---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8123 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 8.1G 30G 22% / 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 759 5015 4 2457 7182 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:a1:5a:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.46/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81780sec preferred_lft 81780sec inet6 fe80::f816:3eff:fea1:5a69/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8123) 04/26/26 _x86_64_ (2 CPU) 00:16:42 LINUX RESTART (2 CPU) 00:20:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:24 2.12 0.34 1.74 0.03 41.31 76.53 436.47 00:40:24 22.13 3.03 16.87 2.23 228.07 3153.71 533.47 00:50:15 1.20 0.00 1.19 0.01 0.00 14.89 0.87 01:00:05 1.44 0.00 1.42 0.02 0.00 18.56 0.71 01:10:24 1.44 0.00 1.42 0.01 0.00 258.41 1.98 01:20:24 1.55 0.00 1.52 0.03 0.00 198.43 4.11 01:30:24 1.69 0.00 1.65 0.04 0.00 20.83 4.37 Average: 4.51 0.48 3.69 0.34 38.48 535.54 140.29 00:20:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:24 6246260 7522396 297564 3.66 30812 1450836 528616 5.76 450068 1200324 128 00:40:24 5102824 7214268 557636 6.86 84288 2191496 807152 8.79 767000 1948900 192 00:50:15 4996700 7108624 663304 8.16 84416 2191864 902392 9.83 862564 1949400 176 01:00:05 5032720 7145316 626372 7.70 84564 2192384 874168 9.52 816980 1950060 280 01:10:24 5012508 7215328 555564 6.83 84748 2281628 838500 9.13 782716 2039496 14252 01:20:24 4795804 7039864 730368 8.98 84932 2322120 964372 10.50 908984 2080044 124 01:30:24 4875564 7120284 649836 7.99 85136 2322564 896264 9.76 840176 2080692 184 Average: 5151769 7195154 582949 7.17 76985 2136127 830209 9.04 775498 1892702 2191 00:20:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:24 ens3 1.39 0.26 3.19 0.05 0.00 0.00 0.00 0.00 00:40:24 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:24 ens3 82.42 62.61 682.95 12.84 0.00 0.00 0.00 0.00 00:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:15 ens3 18.40 17.08 310.39 1.15 0.00 0.00 0.00 0.00 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 70.02 64.56 1231.01 4.26 0.00 0.00 0.00 0.00 01:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 30.56 29.40 520.11 1.98 0.00 0.00 0.00 0.00 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 31.52 29.20 483.81 1.98 0.00 0.00 0.00 0.00 01:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 11.92 11.14 182.26 0.77 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 35.11 30.55 486.40 3.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8123) 04/26/26 _x86_64_ (2 CPU) 00:16:42 LINUX RESTART (2 CPU) 00:20:24 CPU %user %nice %system %iowait %steal %idle 00:30:24 all 0.38 0.00 0.21 0.03 0.04 99.35 00:30:24 0 0.41 0.00 0.19 0.03 0.03 99.35 00:30:24 1 0.36 0.00 0.22 0.03 0.05 99.35 00:40:24 all 11.18 0.00 1.73 0.52 0.06 86.52 00:40:24 0 9.34 0.00 1.68 0.62 0.06 88.30 00:40:24 1 13.01 0.00 1.77 0.42 0.06 84.74 00:50:15 all 0.47 0.00 0.20 0.01 0.08 99.24 00:50:15 0 0.53 0.00 0.16 0.01 0.06 99.24 00:50:15 1 0.42 0.00 0.24 0.01 0.09 99.24 01:00:05 all 1.06 0.00 0.62 0.01 0.08 98.23 01:00:05 0 1.43 0.00 0.92 0.01 0.10 97.53 01:00:05 1 0.68 0.00 0.32 0.01 0.05 98.94 01:10:24 all 0.87 0.00 0.27 0.01 0.09 98.77 01:10:24 0 0.78 0.00 0.32 0.00 0.09 98.81 01:10:24 1 0.95 0.00 0.21 0.02 0.09 98.73 01:20:24 all 0.72 0.00 0.25 0.02 0.09 98.92 01:20:24 0 0.60 0.00 0.16 0.02 0.07 99.15 01:20:24 1 0.85 0.00 0.33 0.02 0.11 98.69 01:30:24 all 0.48 0.00 0.27 0.01 0.08 99.16 01:30:24 0 0.44 0.00 0.37 0.01 0.11 99.07 01:30:24 1 0.51 0.00 0.18 0.01 0.06 99.25 Average: all 2.17 0.00 0.51 0.09 0.07 97.17 Average: 0 1.93 0.00 0.54 0.10 0.07 97.35 Average: 1 2.40 0.00 0.47 0.07 0.07 96.99