解决Redis大批量数据读取总数不准的问题，并将10万记录读取时间控制在23秒以内。
This commit is contained in:
ChenYi
parent
849e0f9ac2
commit
78127f7cea
@ -385,7 +385,7 @@ namespace JiShe.CollectBus.RedisDataCache
|
||||
bool descending = true)
|
||||
where T : DeviceCacheBasicModel
|
||||
{
|
||||
// 参数校验（保持不变）
|
||||
// 参数校验
|
||||
if (string.IsNullOrWhiteSpace(redisHashCacheKey) ||
|
||||
string.IsNullOrWhiteSpace(redisZSetScoresIndexCacheKey))
|
||||
{
|
||||
@ -396,7 +396,6 @@ namespace JiShe.CollectBus.RedisDataCache
|
||||
if (pageSize < 1 || pageSize > 10000)
|
||||
throw new ArgumentException("分页大小应在1-10000之间");
|
||||
|
||||
// 更新后的Lua脚本
|
||||
var luaScript = @"
|
||||
local command = ARGV[1]
|
||||
local range_start = ARGV[2]
|
||||
@ -405,93 +404,74 @@ local limit = tonumber(ARGV[4])
|
||||
local last_score = ARGV[5]
|
||||
local last_member = ARGV[6]
|
||||
|
||||
-- 调整range_start，当有last_score且没有last_member时
|
||||
if last_score ~= '' and last_member == '' then
|
||||
if command == 'ZRANGEBYSCORE' then
|
||||
range_start = '('..last_score
|
||||
else
|
||||
range_start = '('..last_score
|
||||
end
|
||||
end
|
||||
|
||||
-- 获取原始数据
|
||||
local members
|
||||
if command == 'ZRANGEBYSCORE' then
|
||||
members = redis.call(command, KEYS[1], range_start, range_end, 'WITHSCORES', 'LIMIT', 0, limit)
|
||||
members = redis.call(command, KEYS[1], range_start, range_end, 'WITHSCORES', 'LIMIT', 0, limit * 2)
|
||||
else
|
||||
members = redis.call('ZREVRANGEBYSCORE', KEYS[1], range_start, range_end, 'WITHSCORES', 'LIMIT', 0, limit)
|
||||
members = redis.call('ZREVRANGEBYSCORE', KEYS[1], range_start, range_end, 'WITHSCORES', 'LIMIT', 0, limit * 2)
|
||||
end
|
||||
|
||||
if #members == 0 then return {0,{},{},{}} end
|
||||
|
||||
local result_members = {}
|
||||
local result_scores = {}
|
||||
|
||||
-- 如果有last_member，进行过滤
|
||||
if last_member ~= '' and last_score ~= '' then
|
||||
for i = 1, #members, 2 do
|
||||
local member = members[i]
|
||||
local score = members[i+1]
|
||||
local include = true
|
||||
|
||||
if score == last_score then
|
||||
if command == 'ZRANGEBYSCORE' then
|
||||
-- 升序：member必须 > last_member
|
||||
if member <= last_member then
|
||||
include = false
|
||||
end
|
||||
-- 过滤数据
|
||||
local filtered_members = {}
|
||||
local count = 0
|
||||
for i = 1, #members, 2 do
|
||||
local member = members[i]
|
||||
local score = members[i+1]
|
||||
local include = true
|
||||
if last_score ~= '' and last_member ~= '' then
|
||||
if command == 'ZRANGEBYSCORE' then
|
||||
-- 升序：score > last_score 或 (score == last_score 且 member > last_member)
|
||||
if score == last_score then
|
||||
include = member > last_member
|
||||
else
|
||||
-- 降序：member必须 < last_member
|
||||
if member >= last_member then
|
||||
include = false
|
||||
end
|
||||
include = tonumber(score) > tonumber(last_score)
|
||||
end
|
||||
else
|
||||
-- 降序：score < last_score 或 (score == last_score 且 member < last_member)
|
||||
if score == last_score then
|
||||
include = member < last_member
|
||||
else
|
||||
include = tonumber(score) < tonumber(last_score)
|
||||
end
|
||||
end
|
||||
|
||||
