Snapshot not working

Managed backups are not working and ending: Other kind of backup issue.

I am getting an issue with other plugin (this is disabled at the moment), that is filling the logs with a memcached error:

I already added the Snapshot constants to the wp-config.php and increase the memory limit. What can I do more?

  • Adam Czajczyk

    Hello JazzyDan,

    I hope you're well today and thank you for your question!

    I checked the chat and your site and I think the S3 memcache.so error mentioned there might be related here. Memcached is an object cache and it can be configured to help with caching/serving both static files and db queires. While I do not know how it's set up in this case, if it fails, it might affect backup process anyway. I'm not saying that this is a problem though, just that it might be :slight_smile:

    I would like you to perform another test: you have been given a set of define lines to be added to the "wp-config.php" files and you have added them there. Please edit the "wp-config.php" file and make sure that out of that block

    // Snapshot settings - start
    define('SNAPSHOT_FILESET_CHUNK_SIZE', 10);
    define('SNAPSHOT_TABLESET_CHUNK_SIZE', 50);
    define('SNAPSHOT_FILESET_USE_PRECACHE', true);
    define('SNAPSHOT_FILESET_LARGE_FILE_SIZE', 104857600);
    define('SNAPSHOT_IGNORE_SYMLINKS',true);
    define('SNAPSHOT_FORCE_ZIP_LIBRARY', 'pclzip');
    define('SNAPSHOT_ATTEMPT_SYSTEM_BACKUP', true);
    // Snapshot settings - end

    only these lines are left in "wp-config.php":

    // Snapshot settings - start
    define('SNAPSHOT_FILESET_CHUNK_SIZE', 10);
    define('SNAPSHOT_TABLESET_CHUNK_SIZE', 50);
    define('SNAPSHOT_FILESET_LARGE_FILE_SIZE', 104857600);
    define('SNAPSHOT_IGNORE_SYMLINKS',true);
    // Snapshot settings - end

    Make also sure that WP debugging is still enabled so these lines are there as well:

    define('WP_DEBUG', true);
    define('WP_DEBUG_DISPLAY', false);
    define('WP_DEBUG_LOG', true);

    Then try to run managed backup again and see if it works. If it fails, please download the "debug.log" and "error.log" again and share them with me here (you will need to change file extensions to .txt first).

    If that doesn't change anything, a full conflict test will be necessary as described on this flowchart: https://premium.wpmudev.org/wp-content/uploads/2015/09/Support-Process-Support-Process.gif

    If you go through these steps the might reveal what is causing the issue. If that still doesn't suggest the reason for the problem (doesn't indicate any conflict), I think the next step would be to get in touch either with the host or with the person/company that's doing server/host management for you and ask them to sort out that memcache.so error - that seems to be related to PHP configuration and might mean that PHP must be recompiled or at least reconfigured on a server.

    If that still doesn't solve the problem as well, I'll need to investigate it closer so let me know please and I'll provide you with a secure way to send me full access (FTP) credentials to the site so I could check it.

    Kind regards,
    Adam

  • Predrag Dubajic

    Hi Dan,

    Thanks for the logs, I checked them and it seems that memory is still being limited to around 500 MB even though your wp-config file has it defined to larger value.

    I see that this is clients site so you didn't share the FTP login in chat but this would really help us to check your configuration and see how the Snapshot behaves when different values are defined.

    Is it possible to create a temp FTP account for us so we can do this and investigate the issue further?
    basically we only need to have access to wp-config.php and ability to create new info.php file so we can compare the server PHP values with the ones that you have defined.

    If that's ok you can send us your details by using our contact form https://premium.wpmudev.org/contact/#i-have-a-different-question and the template below:

    Subject: "Attn: Predrag Dubajic"
    - FTP Host
    - FTP Username
    - FTP Password
    - Link back to this thread for reference
    - Any other relevant urls/info

    Best regards,
    Predrag

  • Adam Czajczyk

    Hi @dan30854!

    Yes, these errors are indeed a bit "mysterious" because they seem to indicate that WP is for some reason trying to use "mysql" to connect to MySQL database, while with modern PHP it should be "mysqli" PHP extension.

    Basically, the WordPress should be able to "adjust itself" to use correct one, depending on what PHP version is powering the server, unless there's some really outdated WP version used. Other option might be some plugin or some code on the site "forcing" it. Or something that I'm totally missing :slight_frown:

    Can you please double-check what is the PHP version currently enabled on site and if absolutely all plugins and the theme are up to date? It would be also good to ask host about:

    - current version of MySQL db on server
    - connections/query limits on the database (please note: hosts often say they are "unlimited" but technically speaking there's always "some" limit, it might just take a bit more "pushing" to get host to openly tell you what that is)

    Looking forward to you response,
    Adam

  • JazzyDan

    just got the following from the host, so it seems you are both on the same page....

    The reason you see the error messages is because you are using mysql_connect function (which is depricated) instead of mysqli.

    An as for the rest of warnings it seems that you are missing file named wp-db.php in the "wp-includes" folder that the app is trying to execute.

    Kind regards,

    any ideas how I fix these?
    Thanks again

  • Predrag Dubajic

    Hi Dan,

    About this first part:

    The reason you see the error messages is because you are using mysql_connect function (which is depricated) instead of mysqli.

    mysql_connect function is in the code because of backwards compatibility, but it's not being used if PHP version is 5.3.0 or newer, in that case it uses mysqli.

    An as for the rest of warnings it seems that you are missing file named wp-db.php in the "wp-includes" folder that the app is trying to execute.

