---> uname -a: Linux prd-queue-disttest-2c-1g-11837 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 731 5477 4 2017 7210 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:20:4e:a4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82269sec preferred_lft 82269sec inet6 fe80::f816:3eff:fe20:4ea4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11837) 05/08/26 _x86_64_ (2 CPU) 00:29:23 LINUX RESTART (2 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:00 7.93 0.34 7.08 0.51 40.09 1561.09 190.63 00:50:00 1.18 0.01 1.15 0.02 0.05 14.36 1.20 01:00:00 1.53 0.01 1.48 0.03 0.60 18.20 1.47 01:10:00 1.33 0.00 1.31 0.01 0.00 15.24 1.08 01:20:00 1.25 0.00 1.23 0.02 0.01 15.03 1.09 01:30:00 1.45 0.00 1.41 0.04 0.00 17.87 1.55 Average: 2.44 0.06 2.28 0.10 6.79 273.63 32.84 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:00 5724656 7473040 317656 3.91 61776 1866800 749048 8.16 490768 1636860 164 00:50:00 5732468 7481384 309116 3.80 61960 1867140 749136 8.16 492572 1637376 152 01:00:00 5714232 7463888 326592 4.02 62176 1867640 749304 8.16 493960 1637972 156 01:10:00 5713992 7464164 326316 4.01 62356 1867960 749296 8.16 495272 1638480 124 01:20:00 5713992 7464680 325780 4.01 62528 1868304 749304 8.16 497100 1638988 148 01:30:00 5715000 7466356 323856 3.98 62712 1868748 749300 8.16 498292 1639496 132 Average: 5719057 7468919 321553 3.95 62251 1867765 749231 8.16 494661 1638195 146 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:00 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:40:00 ens3 10.44 5.32 97.55 1.28 0.00 0.00 0.00 0.00 00:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:00 ens3 1.12 0.06 0.15 0.05 0.00 0.00 0.00 0.00 01:00:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.51 0.07 0.10 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 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.40 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.30 0.05 0.07 0.03 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 2.20 0.94 16.34 0.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11837) 05/08/26 _x86_64_ (2 CPU) 00:29:23 LINUX RESTART (2 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:00 all 2.53 0.00 0.52 0.31 0.03 96.61 00:40:00 0 2.63 0.00 0.45 0.16 0.04 96.72 00:40:00 1 2.43 0.00 0.59 0.46 0.03 96.50 00:50:00 all 0.20 0.00 0.08 0.01 0.03 99.68 00:50:00 0 0.20 0.00 0.08 0.01 0.03 99.69 00:50:00 1 0.20 0.00 0.09 0.00 0.03 99.68 01:00:00 all 0.30 0.00 0.17 0.01 0.03 99.49 01:00:00 0 0.32 0.00 0.15 0.01 0.03 99.49 01:00:00 1 0.28 0.00 0.18 0.02 0.03 99.50 01:10:00 all 0.23 0.00 0.07 0.01 0.03 99.65 01:10:00 0 0.04 0.00 0.09 0.00 0.04 99.82 01:10:00 1 0.43 0.00 0.05 0.03 0.02 99.48 01:20:00 all 0.23 0.00 0.07 0.02 0.03 99.66 01:20:00 0 0.18 0.00 0.07 0.01 0.03 99.71 01:20:00 1 0.27 0.00 0.07 0.03 0.03 99.60 01:30:00 all 0.27 0.00 0.16 0.02 0.03 99.53 01:30:00 0 0.06 0.00 0.17 0.01 0.04 99.73 01:30:00 1 0.48 0.00 0.15 0.02 0.03 99.32 Average: all 0.63 0.00 0.18 0.06 0.03 99.10 Average: 0 0.57 0.00 0.17 0.03 0.03 99.19 Average: 1 0.68 0.00 0.19 0.09 0.03 99.01