---> uname -a: Linux prd-queue-disttest-2c-1g-10927 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 686 5521 4 2017 7255 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:82:78:07 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.112/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82513sec preferred_lft 82513sec inet6 fe80::f816:3eff:fe82:7807/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-10927) 05/05/26 _x86_64_ (2 CPU) 00:33:13 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.23 0.01 1.22 0.00 0.05 15.22 0.36 01:00:02 1.43 0.00 1.40 0.03 0.00 18.18 1.43 01:10:03 1.69 0.25 1.41 0.03 30.95 72.74 1.37 01:20:01 1.19 0.01 1.16 0.02 1.07 14.98 1.04 01:30:03 1.40 0.00 1.37 0.03 0.00 17.33 1.42 Average: 1.39 0.05 1.31 0.02 6.42 27.70 1.12 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5768512 7491816 298936 3.68 61716 1841816 527756 5.75 462920 1620284 36 01:00:02 5763028 7486856 303852 3.74 61904 1842148 527756 5.75 463064 1620804 232 01:10:03 5734596 7484940 305408 3.76 62224 1868076 730536 7.96 477548 1638292 232 01:20:01 5757056 7508224 282128 3.47 62404 1868712 527980 5.75 472612 1638788 132 01:30:03 5748524 7500372 289948 3.57 62580 1869172 527980 5.75 472552 1639304 192 Average: 5754343 7494442 296054 3.64 62166 1857985 568402 6.19 469739 1631494 165 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 2.99 0.11 0.42 0.08 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.66 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.60 0.22 3.15 0.05 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.50 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.30 0.06 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 1.01 0.11 0.78 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-10927) 05/05/26 _x86_64_ (2 CPU) 00:33:13 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.26 0.00 0.07 0.01 0.03 99.63 00:50:01 0 0.46 0.00 0.04 0.02 0.02 99.47 00:50:01 1 0.06 0.00 0.10 0.00 0.05 99.79 01:00:02 all 0.25 0.00 0.15 0.01 0.03 99.56 01:00:02 0 0.24 0.00 0.14 0.01 0.03 99.58 01:00:02 1 0.27 0.00 0.15 0.00 0.03 99.55 01:10:03 all 0.34 0.00 0.09 0.02 0.03 99.52 01:10:03 0 0.22 0.00 0.08 0.02 0.03 99.65 01:10:03 1 0.46 0.00 0.11 0.02 0.03 99.39 01:20:01 all 0.24 0.00 0.07 0.01 0.04 99.66 01:20:01 0 0.04 0.00 0.07 0.00 0.04 99.85 01:20:01 1 0.43 0.00 0.06 0.01 0.03 99.46 01:30:03 all 0.27 0.00 0.16 0.01 0.04 99.53 01:30:03 0 0.10 0.00 0.19 0.00 0.04 99.67 01:30:03 1 0.44 0.00 0.13 0.01 0.03 99.39 Average: all 0.27 0.00 0.11 0.01 0.03 99.58 Average: 0 0.21 0.00 0.10 0.01 0.03 99.64 Average: 1 0.33 0.00 0.11 0.01 0.03 99.52