启动很慢的tikv的日志中:[2021/11/26 17:00:48.838 +08:00] [INFO] [server.rs:300] [“using config”] [config="{“log-level”:“info”,“log-file”:"/data/tidb-deploy/tikv-20160/log/tikv.log",“log-format”:“text”,“slow-log-file”:"",“slow-log-threshold”:“1s”,“log-rotation-timespan”:“1d”,“log-rotation-size”:“300MiB”,“panic-when-unexpected-key-or-data”:false,“enable-io-snoop”:true,“abort-on-panic”:false,“memory-usage-limit”:“34359738KiB”,“memory-usage-high-water”:0.9,“readpool”:{“unified”:{“min-thread-count”:8,“max-thread-count”:16,“stack-size”:“10MiB”,“max-tasks-per-worker”:2000},“storage”:{“use-unified-pool”:false,“high-concurrency”:8,“normal-concurrency”:12,“low-concurrency”:8,“max-tasks-per-worker-high”:2000,“max-tasks-per-worker-normal”:2000,“max-tasks-per-worker-low”:2000,“stack-size”:“10MiB”},“coprocessor”:{“use-unified-pool”:true,“high-concurrency”:14,“normal-concurrency”:14,“low-concurrency”:14,“max-tasks-per-worker-high”:2000,“max-tasks-per-worker-normal”:2000,“max-tasks-per-worker-low”:2000,“stack-size”:“10MiB”}},“server”:{“addr”:“0.0.0.0:20160”,“advertise-addr”:“172.24.0.119:20160”,“status-addr”:“0.0.0.0:20180”,“advertise-status-addr”:“172.24.0.119:20180”,“status-thread-pool-size”:1,“max-grpc-send-msg-len”:10485760,“raft-client-grpc-send-msg-buffer”:524288,“raft-client-queue-size”:8192,“raft-msg-max-batch-size”:128,“grpc-compression-type”:“none”,“grpc-concurrency”:8,“grpc-concurrent-stream”:1024,“grpc-raft-conn-num”:1,“grpc-memory-pool-quota”:9223372036854775807,“grpc-stream-initial-window-size”:“2MiB”,“grpc-keepalive-time”:“10s”,“grpc-keepalive-timeout”:“3s”,“concurrent-send-snap-limit”:32,“concurrent-recv-snap-limit”:32,“end-point-recursion-limit”:1000,“end-point-stream-channel-size”:8,“end-point-batch-row-limit”:64,“end-point-stream-batch-row-limit”:128,“end-point-enable-batch-if-possible”:true,“end-point-request-max-handle-duration”:“1m”,“end-point-max-concurrency”:18,“snap-max-write-bytes-per-sec”:“100MiB”,“snap-max-total-size”:“0KiB”,“stats-concurrency”:1,“heavy-load-threshold”:300,“heavy-load-wait-duration”:“1ms”,“enable-request-batch”:false,“background-thread-count”:3,“end-point-slow-log-threshold”:“1s”,“forward-max-connections-per-address”:4,“labels”:{}},“storage”:{“data-dir”:"/data/tidb-data/tikv-20160",“gc-ratio-threshold”:1.1,“max-key-size”:4096,“scheduler-concurrency”:524288,“scheduler-worker-pool-size”:8,“scheduler-pending-write-threshold”:“100MiB”,“reserve-space”:“5GiB”,“enable-async-apply-prewrite”:false,“enable-ttl”:false,“ttl-check-poll-interval”:“12h”,“block-cache”:{“shared”:true,“capacity”:“21151MiB”,“num-shard-bits”:6,“strict-capacity-limit”:false,“high-pri-pool-ratio”:0.8,“memory-allocator”:“nodump”},“io-rate-limit”:{“max-bytes-per-sec”:“0KiB”,“mode”:“write-only”,“strict”:false,“foreground-read-priority”:“high”,“foreground-write-priority”:“high”,“flush-priority”:“high”,“level-zero-compaction-priority”:“medium”,“compaction-priority”:“low”,“replication-priority”:“high”,“load-balance-priority”:“high”,“gc-priority”:“high”,“import-priority”:“medium”,“export-priority”:“medium”,“other-priority”:“high”}},“pd”:{“endpoints”:[“172.24.0.118:2379”,“172.24.0.116:2379”,“172.24.0.114:2379”],“retry-interval”:“300ms”,“retry-max-count”:9223372036854775807,“retry-log-every”:10,“update-interval”:“10m”,“enable-forwarding”:false},“metric”:{“job”:“tikv”},“raftstore”:{“prevote”:true,“raftdb-path”:"/data/tidb-data/tikv-20160/raft",“capacity”:“0KiB”,“raft-base-tick-interval”:“1s”,“raft-heartbeat-ticks”:2,“raft-election-timeout-ticks”:10,“raft-min-election-timeout-ticks”:10,“raft-max-election-timeout-ticks”:20,“raft-max-size-per-msg”:“1MiB”,“raft-max-inflight-msgs”:256,“raft-entry-max-size”:“8MiB”,“raft-log-gc-tick-interval”:“10s”,“raft-log-gc-threshold”:50,“raft-log-gc-count-limit”:73728,“raft-log-gc-size-limit”:“72MiB”,“raft-log-reserve-max-ticks”:6,“raft-engine-purge-interval”:“10s”,“raft-entry-cache-life-time”:“30s”,“raft-reject-transfer-leader-duration”:“3s”,“split-region-check-tick-interval”:“10s”,“region-split-check-diff”:“6MiB”,“region-compact-check-interval”:“5m”,“region-compact-check-step”:100,“region-compact-min-tombstones”:10000,“region-compact-tombstones-percent”:30,“pd-heartbeat-tick-interval”:“1m”,“pd-store-heartbeat-tick-interval”:“10s”,“snap-mgr-gc-tick-interval”:“1m”,“snap-gc-timeout”:“4h”,“lock-cf-compact-interval”:“10m”,“lock-cf-compact-bytes-threshold”:“256MiB”,“notify-capacity”:40960,“messages-per-tick”:4096,“max-peer-down-duration”:“5m”,“max-leader-missing-duration”:“2h”,“abnormal-leader-missing-duration”:“10m”,“peer-stale-state-check-interval”:“5m”,“leader-transfer-max-log-lag”:128,“snap-apply-batch-size”:“10MiB”,“consistency-check-interval”:“0s”,“report-region-flow-interval”:“1m”,“raft-store-max-leader-lease”:“9s”,“right-derive-when-split”:true,“allow-remove-leader”:false,“merge-max-log-gap”:10,“merge-check-tick-interval”:“2s”,“use-delete-range”:false,“cleanup-import-sst-interval”:“10m”,“local-read-batch-size”:1024,“apply-max-batch-size”:256,“apply-pool-size”:5,“apply-reschedule-duration”:“5s”,“apply-low-priority-pool-size”:1,“store-max-batch-size”:256,“store-pool-size”:5,“store-resched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[2021/11/26 17:04:00.283 +08:00] [INFO] [mod.rs:118] [“encryption: none of key dictionary and file dictionary are found.”]
在tikv的启动过程,这两个输出日志间隔就是4分钟以上,这4分钟tikv启动服务在干什么呢?为什么和磁盘大小有关系呢?磁盘越大.tikv启动时间就越长