---> uname -a: Linux prd-queue-disttest-2c-1g-1856 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 695 5519 4 2010 7246 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:9b:28:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82670sec preferred_lft 82670sec inet6 fe80::f816:3eff:fe9b:287e/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-1856) 04/11/26 _x86_64_ (2 CPU) 00:34:22 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.24 0.01 1.23 0.00 0.05 15.12 0.12 01:00:01 1.30 0.00 1.28 0.02 0.00 16.03 0.37 01:10:01 1.16 0.00 1.15 0.01 0.00 13.80 0.48 01:20:01 1.35 0.02 1.31 0.02 0.61 15.95 1.13 01:30:01 14.46 0.00 1.51 12.95 0.15 18.41 107956.64 Average: 3.90 0.01 1.30 2.60 0.16 15.86 21571.59 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5792872 7510872 279844 3.44 61684 1836680 536572 5.84 466324 1615024 252 01:00:01 5781308 7499796 290876 3.58 61828 1837008 536604 5.84 466504 1615496 124 01:10:01 5787636 7506616 284056 3.49 61996 1837332 536608 5.84 466548 1615988 132 01:20:01 5780572 7500244 290432 3.57 62184 1837836 536744 5.85 466844 1616560 184 01:30:01 5778580 7498948 291604 3.59 62388 1838324 536804 5.85 466780 1617096 248 Average: 5784194 7503295 287362 3.53 62016 1837436 536666 5.85 466600 1616033 188 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.86 0.14 0.53 0.12 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.81 0.08 0.11 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.98 0.06 10.10 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.55 0.10 0.14 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.05 0.07 0.03 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 1.30 0.09 2.19 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-1856) 04/11/26 _x86_64_ (2 CPU) 00:34:22 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.22 0.00 0.08 0.01 0.04 99.65 00:50:01 0 0.39 0.00 0.08 0.01 0.03 99.50 00:50:01 1 0.06 0.00 0.08 0.02 0.04 99.80 01:00:01 all 0.25 0.00 0.16 0.01 0.04 99.54 01:00:01 0 0.19 0.00 0.16 0.02 0.04 99.58 01:00:01 1 0.31 0.00 0.15 0.00 0.03 99.50 01:10:01 all 0.27 0.00 0.06 0.01 0.04 99.62 01:10:01 0 0.05 0.00 0.08 0.01 0.06 99.80 01:10:01 1 0.49 0.00 0.04 0.01 0.03 99.44 01:20:01 all 0.27 0.00 0.07 0.16 0.03 99.46 01:20:01 0 0.26 0.00 0.08 0.25 0.03 99.37 01:20:01 1 0.28 0.00 0.06 0.08 0.03 99.55 01:30:01 all 0.25 0.00 0.17 1.86 0.04 97.68 01:30:01 0 0.07 0.00 0.20 3.01 0.05 96.67 01:30:01 1 0.43 0.00 0.13 0.72 0.03 98.70 Average: all 0.25 0.00 0.11 0.41 0.04 99.19 Average: 0 0.19 0.00 0.12 0.66 0.04 98.99 Average: 1 0.31 0.00 0.09 0.16 0.03 99.40