---> uname -a: Linux prd-queue-disttest-2c-1g-9463 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 692 5461 4 2080 7249 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:b6:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.178/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82686sec preferred_lft 82686sec inet6 fe80::f816:3eff:fe1c:b630/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-9463) 04/29/26 _x86_64_ (2 CPU) 00:32:33 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 1.22 0.01 1.20 0.01 0.05 15.09 0.47 01:00:00 1.42 0.00 1.38 0.03 0.00 17.72 1.32 01:10:00 1.15 0.00 1.13 0.02 0.00 13.92 0.99 01:20:08 15.30 13.36 1.86 0.07 148.78 43.20 7.28 01:30:08 14.79 0.26 1.60 12.93 31.13 75.56 107965.13 Average: 6.80 2.75 1.44 2.61 36.29 33.12 21544.42 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 5797996 7520656 270180 3.32 61680 1841244 534428 5.82 460564 1620004 140 01:00:00 5790820 7514016 276772 3.40 61872 1841588 534636 5.82 460724 1620540 124 01:10:00 5790316 7514048 276740 3.40 62080 1841916 534636 5.82 460768 1621076 140 01:20:08 5715656 7496128 285708 3.51 65956 1886540 534636 5.82 461508 1668964 184 01:30:08 5664840 7472160 309032 3.80 66332 1912616 728556 7.94 475996 1686500 188 Average: 5751926 7503402 283686 3.49 63584 1864781 573378 6.25 463912 1643417 155 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 3.00 0.21 0.49 0.15 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 0.56 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.45 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.52 0.11 0.13 0.06 0.00 0.00 0.00 0.00 01:30:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.54 0.25 3.14 0.05 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 1.02 0.14 0.79 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-9463) 04/29/26 _x86_64_ (2 CPU) 00:32:33 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 0.24 0.00 0.08 0.00 0.02 99.66 00:50:08 0 0.41 0.00 0.07 0.00 0.01 99.50 00:50:08 1 0.07 0.00 0.09 0.01 0.02 99.81 01:00:00 all 0.24 0.00 0.16 0.01 0.02 99.57 01:00:00 0 0.32 0.00 0.14 0.01 0.02 99.52 01:00:00 1 0.16 0.00 0.18 0.01 0.02 99.63 01:10:00 all 0.23 0.00 0.07 0.01 0.02 99.68 01:10:00 0 0.04 0.00 0.08 0.01 0.02 99.85 01:10:00 1 0.42 0.00 0.05 0.01 0.02 99.50 01:20:08 all 0.25 0.18 0.14 0.15 0.02 99.26 01:20:08 0 0.12 0.36 0.22 0.27 0.03 99.01 01:20:08 1 0.39 0.00 0.06 0.03 0.02 99.51 01:30:08 all 0.40 0.00 0.21 0.04 0.02 99.33 01:30:08 0 0.44 0.00 0.19 0.02 0.01 99.34 01:30:08 1 0.36 0.00 0.22 0.06 0.02 99.33 Average: all 0.27 0.04 0.13 0.04 0.02 99.50 Average: 0 0.27 0.07 0.14 0.06 0.02 99.44 Average: 1 0.28 0.00 0.12 0.02 0.02 99.56