---> uname -a: Linux prd-queue-disttest-2c-1g-36506 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 709 5414 4 2105 7231 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:63:c4:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82561sec preferred_lft 82561sec inet6 fe80::f816:3eff:fe63:c429/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-36506) 07/17/26 _x86_64_ (2 CPU) 00:33:53 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:29 1.20 0.01 1.19 0.00 0.05 14.68 0.34 01:00:09 1.48 0.00 1.45 0.03 0.00 18.12 1.38 01:10:01 14.87 0.26 1.47 13.14 31.55 76.12 108906.05 01:20:29 1.26 0.01 1.23 0.02 1.02 15.49 1.24 01:30:19 1.45 0.00 1.42 0.03 0.00 18.13 1.52 Average: 4.00 0.05 1.35 2.60 6.41 28.24 21362.48 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:29 5696360 7516360 269240 3.31 63836 1932012 533472 5.81 462828 1713096 196 01:00:09 5693376 7513880 271712 3.34 63996 1932344 533612 5.81 462912 1713588 140 01:10:01 5641076 7488676 296488 3.65 64284 1958924 733428 7.99 477348 1731664 284 01:20:29 5648636 7497052 288180 3.54 64452 1959564 533672 5.81 472172 1732160 136 01:30:19 5644144 7493232 291956 3.59 64636 1960020 533672 5.81 472240 1732672 196 Average: 5664718 7501840 283515 3.49 64241 1948573 573571 6.25 469500 1724636 190 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:29 ens3 1.58 0.07 0.21 0.06 0.00 0.00 0.00 0.00 01:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 0.50 0.08 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 0.58 3.46 0.16 0.00 0.00 0.00 0.00 01:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:29 ens3 0.43 0.06 0.09 0.05 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.25 0.05 0.08 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 0.17 0.77 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-36506) 07/17/26 _x86_64_ (2 CPU) 00:33:53 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:29 all 0.23 0.00 0.08 0.00 0.02 99.66 00:50:29 0 0.06 0.00 0.09 0.00 0.03 99.81 00:50:29 1 0.40 0.00 0.07 0.01 0.02 99.51 01:00:09 all 0.27 0.00 0.17 0.01 0.02 99.53 01:00:09 0 0.16 0.00 0.17 0.00 0.02 99.65 01:00:09 1 0.39 0.00 0.17 0.01 0.03 99.40 01:10:01 all 0.37 0.00 0.10 0.04 0.02 99.47 01:10:01 0 0.45 0.00 0.10 0.05 0.02 99.38 01:10:01 1 0.29 0.00 0.11 0.02 0.03 99.55 01:20:29 all 0.22 0.00 0.07 0.01 0.02 99.69 01:20:29 0 0.05 0.00 0.08 0.00 0.03 99.84 01:20:29 1 0.39 0.00 0.05 0.01 0.02 99.54 01:30:19 all 0.28 0.00 0.15 0.01 0.02 99.54 01:30:19 0 0.18 0.00 0.16 0.01 0.03 99.62 01:30:19 1 0.37 0.00 0.15 0.01 0.02 99.46 Average: all 0.27 0.00 0.11 0.01 0.02 99.58 Average: 0 0.18 0.00 0.12 0.01 0.02 99.66 Average: 1 0.37 0.00 0.11 0.01 0.02 99.49