---> uname -a: Linux prd-queue-disttest-2c-1g-26945 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: 5600.00 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 5431 4 2100 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:13:1a:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82618sec preferred_lft 82618sec inet6 fe80::f816:3eff:fe13:1a80/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-26945) 06/13/26 _x86_64_ (2 CPU) 00:32:31 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 1.16 0.01 1.15 0.00 0.05 14.55 0.24 01:00:20 1.46 0.00 1.42 0.04 0.00 18.78 1.54 01:10:01 1.77 0.27 1.47 0.03 33.04 75.98 1.37 01:20:18 13.80 0.00 1.20 12.59 0.16 15.49 104561.97 01:30:18 1.35 0.00 1.31 0.03 0.00 17.92 1.45 Average: 3.96 0.05 1.31 2.60 6.41 28.12 21378.73 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 5686356 7498576 287576 3.54 63664 1924880 528348 5.75 460348 1705308 252 01:00:20 5686144 7498896 287264 3.53 63868 1925204 528348 5.75 460516 1705840 132 01:10:01 5649404 7489128 296772 3.65 64188 1951628 528492 5.76 469576 1723508 184 01:20:18 5660448 7500732 285020 3.50 64376 1952000 528492 5.76 469932 1724040 196 01:30:18 5657924 7498900 286832 3.53 64584 1952460 528492 5.76 469860 1724580 196 Average: 5668055 7497246 288693 3.55 64136 1941234 528434 5.76 466046 1716655 192 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 4.19 0.25 0.62 0.19 0.00 0.00 0.00 0.00 01:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:20 ens3 0.91 0.07 0.10 0.03 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 0.89 0.21 8.77 0.05 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.59 0.11 0.17 0.10 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.31 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 1.38 0.14 1.89 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-26945) 06/13/26 _x86_64_ (2 CPU) 00:32:31 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.23 0.00 0.08 0.01 0.02 99.66 00:50:05 0 0.27 0.00 0.07 0.01 0.01 99.64 00:50:05 1 0.20 0.00 0.09 0.00 0.02 99.69 01:00:20 all 0.23 0.00 0.15 0.01 0.02 99.59 01:00:20 0 0.39 0.00 0.14 0.01 0.01 99.45 01:00:20 1 0.07 0.00 0.17 0.01 0.02 99.73 01:10:01 all 0.36 0.00 0.10 0.03 0.02 99.50 01:10:01 0 0.56 0.00 0.10 0.05 0.02 99.27 01:10:01 1 0.16 0.00 0.09 0.01 0.02 99.73 01:20:18 all 0.26 0.00 0.08 0.05 0.01 99.60 01:20:18 0 0.36 0.00 0.06 0.04 0.01 99.52 01:20:18 1 0.16 0.00 0.10 0.05 0.01 99.68 01:30:18 all 0.25 0.00 0.16 0.01 0.01 99.55 01:30:18 0 0.44 0.00 0.16 0.02 0.01 99.37 01:30:18 1 0.07 0.00 0.17 0.01 0.02 99.74 Average: all 0.27 0.00 0.12 0.02 0.02 99.58 Average: 0 0.40 0.00 0.11 0.02 0.01 99.45 Average: 1 0.13 0.00 0.12 0.02 0.02 99.71