---> uname -a: Linux prd-queue-disttest-2c-1g-12471 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.8G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 683 5521 4 2021 7258 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:57:51:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82360sec preferred_lft 82360sec inet6 fe80::f816:3eff:fe57:51c9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-12471) 05/10/26 _x86_64_ (2 CPU) 02:48:42 LINUX RESTART (2 CPU) 02:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:11 2.24 0.03 2.13 0.08 1.71 562.36 1.25 03:10:11 1.86 0.26 1.58 0.03 31.63 74.41 0.87 03:20:11 1.26 0.00 1.24 0.02 0.01 14.99 1.09 03:30:11 1.38 0.00 1.35 0.03 0.00 16.73 1.48 03:40:11 1.27 0.00 1.25 0.02 0.00 15.47 1.20 03:50:11 1.21 0.00 1.19 0.02 0.00 14.61 1.20 Average: 1.54 0.05 1.46 0.03 5.56 116.43 1.18 02:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:11 5787396 7513840 277064 3.41 61748 1844868 531116 5.78 459880 1623960 220 03:10:11 5744092 7497248 293260 3.61 62064 1871016 530996 5.78 468928 1641464 192 03:20:11 5743392 7497056 293440 3.61 62260 1871336 530996 5.78 468928 1641972 216 03:30:11 5752528 7506724 283756 3.49 62428 1871672 531060 5.78 469064 1642480 272 03:40:11 5751604 7506324 284120 3.49 62612 1872004 531060 5.78 468972 1642996 168 03:50:11 5750164 7505508 284924 3.50 62780 1872452 531068 5.78 469232 1643488 176 Average: 5754863 7504450 286094 3.52 62315 1867225 531049 5.78 467501 1639393 207 02:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:11 ens3 2.54 0.28 0.55 0.21 0.00 0.00 0.00 0.00 03:10:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:11 ens3 1.66 0.25 3.23 0.03 0.00 0.00 0.00 0.00 03:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:11 ens3 1.22 0.04 8.67 0.01 0.00 0.00 0.00 0.00 03:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:11 ens3 0.69 0.11 0.12 0.06 0.00 0.00 0.00 0.00 03:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:11 ens3 0.93 0.05 1.02 0.03 0.00 0.00 0.00 0.00 03:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:11 ens3 0.57 0.03 0.07 0.01 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.27 0.13 2.28 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-12471) 05/10/26 _x86_64_ (2 CPU) 02:48:42 LINUX RESTART (2 CPU) 02:50:11 CPU %user %nice %system %iowait %steal %idle 03:00:11 all 0.31 0.00 0.19 0.02 0.03 99.45 03:00:11 0 0.32 0.00 0.19 0.01 0.03 99.45 03:00:11 1 0.30 0.00 0.18 0.03 0.03 99.45 03:10:11 all 0.38 0.00 0.10 0.02 0.03 99.48 03:10:11 0 0.27 0.00 0.08 0.03 0.03 99.59 03:10:11 1 0.49 0.00 0.12 0.01 0.03 99.36 03:20:11 all 0.24 0.00 0.09 0.04 0.09 99.54 03:20:11 0 0.31 0.00 0.08 0.07 0.02 99.52 03:20:11 1 0.17 0.00 0.10 0.01 0.16 99.57 03:30:11 all 0.26 0.00 0.17 0.01 0.03 99.54 03:30:11 0 0.15 0.00 0.18 0.00 0.03 99.63 03:30:11 1 0.36 0.00 0.16 0.01 0.03 99.45 03:40:11 all 0.21 0.00 0.08 0.01 0.02 99.68 03:40:11 0 0.25 0.00 0.07 0.01 0.02 99.66 03:40:11 1 0.17 0.00 0.08 0.01 0.03 99.71 03:50:11 all 0.25 0.00 0.06 0.01 0.03 99.66 03:50:11 0 0.04 0.00 0.08 0.01 0.04 99.83 03:50:11 1 0.46 0.00 0.04 0.01 0.02 99.48 Average: all 0.27 0.00 0.11 0.02 0.04 99.56 Average: 0 0.22 0.00 0.11 0.02 0.03 99.61 Average: 1 0.32 0.00 0.11 0.01 0.05 99.50