问题描述 在阿里云云数据库RDS的MySQL版实例上执行 select*from performance_schema.threads 返回结果为空。问题原因 由于 performance_schema 值关闭导致，因为该值开启后会影响实例的性能，所以RDS中该功能默认是关闭状态。说明 MySQL中...
public class Main { public static void main(String[]args)throws ApiException,NoApiKeyException,InputRequiredException,InvalidateParameter,InterruptedException { Threads threads=new Threads();AssistantThread assistantThread...
Variable_name|Value|+-+-+|thread_pool_active_threads|1|thread_pool_big_threads|0|thread_pool_dml_threads|0|thread_pool_idle_threads|19|thread_pool_qry_threads|0|thread_pool_total_threads|20|thread_pool_trx_threads|0|thread...
create a thread Threads threads=new Threads();AssistantThread assistantThread=threads.create(ThreadParam.builder().build());create a message to thread Messages messages=new Messages();ThreadMessage message=messages.create...
JVM Daemon ThreadCount hive_metastore_threads_daemon_count JVM Daemon线程数 JVM Blocked ThreadCount hive_metastore_threads_blocked_count JVM Blocked线程数。JVM Deadlock ThreadCount hive_metastore_threads_deadlock_count JVM...
p"fieldlength=${fieldlength}"-threads${threads} sleep${load_sleep_time}#Uniform-Read./bin/ycsb run redis-s-P workloads/workloadc-p"redis.host=${ip}"-p"redis.port=${port}"-p"recordcount=${recordcount}"-p"operationcount=${...
p"fieldlength=${fieldlength}"-threads${threads} sleep${load_sleep_time}#Uniform-Read./bin/ycsb run redis-s-P workloads/workloadc-p"redis.host=${ip}"-p"redis.port=${port}"-p"recordcount=${recordcount}"-p"operationcount=${...
then max_pid=${tid} max_threads=${num_threads} fi#echo"Thread${pid}:${num_threads}"fi done echo"Total threads:${total_threads}"echo"Max threads:${max_threads},pid is${max_pid}"ps-ef|grep${max_pid}|grep-v grep 启动Kudu失败...
p"fieldlength=${fieldlength}"-threads${threads} sleep${load_sleep_time}#Uniform-Read./bin/ycsb run redis-s-P workloads/workloadc-p"redis.host=${ip}"-p"redis.port=${port}"-p"recordcount=${recordcount}"-p"operationcount=${...
p"fieldlength=${fieldlength}"-threads${threads} sleep${load_sleep_time}#Uniform-Read./bin/ycsb run redis-s-P workloads/workloadc-p"redis.host=${ip}"-p"redis.port=${port}"-p"recordcount=${recordcount}"-p"operationcount=${...
threads_states_threads{application="demo",state="waiting",} 11.0 jvm_threads_states_threads{application="demo",state="blocked",} 0.0 jvm_threads_states_threads{application="demo",state="timed-waiting",} 7.0 jvm_threads_...
edas busy-threads-current 使用开源工具诊断 show-busy-java-threads 在非ECS集群的环境中，可以使用show-busy-java-threads开源脚本来找到占用指定进程中排名前几位CPU高的线程。执行以下命令，下载并使用show-busy-java-threads脚本。...
threads_states_threads{application="demo",state="waiting",} 11.0 jvm_threads_states_threads{application="demo",state="blocked",} 0.0 jvm_threads_states_threads{application="demo",state="timed-waiting",} 7.0 jvm_threads_...
准备数据 sysbench-db-driver=mysql-mysql-host=XXX-mysql-port=XXX-mysql-user=XXX-mysql-password=XXX-mysql-db=sbtest-table_size=25000-tables=100-events=0-time=300-threads=XXX oltp_read_write prepare#运行workload sysbench-db-...
} public static void sendMessage(Assistant assistant,String message)throws NoApiKeyException,InputRequiredException,InvalidateParameter,InterruptedException { Threads threads=new Threads();AssistantThread assistantThread=...
threads 启动多线程压测，并指定线程个数。说明 参数的更多信息，请参见 redis-benchmark。测试结果 对包括 SET、GET 等在内的十余种 Redis 基础命令进行性能测试并给出测试指标，且囊括了不同线程数、不同写入数据大小的场景。测试指标 ...
检索消息的关联文件 Python from dashscope.threads.messages.files import Files as MessageFiles message_file=MessageFiles.retrieve('file_id',thread_id='thread_id',message_id='message_id')Java import ...import ...
物理机架构实例（MongoDB 4.2）加载测试数据 CPU:Memory 实例规格 recordcount threads throughput RAL WAL 1:2 1核 2 GB（通用型）1000000 4 3589 0 1110 2核 4 GB（通用型）2000000 8 7629 0 521 4核 8 GB（通用型）4000000 16 24300 0 ...
说明 为确保redis-benchmark工具支持-threads 参数，自测时推荐使用最新的Redis版本进行编译，更多信息请参见 Redis开源项目。使用方法 在ECS实例下载Redis源代码，并且编译产生redis-benchmark文件，即可开始测试。例如测试SET命令的执行...
