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Update
This commit is contained in:
Alexey Milovidov
parent
85fa26f2e8
commit
2424c546bd
@ -71,23 +71,23 @@ psql: error: connection to server at "localhost" (::1), port 5432 failed: fe_sen
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How to set up password?
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```
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ psql -U postgres -h localhost
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milovidov@mtlog-perftest03j:~$ psql -U postgres -h localhost
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Password for user postgres:
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psql: error: connection to server at "localhost" (::1), port 5432 failed: fe_sendauth: no password supplied
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ psql
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milovidov@mtlog-perftest03j:~$ psql
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psql: error: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: FATAL: role "milovidov" does not exist
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo psql
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milovidov@mtlog-perftest03j:~$ sudo psql
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psql: error: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: FATAL: role "root" does not exist
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ psql -U postgres
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milovidov@mtlog-perftest03j:~$ psql -U postgres
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psql: error: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: FATAL: Peer authentication failed for user "postgres"
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ psql -U postgres -h localost
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milovidov@mtlog-perftest03j:~$ psql -U postgres -h localost
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psql: error: could not translate host name "localost" to address: Name or service not known
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo psql -U postgres -h localost
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milovidov@mtlog-perftest03j:~$ sudo psql -U postgres -h localost
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psql: error: could not translate host name "localost" to address: Name or service not known
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo psql -U postgres -h localhost
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milovidov@mtlog-perftest03j:~$ sudo psql -U postgres -h localhost
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Password for user postgres:
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psql: error: connection to server at "localhost" (::1), port 5432 failed: fe_sendauth: no password supplied
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo -u postgres psql -h localhost
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milovidov@mtlog-perftest03j:~$ sudo -u postgres psql -h localhost
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Password for user postgres:
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psql: error: connection to server at "localhost" (::1), port 5432 failed: fe_sendauth: no password supplied
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```
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@ -242,7 +242,8 @@ sudo mcedit /etc/postgresql/13/main/postgresql.conf
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#listen_addresses = 'localhost'
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```
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Looks like I need to uncomment it.
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Looks like I need to uncomment it.ERROR: cannot change configuration on already compressed chunks
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DETAIL: There are compressed chunks that prevent changing the existing compression configuration.
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```
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sudo service postgresql restart
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@ -310,13 +311,13 @@ sudo service postgresql restart
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But now it does not accept password:
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```
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo -u postgres psql -h 127.0.0.1
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milovidov@mtlog-perftest03j:~$ sudo -u postgres psql -h 127.0.0.1
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Password for user postgres:
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psql: error: connection to server at "127.0.0.1", port 5432 failed: fe_sendauth: no password supplied
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo -u postgres psql -h 127.0.0.1 --password ''
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milovidov@mtlog-perftest03j:~$ sudo -u postgres psql -h 127.0.0.1 --password ''
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Password:
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psql: error: connection to server at "127.0.0.1", port 5432 failed: fe_sendauth: no password supplied
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo -u postgres psql -h 127.0.0.1
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milovidov@mtlog-perftest03j:~$ sudo -u postgres psql -h 127.0.0.1
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Password for user postgres:
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psql: error: connection to server at "127.0.0.1", port 5432 failed: fe_sendauth: no password supplied
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```
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@ -875,7 +876,7 @@ PostgreSQL does not support USE database.
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But I remember, that I can write `\c` instead. I guess `\c` means "change" (the database). Or it is called "schema" or "catalog".
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```
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo -u postgres psql
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milovidov@mtlog-perftest03j:~$ sudo -u postgres psql
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psql (13.4 (Ubuntu 13.4-4.pgdg18.04+1))
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Type "help" for help.
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@ -1083,7 +1084,7 @@ sudo apt install llvm
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It does not help:
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```
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo -u postgres psql
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milovidov@mtlog-perftest03j:~$ sudo -u postgres psql
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psql (13.4 (Ubuntu 13.4-4.pgdg18.04+1))
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Type "help" for help.
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@ -1097,16 +1098,16 @@ tutorial=#
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Dependency on system libraries is harmful.
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```
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ ls -l /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so
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milovidov@mtlog-perftest03j:~$ ls -l /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so
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lrwxrwxrwx 1 root root 16 Apr 6 2018 /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so -> libLLVM-6.0.so.1
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ ls -l /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1
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milovidov@mtlog-perftest03j:~$ ls -l /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1
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ls: cannot access '/usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1': No such file or directory
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```
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https://askubuntu.com/questions/481/how-do-i-find-the-package-that-provides-a-file
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```
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ dpkg -S libLLVM-6.0.so.1
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milovidov@mtlog-perftest03j:~$ dpkg -S libLLVM-6.0.so.1
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llvm-6.0-dev: /usr/lib/llvm-6.0/lib/libLLVM-6.0.so.1
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libllvm6.0:amd64: /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1
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```
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@ -1114,7 +1115,7 @@ libllvm6.0:amd64: /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1
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Wow, it's absolutely broken:
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```
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo apt remove llvm-6.0-dev
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milovidov@mtlog-perftest03j:~$ sudo apt remove llvm-6.0-dev
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Reading package lists... Done
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Building dependency tree
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Reading state information... Done
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@ -1133,7 +1134,7 @@ Removing lld-6.0 (1:6.0-1ubuntu2) ...
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Removing llvm-6.0-dev (1:6.0-1ubuntu2) ...
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Processing triggers for man-db (2.8.3-2ubuntu0.1) ...
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Processing triggers for libc-bin (2.27-3ubuntu1.4) ...
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ sudo apt install llvm-6.0-dev
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milovidov@mtlog-perftest03j:~$ sudo apt install llvm-6.0-dev
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Reading package lists... Done
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Building dependency tree
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Reading state information... Done
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@ -1153,9 +1154,9 @@ Preparing to unpack .../llvm-6.0-dev_1%3a6.0-1ubuntu2_amd64.deb ...
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Unpacking llvm-6.0-dev (1:6.0-1ubuntu2) ...
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Setting up llvm-6.0-dev (1:6.0-1ubuntu2) ...
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Processing triggers for libc-bin (2.27-3ubuntu1.4) ...
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ ls -l /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so
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milovidov@mtlog-perftest03j:~$ ls -l /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so
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lrwxrwxrwx 1 root root 16 Apr 6 2018 /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so -> libLLVM-6.0.so.1
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milovidov@mtlog-perftest03j:~/example_datasets/weather2$ ls -l /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1
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milovidov@mtlog-perftest03j:~$ ls -l /usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1
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ls: cannot access '/usr/lib/x86_64-linux-gnu/libLLVM-6.0.so.1': No such file or directory
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```
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@ -1608,7 +1609,7 @@ SELECT add_compression_policy('hits_100m_obfuscated', INTERVAL '0 seconds');
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```
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```
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milovidov@mtlog-perftest03j:~/ClickHouse/benchmark/timescaledb$ sudo -u postgres psql tutorial
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milovidov@mtlog-perftest03j:~ClickHouse/benchmark/timescaledb$ sudo -u postgres psql tutorial
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psql (13.4 (Ubuntu 13.4-4.pgdg18.04+1))
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Type "help" for help.
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@ -1636,3 +1637,12 @@ ALTER TABLE hits_100m_obfuscated
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```
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The query hanged. Maybe it's waiting for finish of previous compression?
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After several minutes it answered:
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```
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ERROR: cannot change configuration on already compressed chunks
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DETAIL: There are compressed chunks that prevent changing the existing compression configuration.
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```
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Ok, at least some of the chunks will have the proper order.
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