Frontend IP is not opening up the website in google cloud load balancer

So, Yesterday I have setup load balancer for my WordPress instances on compute engine. I have created an instance group. In load balancer, I have reserved on static IP for my frontend as well. I am using https for my frontend. I have added the frontend IP to my DNS ‘A’ record of the domain. Its been more 24 hours, I am not being able to access my WordPress site with frontend IP or my domain name. All I am getting a 404 error page from google. I can access my website perfectly with the static IP of my VM instances. What could have possibly gone wrong?

google cloud platform – Writing a Zero Byte File Before Total File Is Written to the Mounted Bucket

I have a mounted bucket using gcsfuse version 0.28. I have a file, say 200MB or greater that I am copying over to the mounted directory/bucket. GCSFUSE first writes a zero byte file, removes it in the target directory, and then writes the full file to the directory.

When the receiving application is listening for messages on this mounted bucket, they receive the zero byte message and not the fully written file.

My question is this: if upgrading to gcsfuse 0.31, will this handle this functionality and resolve this issue or do I need to manually fix this myself and control how the app listens to and processes the incoming data on the target mounted bucket?

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Is the purpose of Google Cloud VPC Service Controls to enforce the BLP star property (no write down)?

While Google and AWS support managed firewalls and network connectivity rules to prevent an attacker from entering the network, Google also offers VPC Service Controls. Is this to prevent data exfiltration and an implementation of the BLP star property?

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Material is missing after build with Unity Cloud

when I tried to build with unity cloud materials aren’t in the build.
there is no specific shader I just used the default URP material.

enter image description here

after a while, I found the problem.
when I import new models I have to make the new material and replace it with the default material so there is no problem after the build.

but I want to know is there a better solution to this problem.

enter image description here

I also checked my unity cloud build report and there weren’t any errors related to URP or materials

Material is missing after build by Unity Cloud in URP

when I tried to build with unity cloud materials aren’t in the build.
there is no specific shader I just used the default URP material.

enter image description here

after a while, I found the problem.
when I import new models I have to make the new material and replace it with the default material so there is no problem after the build.

but I want to know is there a better solution to this problem.

enter image description here

I also checked my unity cloud build report and there weren’t any errors related to URP or materials

performance – Optimizing cloud server (php and mysql)

I am running a vBuletin forum as a hobby and I was using a shared hosting service until a couple of days ago. Because the amount of visitors grew and the forum seemed to be slower and slower every day, I tought it is time to change to a cloud server with the following specs:

4 CPU vCore
200 GB SSD-Memory
8 GB RAM
1 GB Swap

After the change I made the experience, that the forum runs even slower now and that my free memory in PLESK is always extremly low. You can see the “free memory” within the last 24 hours below in the screenshot. The peaks with free memory are caused due to a sql restart.

Free Memory

When I check the free memory within the last hours in Plesk, I can see that the memory is running always very low:

Plesk Memory within the last hours

at the same time in the server overview, I can see that there is some more memory free:

Server Memory

So I realized that I need to do 1) something with my PHP and SQL configuration and/or 2) need to upgrade the server itself. Of course I hope that I can optmize with the settings since option 2 is more expensive 🙂

Unfortunately I have no idea how to successfully optimize my server for my forum, but I already read a lot here on stack.

When I run mysqltuner I get the following results:

