另一方面,我们知道PostgreSQL standby会从三个地方(流、pg_xlog、restore_command)读取XLOG进行恢复,所以在共享存储的环境中,我们完全没有必要用流复制的方式,直接从pg_xlog目录读取即可。修改recovery.conf参数,将以下注释 # primary_conninfo = 'host=127.0.0.1 port=192
To create a generated column, use the <literal>GENERATED ALWAYS AS</literal> clause in <command>CREATE TABLE</command>, for example: --> 生成列を作るには、<command>CREATE TABLE</command>で<literal>GENERATED ALWAYS AS</literal>節を使ってください。例を示します。 生成列を作るには、<comm...
existing mechanism of progress reporting. The advantage of this approach is that the machinery is already in place and ready to use. However, it is not suitable for the checkpointer process because only the checkpointer process runs the checkpoint, even if the command is issued from a different...
status in some database when things go wrong?). We're actually halfway to Gitlab et al already, with a web account and interaction required to start the process of submitting a patch for consideration. What I'm less clear on is who else has come up with the "bitrot" test idea, eith...
it already failed in any subscriber check. As I said in this previous email I decided to remove the logic that reacts for an issue on primary. We can reintroduce another code later if/when we have a better way to check the recovery progress. It will rely on the recovery_timeout ...
which is a clear difference from > what we do for every other command > > - it forces everything to be a string, i.e. you can' say "TIMEOUT 10", > it has to be "TIMEOUT '10'" > > I don't have a very strong opinion on this, but the result seems a bit > strange to ...
3. When we alter a namespace using command like ‘ALTER SCHEMA schema_name RENAME to new_schema_name’ all the table in cache are invalidated as ‘rel_sync_cache_publication_cb’ is called due to the following registered callback: