how to check archive log destination size in oracle

Create 3 new log groups sql> ALTER DATABASE ADD LOGFILE GROUP 4 ('/u01/app/oracle/oradata/orcl/redo06.log ') SIZE 500M;sql> ALTER DATABASE ADD LOGFILE GROUP 5 ('/u01/app/oracle/oradata/orcl/redo05.log ')

Today, we are doing an experiment with records/s inserted into the Oracle database. Both servers locally copy a million record table to another table with the same structure. One server took 12 s and the other one took nearly 2 minutes. Generate an AWR report during insertion in Em. With the help of eygle, it is found that the database performance is degraded due to the size of redo logs.# The following sta

1. create two new log groupsAlter database add logfile Group 4 ('d: \ oracle \ oradata \ oradb \ redo04_1.log ') size 1024 K;Alter database add logfile group 5 ('d: \ oracle \ oradata \ oradb \ redo05_1.log ')

The log buffer log_buffer is the memory area used by Oracle to store redo logs. When the database is started, you can see: SQL> startupThe Oracle routine has been started. Total system global area 85006980 bytesFixed size 453252 bytesVariable Size 46137344 bytesDatabas

Tags: Oracle Redolog1. Create a new log group1.alter Database Add logfile Group 4 ('/u01/app/oracle/oradata/jian/redo04.log ') size 1024k;2.alter Database Add logfile Group 5 ('/u01/app/oracle/oradata/jian/redo05.

--Create a folder where the path is the alter log pathCreate or ReplaceDirectory Data_dir as'/u01/app/oracle/diag/rdbms/orcl/orcl/trace';--Create an external tableCreate TableAlert_log (Text_linevarchar2(225)) organization external (TYPE Oracle_loaderDEFAULTDIRECTORY data_dir ACCESS PARAMETERS (RECORDS delimited byNEWLINE Fields) Location ('Alert_orcl.log' ));--Querying database startup time SQLSelect

Redo Log BufferThe size is determined by the initialization parameters.LOG_BUFFERThe default value of this parameter isMax (512KB, 128KB * CPU_COUNT). Generally, this default value is sufficient,WeYes, the Redo Log BufferWrite operations are quite frequentTherefore, too large Log Buffer settings are usually unnecessary

its size. However, online redo logs cannot be directly resize and need to be done as follows: 1 Add a new log file group and define its size Sys@test15>alter Database Add logfile Group 4 ('/data/oradata/orcl/data/redo04a.log ', '/HOME/ORACLE/DATA/ORCL /redo04b.log ') size