iostat and microseconds
Solaris 11.4 got a small extension to the iostat command. In a time when storage gets faster and faster, you may end up in a situation where the wsvc_t and...
Performance
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Posts
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gcore with less impact
This isn't an everyday tool, however for diagnosing problems gcore is one of the important tools in your toolbox. With gcore you can create a core image of...
Limits revisited
There were more limits changed in regard to open files as well. The change took place in SRU27. * rlim_fd_cur has been increased from 256 pre-SRU27 to 4095...
Solaris 11.4 and user_reserve_hint_pct
A long time ago, I wrote about the /etc/system parameter user_reserve_hint_pct . It limits the size of the ZFS ARC cache by proxy by essentially limiting the...
vHBA and AIO
In Oracle Solaris 11.4 SRU30 there was an important change with LDOMS you should be aware of as you probably have to do an administrative step to get best...