 ***>>  MySQLTuner 1.7.19 - Major Hayden <major@mhtx.net>
 >>  Bug reports, feature requests, and downloads at http://mysqltuner.pl/
 >>  Run with '--help' for additional options and output filtering
(--) Skipped version check for MySQLTuner script
(--) Performing tests on 127.0.0.1:3306
(OK) Currently running supported MySQL version 10.3.23-MariaDB-0+deb10u1
(OK) Operating on 64-bit architecture
-------- Log file Recommendations ------------------------------------------------------------------
(OK) Log file /var/log/mysql/error.log exists
(--) Log file: /var/log/mysql/error.log(1K)
(OK) Log file /var/log/mysql/error.log is readable.
(OK) Log file /var/log/mysql/error.log is not empty
(OK) Log file /var/log/mysql/error.log is smaller than 32 Mb
(!!) /var/log/mysql/error.log contains 8 warning(s).
(!!) /var/log/mysql/error.log contains 6 error(s).
(--) 0 start(s) detected in /var/log/mysql/error.log
(--) 0 shutdown(s) detected in /var/log/mysql/error.log
-------- Storage Engine Statistics -----------------------------------------------------------------
(--) Status: +Aria +CSV +InnoDB +MEMORY +MRG_MyISAM +MyISAM +PERFORMANCE_SCHEMA +SEQUENCE
(--) Data in InnoDB tables: 12.6G (Tables: 511)
(--) Data in MyISAM tables: 25.4M (Tables: 15)
(OK) Total fragmented tables: 0
-------- Analysis Performance Metrics --------------------------------------------------------------
(--) innodb_stats_on_metadata: OFF
(OK) No stat updates during querying INFORMATION_SCHEMA.
-------- Security Recommendations ------------------------------------------------------------------
(OK) There are no anonymous accounts for any database users
(OK) All database users have passwords assigned
(--) There are 620 basic passwords in the list.
-------- CVE Security Recommendations --------------------------------------------------------------
(OK) NO SECURITY CVE FOUND FOR YOUR VERSION
-------- Performance Metrics -----------------------------------------------------------------------
(--) Up for: 15h 21m 49s (13M q (241.731 qps), 148K conn, TX: 296G, RX: 28G)
(--) Reads / Writes: 96% / 4%
(--) Binary logging is disabled
(--) Physical Memory     : 12.0G
(--) Max MySQL memory    : 16.1G
(--) Other process memory: 0B
(--) Total buffers: 6.3G global + 66.9M per thread (151 max threads)
(--) P_S Max memory usage: 0B
(--) Galera GCache Max memory usage: 0B
(OK) Maximum reached memory usage: 9.4G (78.48% of installed RAM)
(!!) Maximum possible memory usage: 16.1G (134.57% of installed RAM)
(!!) Overall possible memory usage with other process exceeded memory
(OK) Slow queries: 0% (774/13M)
(OK) Highest usage of available connections: 31% (48/151)
(OK) Aborted connections: 0.00%  (0/148403)
(!!) name resolution is active : a reverse name resolution is made for each new connection and can reduce performance
(OK) Query cache is disabled by default due to mutex contention on multiprocessor machines.
(OK) Sorts requiring temporary tables: 0% (167 temp sorts / 393K sorts)
(!!) Joins performed without indexes: 647
(!!) Temporary tables created on disk: 54% (128K on disk / 233K total)
(OK) Thread cache hit rate: 99% (48 created / 148K connections)
(OK) Table cache hit rate: 99% (1K open / 1K opened)
(!!) table_definition_cache(400) is lower than number of tables(685)
(OK) Open file limit used: 0% (153/16K)
(OK) Table locks acquired immediately: 100% (1M immediate / 1M locks)
-------- Performance schema ------------------------------------------------------------------------
(--) Performance schema is disabled.
(--) Memory used by P_S: 0B
(--) Sys schema isn't installed.
-------- ThreadPool Metrics ------------------------------------------------------------------------
(--) ThreadPool stat is enabled.
(--) Thread Pool Size: 6 thread(s).
(--) Using default value is good enough for your version (10.3.23-MariaDB-0+deb10u1)
-------- MyISAM Metrics ----------------------------------------------------------------------------
(!!) Key buffer used: 19.2% (25M used / 134M cache)
(OK) Key buffer size / total MyISAM indexes: 128.0M/9.0M
(OK) Read Key buffer hit rate: 100.0% (315M cached / 1K reads)
(OK) Write Key buffer hit rate: 100.0% (88 cached / 88 writes)
-------- InnoDB Metrics ----------------------------------------------------------------------------
(--) InnoDB is enabled.
(--) InnoDB Thread Concurrency: 0
