---> uname -a: Linux prd-queue-disttest-2c-1g-4728 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 695 5518 4 2011 7246 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:0e:7e:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.137/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82480sec preferred_lft 82480sec inet6 fe80::f816:3eff:fe0e:7eed/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-4728) 04/20/26 _x86_64_ (2 CPU) 01:48:43 LINUX RESTART (2 CPU) 01:50:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:07 1.90 0.03 1.80 0.08 1.26 348.57 3.92 02:10:01 1.18 0.01 1.18 0.00 0.05 14.31 0.12 02:20:17 1.22 0.00 1.21 0.00 0.01 14.64 0.00 02:30:17 1.43 0.00 1.40 0.03 0.00 17.79 1.35 02:40:01 14.62 0.00 1.37 13.24 0.15 16.30 110679.32 02:50:07 2.07 0.32 1.71 0.03 39.72 74.48 1.47 Average: 3.69 0.06 1.45 2.18 6.94 80.35 18022.75 01:50:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:07 5787208 7505084 285688 3.51 61648 1836696 530876 5.78 461508 1615456 76 02:10:01 5793288 7511680 278932 3.43 61836 1837028 531028 5.78 461584 1615976 156 02:20:17 5792728 7511592 279020 3.43 61988 1837348 531028 5.78 461600 1616448 124 02:30:17 5782172 7501560 289044 3.55 62180 1837688 531092 5.78 461628 1616972 192 02:40:01 5781416 7501352 289216 3.56 62352 1838056 531124 5.78 461804 1617492 160 02:50:07 5726596 7475780 314376 3.87 62684 1866648 531124 5.78 473508 1634912 168 Average: 5777235 7501175 289379 3.56 62115 1842244 531045 5.78 463605 1619543 146 01:50:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 2.52 0.14 0.42 0.10 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.00 0.04 0.11 0.01 0.00 0.00 0.00 0.00 02:20:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:17 ens3 0.45 0.02 0.06 0.01 0.00 0.00 0.00 0.00 02:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:17 ens3 0.24 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.56 0.15 0.19 0.11 0.00 0.00 0.00 0.00 02:50:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 0.40 0.22 3.05 0.03 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 0.86 0.10 0.65 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4728) 04/20/26 _x86_64_ (2 CPU) 01:48:43 LINUX RESTART (2 CPU) 01:50:17 CPU %user %nice %system %iowait %steal %idle 02:00:07 all 0.28 0.00 0.18 0.03 0.03 99.49 02:00:07 0 0.29 0.00 0.18 0.03 0.03 99.47 02:00:07 1 0.26 0.00 0.18 0.02 0.03 99.50 02:10:01 all 0.25 0.00 0.08 0.01 0.02 99.64 02:10:01 0 0.24 0.00 0.07 0.00 0.02 99.67 02:10:01 1 0.26 0.00 0.09 0.03 0.03 99.60 02:20:17 all 0.24 0.00 0.07 0.01 0.03 99.66 02:20:17 0 0.05 0.00 0.08 0.01 0.03 99.84 02:20:17 1 0.43 0.00 0.06 0.01 0.02 99.48 02:30:17 all 0.24 0.00 0.17 0.01 0.03 99.56 02:30:17 0 0.17 0.00 0.17 0.01 0.03 99.62 02:30:17 1 0.31 0.00 0.16 0.00 0.02 99.50 02:40:01 all 0.23 0.00 0.08 0.03 0.03 99.63 02:40:01 0 0.26 0.00 0.07 0.01 0.03 99.63 02:40:01 1 0.20 0.00 0.09 0.05 0.03 99.63 02:50:07 all 0.32 0.00 0.11 0.02 0.03 99.52 02:50:07 0 0.45 0.00 0.09 0.03 0.02 99.42 02:50:07 1 0.20 0.00 0.13 0.01 0.04 99.63 Average: all 0.26 0.00 0.11 0.02 0.03 99.58 Average: 0 0.24 0.00 0.11 0.01 0.03 99.61 Average: 1 0.28 0.00 0.12 0.02 0.03 99.56