---> uname -a: Linux prd-queue-disttest-2c-1g-66357 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 729 5431 4 2072 7212 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:b4:33:19 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.68/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82317sec preferred_lft 82317sec inet6 fe80::f816:3eff:feb4:3319/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-66357) 04/04/26 _x86_64_ (2 CPU) 02:54:18 LINUX RESTART (2 CPU) 03:00:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:07 1.30 0.01 1.29 0.00 0.05 15.84 0.24 03:20:08 1.20 0.00 1.20 0.00 0.01 14.41 0.00 03:30:08 1.34 0.00 1.31 0.02 0.00 16.49 0.77 03:40:08 1.21 0.00 1.20 0.02 0.00 15.01 1.20 03:50:08 16.01 13.85 2.08 0.08 189.71 99.81 120.93 04:00:08 1.36 0.00 1.33 0.03 0.00 17.27 0.96 Average: 3.74 2.31 1.40 0.03 31.62 29.80 20.68 03:00:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:07 5791908 7508324 282076 3.47 61748 1835228 535792 5.84 467232 1614324 152 03:20:08 5797804 7514696 275712 3.39 61896 1835548 535792 5.84 467248 1614800 136 03:30:08 5791816 7509240 281128 3.46 62084 1835880 535952 5.84 467388 1615320 176 03:40:08 5789308 7507212 283156 3.48 62240 1836204 535944 5.84 467484 1615800 168 03:50:08 5658404 7461232 319616 3.93 66284 1908464 742096 8.08 485124 1680420 348 04:00:08 5666760 7470240 310504 3.82 66432 1908916 742120 8.08 485256 1680904 200 Average: 5749333 7495157 292032 3.59 63447 1860040 604616 6.59 473289 1636928 197 03:00:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:07 ens3 2.82 0.15 0.43 0.11 0.00 0.00 0.00 0.00 03:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 0.56 0.03 0.06 0.01 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 0.52 0.10 0.12 0.06 0.00 0.00 0.00 0.00 03:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:08 ens3 0.58 0.10 0.15 0.07 0.00 0.00 0.00 0.00 03:50:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:50:08 ens3 0.55 0.26 3.08 0.05 0.00 0.00 0.00 0.00 04:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:08 ens3 0.21 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 0.87 0.12 0.65 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-66357) 04/04/26 _x86_64_ (2 CPU) 02:54:18 LINUX RESTART (2 CPU) 03:00:07 CPU %user %nice %system %iowait %steal %idle 03:10:07 all 0.27 0.00 0.10 0.01 0.03 99.60 03:10:07 0 0.31 0.00 0.09 0.00 0.02 99.58 03:10:07 1 0.22 0.00 0.11 0.01 0.03 99.63 03:20:08 all 0.23 0.00 0.06 0.01 0.03 99.68 03:20:08 0 0.06 0.00 0.08 0.01 0.03 99.82 03:20:08 1 0.40 0.00 0.05 0.00 0.02 99.53 03:30:08 all 0.28 0.00 0.15 0.01 0.03 99.54 03:30:08 0 0.16 0.00 0.16 0.01 0.03 99.63 03:30:08 1 0.39 0.00 0.15 0.00 0.02 99.44 03:40:08 all 0.25 0.00 0.07 0.01 0.03 99.65 03:40:08 0 0.16 0.00 0.08 0.01 0.03 99.72 03:40:08 1 0.34 0.00 0.06 0.00 0.03 99.57 03:50:08 all 0.33 0.18 0.17 0.14 0.03 99.16 03:50:08 0 0.32 0.35 0.19 0.23 0.02 98.90 03:50:08 1 0.35 0.01 0.16 0.04 0.03 99.42 04:00:08 all 0.27 0.00 0.16 0.01 0.03 99.54 04:00:08 0 0.26 0.00 0.15 0.00 0.03 99.56 04:00:08 1 0.28 0.00 0.17 0.01 0.03 99.52 Average: all 0.27 0.03 0.12 0.03 0.03 99.53 Average: 0 0.21 0.06 0.12 0.04 0.03 99.54 Average: 1 0.33 0.00 0.11 0.01 0.03 99.52