---> uname -a: Linux prd-queue-disttest-2c-1g-19138 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 702 5426 4 2101 7239 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:73:53:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82307sec preferred_lft 82307sec inet6 fe80::f816:3eff:fe73:535b/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-19138) 05/23/26 _x86_64_ (2 CPU) 00:33:37 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 0.86 0.01 0.85 0.00 0.05 11.66 0.24 01:00:07 1.02 0.00 1.00 0.02 0.00 13.80 0.22 01:10:07 0.91 0.01 0.89 0.00 0.60 12.17 0.16 01:20:00 14.00 0.01 0.91 13.08 0.16 12.46 108866.39 01:30:07 1.02 0.00 1.00 0.02 0.00 14.72 0.34 01:40:07 1.47 0.26 1.18 0.02 32.04 72.09 0.28 Average: 3.18 0.05 0.97 2.16 5.47 22.81 17896.86 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 5694036 7505180 281852 3.47 63260 1924716 540740 5.89 474688 1697512 128 01:00:07 5691540 7503192 283824 3.49 63424 1925048 540772 5.89 474848 1698008 40 01:10:07 5681896 7494200 292860 3.60 63564 1925560 540772 5.89 475028 1698540 144 01:20:00 5695844 7508628 278180 3.42 63676 1925928 540936 5.89 475320 1698992 44 01:30:07 5685072 7498352 288444 3.55 63828 1926264 540936 5.89 475188 1699480 148 01:40:07 5658988 7499388 287156 3.53 64140 1952816 541008 5.89 484832 1717140 120 Average: 5684563 7501490 285386 3.51 63649 1930055 540861 5.89 476651 1701612 104 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 1.12 0.09 0.16 0.06 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.69 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.50 0.09 2.43 0.04 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 0.87 0.11 1.20 0.10 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.33 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.66 0.28 3.25 0.09 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 0.69 0.11 1.20 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-19138) 05/23/26 _x86_64_ (2 CPU) 00:33:37 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.26 0.00 0.08 0.00 0.02 99.64 00:50:02 0 0.48 0.00 0.07 0.01 0.01 99.44 00:50:02 1 0.05 0.00 0.08 0.00 0.02 99.84 01:00:07 all 0.26 0.00 0.18 0.01 0.02 99.54 01:00:07 0 0.35 0.00 0.15 0.01 0.01 99.48 01:00:07 1 0.17 0.00 0.21 0.00 0.02 99.60 01:10:07 all 0.27 0.00 0.07 0.01 0.02 99.64 01:10:07 0 0.21 0.00 0.07 0.01 0.02 99.70 01:10:07 1 0.32 0.00 0.08 0.00 0.02 99.57 01:20:00 all 0.28 0.00 0.07 0.03 0.02 99.60 01:20:00 0 0.49 0.00 0.05 0.01 0.02 99.44 01:20:00 1 0.07 0.00 0.09 0.05 0.02 99.76 01:30:07 all 0.25 0.00 0.17 0.05 0.06 99.47 01:30:07 0 0.28 0.00 0.15 0.09 0.02 99.47 01:30:07 1 0.22 0.00 0.19 0.01 0.11 99.47 01:40:07 all 0.34 0.00 0.11 0.02 0.02 99.52 01:40:07 0 0.39 0.00 0.09 0.01 0.01 99.50 01:40:07 1 0.28 0.00 0.13 0.02 0.02 99.55 Average: all 0.28 0.00 0.11 0.02 0.03 99.57 Average: 0 0.37 0.00 0.09 0.02 0.01 99.50 Average: 1 0.19 0.00 0.13 0.01 0.04 99.63