---> uname -a: Linux prd-queue-disttest-2c-1g-2397 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: 5599.94 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 769 5446 4 2010 7172 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:29:2f:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.51/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82596sec preferred_lft 82596sec inet6 fe80::f816:3eff:fe29:2f7f/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-2397) 04/13/26 _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 2.16 0.02 2.08 0.06 1.24 563.62 3.69 02:00:15 1.55 0.01 1.53 0.02 0.05 18.83 0.35 02:10:15 1.90 0.32 1.57 0.01 39.03 72.91 0.20 02:20:15 1.49 0.01 1.46 0.02 1.07 17.33 1.25 02:30:15 1.60 0.00 1.57 0.03 0.00 19.08 1.55 02:40:15 1.48 0.02 1.45 0.02 0.60 17.12 1.12 Average: 1.70 0.06 1.61 0.03 7.00 118.15 1.36 01:40:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:15 5791680 7508600 282288 3.47 61668 1835792 532944 5.80 463720 1614936 164 02:00:15 5794384 7511804 278948 3.43 61836 1836112 532916 5.80 463888 1615428 124 02:10:15 5745356 7491424 298832 3.67 62136 1864172 739900 8.06 480936 1632724 204 02:20:15 5748568 7495436 294904 3.63 62296 1864800 532992 5.81 475392 1633200 160 02:30:15 5746612 7494008 296324 3.64 62468 1865144 533180 5.81 475488 1633712 204 02:40:15 5740892 7489096 301236 3.70 62640 1865768 533180 5.81 475768 1634264 124 Average: 5761249 7498395 292089 3.59 62174 1855298 567519 6.18 472532 1627377 163 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 2.47 0.19 0.43 0.15 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 1.38 0.05 0.18 0.03 0.00 0.00 0.00 0.00 02:10:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 0.66 0.21 3.10 0.05 0.00 0.00 0.00 0.00 02:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 0.25 0.03 0.04 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 0.21 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:40:15 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:40:15 ens3 0.44 0.09 0.13 0.06 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 0.90 0.10 0.65 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-2397) 04/13/26 _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 0.26 0.00 0.10 0.02 0.02 99.60 01:50:15 0 0.32 0.00 0.09 0.01 0.02 99.55 01:50:15 1 0.20 0.00 0.10 0.04 0.03 99.64 02:00:15 all 0.24 0.00 0.18 0.01 0.02 99.55 02:00:15 0 0.29 0.00 0.18 0.00 0.02 99.50 02:00:15 1 0.20 0.00 0.18 0.01 0.02 99.59 02:10:15 all 0.38 0.00 0.11 0.02 0.02 99.47 02:10:15 0 0.65 0.00 0.12 0.02 0.02 99.20 02:10:15 1 0.11 0.00 0.11 0.02 0.03 99.74 02:20:15 all 0.24 0.00 0.07 0.01 0.02 99.67 02:20:15 0 0.08 0.00 0.09 0.00 0.03 99.81 02:20:15 1 0.40 0.00 0.05 0.01 0.02 99.52 02:30:15 all 0.26 0.00 0.15 0.01 0.02 99.56 02:30:15 0 0.28 0.00 0.16 0.01 0.02 99.54 02:30:15 1 0.25 0.00 0.14 0.01 0.02 99.58 02:40:15 all 0.27 0.00 0.07 0.01 0.02 99.62 02:40:15 0 0.48 0.00 0.05 0.00 0.01 99.46 02:40:15 1 0.07 0.00 0.10 0.03 0.03 99.78 Average: all 0.28 0.00 0.11 0.01 0.02 99.58 Average: 0 0.35 0.00 0.11 0.01 0.02 99.51 Average: 1 0.20 0.00 0.11 0.02 0.02 99.64