---> uname -a: Linux prd-queue-disttest-2c-1g-21100 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 700 5438 4 2089 7240 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:96:78:ba brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82081sec preferred_lft 82081sec inet6 fe80::f816:3eff:fe96:78ba/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-21100) 05/29/26 _x86_64_ (2 CPU) 06:49:01 LINUX RESTART (2 CPU) 06:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:01 5.40 0.07 5.11 0.22 6.65 1377.07 24.66 07:10:01 1.12 0.01 1.09 0.02 0.05 14.49 0.99 07:20:01 14.14 0.01 1.19 12.95 0.16 15.15 107579.49 07:30:01 1.55 0.00 1.52 0.03 0.00 19.17 1.43 07:40:01 1.89 0.26 1.61 0.02 31.44 75.55 1.25 07:50:01 1.48 0.02 1.43 0.03 1.20 17.65 1.41 08:00:01 1.61 0.07 1.51 0.02 8.71 31.49 0.48 Average: 3.88 0.06 1.92 1.90 6.89 221.18 15378.45 06:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 5693124 7493148 293760 3.61 63052 1913880 533860 5.81 471256 1693652 136 07:10:01 5692620 7493152 293576 3.61 63240 1914204 533824 5.81 471128 1694164 188 07:20:01 5692368 7493452 293308 3.61 63432 1914568 534132 5.82 471392 1694692 136 07:30:01 5686836 7488440 298284 3.67 63608 1914908 534224 5.82 471488 1695208 124 07:40:01 5638700 7467088 319376 3.93 63908 1941164 744420 8.11 488260 1712884 124 07:50:01 5661820 7491240 295180 3.63 64100 1941984 534224 5.82 480896 1713452 124 08:00:01 5674084 7450604 335148 4.12 65252 1887400 571868 6.23 517012 1659924 16156 Average: 5677079 7482446 304090 3.74 63799 1918301 569507 6.20 481633 1694854 2427 06:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:00:01 ens3 6.37 2.86 48.43 0.47 0.00 0.00 0.00 0.00 07:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:01 ens3 1.31 0.08 0.22 0.06 0.00 0.00 0.00 0.00 07:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:01 ens3 0.78 0.12 0.18 0.08 0.00 0.00 0.00 0.00 07:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:01 ens3 1.22 0.22 3.06 0.16 0.00 0.00 0.00 0.00 07:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 0.63 0.23 3.50 0.03 0.00 0.00 0.00 0.00 07:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:01 ens3 0.24 0.05 0.05 0.02 0.00 0.00 0.00 0.00 08:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:00:01 ens3 0.45 0.16 0.22 0.10 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 1.57 0.53 7.94 0.13 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-21100) 05/29/26 _x86_64_ (2 CPU) 06:49:01 LINUX RESTART (2 CPU) 06:50:02 CPU %user %nice %system %iowait %steal %idle 07:00:01 all 1.44 0.00 0.37 0.06 0.03 98.10 07:00:01 0 0.51 0.00 0.29 0.10 0.02 99.08 07:00:01 1 2.37 0.00 0.44 0.03 0.03 97.13 07:10:01 all 0.23 0.00 0.08 0.01 0.02 99.65 07:10:01 0 0.39 0.00 0.06 0.01 0.02 99.53 07:10:01 1 0.07 0.00 0.11 0.02 0.02 99.78 07:20:01 all 0.26 0.00 0.08 0.03 0.02 99.61 07:20:01 0 0.35 0.00 0.08 0.06 0.02 99.49 07:20:01 1 0.17 0.00 0.08 0.00 0.03 99.72 07:30:01 all 0.26 0.00 0.17 0.01 0.02 99.55 07:30:01 0 0.08 0.00 0.17 0.00 0.03 99.73 07:30:01 1 0.45 0.00 0.17 0.01 0.02 99.36 07:40:01 all 0.35 0.00 0.10 0.02 0.02 99.51 07:40:01 0 0.35 0.00 0.12 0.02 0.02 99.49 07:40:01 1 0.34 0.00 0.09 0.01 0.02 99.53 07:50:01 all 0.27 0.00 0.09 0.01 0.02 99.61 07:50:01 0 0.44 0.00 0.06 0.00 0.01 99.49 07:50:01 1 0.10 0.00 0.12 0.02 0.03 99.74 08:00:01 all 0.51 0.00 0.21 0.01 0.02 99.25 08:00:01 0 0.91 0.00 0.22 0.01 0.01 98.84 08:00:01 1 0.10 0.00 0.20 0.01 0.03 99.66 Average: all 0.47 0.00 0.16 0.02 0.02 99.33 Average: 0 0.43 0.00 0.14 0.03 0.02 99.38 Average: 1 0.51 0.00 0.17 0.02 0.03 99.28