polardbx-cdc是PolarDB-X的核心组件，负责全局二进制日志的生成、发布和订阅

|polardbx_cdc_dumper_m_delay|dumper_m_delay|平均值|latestDelayTimeOnCommit|dumper master延迟时间| |polardbx_cdc_dumper_m_eps|dumper_m_eps|平均值|avgWriteEps|dumper master每秒处理Event的个数(含Begin和Commit)| |polardbx_cdc_dumper_m_dml_eps|dumper_m_dml_eps|平均值|avgRevEps|dumper master每秒处理Event的个数(不包含Begin和Commit)| |polardbx_cdc_dumper_m_tps|dumper_m_tps|平均值|avgWriteTps|dumper master每秒处理事务的个数| |polardbx_cdc_dumper_m_bps|dumper_m_bps|平均值|avgWriteBps|dumper master每秒处理的数据量| |polardbx_cdc_dumper_m_event_rt|dumper_m_event_rt|平均值|avgWriteTimePerEvent|dumper master每条事件的处理时间| |polardbx_cdc_dumper_m_txn_rt|dumper_m_txn_rt|平均值|avgWriteTimePerTxn|dumper master每个事务的处理时间| |polardbx_cdc_dumper_m_youngUsed|dumper_m_youngUsed|瞬时值|-|dumper master年轻代使用量| |polardbx_cdc_dumper_m_youngMax|dumper_m_youngMax|瞬时值|-|dumper master年轻代大小| |polardbx_cdc_dumper_m_oldUsed|dumper_m_oldUsed|瞬时值|-|dumper master老年代使用量| |polardbx_cdc_dumper_m_oldMax|dumper_m_oldMax|瞬时值|-|dumper master老年代大小| |polardbx_cdc_dumper_m_heapUsage|dumper_m_heapUsage|瞬时值|-|dumper master内存使用率| |polardbx_cdc_dumper_m_youngCollectionCount|dumper_m_youngCollectionCount|累计值|-|dumper master年轻代GC次数| |polardbx_cdc_dumper_m_oldCollectionCount|dumper_m_oldCollectionCount|累计值|-|dumper master老年代GC次数| |polardbx_cdc_dumper_m_youngCollectionTime|dumper_m_youngCollectionTime|累计值|-|dumper master年轻代GC时间| |polardbx_cdc_dumper_m_oldCollectionTime|dumper_m_oldCollectionTime|累计值|-|dumper master老年代GC时间| |polardbx_cdc_dumper_m_currentThreadCount|dumper_m_currentThreadCount|瞬时值|-|dumper master线程数| |polardbx_cdc_dumper_s_delay|dumper_s_delay|平均值|latestDelayTimeOnCommit|dumper slave延迟时间| |polardbx_cdc_dumper_s_eps|dumper_s_eps|平均值|avgWriteEps|dumper slave每秒处理Event的个数| |polardbx_cdc_dumper_s_tps|dumper_s_tps|平均值|avgWriteTps|dumper slave每秒处理事务的个数| |polardbx_cdc_dumper_s_bps|dumper_s_bps|平均值|avgWriteBps|dumper slave每秒处理的数据量| |polardbx_cdc_dumper_s_event_rt|dumper_s_event_rt|平均值|avgWriteTimePerEvent|dumper slave每条事件的处理时间| |polardbx_cdc_dumper_s_txn_rt|dumper_s_txn_rt|平均值|avgWriteTimePerTxn|dumper slave每个事务的处理时间| |polardbx_cdc_dumper_s_youngUsed|dumper_s_youngUsed|瞬时值|-|dumper slave年轻带使用量| |polardbx_cdc_dumper_s_youngMax|dumper_s_youngMax|瞬时值|-|dumper slave年轻代大小| |polardbx_cdc_dumper_s_oldUsed|dumper_s_oldUsed|瞬时值|-|dumper slave老年代使用量| |polardbx_cdc_dumper_s_oldMax|dumper_s_oldMax|瞬时值|-|dumper slave老年代大小| |polardbx_cdc_dumper_s_heapUsage|dumper_s_heapUsage|瞬时值|-|dumper slave内存使用率| |polardbx_cdc_dumper_s_youngCollectionCount|dumper_s_youngCollectionCount|累计值|-|dumper slave年轻代GC次数| |polardbx_cdc_dumper_s_oldCollectionCount|dumper_s_oldCollectionCount|累计值|-|dumper slave老年代GC次数| |polardbx_cdc_dumper_s_youngCollectionTime|dumper_s_youngCollectionTime|累计值|-|dumper slave年轻代GC时间| |polardbx_cdc_dumper_s_oldCollectionTime|dumper_s_oldCollectionTime|累计值|-|dumper slave老年代GC时间| |polardbx_cdc_dumper_s_currentThreadCount|dumper_s_currentThreadCount|瞬时值|-|dumper