---> uname -a: Linux prd-queue-disttest-2c-1g-8916 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 703 5447 4 2083 7238 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:6d:f1:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82303sec preferred_lft 82303sec inet6 fe80::f816:3eff:fe6d:f16c/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-8916) 04/28/26 _x86_64_ (2 CPU) 02:48:41 LINUX RESTART (2 CPU) 02:50:29 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:02 1.50 0.03 1.46 0.02 1.30 23.57 0.36 03:10:01 1.24 0.01 1.22 0.01 0.05 15.26 0.72 03:20:02 15.50 13.51 1.91 0.07 150.41 43.69 431.80 03:30:02 1.38 0.00 1.35 0.02 0.00 17.12 0.23 03:40:01 1.78 0.32 1.45 0.01 39.08 73.00 0.20 03:50:02 1.32 0.00 1.31 0.01 1.05 15.94 0.05 Average: 3.81 2.33 1.45 0.02 32.25 31.48 72.90 02:50:29 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:02 5772308 7495424 295460 3.63 61596 1841760 535844 5.84 472112 1619632 236 03:10:01 5772308 7495952 294776 3.62 61796 1842088 535844 5.84 472204 1620160 248 03:20:02 5708976 7489232 292576 3.60 65564 1886712 535932 5.84 472856 1667944 196 03:30:02 5717948 7498692 283084 3.48 65700 1887036 536080 5.84 473008 1668404 164 03:40:01 5665132 7474868 306332 3.77 66008 1915348 738712 8.05 490072 1685956 280 03:50:02 5665836 7476504 304736 3.75 66168 1916108 536080 5.84 484640 1686440 224 Average: 5717085 7488445 296161 3.64 64472 1881509 569749 6.21 477482 1658089 225 02:50:29 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 2.85 0.21 0.52 0.16 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 1.07 0.03 0.10 0.01 0.00 0.00 0.00 0.00 03:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 0.69 0.04 0.08 0.01 0.00 0.00 0.00 0.00 03:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:02 ens3 0.67 0.09 0.12 0.05 0.00 0.00 0.00 0.00 03:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.88 0.25 3.18 0.05 0.00 0.00 0.00 0.00 03:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:02 ens3 0.48 0.03 0.06 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 1.09 0.11 0.68 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8916) 04/28/26 _x86_64_ (2 CPU) 02:48:41 LINUX RESTART (2 CPU) 02:50:29 CPU %user %nice %system %iowait %steal %idle 03:00:02 all 0.33 0.00 0.17 0.02 0.03 99.45 03:00:02 0 0.54 0.00 0.14 0.02 0.02 99.28 03:00:02 1 0.12 0.00 0.20 0.02 0.04 99.62 03:10:01 all 0.29 0.00 0.07 0.04 0.02 99.58 03:10:01 0 0.23 0.00 0.07 0.07 0.02 99.61 03:10:01 1 0.35 0.00 0.08 0.01 0.03 99.54 03:20:02 all 0.23 0.19 0.14 0.15 0.03 99.26 03:20:02 0 0.40 0.01 0.05 0.01 0.02 99.51 03:20:02 1 0.06 0.37 0.22 0.30 0.04 99.01 03:30:02 all 0.27 0.00 0.16 0.01 0.02 99.54 03:30:02 0 0.23 0.00 0.16 0.02 0.02 99.57 03:30:02 1 0.31 0.00 0.16 0.01 0.02 99.50 03:40:01 all 0.36 0.00 0.10 0.02 0.03 99.49 03:40:01 0 0.28 0.00 0.13 0.03 0.03 99.53 03:40:01 1 0.45 0.00 0.06 0.01 0.02 99.46 03:50:02 all 0.23 0.00 0.07 0.01 0.03 99.66 03:50:02 0 0.05 0.00 0.08 0.01 0.04 99.82 03:50:02 1 0.41 0.00 0.07 0.00 0.02 99.50 Average: all 0.28 0.03 0.12 0.04 0.03 99.50 Average: 0 0.29 0.00 0.10 0.03 0.02 99.56 Average: 1 0.28 0.06 0.13 0.06 0.03 99.44