说明 为确保redis-benchmark工具支持-threads 参数，自测时推荐使用最新的Redis版本进行编译，更多信息请参见 Redis开源项目。使用方法 在ECS实例下载Redis源代码，并且编译产生redis-benchmark文件，即可开始测试。例如测试SET命令的执行...
bin/ycsb load hbase10-P<workload>-p table=test-threads 200-p columnfamily=f-s 测试场景 吞吐量对比测试 吞吐量测试为在固定线程数条件下，对比社区版HBase与云数据库HBase增强版本的吞吐能力差异。一共有4个测试场景，每组测试场景均...
bin/ycsb load hbase10-P<workload>-p table=test-threads 200-p columnfamily=f-s 吞吐量对比测试 吞吐量测试为在固定线程数条件下，对比社区版HBase与 云原生多模数据库 Lindorm 本的吞吐能力差异。一共有4个测试场景，每组测试场景均...
使用方法 innodb_polar_parallel_ddl_threads 您可以通过如下 innodb_polar_parallel_ddl_threads 参数开启并行DDL功能：参数 级别 说明 innodb_polar_parallel_ddl_threads Session 控制每一个DDL操作的并行线程数。取值范围：1~16。默认...
本文档主要基于当前Dashscope的Thread 类所具备的各类可被开发者使用的API 文档。函数名 类型 Create 创建thread 类 retrieve 检索thread 类 ...location 'https://dashscope.aliyuncs.com/api/v1/threads...
准备数据 sysbench-pgsql-password=XXX-pgsql-port=XXX-report-interval='1'-pgsql-host=XXX-tables='8'-db-driver='pgsql'-events='0'-histogram='on'-percentile='95'-threads='256'-table-size='64000000'-time='1200'-pgsql-user=XXX-...
bin/ycsb load mongodb-s-p workload=site.ycsb.workloads.CoreWorkload-p recordcount=1000000-p mongodb.url="mongodb:/test:*@dds-bp13e84d11*.mongodb.rds.aliyuncs.com:3717/admin" -threads 8 您需要修改如下参数值：recordcount=...
import com.alibaba.dashscope.threads.messages.Messages;import com.alibaba.dashscope.threads.messages.TextMessageParam;import com.alibaba.dashscope.threads.messages.ThreadMessage;public class Main { public static void main...
The number of daemon threads hue_threads_daemon 常驻线程数量。The total number of threads hue_threads_total 当前线程总数。Total number of user accounts hue_users 用户总数。Number of users that were active in the last hour ...
All active threads in current thread group（shared）将设置的吞吐量，分配到活跃的线程上（当前线程组的活跃线程），所有线程都会在所有活跃线程运行结束之后即所有活跃线程结束之后，等待合理时间（为了控制吞吐量）再次运行。...
All active threads in current thread group（shared）将设置的吞吐量，分配到活跃的线程上（当前线程组的活跃线程），所有线程都会在所有活跃线程运行结束之后即所有活跃线程结束之后，等待合理时间（为了控制吞吐量）再次运行。...
本文介绍测试RDS PostgreSQL实例性能的步骤。说明 本次压测时间统一为180秒。使用sysbench工具加载测试数据。sysbench./tests/include/oltp_legacy/oltp....max-requests=0 \-threads=200 \-report-interval=5 \-forced-shutdown=1 \ cleanup
partition_size_to_drop>0</max_partition_size_to_drop><max_table_size_to_drop>0</max_table_size_to_drop><merge_tree><max_delay_to_insert>256</max_delay_to_insert><max_part_loading_threads>auto</max_part_loading_threads>...
import com.alibaba.dashscope.threads.runs.RunStep;import com.alibaba.dashscope.threads.runs.Runs;public class Main { public static void main(String[]args)throws ApiException,NoApiKeyException,InputRequiredException,...
EMR-3.4.0及后续版本支持Kafka服务。创建Kafka集群 如果需要新建包含Kafka的集群，请登录E-...num.io.threads Kafka Broker的IO线程数，默认为主节点CPU核数的2倍。num.network.threads Kafka Broker的网络线程数，默认为主节点的CPU核数。
具体报错 java.io.IOException:Xceiver count xxxx exceeds the limit of concurrent xcievers:xxxx 问题原因 dfs.datanode.max.transfer.threads 参数用来设置DataNode处理读写数据流的线程池大小，默认值为4096个。如果该参数设置太小，...
db-driver=mysql-mysql-host=XXX-mysql-port=XXX-mysql-user=XXX-mysql-password=XXX-mysql-db=sbtest-table_size=25000-tables=250-events=0-time=600-threads=XXX-percentile=95-range_selects=0 oltp_read_only cleanup#清理 使用...
redis-benchmark-h端ECS实例主网卡的私有IP地址>-p<监听端口>-n 100000000-t set-threads 8-c 100 示例命令：redis-benchmark-h 172.16.52.67-p 6389-n 100000000-t set-threads 8-c 100 通过NetACC使用eRDMA的方式 您可以使用netacc_run...
range-size=5-threads={并发数} oltp_read_write run 按索引更新：sysbench-config-file='sysb.conf'-db-ps-mode='disable'-mysql-ignore-errors='all'-tables='16'-table-size='10000000'-threads={并发数} oltp_update_index run 非索引...
sysbench-db-driver=mysql-mysql-host=XXX-mysql-port=XXX-mysql-user=XXX-mysql-password=XXX-mysql-db=sbtest-table_size=25000-tables=250-events=0-time=600-threads=XXX-percentile=95-report-interval=1 oltp_read_write run 清理...
buffer_pool_size=128M innodb_buffer_pool_instances=1 innodb_read_io_threads=4 innodb_write_io_threads=4 innodb_buffer_pool_instances=1 innodb_flush_log_at_trx_commit=1 innodb_flush_method=O_DIRECT default_authentication_...