common/status.h" | ||
| #include "http/http_handler_with_auth.h" | ||
| #include "olap/tablet.h" | ||
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| namespace doris { | ||
| class HttpRequest; | ||
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| class ExecEnv; | ||
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| enum class DeleteBitmapActionType { COUNT_INFO = 1 }; | ||
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| /// This action is used for viewing the delete bitmap status | ||
| class CloudDeleteBitmapAction : public HttpHandlerWithAuth { | ||
| public: | ||
| CloudDeleteBitmapAction(DeleteBitmapActionType ctype, ExecEnv* exec_env, | ||
| CloudStorageEngine& engine, TPrivilegeHier::type hier, | ||
| TPrivilegeType::type ptype); | ||
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| ~CloudDeleteBitmapAction() override = default; | ||
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| void handle(HttpRequest* req) override; | ||
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| private: | ||
| Status _handle_show_delete_bitmap_count(HttpRequest* req, std::string* json_result); | ||
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| private: | ||
| CloudStorageEngine& _engine; | ||
| DeleteBitmapActionType _delete_bitmap_action_type; | ||
| }; | ||
| } // namespace doris |
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