---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-466 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 8.0G 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 743 5205 4 2285 7198 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:56:40:33 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82015sec preferred_lft 82015sec inet6 fe80::f816:3eff:fe56:4033/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-466) 07/30/26 _x86_64_ (2 CPU) 00:39:21 LINUX RESTART (2 CPU) 00:40:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 2.20 0.29 1.87 0.05 33.65 88.96 221.44 01:00:12 1.50 0.01 1.46 0.03 0.05 17.92 431.78 01:10:11 1.22 0.00 1.20 0.02 0.00 14.67 1.20 01:20:11 1.18 0.00 1.16 0.02 0.01 14.55 1.20 01:30:12 14.21 0.00 1.64 12.56 0.15 20.65 109634.59 01:40:00 14.30 1.53 11.81 0.96 113.97 1675.86 440.64 01:50:14 12.37 1.32 9.64 1.41 111.54 1844.20 290.41 Average: 6.71 0.45 4.11 2.15 37.03 526.27 15868.98 00:40:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 6261488 7535568 284492 3.50 30720 1448676 529816 5.77 456880 1200928 200 01:00:12 6270952 7545604 274356 3.37 30936 1449012 529816 5.77 456820 1201476 124 01:10:11 6270504 7545688 274292 3.37 31136 1449344 530052 5.77 460860 1202004 176 01:20:11 6275708 7551416 268552 3.30 31340 1449648 530060 5.77 461252 1202520 172 01:30:12 6266944 7543472 276300 3.40 31608 1450180 585484 6.38 467072 1203144 160 01:40:00 5479572 7415896 363568 4.47 71796 2035700 619016 6.74 574056 1812504 212508 01:50:14 5195980 7408096 358296 4.41 87528 2284176 637312 6.94 596952 2047488 556 Average: 6003021 7506534 299979 3.69 45009 1652391 565937 6.16 496270 1410009 30557 00:40:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 2.78 0.31 3.66 0.08 0.00 0.00 0.00 0.00 01:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:12 ens3 0.40 0.05 0.05 0.01 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.39 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.44 0.11 0.13 0.08 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.57 0.28 0.16 0.67 0.00 0.00 0.00 0.00 01:40:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:40:00 ens3 41.05 25.65 283.03 6.04 0.00 0.00 0.00 0.00 01:50:14 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:50:14 ens3 76.54 55.05 48.76 12.36 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 17.58 11.75 47.32 2.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-466) 07/30/26 _x86_64_ (2 CPU) 00:39:21 LINUX RESTART (2 CPU) 00:40:11 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.45 0.00 0.20 0.03 0.03 99.28 00:50:05 0 0.52 0.00 0.21 0.03 0.03 99.22 00:50:05 1 0.39 0.00 0.19 0.04 0.04 99.34 01:00:12 all 0.26 0.00 0.17 0.02 0.03 99.52 01:00:12 0 0.11 0.00 0.17 0.02 0.03 99.67 01:00:12 1 0.41 0.00 0.17 0.02 0.03 99.37 01:10:11 all 0.28 0.00 0.07 0.01 0.03 99.61 01:10:11 0 0.06 0.00 0.08 0.02 0.04 99.81 01:10:11 1 0.50 0.00 0.06 0.01 0.03 99.41 01:20:11 all 0.25 0.00 0.08 0.01 0.04 99.63 01:20:11 0 0.29 0.00 0.07 0.02 0.04 99.58 01:20:11 1 0.21 0.00 0.08 0.01 0.03 99.67 01:30:12 all 0.27 0.00 0.18 0.04 0.03 99.48 01:30:12 0 0.32 0.00 0.19 0.05 0.03 99.41 01:30:12 1 0.22 0.00 0.18 0.02 0.03 99.55 01:40:00 all 6.15 0.00 0.87 0.36 0.04 92.58 01:40:00 0 6.20 0.00 0.91 0.23 0.03 92.62 01:40:00 1 6.10 0.00 0.82 0.49 0.05 92.54 01:50:14 all 9.27 0.00 1.28 0.26 0.06 89.13 01:50:14 0 10.53 0.00 1.42 0.30 0.06 87.69 01:50:14 1 8.01 0.00 1.15 0.22 0.06 90.57 Average: all 2.43 0.00 0.41 0.11 0.04 97.02 Average: 0 2.59 0.00 0.44 0.09 0.04 96.84 Average: 1 2.27 0.00 0.38 0.12 0.04 97.20