---> uname -a: Linux prd-queue-disttest-2c-1g-8888 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 706 5501 4 2018 7235 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:83:9c:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82644sec preferred_lft 82644sec inet6 fe80::f816:3eff:fe83:9c17/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8888) 04/28/26 _x86_64_ (2 CPU) 01:38:43 LINUX RESTART (2 CPU) 01:40:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:15 2.31 0.03 2.23 0.06 1.24 575.21 1.12 02:00:15 1.49 0.01 1.46 0.03 0.05 18.03 0.97 02:10:15 1.28 0.00 1.27 0.02 0.00 15.39 1.20 02:20:07 1.12 0.00 1.10 0.02 0.01 13.92 1.34 02:30:15 1.38 0.00 1.34 0.03 0.00 17.15 1.43 02:40:14 14.90 0.32 1.61 12.97 39.25 74.90 108009.99 Average: 3.75 0.06 1.50 2.18 6.75 119.12 17974.41 01:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:15 5780892 7502968 287628 3.54 61556 1840968 527640 5.75 466208 1619632 168 02:00:15 5774664 7497268 293056 3.60 61744 1841300 527640 5.75 466344 1620152 204 02:10:15 5775428 7498532 291792 3.59 61920 1841624 527784 5.75 466496 1620652 176 02:20:07 5782572 7506164 284160 3.49 62084 1841948 527784 5.75 466508 1621140 216 02:30:15 5784464 7508588 281728 3.46 62280 1842280 527776 5.75 466520 1621668 176 02:40:14 5725616 7478856 310912 3.82 62608 1870756 729452 7.95 483004 1639252 152 Average: 5770606 7498729 291546 3.58 62032 1846479 561346 6.11 469180 1623749 182 01:40:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:15 ens3 3.05 0.16 0.48 0.10 0.00 0.00 0.00 0.00 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 0.80 0.05 0.10 0.03 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 0.59 0.08 0.12 0.05 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.29 0.04 0.12 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.27 0.03 0.11 0.01 0.00 0.00 0.00 0.00 02:40:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.77 0.39 3.21 0.08 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 0.96 0.13 0.69 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8888) 04/28/26 _x86_64_ (2 CPU) 01:38:43 LINUX RESTART (2 CPU) 01:40:15 CPU %user %nice %system %iowait %steal %idle 01:50:15 all 0.25 0.00 0.10 0.06 0.03 99.57 01:50:15 0 0.36 0.00 0.08 0.02 0.03 99.51 01:50:15 1 0.13 0.00 0.13 0.10 0.03 99.62 02:00:15 all 0.27 0.00 0.16 0.01 0.03 99.53 02:00:15 0 0.25 0.00 0.15 0.01 0.03 99.56 02:00:15 1 0.29 0.00 0.17 0.01 0.03 99.50 02:10:15 all 0.26 0.00 0.07 0.12 0.02 99.53 02:10:15 0 0.07 0.00 0.09 0.10 0.03 99.72 02:10:15 1 0.46 0.00 0.05 0.15 0.02 99.34 02:20:07 all 0.25 0.00 0.07 0.22 0.02 99.44 02:20:07 0 0.07 0.00 0.08 0.13 0.02 99.70 02:20:07 1 0.43 0.00 0.05 0.32 0.02 99.18 02:30:15 all 0.27 0.00 0.16 0.10 0.03 99.45 02:30:15 0 0.07 0.00 0.18 0.03 0.03 99.70 02:30:15 1 0.48 0.00 0.14 0.16 0.02 99.19 02:40:14 all 0.39 0.00 0.13 0.10 0.02 99.36 02:40:14 0 0.23 0.00 0.16 0.15 0.02 99.44 02:40:14 1 0.55 0.00 0.10 0.05 0.02 99.28 Average: all 0.28 0.00 0.11 0.10 0.02 99.48 Average: 0 0.17 0.00 0.12 0.07 0.03 99.61 Average: 1 0.39 0.00 0.11 0.13 0.02 99.35