if include then
|
||||
table.insert(result_members, member)
|
||||
table.insert(result_scores, score)
|
||||
end
|
||||
if include then
|
||||
table.insert(filtered_members, member)
|
||||
table.insert(filtered_members, score)
|
||||
count = count + 1
|
||||
if count >= limit then
|
||||
break
|
||||
end
|
||||
end
|
||||
else
|
||||
for i = 1, #members, 2 do
|
||||
table.insert(result_members, members[i])
|
||||
table.insert(result_scores, members[i+1])
|
||||
end
|
||||
end
|
||||
|
||||
-- 截取前limit条
|
||||
local count = #result_members
|
||||
if count > limit then
|
||||
result_members = {unpack(result_members, 1, limit)}
|
||||
result_scores = {unpack(result_scores, 1, limit)}
|
||||
-- 提取有效数据
|
||||
local result_members, result_scores = {}, {}
|
||||
for i=1,#filtered_members,2 do
|
||||
table.insert(result_members, filtered_members[i])
|
||||
table.insert(result_scores, filtered_members[i+1])
|
||||
end
|
||||
|
||||
if #result_members == 0 then
|
||||
return {0, {}, {}, {}}
|
||||
end
|
||||
if #result_members == 0 then return {0,{},{},{}} end
|
||||
|
||||
-- 获取Hash数据
|
||||
local hash_data = redis.call('HMGET', KEYS[2], unpack(result_members))
|
||||
return {#result_members, result_members, result_scores, hash_data}";
|
||||
|
||||
// 修复点：根据是否传递lastMember决定rangeStart是否排他
|
||||
// 调整范围构造逻辑（移除排他符号）
|
||||
string rangeStart, rangeEnd;
|
||||
if (descending)
|
||||
{
|
||||
rangeStart = lastScore.HasValue
|
||||
? (string.IsNullOrEmpty(lastMember) ? "(" + lastScore.Value.ToString() : lastScore.Value.ToString())
|
||||
: "+inf";
|
||||
rangeStart = lastScore.HasValue ? lastScore.Value.ToString() : "+inf";
|
||||
rangeEnd = "-inf";
|
||||
}
|
||||
else
|
||||
{
|
||||
rangeStart = lastScore.HasValue
|
||||
? (string.IsNullOrEmpty(lastMember) ? "(" + lastScore.Value.ToString() : lastScore.Value.ToString())
|
||||
: "-inf";
|
||||
rangeStart = lastScore.HasValue ? lastScore.Value.ToString() : "-inf";
|
||||
rangeEnd = "+inf";
|
||||
}
|
||||
|
||||
// 执行Lua脚本（保持不变）
|
||||
var scriptResult = (object[])await Instance.EvalAsync(luaScript,
|
||||
new[] { redisZSetScoresIndexCacheKey, redisHashCacheKey },
|
||||
new object[]
|
||||
@ -499,21 +479,19 @@ return {#result_members, result_members, result_scores, hash_data}";
|
||||
descending ? "ZREVRANGEBYSCORE" : "ZRANGEBYSCORE",
|
||||
rangeStart,
|
||||
rangeEnd,
|
||||
(pageSize + 1).ToString(),
|
||||
(pageSize + 1).ToString(), // 获取pageSize+1条以判断是否有下一页
|
||||
lastScore?.ToString() ?? "",
|
||||
lastMember ?? ""
|
||||
});
|
||||
|
||||
// 处理空结果（保持不变）
|
||||
if ((long)scriptResult[0] == 0)
|
||||
return new BusCacheGlobalPagedResult<T> { Items = new List<T>() };
|
||||
|
||||
// 数据提取（保持不变）
|
||||
// 处理结果集
|
||||
var members = ((object[])scriptResult[1]).Cast<string>().ToList();
|
||||
var scores = ((object[])scriptResult[2]).Cast<string>().Select(decimal.Parse).ToList();
|
||||
var hashData = ((object[])scriptResult[3]).Cast<string>().ToList();
|
||||
|
||||
// 反序列化处理（保持不变）
|
||||
var validItems = members.Select((m, i) =>
|
||||
{
|
||||
try
|
||||
