---> uname -a: Linux prd-queue-disttest-2c-1g-16667 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 715 5492 4 2018 7226 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:84:55:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.90/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82333sec preferred_lft 82333sec inet6 fe80::f816:3eff:fe84:55cd/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-16667) 05/19/26 _x86_64_ (2 CPU) 02:48:44 LINUX RESTART (2 CPU) 02:50:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:15 15.38 0.28 2.14 12.96 32.37 312.48 107760.43 03:10:01 1.39 0.01 1.38 0.00 0.05 16.39 0.12 03:20:15 1.39 0.00 1.39 0.00 0.01 16.08 0.00 03:30:15 1.48 0.00 1.46 0.02 0.00 18.12 0.35 03:40:15 1.35 0.00 1.35 0.00 0.00 16.29 0.00 03:50:15 1.44 0.01 1.42 0.00 0.60 16.88 0.04 Average: 3.74 0.05 1.52 2.16 5.51 66.04 17960.16 02:50:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:15 5740816 7490404 299624 3.68 61808 1867664 720624 7.85 477564 1637912 196 03:10:01 5750448 7500524 289408 3.56 61964 1867996 720688 7.85 477684 1638400 244 03:20:15 5749332 7499900 290012 3.57 62124 1868324 720688 7.85 477688 1638888 164 03:30:15 5742872 7493960 295896 3.64 62300 1868648 720868 7.85 477864 1639388 220 03:40:15 5750460 7502136 287716 3.54 62424 1869104 720932 7.85 478076 1639840 160 03:50:15 5743952 7496300 293512 3.61 62588 1869608 720932 7.85 478204 1640388 196 Average: 5746313 7497204 292695 3.60 62201 1868557 720789 7.85 477847 1639136 197 02:50:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:15 ens3 3.20 0.38 3.62 0.17 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 0.85 0.04 0.08 0.01 0.00 0.00 0.00 0.00 03:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:15 ens3 1.01 0.04 2.94 0.02 0.00 0.00 0.00 0.00 03:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:15 ens3 0.88 0.09 0.15 0.05 0.00 0.00 0.00 0.00 03:40:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:15 ens3 0.39 0.05 0.23 0.03 0.00 0.00 0.00 0.00 03:50:15 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:50:15 ens3 0.49 0.05 0.07 0.02 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 1.14 0.11 1.19 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-16667) 05/19/26 _x86_64_ (2 CPU) 02:48:44 LINUX RESTART (2 CPU) 02:50:15 CPU %user %nice %system %iowait %steal %idle 03:00:15 all 0.43 0.00 0.21 0.11 0.02 99.23 03:00:15 0 0.38 0.00 0.18 0.07 0.01 99.35 03:00:15 1 0.47 0.00 0.25 0.14 0.02 99.11 03:10:01 all 0.26 0.00 0.09 0.07 0.01 99.58 03:10:01 0 0.45 0.00 0.09 0.04 0.01 99.42 03:10:01 1 0.06 0.00 0.09 0.09 0.02 99.74 03:20:15 all 0.24 0.00 0.07 0.01 0.01 99.67 03:20:15 0 0.44 0.00 0.06 0.01 0.01 99.49 03:20:15 1 0.04 0.00 0.09 0.00 0.02 99.85 03:30:15 all 0.25 0.00 0.16 0.01 0.02 99.58 03:30:15 0 0.28 0.00 0.14 0.01 0.02 99.55 03:30:15 1 0.21 0.00 0.17 0.00 0.02 99.60 03:40:15 all 0.22 0.00 0.07 0.03 0.02 99.66 03:40:15 0 0.30 0.00 0.06 0.03 0.02 99.59 03:40:15 1 0.14 0.00 0.08 0.03 0.02 99.73 03:50:15 all 0.26 0.00 0.08 0.04 0.02 99.61 03:50:15 0 0.33 0.00 0.07 0.03 0.01 99.56 03:50:15 1 0.18 0.00 0.10 0.04 0.02 99.66 Average: all 0.27 0.00 0.11 0.04 0.02 99.55 Average: 0 0.36 0.00 0.10 0.03 0.01 99.49 Average: 1 0.19 0.00 0.13 0.05 0.02 99.62