github.com/matrixorigin/matrixone@v1.2.0/pkg/hakeeper/config.go (about)

     1  // Copyright 2021 - 2022 Matrix Origin
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package hakeeper
    16  
    17  import (
    18  	"time"
    19  )
    20  
    21  const (
    22  	DefaultTickPerSecond     = 10
    23  	DefaultLogStoreTimeout   = 5 * time.Minute
    24  	DefaultTNStoreTimeout    = 10 * time.Second
    25  	DefaultCNStoreTimeout    = 30 * time.Second
    26  	DefaultProxyStoreTimeout = 30 * time.Second
    27  )
    28  
    29  type Config struct {
    30  	// TickPerSecond indicates how many ticks every second.
    31  	// In HAKeeper, we do not use actual time to measure time elapse.
    32  	// Instead, we use ticks.
    33  	TickPerSecond int
    34  
    35  	// LogStoreTimeout is the actual time limit between a log store's heartbeat.
    36  	// If HAKeeper does not receive two heartbeat within LogStoreTimeout,
    37  	// it regards the log store as down.
    38  	LogStoreTimeout time.Duration
    39  
    40  	// TNStoreTimeout is the actual time limit between a tn store's heartbeat.
    41  	// If HAKeeper does not receive two heartbeat within TNStoreTimeout,
    42  	// it regards the tn store as down.
    43  	TNStoreTimeout time.Duration
    44  
    45  	// CNStoreTimeout is the actual time limit between a cn store's heartbeat.
    46  	// If HAKeeper does not receive two heartbeat within CNStoreTimeout,
    47  	// it regards the tn store as down.
    48  	CNStoreTimeout time.Duration
    49  
    50  	// ProxyStoreTimeout is the actual time limit between a proxy store's heartbeat.
    51  	// If HAKeeper does not receive two heartbeat within ProxyStoreTimeout,
    52  	// it regards the proxy store as down.
    53  	ProxyStoreTimeout time.Duration
    54  }
    55  
    56  func (cfg Config) Validate() error {
    57  	return nil
    58  }
    59  
    60  func (cfg *Config) Fill() {
    61  	if cfg.TickPerSecond == 0 {
    62  		cfg.TickPerSecond = DefaultTickPerSecond
    63  	}
    64  	if cfg.LogStoreTimeout == 0 {
    65  		cfg.LogStoreTimeout = DefaultLogStoreTimeout
    66  	}
    67  	if cfg.TNStoreTimeout == 0 {
    68  		cfg.TNStoreTimeout = DefaultTNStoreTimeout
    69  	}
    70  	if cfg.CNStoreTimeout == 0 {
    71  		cfg.CNStoreTimeout = DefaultCNStoreTimeout
    72  	}
    73  	if cfg.ProxyStoreTimeout == 0 {
    74  		cfg.ProxyStoreTimeout = DefaultProxyStoreTimeout
    75  	}
    76  }
    77  
    78  func (cfg Config) LogStoreExpired(start, current uint64) bool {
    79  	return uint64(int(cfg.LogStoreTimeout/time.Second)*cfg.TickPerSecond)+start < current
    80  }
    81  
    82  func (cfg Config) TNStoreExpired(start, current uint64) bool {
    83  	return uint64(int(cfg.TNStoreTimeout/time.Second)*cfg.TickPerSecond)+start < current
    84  }
    85  
    86  func (cfg Config) CNStoreExpired(start, current uint64) bool {
    87  	return uint64(int(cfg.CNStoreTimeout/time.Second)*cfg.TickPerSecond)+start < current
    88  }
    89  
    90  func (cfg Config) ProxyStoreExpired(start, current uint64) bool {
    91  	return uint64(int(cfg.ProxyStoreTimeout/time.Second)*cfg.TickPerSecond)+start < current
    92  }
    93  
    94  func (cfg Config) ExpiredTick(start uint64, timeout time.Duration) uint64 {
    95  	return uint64(timeout/time.Second)*uint64(cfg.TickPerSecond) + start
    96  }