@ -527,18 +505,17 @@ return {#result_members, result_members, result_scores, hash_data}";
|
||||
_logger.LogError($"反序列化失败: {m} - {ex.Message}");
|
||||
return null;
|
||||
}
|
||||
}).Where(x => x != null).Take(pageSize + 1).ToList();
|
||||
}).Where(x => x != null).ToList();
|
||||
|
||||
// 分页逻辑（保持不变）
|
||||
var hasNext = validItems.Count > pageSize;
|
||||
var actualItems = hasNext ? validItems.Take(pageSize) : validItems;
|
||||
|
||||
// 计算下一页锚点（保持不变）
|
||||
// 修正分页锚点索引
|
||||
decimal? nextScore = null;
|
||||
string nextMember = null;
|
||||
if (hasNext && actualItems.Any())
|
||||
{
|
||||
var lastIndex = Math.Min(members.Count - 1, pageSize);
|
||||
var lastIndex = actualItems.Count() - 1; // 使用actualItems的最后一个索引
|
||||
nextScore = scores[lastIndex];
|
||||
nextMember = members[lastIndex];
|
||||
}
|
||||
@ -551,7 +528,7 @@ return {#result_members, result_members, result_scores, hash_data}";
|
||||
NextMember = nextMember,
|
||||
TotalCount = await GetTotalCount(redisZSetScoresIndexCacheKey),
|
||||
PageSize = pageSize,
|
||||
};
|
||||
};
|
||||
}
|
||||
|
||||
///// <summary>
|
||||
|
||||
@ -213,50 +213,53 @@ namespace JiShe.CollectBus.ScheduledMeterReading
|
||||
public virtual async Task InitAmmeterCacheData(string gatherCode = "")
|
||||
{
|
||||
#if DEBUG
|
||||
var timeDensity = "15";
|
||||
string tempCacheMeterInfoKey = $"CollectBus:{"{0}:{1}"}:MeterInfo:{"{2}"}:{"{3}"}";
|
||||
//获取缓存中的电表信息
|
||||
var redisKeyList = $"{string.Format(tempCacheMeterInfoKey, SystemType, "JiSheCollectBus", MeterTypeEnum.Ammeter, timeDensity)}*";
|
||||
//var timeDensity = "15";
|
||||
//string tempCacheMeterInfoKey = $"CollectBus:{"{0}:{1}"}:MeterInfo:{"{2}"}:{"{3}"}";
|
||||
////获取缓存中的电表信息
|
||||
//var redisKeyList = $"{string.Format(tempCacheMeterInfoKey, SystemType, "JiSheCollectBus", MeterTypeEnum.Ammeter, timeDensity)}*";
|
||||
|
||||
var oneMinutekeyList = await FreeRedisProvider.Instance.KeysAsync(redisKeyList);
|
||||
var tempMeterInfos = await GetMeterRedisCacheListData<AmmeterInfoTemp>(oneMinutekeyList, SystemType, ServerTagName, timeDensity, MeterTypeEnum.Ammeter);
|
||||
//List<string> focusAddressDataLista = new List<string>();
|
||||
List<AmmeterInfo> meterInfos = new List<AmmeterInfo>();
|
||||
foreach (var item in tempMeterInfos)
|
||||
{
|
||||
var tempData = item.Adapt<AmmeterInfo>();
|
||||
tempData.FocusId = item.FocusID;
|
||||
tempData.MeterId = item.Id;
|
||||
meterInfos.Add(tempData);
|
||||
//focusAddressDataLista.Add(item.FocusAddress);
|
||||
}
|
||||
//var oneMinutekeyList = await FreeRedisProvider.Instance.KeysAsync(redisKeyList);
|
||||
//var tempMeterInfos = await GetMeterRedisCacheListData<AmmeterInfoTemp>(oneMinutekeyList, SystemType, ServerTagName, timeDensity, MeterTypeEnum.Ammeter);
|
||||
////List<string> focusAddressDataLista = new List<string>();
|
||||
//List<AmmeterInfo> meterInfos = new List<AmmeterInfo>();
|
||||
//foreach (var item in tempMeterInfos)
|
||||
//{
|
||||
// var tempData = item.Adapt<AmmeterInfo>();
|
||||
// tempData.FocusId = item.FocusID;
|
||||
// tempData.MeterId = item.Id;
|
||||
// meterInfos.Add(tempData);
|
||||
