---> uname -a: Linux prd-queue-disttest-2c-1g-34986 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 711 5422 4 2095 7230 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:43:d0:8f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82578sec preferred_lft 82578sec inet6 fe80::f816:3eff:fe43:d08f/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-34986) 07/12/26 _x86_64_ (2 CPU) 00:32:13 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:14 1.27 0.01 1.27 0.00 0.05 14.96 0.12 01:00:00 1.36 0.00 1.34 0.02 0.00 17.25 0.23 01:10:00 14.67 0.26 1.45 12.96 31.13 74.94 107536.21 01:20:00 1.23 0.00 1.22 0.02 0.01 14.91 1.09 01:30:00 1.46 0.00 1.43 0.03 0.00 17.71 0.53 Average: 4.00 0.05 1.34 2.61 6.24 27.95 21517.03 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:14 5693780 7504828 280756 3.45 63548 1923972 525140 5.72 466560 1704152 148 01:00:00 5688288 7499840 285692 3.51 63712 1924304 525340 5.72 466680 1704648 124 01:10:00 5633540 7472148 313004 3.85 64020 1950836 724672 7.89 481120 1722696 148 01:20:00 5640596 7479728 305408 3.76 64216 1951164 724672 7.89 481560 1723212 132 01:30:00 5638556 7478340 306816 3.77 64372 1951628 724672 7.89 481352 1723712 120 Average: 5658952 7486977 298335 3.67 63974 1940381 644899 7.02 475454 1715684 134 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:14 ens3 1.41 0.13 0.24 0.09 0.00 0.00 0.00 0.00 01:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.47 0.04 0.08 0.03 0.00 0.00 0.00 0.00 01:10:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.92 0.23 7.44 0.05 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 0.86 0.08 0.83 0.06 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.37 0.04 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 0.81 0.11 1.74 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-34986) 07/12/26 _x86_64_ (2 CPU) 00:32:13 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:14 all 0.23 0.00 0.08 0.01 0.03 99.66 00:50:14 0 0.37 0.00 0.06 0.00 0.02 99.55 00:50:14 1 0.09 0.00 0.11 0.01 0.03 99.77 01:00:00 all 0.27 0.00 0.16 0.01 0.03 99.54 01:00:00 0 0.17 0.00 0.16 0.00 0.03 99.64 01:00:00 1 0.37 0.00 0.16 0.01 0.03 99.43 01:10:00 all 0.37 0.00 0.11 0.04 0.03 99.46 01:10:00 0 0.46 0.00 0.12 0.04 0.03 99.36 01:10:00 1 0.28 0.00 0.10 0.04 0.03 99.56 01:20:00 all 0.23 0.00 0.07 0.01 0.03 99.66 01:20:00 0 0.41 0.00 0.06 0.01 0.02 99.51 01:20:00 1 0.05 0.00 0.09 0.00 0.04 99.82 01:30:00 all 0.27 0.00 0.16 0.01 0.03 99.54 01:30:00 0 0.34 0.00 0.15 0.01 0.02 99.48 01:30:00 1 0.19 0.00 0.17 0.00 0.04 99.60 Average: all 0.27 0.00 0.11 0.01 0.03 99.57 Average: 0 0.35 0.00 0.11 0.01 0.02 99.51 Average: 1 0.19 0.00 0.12 0.01 0.03 99.64