(OK) InnoDB File per table is activated
(!!) InnoDB buffer pool / data size: 6.0G/12.6G
(!!) Ratio InnoDB log file size / InnoDB Buffer pool size (8.33333333333333 %): 256.0M * 2/6.0G should be equal to 25%
(!!) InnoDB buffer pool instances: 8
(--) Number of InnoDB Buffer Pool Chunk : 48 for 8 Buffer Pool Instance(s)
(OK) Innodb_buffer_pool_size aligned with Innodb_buffer_pool_chunk_size & Innodb_buffer_pool_instances
(OK) InnoDB Read buffer efficiency: 100.00% (41905422167 hits/ 41906965493 total)
(OK) InnoDB Write log efficiency: 99.06% (51908272 hits/ 52400204 total)
(OK) InnoDB log waits: 0.00% (0 waits / 491932 writes)
-------- AriaDB Metrics ----------------------------------------------------------------------------
(--) AriaDB is enabled.
(OK) Aria pagecache size / total Aria indexes: 128.0M/1B
(OK) Aria pagecache hit rate: 99.9% (132M cached / 125K reads)
-------- TokuDB Metrics ----------------------------------------------------------------------------
(--) TokuDB is disabled.
-------- XtraDB Metrics ----------------------------------------------------------------------------
(--) XtraDB is disabled.
-------- Galera Metrics ----------------------------------------------------------------------------
(--) Galera is disabled.
-------- Replication Metrics -----------------------------------------------------------------------
(--) Galera Synchronous replication: NO
(--) No replication slave(s) for this server.
(--) Binlog format: MIXED
(--) XA support enabled: ON
(--) Semi synchronous replication Master: OFF
(--) Semi synchronous replication Slave: OFF
(--) This is a standalone server
-------- Recommendations ---------------------------------------------------------------------------
General recommendations:
    Control warning line(s) into /var/log/mysql/error.log file
    Control error line(s) into /var/log/mysql/error.log file
    MySQL was started within the last 24 hours - recommendations may be inaccurate
    Reduce your overall MySQL memory footprint for system stability
    Dedicate this server to your database for highest performance.
    Configure your accounts with ip or subnets only, then update your configuration with skip-name-resolve=1
    We will suggest raising the 'join_buffer_size' until JOINs not using indexes are found.
             See https://dev.mysql.com/doc/internals/en/join-buffer-size.html
             (specially the conclusions at the bottom of the page).
    When making adjustments, make tmp_table_size/max_heap_table_size equal
    Reduce your SELECT DISTINCT queries which have no LIMIT clause
    Performance schema should be activated for better diagnostics
    Consider installing Sys schema from https://github.com/mysql/mysql-sys for MySQL
    Consider installing Sys schema from https://github.com/FromDual/mariadb-sys for MariaDB
    Before changing innodb_log_file_size and/or innodb_log_files_in_group read this: https://bit.ly/2TcGgtU
Variables to adjust:
  *** MySQL's maximum memory usage is dangerously high ***
  *** Add RAM before increasing MySQL buffer variables ***
    join_buffer_size (> 256.0K, or always use indexes with JOINs)
    tmp_table_size (> 16M)
    max_heap_table_size (> 16M)
    table_definition_cache(400) > 685 or -1 (autosizing if supported)
    performance_schema = ON enable PFS
    innodb_buffer_pool_size (>= 12.6G) if possible.
    innodb_log_file_size should be (=768M) if possible, so InnoDB total log files size equals to 25% of buffer pool size.
    innodb_buffer_pool_instances(=6)***

The content of the my.cnf looks like this (edited by myself, with understanding from reading here on stack:

    *(mysqld)
sql_mode=ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION
bind-address = ::ffff:127.0.0.1
innodb_lock_wait_timeout = 600
innodb_flush_method=O_DIRECT
innodb_buffer_pool_size = 6G
innodb_log_file_size = 256M
innodb_flush_log_at_trx_commit = 2
innodb_stats_on_metadata = 0
query_cache_size=0*

The content of my php.ini is the following:

    memory_limit = 256M
max_execution_time = 1200
max_input_time = 600
post_max_sice = 64M
upload_max_filesize = 16M
opcache.enable = on

So I am looking desperately for help, tips, hints how I can optimize my server to earn some more performance for my website which is really, really slow 🙁

Have a nice day and greetings!

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