---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39070 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: 5600.00 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 755 4955 4 2540 7186 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:de:5e:7d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81894sec preferred_lft 81894sec inet6 fe80::f816:3eff:fede:5e7d/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-39070) 07/26/26 _x86_64_ (2 CPU) 02:36:50 LINUX RESTART (2 CPU) 02:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:06 1.18 0.03 1.16 0.00 1.24 14.55 0.12 03:00:06 1.58 0.01 1.54 0.03 0.05 18.92 654.75 03:10:06 1.93 0.25 1.65 0.02 30.97 76.64 1.09 03:20:06 1.40 0.01 1.39 0.00 1.07 16.69 0.05 03:30:06 1.67 0.00 1.65 0.01 0.00 19.69 435.69 03:40:06 15.56 13.54 1.97 0.05 151.12 43.76 6.16 03:50:06 24.41 2.86 19.05 2.50 225.52 3540.46 1836.57 Average: 6.82 2.38 4.06 0.37 58.57 532.97 419.21 02:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:06 6278368 7530548 290076 3.57 30616 1427176 521772 5.68 447512 1187592 196 03:00:06 6289044 7541808 278808 3.43 30852 1427508 522032 5.69 447964 1188152 256 03:10:06 6244340 7524420 295620 3.64 31216 1454100 722460 7.87 462452 1206352 156 03:20:06 6252152 7533060 287048 3.53 31396 1454736 522164 5.69 457224 1206856 88 03:30:06 6254220 7535800 284312 3.50 31572 1455192 522700 5.69 458124 1207360 164 03:40:06 6191364 7530044 280964 3.45 35704 1499816 522764 5.69 459008 1255508 108 03:50:06 5084632 7364768 392672 4.83 91764 2339516 623820 6.79 620428 2105544 11396 Average: 6084874 7508635 301357 3.71 40446 1579721 565387 6.16 478959 1336766 1766 02:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 1.34 0.10 0.27 0.04 0.00 0.00 0.00 0.00 03:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:06 ens3 0.54 0.10 0.11 0.06 0.00 0.00 0.00 0.00 03:10:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:06 ens3 0.57 0.21 3.24 0.03 0.00 0.00 0.00 0.00 03:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:06 ens3 0.34 0.04 0.17 0.01 0.00 0.00 0.00 0.00 03:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:06 ens3 0.43 0.18 0.12 0.48 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 0.39 0.10 0.12 0.07 0.00 0.00 0.00 0.00 03:50:06 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:50:06 ens3 111.70 79.88 335.94 19.50 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 16.47 11.52 48.57 2.88 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-39070) 07/26/26 _x86_64_ (2 CPU) 02:36:50 LINUX RESTART (2 CPU) 02:40:06 CPU %user %nice %system %iowait %steal %idle 02:50:06 all 0.26 0.00 0.09 0.08 0.02 99.56 02:50:06 0 0.45 0.00 0.08 0.02 0.01 99.44 02:50:06 1 0.06 0.00 0.09 0.14 0.02 99.69 03:00:06 all 0.30 0.00 0.18 0.02 0.02 99.49 03:00:06 0 0.40 0.00 0.17 0.01 0.02 99.41 03:00:06 1 0.21 0.00 0.19 0.03 0.02 99.56 03:10:06 all 0.38 0.00 0.11 0.03 0.02 99.46 03:10:06 0 0.34 0.00 0.15 0.03 0.02 99.47 03:10:06 1 0.42 0.00 0.08 0.04 0.02 99.45 03:20:06 all 0.25 0.00 0.09 0.02 0.01 99.63 03:20:06 0 0.18 0.00 0.10 0.01 0.02 99.70 03:20:06 1 0.32 0.00 0.08 0.03 0.01 99.56 03:30:06 all 0.27 0.00 0.18 0.01 0.01 99.52 03:30:06 0 0.27 0.00 0.18 0.01 0.01 99.53 03:30:06 1 0.27 0.00 0.18 0.02 0.02 99.51 03:40:06 all 0.26 0.18 0.15 0.15 0.02 99.25 03:40:06 0 0.18 0.01 0.10 0.01 0.02 99.69 03:40:06 1 0.33 0.36 0.20 0.30 0.02 98.80 03:50:06 all 12.92 0.00 1.90 0.67 0.05 84.45 03:50:06 0 10.15 0.00 1.77 0.64 0.04 87.39 03:50:06 1 15.69 0.00 2.04 0.70 0.05 81.51 Average: all 2.09 0.03 0.38 0.14 0.02 97.34 Average: 0 1.71 0.00 0.36 0.10 0.02 97.81 Average: 1 2.47 0.05 0.41 0.18 0.02 96.87