---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30995 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 7.9G 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 747 5216 4 2271 7194 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:f4:36:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82048sec preferred_lft 82048sec inet6 fe80::f816:3eff:fef4:36b6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30995) 06/27/26 _x86_64_ (2 CPU) 01:48:15 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 14.13 0.03 1.54 12.56 1.39 18.66 109815.02 02:10:17 1.83 0.26 1.56 0.02 31.24 73.60 0.57 02:20:01 1.39 0.00 1.39 0.00 0.01 15.68 0.00 02:30:01 1.55 0.00 1.54 0.01 0.00 18.08 436.33 02:40:17 1.43 0.00 1.43 0.00 0.00 16.29 0.00 02:50:01 1.36 0.00 1.36 0.00 0.00 15.76 0.00 03:00:01 27.82 3.08 21.48 3.26 233.71 3728.06 3163.24 Average: 7.07 0.48 4.33 2.26 38.16 555.29 16206.52 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6299016 7550656 269988 3.32 30644 1426608 530828 5.78 447168 1187404 240 02:10:17 6262708 7541780 278316 3.42 31032 1453300 530892 5.78 456664 1205396 276 02:20:01 6262008 7541548 278552 3.43 31196 1453584 530892 5.78 456688 1205856 240 02:30:01 6264176 7544240 275736 3.39 31380 1453912 530952 5.78 456892 1206368 124 02:40:17 6263204 7543928 276040 3.39 31548 1454400 531116 5.78 457368 1206896 172 02:50:01 6265028 7546220 273740 3.37 31712 1454696 531360 5.79 458300 1207356 240 03:00:01 5389416 7409160 366968 4.51 88552 2099460 597388 6.51 577840 1861780 24988 Average: 6143651 7525362 288477 3.55 39438 1542280 540490 5.89 472989 1297294 3754 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.52 0.09 0.29 0.04 0.00 0.00 0.00 0.00 02:10:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 1.08 0.45 3.14 0.04 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.74 0.05 2.41 0.02 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.69 0.08 0.85 0.03 0.00 0.00 0.00 0.00 02:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.37 0.10 0.11 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.56 0.21 0.16 0.54 0.00 0.00 0.00 0.00 03:00:01 lo 1.34 1.34 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 163.79 135.34 1701.36 88.12 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 24.11 19.47 244.00 12.69 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30995) 06/27/26 _x86_64_ (2 CPU) 01:48:15 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.34 0.00 0.18 0.03 0.02 99.42 02:00:01 0 0.36 0.00 0.17 0.01 0.02 99.43 02:00:01 1 0.32 0.00 0.19 0.05 0.02 99.41 02:10:17 all 0.41 0.00 0.11 0.02 0.02 99.44 02:10:17 0 0.30 0.00 0.15 0.03 0.03 99.49 02:10:17 1 0.52 0.00 0.06 0.00 0.02 99.40 02:20:01 all 0.27 0.00 0.09 0.01 0.02 99.61 02:20:01 0 0.37 0.00 0.09 0.00 0.02 99.51 02:20:01 1 0.17 0.00 0.08 0.01 0.03 99.72 02:30:01 all 0.27 0.00 0.16 0.01 0.02 99.53 02:30:01 0 0.32 0.00 0.15 0.01 0.02 99.50 02:30:01 1 0.22 0.00 0.17 0.01 0.03 99.56 02:40:17 all 0.25 0.00 0.07 0.01 0.03 99.65 02:40:17 0 0.05 0.00 0.08 0.00 0.03 99.84 02:40:17 1 0.44 0.00 0.05 0.01 0.02 99.47 02:50:01 all 0.25 0.00 0.07 0.04 0.02 99.62 02:50:01 0 0.25 0.00 0.08 0.01 0.02 99.64 02:50:01 1 0.25 0.00 0.06 0.06 0.02 99.61 03:00:01 all 18.44 0.00 2.57 0.61 0.07 78.31 03:00:01 0 12.20 0.00 2.03 0.41 0.06 85.30 03:00:01 1 24.69 0.00 3.10 0.82 0.08 71.31 Average: all 2.88 0.00 0.46 0.10 0.03 96.53 Average: 0 1.97 0.00 0.39 0.07 0.03 97.54 Average: 1 3.79 0.00 0.53 0.14 0.03 95.51