# 1. 打开optimizer trace功能 (默认情况下它是关闭的): SET optimizer_trace="enabled=on"; SELECT ...; # 这里输入你自己的查询语句 SELECT * FROM INFORMATION_SCHEMA.OPTIMIZER_TRACE; # 当你停止查看语句的优化过程时,把optimizer trace功能关闭 SET optimizer_trace="enabled=off"; 1. 2. 3. 4. 5....
AUTOTRACE是一个很出色的Oracle SQL语句的诊断工具,与Explain plan不同的是这条SQL是实际执行了的,同时AUTOTRACE使用起来也极为方便。 一、启用Autotrace功能。 任何以SQL*PLUS连接的session都可以用Autotrace,不过还是要做一些设置的,否则可能报错。 1、报错示例: SQL :> set autotrace on; SP2-0613: Unable to...
SQL> select * FROM test.testindex where upper(a)='A'; A B -- --- a 2 Execution Plan --- 0 SELECT STATEMENT Optimizer=HINT: RULE 1 0 TABLE ACCESS (FULL) OF 'TESTINDEX' (优化器选择了全表扫描) --- SQL> select * FROM test.testindex where upper(a)='A'; A B -- -...
Alter SESSION SET EVENTS 'immediate trace name locks level n'; 16).Shared Server Process Alter SESSION SET EVENTS 'immediate trace name shared_server_state level n'; n取值为1~14 17).Background Messages Alter SESSION SET EVENTS 'immediate trace name bg_messages level n'; n为pid+1 二.File...
MXNET_ENABLED = False try: import torch @@ -59,23 +63,6 @@ def parse_model_string(pretrained_model): concatenation = ostrs[2]=='on' return residual_on, style_on, concatenation def use_gpu(gpu_number=0, use_torch=True): """ check if gpu works """ if use_torch: return _use_...
The INFORMATION_SCHEMA OPTIMIZER_TRACE Table The INFORMATION_SCHEMA PARAMETERS Table The INFORMATION_SCHEMA PARTITIONS Table The INFORMATION_SCHEMA PLUGINS Table The INFORMATION_SCHEMA PROCESSLIST Table The INFORMATION_SCHEMA PROFILING Table The INFORMATION_SCHEMA REFERENTIAL_CONSTRAINTS Table The INFORM...
Cost Control: Inside the Oracle Optimizer You might also investigate using SQL Profiles, which are another method for choosing the best query plans. You can use the SQL Advisor within Enterprise Manager to create these profiles when you identify poorly performing SQL. ...
XINCLUDE, on); processor.setConfigurationProperty(Feature.XML_VERSION, value); processor.setConfigurationProperty(Feature.XSD_VERSION, value); 代码示例来源:origin: net.sf.saxon/Saxon-HE if (value != null) { explain = true; processor.setConfigurationProperty(Feature.TRACE_OPTIMIZER_DECISIONS, true)...
(model_path, model_version) print('export_path = {}\n'.format(export_path)) tf.keras.models.save_model( model, export_path, overwrite=True, include_optimizer=True, save_format=None, signatures=None, options=None ) print('\nSaved model success') if __name__ == '__ma...
function_optimizer: Graph size after: 1216 nodes (901), 1824 edges (1509), time = 176.228ms. function_optimizer: function_optimizer did nothing. time = 2.022ms. 2021-10-07 13:07:39.201871: I tensorflow/stream_executor/cuda/cuda_gpu_executor.cc:1001] ARM64 does not support NUMA - returnin...