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Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/719')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/719 | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/719 b/gitlab/issues_text/target_missing/host_missing/accel_missing/719 deleted file mode 100644 index 66c48c6ae..000000000 --- a/gitlab/issues_text/target_missing/host_missing/accel_missing/719 +++ /dev/null @@ -1,19 +0,0 @@ -live migration's performance with compression enabled is much worse than compression disabled -Description of problem: - -Steps to reproduce: -1. Run QEMU the Guests with 1Gpbs network on source host and destination host with QEMU command line -2. Run some memory work loads on Guest, for example, ./memtester 1G 1 -3. Set migration parameters in QEMU monitor. On source and destination, - execute: #migrate_set_capability compress on - Other compression parameters are all default. -4. Run migrate command, # migrate -d tcp:10.156.208.154:4000 -5. The results: - - without compression： total time: 197366 ms throughput: 937.81 mbps transferred Ram: 22593703 kbytes - - with compression: total time: 281711 ms throughput: 90.24 mbps transferred Ram: 3102898 kbytes - -When compression is enabled, the compression transferred ram is reduced a lot. But the throughput is down badly. -The total time of live migration with compression is longer than without compression. -I tried with 100G network bandwidth, it also has the same problem. -Additional information: - |