---> uname -a: Linux prd-queue-disttest-2c-1g-23571 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 705 5438 4 2084 7236 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:9e:ae:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83684sec preferred_lft 83684sec inet6 fe80::f816:3eff:fe9e:aec9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-23571) 06/04/26 _x86_64_ (2 CPU) 02:48:40 LINUX RESTART (2 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:27 4.85 0.06 4.57 0.21 6.37 1290.60 4.33 03:10:25 1.93 0.26 1.64 0.03 31.11 75.44 1.38 03:20:01 1.36 0.00 1.34 0.02 0.01 15.65 1.25 03:30:27 14.06 0.00 1.63 12.43 0.14 19.70 103169.77 Average: 5.67 0.08 2.32 3.27 9.36 360.30 26597.63 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:27 5701800 7498112 289028 3.55 63068 1910188 530748 5.78 470400 1689984 176 03:10:25 5661736 7484596 301980 3.71 63396 1936196 734108 8.00 484820 1707548 160 03:20:01 5669044 7492424 294116 3.62 63580 1936516 734276 8.00 484856 1708060 124 03:30:27 5674232 7498216 288156 3.54 63760 1936896 734412 8.00 485056 1708588 148 Average: 5676703 7493337 293320 3.61 63451 1929949 683386 7.44 481283 1703545 152 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:27 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:27 ens3 5.08 2.02 41.13 0.41 0.00 0.00 0.00 0.00 03:10:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:25 ens3 0.92 0.22 3.16 0.03 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.20 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:27 ens3 0.29 0.07 0.09 0.05 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.66 0.60 11.42 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-23571) 06/04/26 _x86_64_ (2 CPU) 02:48:40 LINUX RESTART (2 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:27 all 1.17 0.00 0.34 0.06 0.04 98.40 03:00:27 0 2.10 0.00 0.40 0.09 0.03 97.38 03:00:27 1 0.24 0.00 0.27 0.04 0.04 99.41 03:10:25 all 0.38 0.00 0.11 0.01 0.03 99.47 03:10:25 0 0.23 0.00 0.09 0.01 0.03 99.65 03:10:25 1 0.53 0.00 0.13 0.02 0.04 99.29 03:20:01 all 0.23 0.00 0.07 0.01 0.03 99.66 03:20:01 0 0.06 0.00 0.09 0.01 0.04 99.81 03:20:01 1 0.40 0.00 0.05 0.01 0.02 99.51 03:30:27 all 0.24 0.00 0.17 0.03 0.03 99.53 03:30:27 0 0.28 0.00 0.20 0.05 0.03 99.44 03:30:27 1 0.21 0.00 0.14 0.00 0.04 99.62 Average: all 0.51 0.00 0.17 0.03 0.03 99.25 Average: 0 0.68 0.00 0.20 0.04 0.03 99.05 Average: 1 0.34 0.00 0.15 0.02 0.03 99.46