---> uname -a: Linux prd-queue-disttest-2c-1g-60941 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 7.9G 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 721 5399 4 2109 7220 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:6b:03:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82284sec preferred_lft 82284sec inet6 fe80::f816:3eff:fe6b:3a0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-60941) 10/01/26 _x86_64_ (2 CPU) 00:34:48 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:00 1.21 0.02 1.18 0.00 1.20 15.09 0.15 01:00:20 2.56 0.01 2.32 0.24 0.05 141.03 606.28 01:10:00 17.85 0.34 2.91 14.60 44.73 191.06 111066.89 01:20:00 1.40 0.00 1.38 0.01 0.01 42.40 1.13 01:30:20 1.41 0.00 1.39 0.01 0.00 17.25 0.84 01:40:20 1.18 0.00 1.18 0.01 0.00 14.57 0.44 Average: 4.17 0.06 1.72 2.39 7.38 69.67 17899.56 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:00 5684848 7493440 292112 3.59 63112 1922752 541700 5.90 458976 1702044 172 01:00:20 5679852 7498228 286824 3.53 65024 1930424 539740 5.88 459052 1711632 204 01:10:00 5616092 7476088 308024 3.79 67180 1969360 744544 8.11 479804 1742608 8016 01:20:00 5630328 7490940 293160 3.60 67352 1969808 744544 8.11 479728 1743104 172 01:30:20 5621212 7482332 301676 3.71 67520 1970140 744552 8.11 479824 1743604 184 01:40:20 5627320 7488924 295072 3.63 67696 1970460 744620 8.11 480096 1744088 192 Average: 5643275 7488325 296145 3.64 66314 1955491 676617 7.37 472913 1731180 1490 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 1.54 0.19 0.47 0.13 0.00 0.00 0.00 0.00 01:00:20 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 1.23 0.60 0.60 0.37 0.00 0.00 0.00 0.00 01:10:00 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 4.86 1.52 5.16 0.85 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 4.15 0.18 0.68 0.16 0.00 0.00 0.00 0.00 01:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:20 ens3 1.52 0.10 0.23 0.08 0.00 0.00 0.00 0.00 01:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:20 ens3 1.01 0.13 0.25 0.12 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.36 0.44 1.20 0.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-60941) 10/01/26 _x86_64_ (2 CPU) 00:34:48 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:00 all 0.30 0.00 0.09 0.02 0.00 99.59 00:50:00 0 0.24 0.00 0.10 0.00 0.01 99.65 00:50:00 1 0.35 0.00 0.08 0.04 0.00 99.53 01:00:20 all 1.01 0.00 0.25 0.04 0.00 98.70 01:00:20 0 0.43 0.00 0.20 0.01 0.00 99.36 01:00:20 1 1.59 0.00 0.30 0.07 0.00 98.04 01:10:00 all 1.94 0.00 0.34 0.11 0.00 97.61 01:10:00 0 3.28 0.00 0.36 0.07 0.00 96.29 01:10:00 1 0.60 0.00 0.31 0.15 0.00 98.94 01:20:00 all 0.24 0.00 0.08 0.01 0.00 99.67 01:20:00 0 0.13 0.00 0.09 0.00 0.00 99.78 01:20:00 1 0.34 0.00 0.08 0.02 0.00 99.55 01:30:20 all 0.28 0.00 0.15 0.01 0.00 99.55 01:30:20 0 0.08 0.00 0.17 0.01 0.00 99.73 01:30:20 1 0.49 0.00 0.12 0.01 0.00 99.37 01:40:20 all 0.25 0.00 0.07 0.01 0.00 99.66 01:40:20 0 0.05 0.00 0.10 0.01 0.00 99.85 01:40:20 1 0.46 0.00 0.05 0.01 0.00 99.48 Average: all 0.66 0.00 0.16 0.03 0.00 99.14 Average: 0 0.68 0.00 0.17 0.01 0.00 99.13 Average: 1 0.64 0.00 0.16 0.05 0.00 99.15