// //focusAddressDataLista.Add(item.FocusAddress);
|
||||
//}
|
||||
|
||||
//DeviceGroupBalanceControl.InitializeCache(focusAddressDataLista);
|
||||
|
||||
//var timeDensity = "15";
|
||||
//var redisCacheMeterInfoHashKeyTemp = $"{string.Format(RedisConst.CacheMeterInfoHashKey, SystemType, "JiSheCollectBus2", MeterTypeEnum.Ammeter, timeDensity)}";
|
||||
//var redisCacheMeterInfoSetIndexKeyTemp = $"{string.Format(RedisConst.CacheMeterInfoSetIndexKey, SystemType, "JiSheCollectBus2", MeterTypeEnum.Ammeter, timeDensity)}";
|
||||
//var redisCacheMeterInfoZSetScoresIndexKeyTemp = $"{string.Format(RedisConst.CacheMeterInfoZSetScoresIndexKey, SystemType, "JiSheCollectBus2", MeterTypeEnum.Ammeter, timeDensity)}";
|
||||
var timeDensity = "15";
|
||||
var redisCacheMeterInfoHashKeyTemp = $"{string.Format(RedisConst.CacheMeterInfoHashKey, SystemType, "JiSheCollectBus2", MeterTypeEnum.Ammeter, timeDensity)}";
|
||||
var redisCacheMeterInfoSetIndexKeyTemp = $"{string.Format(RedisConst.CacheMeterInfoSetIndexKey, SystemType, "JiSheCollectBus2", MeterTypeEnum.Ammeter, timeDensity)}";
|
||||
var redisCacheMeterInfoZSetScoresIndexKeyTemp = $"{string.Format(RedisConst.CacheMeterInfoZSetScoresIndexKey, SystemType, "JiSheCollectBus2", MeterTypeEnum.Ammeter, timeDensity)}";
|
||||
|
||||
var timer1 = Stopwatch.StartNew();
|
||||
decimal? cursor = null;
|
||||
string member = null;
|
||||
bool hasNext;
|
||||
List<AmmeterInfo> meterInfos = new List<AmmeterInfo>();
|
||||
do
|
||||
{
|
||||
var page = await _redisDataCacheService.GetAllPagedData<AmmeterInfo>(
|
||||
redisCacheMeterInfoHashKeyTemp,
|
||||
redisCacheMeterInfoZSetScoresIndexKeyTemp,
|
||||
pageSize: 1000,
|
||||
lastScore: cursor,
|
||||
lastMember: member);
|
||||
|
||||
//decimal? cursor = null;
|
||||
//string member = null;
|
||||
//bool hasNext;
|
||||
//List<AmmeterInfo> meterInfos = new List<AmmeterInfo>();
|
||||
//do
|
||||
//{
|
||||
// var page = await _redisDataCacheService.GetAllPagedData<AmmeterInfo>(
|
||||
// redisCacheMeterInfoHashKeyTemp,
|
||||
// redisCacheMeterInfoZSetScoresIndexKeyTemp,
|
||||
// pageSize: 1000,
|
||||
// lastScore: cursor,
|
||||
// lastMember: member);
|
||||
meterInfos.AddRange(page.Items);
|
||||
cursor = page.HasNext ? page.NextScore : null;
|
||||
member = page.HasNext ? page.NextMember : null;
|
||||
hasNext = page.HasNext;
|
||||
} while (hasNext);
|
||||
|
||||
// meterInfos.AddRange(page.Items);
|
||||
// cursor = page.HasNext ? page.NextScore : null;
|
||||
// member = page.HasNext ? page.NextMember : null;
|
||||
// hasNext = page.HasNext;
|
||||
//} while (hasNext);
|
||||
timer1.Stop();
|
||||
_logger.LogError($"读取数据更花费时间{timer1.ElapsedMilliseconds}毫秒");
|
||||
|
||||
#else
|
||||
var meterInfos = await GetAmmeterInfoList(gatherCode);
|
||||
|
||||
@ -129,7 +129,7 @@
|
||||
"OpenDebugMode": true,
|
||||
"UseTableSessionPoolByDefault": false
|
||||
},
|
||||
"ServerTagName": "JiSheCollectBus2",
|
||||
"ServerTagName": "JiSheCollectBus3",
|
||||
"KafkaReplicationFactor": 3,
|
||||
"NumPartitions": 30
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user