Question 131
Regarding the scenario of the small I0 write cache in Huawei's distributed storage multi-level cache technology, which of the following is the correct order?
① Enter the WAL log area based on the SSD buffer disk, and return to the host to complete the write operation
② When the memory write cache reaches a certain water level, the data starts to be flushed down
③ Data writing based on RAM Write Cache
④ The small IO will be written to the SSD cache of the node first, and then written to the HDD after being aggregated into a large IO
① Enter the WAL log area based on the SSD buffer disk, and return to the host to complete the write operation
② When the memory write cache reaches a certain water level, the data starts to be flushed down
③ Data writing based on RAM Write Cache
④ The small IO will be written to the SSD cache of the node first, and then written to the HDD after being aggregated into a large IO
Question 132
Which of the following options belong to the function of the CMS cluster? (Multiple choice)
Question 133
Cloudera Hadoop docking process includes:
1. Data preparation.
2. Verify the connection status
3. Install HDFS Plugin to Cloudera Hadoop nodes and clients.
4. Migrate business data
Which of the following options is in the correct docking sequence?
1. Data preparation.
2. Verify the connection status
3. Install HDFS Plugin to Cloudera Hadoop nodes and clients.
4. Migrate business data
Which of the following options is in the correct docking sequence?
Question 134
In the VMware environment, the scenarios where VADP cannot be used for backup are ____.
Question 135
Which of the following technologies can be used together with SmartPartition to increase cache read/write performance? (Multiple Choice)