>>> ##
>>> { 'enum': 'MigrationCapability',
>>> - 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks']
>>> }
>>> + 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
>>>+ 'compress'] }
>>>
>>
>>I'll repeat what I said on v1 (but this time, with some links to back
>> #
>> # Since: 1.2
>> ##
>> { 'enum': 'MigrationCapability',
>> - 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks']
>> }
>> + 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-blocks',
>>+ 'compress'] }
>>
>
>I'll repeat what I said on v1 (but this time, with som
On 11/23/2014 07:25 PM, Li, Liang Z wrote:
>>> # @auto-converge: If enabled, QEMU will automatically throttle down the
>>> guest
>>> # to speed up convergence of RAM migration. (since 1.6)
>>> #
>>> # Since: 1.2
>>> ##
>>> { 'enum': 'MigrationCapability',
>>> - 'data': ['xbzrle', '
> > # @auto-converge: If enabled, QEMU will automatically throttle down the
> > guest
> > # to speed up convergence of RAM migration. (since 1.6)
> > #
> > # Since: 1.2
> > ##
> > { 'enum': 'MigrationCapability',
> > - 'data': ['xbzrle', 'rdma-pin-all', 'auto-converge', 'zero-block
On 2014/11/21 16:17, ChenLiang wrote:
> On 2014/11/21 15:38, Li, Liang Z wrote:
>
+int migrate_compress_threads(void)
+{
+MigrationState *s;
+
+s = migrate_get_current();
+
+return s->compress_thread_count;
+}
+
int migrate_use_xbzrle
On 2014/11/21 16:17, ChenLiang wrote:
> On 2014/11/21 15:38, Li, Liang Z wrote:
>
+int migrate_compress_threads(void)
+{
+MigrationState *s;
+
+s = migrate_get_current();
+
+return s->compress_thread_count;
+}
+
int migrate_use_xbzrle
> hmm, multiple thread compression can't co-work with xbzrle. xbzrle need
> guarantee the cache at src is same to dest. But I dont see that below:
>
> +/* XBZRLE overflow or normal page */
> +if (bytes_sent == -1) {
> +bytes_sent = migrate_save_block_hdr(¶m->migbuf, block,
> +
On 2014/11/21 15:38, Li, Liang Z wrote:
>>> +int migrate_compress_threads(void)
>>> +{
>>> +MigrationState *s;
>>> +
>>> +s = migrate_get_current();
>>> +
>>> +return s->compress_thread_count;
>>> +}
>>> +
>>> int migrate_use_xbzrle(void)
>>> {
>>> MigrationState *s;
>>> @@ -697
> > +int migrate_compress_threads(void)
> > +{
> > +MigrationState *s;
> > +
> > +s = migrate_get_current();
> > +
> > +return s->compress_thread_count;
> > +}
> > +
> > int migrate_use_xbzrle(void)
> > {
> > MigrationState *s;
> > @@ -697,4 +795,5 @@ void migrate_fd_connect(Migr
On 2014/11/6 19:08, Li Liang wrote:
> Instead of sending the guest memory directly, this solution compress
> the ram page before sending, after receiving, the data will be
> decompressed.
> This feature can help to reduce the data transferred about
> 60%, this is very useful when the network bandw
> > +static void migrate_put_be32(MigBuf *f, unsigned int v)
> > +{
> > +migrate_put_byte(f, v >> 24);
> > +migrate_put_byte(f, v >> 16);
> > +migrate_put_byte(f, v >> 8);
> > +migrate_put_byte(f, v);
> > +}
> > +
> > +static void migrate_put_be64(MigBuf *f, uint64_t v)
> > +{
> > +
Eric Blake wrote on 2014-11-06:
Hi Eric
Thanks for your review and comment.
> On 11/06/2014 12:08 PM, Li Liang wrote:
>> Instead of sending the guest memory directly, this solution compress
>> the ram page before sending, after receiving, the data will be
>> decompressed.
>> This feature can h
* Li Liang (liang.z...@intel.com) wrote:
> Instead of sending the guest memory directly, this solution compress
> the ram page before sending, after receiving, the data will be
> decompressed.
> This feature can help to reduce the data transferred about
> 60%, this is very useful when the network b
On 11/06/2014 12:08 PM, Li Liang wrote:
> Instead of sending the guest memory directly, this solution compress
> the ram page before sending, after receiving, the data will be
> decompressed.
> This feature can help to reduce the data transferred about
> 60%, this is very useful when the network ba
Instead of sending the guest memory directly, this solution compress
the ram page before sending, after receiving, the data will be
decompressed.
This feature can help to reduce the data transferred about
60%, this is very useful when the network bandwidth is limited,
and the migration time can als
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