---> uname -a: Linux prd-queue-disttest-2c-1g-4684 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 5498 4 2022 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:45:f9:79 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.221/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82574sec preferred_lft 82574sec inet6 fe80::f816:3eff:fe45:f979/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4684) 04/20/26 _x86_64_ (2 CPU) 00:35:34 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:18 0.99 0.03 0.96 0.00 2.23 14.11 0.17 01:00:18 13.94 0.01 1.01 12.92 0.20 15.86 107779.03 01:10:01 0.88 0.00 0.88 0.00 0.00 12.84 0.12 01:20:01 0.83 0.00 0.83 0.00 0.01 12.31 0.00 01:30:20 1.09 0.00 1.07 0.02 0.00 16.62 0.34 Average: 3.53 0.01 0.95 2.57 0.50 14.37 21417.92 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:18 5741520 7499604 290528 3.57 61984 1876076 542472 5.91 484844 1636128 8 01:00:18 5739012 7497676 292248 3.59 62172 1876460 542472 5.91 484948 1636680 44 01:10:01 5739012 7498176 291748 3.59 62344 1876788 542632 5.91 484956 1637180 204 01:20:01 5740848 7500464 289460 3.56 62468 1877116 542632 5.91 485292 1637632 52 01:30:20 5738308 7498420 291448 3.58 62624 1877456 597812 6.51 490264 1638124 8 Average: 5739740 7498868 291086 3.58 62318 1876779 553604 6.03 486061 1637149 63 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:18 ens3 3.16 0.19 0.56 0.18 0.00 0.00 0.00 0.00 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.83 0.06 0.10 0.04 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 0.46 0.09 0.09 0.04 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.44 0.09 0.11 0.06 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 0.32 0.05 0.07 0.03 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 1.05 0.10 0.19 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4684) 04/20/26 _x86_64_ (2 CPU) 00:35:34 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:18 all 0.27 0.00 0.08 0.01 0.03 99.61 00:50:18 0 0.14 0.00 0.09 0.02 0.03 99.73 00:50:18 1 0.40 0.00 0.07 0.01 0.03 99.49 01:00:18 all 0.27 0.00 0.18 0.03 0.03 99.49 01:00:18 0 0.08 0.00 0.19 0.01 0.04 99.69 01:00:18 1 0.47 0.00 0.18 0.04 0.03 99.29 01:10:01 all 0.23 0.00 0.07 0.01 0.03 99.67 01:10:01 0 0.04 0.00 0.09 0.00 0.03 99.83 01:10:01 1 0.42 0.00 0.04 0.01 0.03 99.50 01:20:01 all 0.25 0.00 0.07 0.01 0.03 99.65 01:20:01 0 0.06 0.00 0.10 0.01 0.04 99.80 01:20:01 1 0.44 0.00 0.04 0.01 0.02 99.49 01:30:20 all 0.25 0.00 0.17 0.01 0.03 99.54 01:30:20 0 0.17 0.00 0.18 0.01 0.04 99.60 01:30:20 1 0.33 0.00 0.15 0.00 0.02 99.49 Average: all 0.26 0.00 0.11 0.01 0.03 99.59 Average: 0 0.10 0.00 0.13 0.01 0.03 99.73 Average: 1 0.41 0.00 0.10 0.01 0.02 99.45