The issue is not seen on windows or other unix servers like centos.Compatible with macOS 10.13 High Sierra and macOS 10.12 Sierra. This was tested on OSX 10.8 and 10.9. Dec 1 14:01:09 C02SQ0PLFVH4 texstudio 17779: BUG in libdispatch client: kevent machrecv monitored resource vanished before the source cancel handler was invoked Dec 1 14:02:05 C02SQ0PLFVH4 texstudio 17786: BUG in libdispatch client: kevent machrecv monitored resource vanished before the source cancel handler was invokedUnder heavy workload mysql 5.6.16 (replicated on 5.6.13 and higher) throws connection errors "Lost connection to MySQL server at 'sending authentication information', system error: 32".
Bug In Libdispatch Client High Sierra Mac OS X
Improved debugger support in Wow64 mode. More preparation work for the GDI syscall interface. MacOS version 10.13 High Sierra on Intel-based.Better high-DPI support in builtin applications. Retrieved February 11, 2013. While the dump is being sourced other mysql client(s) trying to connect (even if it were a different user than the one running the import) you get the authentication error.Mac OS X Version 10.5 Leopard on Intel-based Macintosh computers certification. This was tested and the issue was repeatable with a simple database import through the mysql client.The database dump had around 1000 tables and 200 MB in size.
It's not even possible to shut down the database with mysqladmin in this state, since that relies on a new connection.James Kemmerer I'm running Yosemite 10.10.2 / MySQL 5.6.22We have the same symptoms as above. Currently, when this limit is hit, it's not possible to connect as root which makes it very difficult to diagnose or fix the problem. This adds a huge number of entries to the open tables cache, breaking the server pretty quickly.It would be a huge step forward if you could arrange for the client to be sent the message "server ran out of file handles" or similar, instead of the distinctly unhelpful "Lost connection to MySQL server at 'reading authorization packet', system error: 0".You might also consider keeping a couple of file handles in reserve so that it's always possible to open a connection as root. Microsoft Excel 2013 Power Query is even worse despite asking you for a database name when you connect, it continues to scan every table in every database. This access all of the tables in the default database and brings them into the open table cache.
Connect_timeout = 10 (failed, problem persists)2. Also because it is from localhost, long query times / slow connection can also be ruled out. So the high load, large query note on MySQLs page about this issue does not apply here. Connecting using MySQL Workbench fails at localhost.This machine is brand new and is NOT under any load. Connecting using tools like navigate or Sequel pro fail from localhost and 127.0.0.1.
This could not be used as a production database. As noted above if we issue "flush tables" from a remotely connected client then the web server can connect, MySQL Workbench can connect, local clients like navigate can connect.Item 3 is NOT a solution because the server will eventually fail again and "flush tables" must be reissued again.
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