    This part is strange, wp-db.php is a default WP file and should be there by default.
    Can you access your installation files and check if there's wp-db.php inside wp-includes folder?
    If not then there might be something wrong with your installation and it might require re-installing it, but let us know first if it's there or not so we know how to proceed.

    Best regards,
    Predrag

  • Predrag Dubajic

    Hi Dan,

    Snapshot doesn't have any limitations on it's own, basically it will backup any size as long as the server can handle number of requests and it has enough free space in order to store that new backup.

    We could try tweaking the Snapshot settings again for this new server but in order to do this we would need your new login to your site, and grant admin permissions on the wpmu account that you have provided to us earlier.

    Could you send us your FTP login as mentioned here https://premium.wpmudev.org/forums/topic/snapshot-not-working-12#post-1305143 and we will have a closer look at this.

    Best regards,
    Predrag

  • JazzyDan

    getting this error now....

    Error log gives me this....

    [26-Mar-2018 11:22:53 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:22:59 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:04 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:05 UTC] $size -> 832739
    [26-Mar-2018 11:23:09 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:14 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:15 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:15 UTC] $size -> 1606172
    [26-Mar-2018 11:23:19 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:24 UTC] $size -> 2061924
    [26-Mar-2018 11:23:25 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:27 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:30 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:31 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:32 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:33 UTC] $size -> 3873467
    [26-Mar-2018 11:23:34 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:38 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:39 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:43 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:44 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:49 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:53 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:23:58 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:04 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:05 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:09 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:14 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:20 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:20 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:24 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:25 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:29 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:30 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:34 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:40 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:45 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:50 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:55 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:55 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:56 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:24:57 UTC] $size -> 936103
    [26-Mar-2018 11:25:01 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:06 UTC] $size -> 210529
    [26-Mar-2018 11:25:08 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:13 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:13 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:19 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:23 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:23 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:28 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:29 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:29 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:29 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:35 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:35 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:39 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:40 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:41 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:42 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:45 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:47 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:52 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:55 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:57 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:25:59 UTC] $size -> 13325935
    [26-Mar-2018 11:26:03 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:08 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:11 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:13 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:13 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:18 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:19 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:23 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:28 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:32 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:37 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:39 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:42 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:46 UTC] PHP Fatal error: Allowed memory size of 536870912 bytes exhausted (tried to allocate 20971864 bytes) in /home/isotonikstudios/public_html/wp-content/plugins/snapshot/lib/Snapshot/Model/Database/Backup.php on line 209
    [26-Mar-2018 11:26:47 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:26:53 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:00 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:02 UTC] $size -> 9452741
    [26-Mar-2018 11:27:07 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:13 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:18 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:24 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:24 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:28 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:33 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:37 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:42 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:47 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:53 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:27:57 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:28:02 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729
    [26-Mar-2018 11:28:07 UTC] PHP Notice: ob_end_flush(): failed to send buffer of zlib output compression (0) in /home/isotonikstudios/public_html/wp-includes/functions.php on line 3729

  • Predrag Dubajic

    Hi Dan,

    Ok, most of those are notices and those shouldn't be affecting the functionality in any way, however there is a fatal error in there that happens during the backup process and it's related to memory limit being exhausted.

    Can you try increasing your memory limit by adding below code in your wp-config.php just above /* That's all, stop editing! Happy blogging. */ line:
    define('WP_MEMORY_LIMIT', '1024M');

    Let us know how it goes after that.

    Best regards,
    Predrag

  • Predrag Dubajic

    Hi Dan,

    Ok, so that's where the issue is with the memory limit, even though you have it set to 2048M the master value is still at 32M which is really low.

    Can you try adding this line of code in your wp-config.php as well:
    ini_set('memory_limit','1024M');
    That also needs to be added above /* That's all, stop editing! Happy blogging. */ line.

    After that check your master value again and if it's properly increased run a new backup and see if it works now.

    Let us know how it goes.

    Best regards,
    Predrag

  • Adam Czajczyk

    Hello JazzyDan

    I think in this case we'll need to include our developers in the case. They'll need to check this particular setup so could you please provide us with direct access to it? To do this, please send in:

    Subject: "Attn: Adam Czajczyk"

    - Mark to my attention, the subject line should contain only: ATTN: Adam Czajczyk
    - Do not include anything else in the subject line, doing so may delay our response due to how email filtering works.
    - Link back to this thread
    - login URL and admin account login credentials (may be a temporary admin account) data
    - Include FTP log-in details (hostname, username & password)
    - Include hosting control panel access details (login address, username & password) - cPanel's usually the control panel used for this, but your provider may use something else; I'll need this for accessing your site's database, preferably via phpMyAdmin
    - Include any relevant URLs for your site

    Please use our contact form here https://premium.wpmudev.org/contact/#i-have-a-different-question

    I'll then pass that to the developers, asking them to lend us a helping hand on this.

    Kind regards,
    Adam

  • Predrag Dubajic

    Hi Dan,

    Thanks for sending those in, we did some further adjustments on the way that Snapshot works and we have switched the backup process to go through system backup rather than regular way via PHP.
    This process is significantly faster but not all hosts support it, in your case it did work and I was able to create a backup of your entire site now.

    Can you check it out and see if it works fine for you as well?

    P.S. This was enabled by adding below line in your wp-config.php file:
    define('SNAPSHOT_ATTEMPT_SYSTEM_BACKUP', true);

    Best regards,
    Predrag

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