---> uname -a: Linux prd-queue-disttest-2c-1g-29862 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 704 5507 4 2014 7237 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:d3:6a:9a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.16/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82309sec preferred_lft 82309sec inet6 fe80::f816:3eff:fed3:6a9a/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-29862) 03/25/26 _x86_64_ (2 CPU) 00:32:19 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 1.84 0.33 1.48 0.03 40.07 72.46 1.40 01:00:02 1.49 0.02 1.43 0.05 0.60 18.83 1.64 01:10:01 1.19 0.00 1.18 0.01 0.00 14.51 0.36 01:20:02 14.17 0.00 1.29 12.87 0.16 15.78 107674.67 01:30:02 1.52 0.00 1.49 0.03 0.00 19.51 0.35 01:40:01 4.49 0.33 3.46 0.69 23.05 204.11 4177.85 Average: 4.12 0.11 1.72 2.28 10.65 57.53 18656.34 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 5742644 7491360 298732 3.67 61904 1867076 534108 5.82 470328 1634096 228 01:00:02 5737744 7487216 302876 3.72 62120 1867580 534248 5.82 470508 1634704 176 01:10:01 5745092 7495048 295036 3.63 62272 1867908 534248 5.82 470460 1635184 124 01:20:02 5745092 7495556 294484 3.62 62412 1868276 534328 5.82 470796 1635656 148 01:30:02 5749432 7500552 289444 3.56 62588 1868736 534328 5.82 470756 1636172 240 01:40:01 5631580 7397348 389964 4.80 67192 1876492 633152 6.90 570872 1644940 66548 Average: 5725264 7477847 311756 3.83 63081 1869345 550735 6.00 487287 1636792 11244 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 2.66 0.31 3.33 0.09 0.00 0.00 0.00 0.00 01:00:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.75 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.70 0.04 2.21 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.60 0.08 0.70 0.06 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.42 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.07 1.07 0.07 0.07 0.00 0.00 0.00 0.00 01:40:01 ens3 5.53 4.50 32.36 0.88 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.78 0.84 6.46 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-29862) 03/25/26 _x86_64_ (2 CPU) 00:32:19 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.35 0.00 0.11 0.02 0.02 99.50 00:50:02 0 0.34 0.00 0.11 0.02 0.02 99.51 00:50:02 1 0.36 0.00 0.10 0.02 0.03 99.50 01:00:02 all 0.28 0.00 0.17 0.01 0.02 99.51 01:00:02 0 0.09 0.00 0.19 0.01 0.03 99.68 01:00:02 1 0.47 0.00 0.16 0.00 0.02 99.35 01:10:01 all 0.27 0.00 0.06 0.01 0.02 99.64 01:10:01 0 0.05 0.00 0.09 0.01 0.03 99.82 01:10:01 1 0.49 0.00 0.03 0.00 0.01 99.47 01:20:02 all 0.21 0.00 0.09 0.03 0.02 99.65 01:20:02 0 0.05 0.00 0.11 0.06 0.03 99.76 01:20:02 1 0.37 0.00 0.06 0.01 0.02 99.55 01:30:02 all 0.26 0.00 0.17 0.01 0.02 99.55 01:30:02 0 0.08 0.00 0.19 0.01 0.03 99.70 01:30:02 1 0.43 0.00 0.15 0.01 0.02 99.39 01:40:01 all 2.31 0.00 0.32 0.09 0.03 97.26 01:40:01 0 2.67 0.00 0.38 0.12 0.03 96.80 01:40:01 1 1.95 0.00 0.25 0.07 0.02 97.71 Average: all 0.61 0.00 0.15 0.03 0.02 99.19 Average: 0 0.55 0.00 0.18 0.04 0.03 99.21 Average: 1 0.68 0.00 0.12 0.02 0.02 99.16