>From the codebase as much I understood, if once a buffer is being
allocated, then it is not freed and added to a recyclable pool. When a new
request comes effort is made to fetch memory from recyclable pool and if is
not available new allocation request is made. And while allocating a new
request
Hi
As we know data structures like bloom filters, compression metadata, index
summary are kept off heap. But once a table gets compacted, how quickly
that memory is reclaimed by kernel.
Is it instant or it depends when reference if GCed?
Regards
Himanshu
Thanks all for the help.
But I am bit lost though because in my case top command is showing that
Cassandra process is consuming 18G (heap+nonheap + pagecache)
Free command is showing 12G as available out of 24G total.
Now my heap is 8G and off heap metrics show 1.6G ( using jmxterm) usage. So
my
, 2020 at 11:56 PM Pekka Enberg wrote:
> Hi Himanshu,
>
> On Sat, Apr 11, 2020 at 8:47 PM HImanshu Sharma
> wrote:
> > I am not worried about page cache. I want to monitor memory pressure, I
> want to check that if heap+non heap usage goes above certain level then I
>
down when required (for example: a new
> application needs it when boot up).
>
> On Sat, Apr 11, 2020 at 5:29 PM HImanshu Sharma <
> himanshusharma0...@gmail.com> wrote:
>
>> Hi
>>
>> I am observing memory usage in top command, but there in RSS it is
>> showin
for
monitoring.
On Sat, Apr 11, 2020 at 9:42 PM Nitan Kainth wrote:
> You can look at top command. There is column of memory
>
>
> Regards,
>
> Nitan
>
> Cell: 510 449 9629
>
> On Apr 11, 2020, at 11:10 AM, HImanshu Sharma <
> himanshusharma0...@gmail.com>
Upadhyay
wrote:
> It is OS page cache used during read..your os will leverage memory if not
> being used by any other applications and it improves your read performance.
>
> On Sat, Apr 11, 2020, 12:47 PM HImanshu Sharma <
> himanshusharma0...@gmail.com> wrote:
>
>> Hi
Himanshu Sharma