---> uname -a: Linux prd-queue-disttest-2c-1g-11599 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 693 5514 4 2017 7247 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:66:d7:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.54/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82188sec preferred_lft 82188sec inet6 fe80::f816:3eff:fe66:d7a1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11599) 05/07/26 _x86_64_ (2 CPU) 02:48:43 LINUX RESTART (2 CPU) 02:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:01 3.83 0.07 3.69 0.08 6.64 1086.03 1.28 03:10:01 1.23 0.01 1.21 0.01 0.05 14.85 0.72 03:20:01 1.47 0.02 1.43 0.02 0.61 17.00 1.13 03:30:01 1.54 0.00 1.50 0.03 0.05 18.89 1.35 03:40:01 1.91 0.26 1.62 0.03 31.99 74.93 1.35 03:50:01 14.31 0.00 1.40 12.91 0.15 16.84 107754.74 Average: 4.05 0.06 1.81 2.18 6.58 204.76 17960.04 02:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:01 5772800 7495256 295460 3.63 61572 1841096 529624 5.77 469588 1619664 148 03:10:01 5773916 7496892 293656 3.61 61776 1841412 529624 5.77 469660 1620188 276 03:20:01 5772460 7496148 294364 3.62 61976 1841936 529624 5.77 469792 1620784 268 03:30:01 5769340 7493552 296956 3.65 62156 1842256 529816 5.77 469828 1621292 276 03:40:01 5730880 7482060 308120 3.79 62476 1868620 529912 5.77 479216 1638772 276 03:50:01 5737716 7489460 300596 3.70 62644 1869012 529976 5.77 479280 1639296 216 Average: 5759519 7492228 298192 3.67 62100 1850722 529763 5.77 472894 1626666 243 02:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 5.09 1.68 40.18 0.80 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.97 0.05 0.09 0.01 0.00 0.00 0.00 0.00 03:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.34 0.06 0.06 0.02 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.47 0.08 0.36 0.05 0.00 0.00 0.00 0.00 03:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:01 ens3 0.62 0.23 3.49 0.05 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 0.17 0.03 0.04 0.01 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 1.28 0.36 7.37 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11599) 05/07/26 _x86_64_ (2 CPU) 02:48:43 LINUX RESTART (2 CPU) 02:50:01 CPU %user %nice %system %iowait %steal %idle 03:00:01 all 0.40 0.00 0.27 0.07 0.03 99.23 03:00:01 0 0.38 0.00 0.25 0.02 0.03 99.33 03:00:01 1 0.43 0.00 0.29 0.12 0.03 99.14 03:10:01 all 0.25 0.00 0.08 0.01 0.03 99.64 03:10:01 0 0.06 0.00 0.10 0.00 0.03 99.81 03:10:01 1 0.44 0.00 0.05 0.01 0.03 99.48 03:20:01 all 0.26 0.00 0.08 0.01 0.03 99.63 03:20:01 0 0.05 0.00 0.09 0.01 0.03 99.82 03:20:01 1 0.47 0.00 0.07 0.02 0.02 99.43 03:30:01 all 0.25 0.00 0.17 0.02 0.03 99.54 03:30:01 0 0.23 0.00 0.18 0.01 0.03 99.56 03:30:01 1 0.27 0.00 0.15 0.03 0.03 99.52 03:40:01 all 0.39 0.00 0.09 0.02 0.03 99.47 03:40:01 0 0.54 0.00 0.10 0.03 0.03 99.30 03:40:01 1 0.23 0.00 0.09 0.02 0.03 99.64 03:50:01 all 0.23 0.00 0.08 0.03 0.03 99.62 03:50:01 0 0.42 0.00 0.05 0.01 0.02 99.50 03:50:01 1 0.05 0.00 0.11 0.05 0.04 99.75 Average: all 0.30 0.00 0.13 0.03 0.03 99.52 Average: 0 0.28 0.00 0.13 0.01 0.03 99.55 Average: 1 0.31 0.00 0.13 0.04 0.03 99.49