---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-16177 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 8.2G 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 776 4884 4 2580 7165 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:16:e6:60 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5511sec preferred_lft 5511sec inet6 fe80::f816:3eff:fe16:e660/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16177) 05/19/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:02 1.82 0.01 1.79 0.01 0.81 21.32 0.20 00:20:02 1.98 0.11 1.84 0.04 3.05 25.49 528.54 00:30:01 1.68 0.00 1.66 0.02 0.00 19.13 0.40 00:40:02 23.63 3.00 18.43 2.20 225.65 3157.91 888.61 00:50:02 1.43 0.00 1.41 0.01 0.00 16.48 1.08 01:00:01 1.64 0.00 1.61 0.03 0.00 19.76 1.44 01:10:02 1.69 0.00 1.66 0.03 0.00 273.78 2.89 01:20:02 1.65 0.00 1.62 0.03 0.00 242.75 3.23 01:30:02 1.78 0.00 1.74 0.03 0.00 20.51 1.44 Average: 4.15 0.35 3.53 0.27 25.53 422.24 158.73 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:02 6130296 7526680 282224 3.47 54408 1537944 552980 6.02 467640 1309156 372 00:20:02 6142984 7501300 307384 3.78 54560 1499676 605764 6.60 471476 1270816 304 00:30:01 6151144 7509908 298844 3.67 54680 1499992 550752 6.00 466212 1271260 124 00:40:02 5010352 7208080 552972 6.80 103768 2249080 802092 8.74 748656 2024188 312 00:50:02 4920892 7119080 642024 7.89 103884 2249464 898404 9.79 844364 2024692 324 01:00:01 4890268 7089092 671948 8.26 104028 2249960 950492 10.35 879156 2025332 300 01:10:02 4873136 7158452 601788 7.40 104164 2335608 900900 9.81 830704 2111088 8592 01:20:02 4705140 7050936 708316 8.71 104296 2395100 972708 10.59 903048 2170740 236 01:30:02 4756556 7102900 656280 8.07 104408 2395524 933348 10.17 863540 2171276 240 Average: 5286752 7251825 524642 6.45 87577 2045816 796382 8.67 719422 1819839 1200 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:02 ens3 0.29 0.08 0.09 0.04 0.00 0.00 0.00 0.00 00:20:02 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:02 ens3 0.16 0.06 0.04 0.02 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 0.51 0.12 0.18 0.10 0.00 0.00 0.00 0.00 00:40:02 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 00:40:02 ens3 80.61 63.59 631.00 14.01 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 22.49 18.68 306.50 1.33 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 74.84 72.06 1190.48 4.74 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 28.92 27.18 464.70 1.84 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 31.79 30.72 508.81 2.12 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 5.88 5.03 76.66 0.38 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 27.28 24.17 353.13 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-16177) 05/19/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:02 all 0.24 0.00 0.10 0.01 0.02 99.63 00:10:02 0 0.06 0.00 0.11 0.01 0.03 99.80 00:10:02 1 0.43 0.00 0.10 0.01 0.02 99.45 00:20:02 all 0.67 0.00 0.22 0.01 0.02 99.07 00:20:02 0 0.50 0.00 0.24 0.01 0.03 99.23 00:20:02 1 0.83 0.00 0.21 0.02 0.02 98.92 00:30:01 all 0.26 0.00 0.17 0.01 0.02 99.54 00:30:01 0 0.18 0.00 0.16 0.00 0.02 99.64 00:30:01 1 0.33 0.00 0.18 0.02 0.02 99.45 00:40:02 all 10.80 0.00 1.75 0.49 0.05 86.91 00:40:02 0 11.91 0.00 1.85 0.57 0.05 85.61 00:40:02 1 9.69 0.00 1.66 0.40 0.05 88.20 00:50:02 all 0.46 0.00 0.21 0.01 0.04 99.27 00:50:02 0 0.41 0.00 0.09 0.00 0.03 99.47 00:50:02 1 0.51 0.00 0.33 0.01 0.06 99.08 01:00:01 all 1.07 0.00 0.61 0.01 0.05 98.26 01:00:01 0 1.56 0.00 1.00 0.00 0.07 97.37 01:00:01 1 0.58 0.00 0.22 0.02 0.03 99.14 01:10:02 all 0.79 0.00 0.26 0.02 0.05 98.88 01:10:02 0 1.05 0.00 0.42 0.02 0.07 98.45 01:10:02 1 0.53 0.00 0.11 0.02 0.03 99.32 01:20:02 all 0.77 0.00 0.25 0.01 0.05 98.91 01:20:02 0 0.92 0.00 0.32 0.02 0.06 98.69 01:20:02 1 0.63 0.00 0.18 0.01 0.05 99.14 01:30:02 all 0.49 0.00 0.26 0.01 0.05 99.19 01:30:02 0 0.60 0.00 0.28 0.01 0.04 99.07 01:30:02 1 0.38 0.00 0.25 0.00 0.06 99.31 Average: all 1.73 0.00 0.43 0.06 0.04 97.74 Average: 0 1.91 0.00 0.49 0.07 0.04 97.48 Average: 1 1.55 0.00 0.36 0.06 0.04 98.00