---> uname -a: Linux prd-queue-disttest-2c-1g-8738 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 707 5424 4 2098 7234 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:fe:37:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80755sec preferred_lft 80755sec inet6 fe80::f816:3eff:fefe:377c/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-8738) 09/17/26 _x86_64_ (2 CPU) 00:33:01 LINUX RESTART (2 CPU) 00:40:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:39 1.30 0.01 1.29 0.00 0.05 16.06 0.23 01:00:01 2.75 0.00 2.49 0.26 0.00 154.09 680.78 01:10:29 7.35 0.42 5.58 1.36 35.28 422.21 4827.38 01:20:39 1.83 0.32 1.48 0.02 42.40 103.62 2.26 01:30:01 1.39 0.00 1.36 0.03 0.00 17.04 3.83 01:40:29 1.21 0.00 1.19 0.02 0.00 14.63 2.16 01:50:29 14.92 0.00 1.36 13.55 0.15 16.32 107384.32 02:00:01 1.40 0.00 1.37 0.03 0.00 16.90 46.42 Average: 4.06 0.10 2.04 1.93 10.10 97.13 14244.78 00:40:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:39 5687232 7490200 295032 3.63 63072 1917224 534024 5.82 463396 1696496 152 01:00:01 5680916 7493572 291408 3.58 65008 1924780 535228 5.83 464512 1705996 240 01:10:29 5665424 7478944 303296 3.73 72556 1915812 536872 5.85 472932 1697992 212 01:20:39 5607824 7461228 320152 3.94 72988 1954784 730420 7.96 491484 1727184 164 01:30:01 5614452 7468320 312980 3.85 73136 1955080 730420 7.96 491312 1727628 240 01:40:29 5614200 7468620 312668 3.84 73320 1955440 730484 7.96 491380 1728172 224 01:50:29 5614200 7469144 312164 3.84 73464 1955816 730484 7.96 491416 1728660 140 02:00:01 5621804 7477192 304060 3.74 73596 1956104 730484 7.96 491464 1729084 240 Average: 5638256 7475902 306470 3.77 70892 1941880 657302 7.16 482237 1717652 202 00:40:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:39 ens3 0.84 0.09 0.13 0.05 0.00 0.00 0.00 0.00 01:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.31 0.66 0.76 0.42 0.00 0.00 0.00 0.00 01:10:29 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:10:29 ens3 10.85 6.38 29.38 2.02 0.00 0.00 0.00 0.00 01:20:39 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:39 ens3 1.07 0.30 3.35 0.07 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.49 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:40:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:29 ens3 0.52 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:29 ens3 0.19 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.34 0.07 0.07 0.04 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.02 1.00 4.44 0.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-8738) 09/17/26 _x86_64_ (2 CPU) 00:33:01 LINUX RESTART (2 CPU) 00:40:36 CPU %user %nice %system %iowait %steal %idle 00:50:39 all 0.27 0.00 0.14 0.01 0.01 99.57 00:50:39 0 0.08 0.00 0.17 0.00 0.01 99.73 00:50:39 1 0.46 0.00 0.11 0.01 0.01 99.42 01:00:01 all 1.15 0.00 0.30 0.03 0.01 98.51 01:00:01 0 1.90 0.00 0.32 0.03 0.01 97.74 01:00:01 1 0.40 0.00 0.29 0.02 0.01 99.28 01:10:29 all 4.75 0.00 0.68 0.38 0.02 94.17 01:10:29 0 4.76 0.00 0.59 0.57 0.02 94.06 01:10:29 1 4.73 0.00 0.77 0.19 0.02 94.29 01:20:39 all 0.37 0.00 0.15 0.02 0.01 99.44 01:20:39 0 0.42 0.00 0.10 0.00 0.00 99.48 01:20:39 1 0.33 0.00 0.21 0.04 0.01 99.41 01:30:01 all 0.28 0.00 0.19 0.01 0.00 99.52 01:30:01 0 0.28 0.00 0.16 0.01 0.00 99.54 01:30:01 1 0.27 0.00 0.21 0.00 0.01 99.51 01:40:29 all 0.26 0.00 0.09 0.01 0.00 99.64 01:40:29 0 0.36 0.00 0.07 0.01 0.00 99.56 01:40:29 1 0.15 0.00 0.11 0.01 0.00 99.72 01:50:29 all 0.26 0.00 0.12 0.04 0.01 99.58 01:50:29 0 0.06 0.00 0.15 0.06 0.01 99.72 01:50:29 1 0.45 0.00 0.08 0.02 0.01 99.45 02:00:01 all 0.27 0.00 0.21 0.01 0.01 99.50 02:00:01 0 0.40 0.00 0.21 0.00 0.01 99.38 02:00:01 1 0.15 0.00 0.21 0.02 0.01 99.62 Average: all 0.98 0.00 0.24 0.06 0.01 98.72 Average: 0 1.05 0.00 0.22 0.09 0.01 98.63 Average: 1 0.90 0.00 0.25 0.04 0.01 98.80