slave当前线程数| |polardbx_cdc_dumper_upload_bps|dumper_upload_bps|平均值|avgUploadBps|dumper每秒上传的字节数| |polardbx_cdc_dumper_dump_bps|dumper_dump_bps|平均值|avgDumpBps|dumper每秒通过dump协议发送的字节数| |polardbx_cdc_dumper_rev_buf_size|dumper_rev_buf_size|平均值|receiveQueueSize|dumper数据接收缓冲队列大小| |polardbx_cdc_dumper_write_buf_size|dumper_write_buf_size|平均值|writeQueueSize|dumper数据写入缓冲队列大小| |polardbx_cdc_task_merge_txn_count|merge_txn_count|累加值|mergeTxnTotal|task合并的总事务数| |polardbx_cdc_task_merge_txn_1pc_count|merge_1pctxn_count|累加值|merge1PcTxnTotal|task合并的总事务数(1pc)| |polardbx_cdc_task_merge_txn_2pc_count|merge_2pctxn_count|累加值|merge2PcTxnTotal|task合并的总事务数(2pc)| |polardbx_cdc_task_merge_tps|merge_tps|瞬时值|mergeTps|事务归并排序的tps| |polardbx_cdc_task_merge_1pc_tps|merge_1pc_tps|瞬时值|merge1pcTps|1pc事务归并排序的tps| |polardbx_cdc_task_merge_2pc_tps|merge_2pc_tps|瞬时值|merge2pcTps|2pc事务归并排序的tps| |polardbx_cdc_task_merge_buf_size|merge_buf_size|平均值|collectQueuedSize|merge缓冲队列占使用量| |polardbx_cdc_task_transmit_buf_size|trans_buf_size|平均值|transmitQueuedSize|Transmitter缓冲队列占使用量| |polardbx_cdc_task_dumping_buf_size|dumping_buf_size|平均值|dumpingQueueSize|Dumping缓冲队列占使用量| |polardbx_task_e_network_in_bytes_total_naive|net_in|瞬时值|netInBps|入口流量| |polardbx_task_e_in_tps|tran_per_second|瞬时值|inTps|事务tps| |polardbx_task_e_in_eps|event_per_second|瞬时值|inEps|eps| |polardbx_task_e_in_max_delay|in_delay|瞬时值|inDelay|输入延迟| |polardbx_cdc_task_max_sorter_queued_size|max_sorter_queued_size|瞬时值|maxSorterQueuedSize|一级排序队列中正在排队的事务个数(取所有extractor的最大值)| |polardbx_cdc_task_youngUsed|task_youngUsed|瞬时值|-|cdc task年轻代使用量| |polardbx_cdc_task_youngMax|task_youngMax|瞬时值|-|cdc task年轻代大小| |polardbx_cdc_task_oldUsed|task_oldUsed|瞬时值|-|cdc task老年代使用量| |polardbx_cdc_task_oldMax|task_oldMax|瞬时值|-|cdc task老年代大小| |polardbx_cdc_task_heapUsage|task_heapUsage|瞬时值|-|cdc task内存使用率| |polardbx_cdc_task_youngCollectionCount|task_youngCollectionCount|累计值|-|cdc task年轻的GC次数| |polardbx_cdc_task_oldCollectionCount|task_oldCollectionCount|累计值|-|cdc task老年代GC次数| |polardbx_cdc_task_youngCollectionTime|task_youngCollectionTime|累计值|-|cdc task年轻代GC时间| |polardbx_cdc_task_oldCollectionTime|task_oldCollectionTime|累计值|-|cdc task老年代GC时间| |polardbx_cdc_task_currentThreadCount|task_currentThreadCount|瞬时值|-|cdc task当前线程数| |polardbx_cdc_task_meta_logic_db_count|meta_logic_db_count|瞬时值|logicDbCount|元数据中逻辑DB的个数| |polardbx_cdc_task_meta_logic_table_count|meta_logic_table_count|瞬时值|logicTableCount|元数据中逻辑Table的个数| |polardbx_cdc_task_meta_phy_db_count|meta_phy_db_count|瞬时值|phyDbCount|元数据中物理DB的个数| |polardbx_cdc_task_meta_phy_table_count|meta_phy_table_count|瞬时值|phyTableCount|元数据中物理Table的个数| |polardbx_cdc_task_meta_logic_history_count|meta_logic_history_count|瞬时值|logicDdlHistoryCount|逻辑DDL记录总数| |polardbx_cdc_task_meta_phy_history_count|meta_phy_history_count|瞬时值|phyDdlHistoryCount|物理DDL记录总数| |polardbx_cdc_task_store_txn_count|store_txn_count|瞬时值|storeTxnCount|KVStore中保存的事务的个数| |polardbx_cdc_task_store_persisted_txn_count|store_persisted_txn_count|瞬时值|storePersistedTxnCount|KVStore中保存的持久化到磁盘的事务的个数| |polardbx_cdc_task_store_txnitem_count|store_txnitem_count|瞬时值|storeTxnItemCount|KVStore中保存的TxnItem个数| |polardbx_cdc_task_store_persisted_txnitem_count|store_persisted_txnitem_count|瞬时值|storePersistedTxnItemCount|KVStore中保存的持久化到磁盘的TxnItem个数| |polardbx_cdc_task_store_to_clean_txn_size|store_to_clean_txn_size|瞬时值|storeToCleanTxnSize|KVStore中待清理的Txn的个数| |polardbx_cdc_dumper_x_avg_delay|dumper_x_avg_delay|瞬时值|avgDelayTime|dumperx上所有流的平均延迟时间| |polardbx_cdc_dumper_x_max_delay|dumper_x_max_delay|瞬时值|maxDelayTime|dumperx上所有流的最大延迟时间| |polardbx_cdc_dumper_x_min_delay|dumper_x_min_delay|瞬时值|minDelayT