---> uname -a: Linux prd-queue-disttest-2c-1g-28466 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 697 5443 4 2088 7244 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:1c:f3:18 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82430sec preferred_lft 82430sec inet6 fe80::f816:3eff:fe1c:f318/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-28466) 06/19/26 _x86_64_ (2 CPU) 00:32:30 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:04 14.11 0.01 1.23 12.87 0.20 15.24 107041.73 01:00:04 1.55 0.01 1.52 0.02 0.60 18.60 0.27 01:10:01 1.73 0.25 1.45 0.02 31.17 74.33 0.79 01:20:04 1.24 0.01 1.21 0.02 1.06 15.10 1.26 01:30:04 1.41 0.00 1.37 0.04 0.00 17.48 1.36 Average: 4.02 0.06 1.36 2.61 6.56 28.07 21493.49 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:04 5696024 7499084 287136 3.53 63536 1916164 537100 5.85 465740 1696096 220 01:00:04 5691996 7495736 290456 3.57 63688 1916680 537312 5.85 465948 1696640 228 01:10:01 5665464 7496012 289888 3.56 64016 1942908 734476 8.00 480240 1714440 292 01:20:04 5664504 7495876 290000 3.57 64196 1943544 537236 5.85 475336 1714944 240 01:30:04 5650732 7482788 303028 3.73 64408 1944000 537240 5.85 475268 1715472 244 Average: 5673744 7493899 292102 3.59 63969 1932659 576673 6.28 472506 1707518 245 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:04 ens3 3.21 0.22 0.56 0.18 0.00 0.00 0.00 0.00 01:00:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:04 ens3 0.60 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.26 0.56 3.35 0.13 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.46 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.29 0.06 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 1.16 0.20 0.83 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-28466) 06/19/26 _x86_64_ (2 CPU) 00:32:30 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:04 all 0.27 0.00 0.11 0.03 0.03 99.57 00:50:04 0 0.41 0.00 0.09 0.02 0.02 99.46 00:50:04 1 0.12 0.00 0.12 0.04 0.03 99.68 01:00:04 all 0.29 0.00 0.18 0.01 0.03 99.49 01:00:04 0 0.32 0.00 0.17 0.01 0.02 99.48 01:00:04 1 0.27 0.00 0.20 0.00 0.03 99.50 01:10:01 all 0.36 0.00 0.09 0.02 0.02 99.50 01:10:01 0 0.32 0.00 0.11 0.03 0.02 99.52 01:10:01 1 0.40 0.00 0.07 0.01 0.03 99.48 01:20:04 all 0.26 0.00 0.07 0.01 0.03 99.63 01:20:04 0 0.11 0.00 0.09 0.01 0.04 99.75 01:20:04 1 0.41 0.00 0.05 0.00 0.02 99.51 01:30:04 all 0.28 0.00 0.16 0.01 0.03 99.53 01:30:04 0 0.49 0.00 0.15 0.01 0.02 99.34 01:30:04 1 0.07 0.00 0.17 0.01 0.04 99.71 Average: all 0.29 0.00 0.12 0.01 0.03 99.54 Average: 0 0.33 0.00 0.12 0.01 0.02 99.51 Average: 1 0.26 0.00 0.12 0.01 0.03 99.58