下面是一个使用wait_for()函数的示例: 代码语言:txt 复制 import discord client = discord.Client() @client.event async def on_ready(): print('Bot is ready') @client.event async def on_message(message): if message.content == '!wait': def check(m): return m.author == message.author an...
通过查询future状态获取结果,future由三种状态组成,分别是: Deferred:异步操作还没开始 Ready:异步操作已经完成 Timeout:异步操作超时 在实际编码中,可以通过判断这三种内部状态异步获取执行结果...:iRes=5 2 异步操作函数:async 相对前面的异步操作类,std::async要高级的多,且可以直接创建异步的task类,异步返回结果...
,现象如下:ERROR|org.hibernate.engine.jdbc.spi.SqlExceptionHelper|[SimpleAsyncTaskExecutor-52]Timeout...就开始怀疑HashMap高并发非线程安全导致,占用数据库连接无法释放。由于没有堆信息进行佐证,我们无法石锤 但是这里很明显是p6spy打印sql日志引起的问题,我们可以到它的官网进行求证https ...
ASYNC_NETWORK_IO Occurs on network writes when the task is blocked waiting for the client application to acknowledge that it has processed all the data sent to it. Verify that the client application is processing data from the ...
.IOException: java.sql.SQLException: Lock wait timeout exceeded; try restarting transaction at org.apache.sqoop.mapreduce.AsyncSqlRecordWriter.write(AsyncSqlRecordWriter.java:220) at org.apache.sqoop.mapreduce.AsyncSqlRecordWriter.write(AsyncSqlRecordWriter.java:46) at org.apache.hadoop.mapred.MapTa...
LWLock:async A process is waiting for I/O on an async (notify) buffer. LWLock:AsyncCtlLock A process is waiting to read or update a shared notification state. LWLock:AsyncQueueLock A process is waiting to read or update notification messages. LWLock:AuroraOptimizedReadsCacheMapping A process...
for wait statsclassWaitStat{publicstringWaitType{get;set;}publiclongWaitingTasksCount{get;set;}publiclongWaitTimeMs{get;set;}publiclongMaxWaitTimeMs{get;set;}publiclongSignalWaitTimeMs{get;set;}}staticvoidMain(){inti=0;longtotalTime=0;inttotalRows=0;intqueryC...
0 concurrent_insert,1 connect_timeout,5 datadir,C:\\mysql\\Data\\ date_format,%Y-%m-%d datetime_format,%Y-%m-%d %H:%i:%s default_week_format,0 delay_key_write,ON delayed_insert_limit,100 delayed_insert_timeout,300 delayed_queue_size,1000 div_precision_increment,4 engine_condition_...
setTimeout(() => resolve("Hello World!"), 3000) }); let result = await promise; // wait until the promise resolves (*) alert(result); // "Hello World!" } displayMessage(); Let us now see how we can rewrite the example code given for Promise using async/await in JavaScript. fu...
FT_IFTS_ASYNC_WRITE_PIPE Solo para uso interno.Se aplica a: SQL Server 2022 (16.x) CU 1 y versiones posteriores. FT_IFTS_BLOB_HASH Solo para uso interno.Se aplica a: SQL Server 2022 (16.x) CU 1 y versiones posteriores. FT_IFTS_CATEALOG_SOURCE Solo para uso interno.Se aplica...