---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53402 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 8.0G 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 771 5184 4 2274 7170 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:ea:a4:c7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.9/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80946sec preferred_lft 80946sec inet6 fe80::f816:3eff:feea:a4c7/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53402) 03/27/26 _x86_64_ (2 CPU) 05:13:54 LINUX RESTART (2 CPU) 05:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:17 1.55 0.01 1.53 0.01 0.05 18.42 637.49 05:40:07 1.36 0.00 1.36 0.00 0.00 15.81 0.00 05:50:17 1.36 0.00 1.35 0.00 0.45 15.66 0.12 06:00:01 2.21 0.35 1.84 0.02 42.90 77.19 447.76 06:10:07 1.40 0.00 1.40 0.00 0.00 16.21 0.05 06:20:17 21.02 2.98 15.86 2.19 222.53 3084.67 1242.78 06:30:17 2.14 0.02 2.08 0.05 0.57 76.07 1.89 06:40:17 1.48 0.00 1.41 0.06 0.35 88.51 1.71 Average: 4.10 0.42 3.38 0.30 33.57 428.91 293.71 05:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:17 6297080 7543888 276880 3.40 30636 1421848 532420 5.80 450324 1183248 148 05:40:07 6298032 7545344 275420 3.39 30804 1422180 532620 5.80 450516 1183748 156 05:50:17 6296268 7544200 276556 3.40 30984 1422616 538192 5.86 452324 1184248 160 06:00:01 6238444 7515820 304060 3.74 31372 1451264 537148 5.85 462612 1201544 244 06:10:07 6246256 7524344 295680 3.64 31536 1451800 532640 5.80 462832 1202036 172 06:20:17 5363284 7470760 301224 3.70 84860 2186764 565016 6.15 545144 1945208 2332 06:30:17 5293476 7413328 358532 4.41 85076 2198972 661508 7.21 598404 1957624 216 06:40:17 5269576 7412140 359672 4.42 85308 2221476 656096 7.15 601736 1980228 1760 Average: 5912802 7496228 306003 3.76 51322 1722115 569455 6.20 502986 1479736 648 05:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:17 ens3 0.76 0.10 0.14 0.06 0.00 0.00 0.00 0.00 05:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:07 ens3 0.38 0.04 0.05 0.01 0.00 0.00 0.00 0.00 05:50:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:17 ens3 0.35 0.03 0.06 0.01 0.00 0.00 0.00 0.00 06:00:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 0.53 0.26 3.16 0.05 0.00 0.00 0.00 0.00 06:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:07 ens3 0.26 0.03 0.05 0.01 0.00 0.00 0.00 0.00 06:20:17 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 06:20:17 ens3 48.76 34.50 291.73 10.49 0.00 0.00 0.00 0.00 06:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:30:17 ens3 39.34 32.21 8.32 4.13 0.00 0.00 0.00 0.00 06:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:40:17 ens3 46.05 44.96 9.95 6.20 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 17.10 14.04 39.65 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53402) 03/27/26 _x86_64_ (2 CPU) 05:13:54 LINUX RESTART (2 CPU) 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:17 all 0.29 0.00 0.16 0.01 0.02 99.52 05:30:17 0 0.37 0.00 0.16 0.01 0.02 99.44 05:30:17 1 0.20 0.00 0.17 0.01 0.03 99.59 05:40:07 all 0.27 0.00 0.07 0.01 0.02 99.63 05:40:07 0 0.23 0.00 0.07 0.00 0.02 99.68 05:40:07 1 0.31 0.00 0.07 0.02 0.02 99.58 05:50:17 all 0.25 0.00 0.08 0.01 0.02 99.64 05:50:17 0 0.05 0.00 0.11 0.00 0.02 99.81 05:50:17 1 0.45 0.00 0.05 0.01 0.01 99.47 06:00:01 all 0.43 0.00 0.20 0.02 0.02 99.32 06:00:01 0 0.33 0.00 0.23 0.02 0.02 99.39 06:00:01 1 0.53 0.00 0.17 0.03 0.02 99.26 06:10:07 all 0.27 0.00 0.07 0.01 0.02 99.64 06:10:07 0 0.20 0.00 0.07 0.01 0.01 99.70 06:10:07 1 0.33 0.00 0.07 0.01 0.02 99.57 06:20:17 all 10.81 0.00 1.64 0.46 0.04 87.05 06:20:17 0 10.50 0.00 1.59 0.42 0.04 87.45 06:20:17 1 11.11 0.00 1.69 0.50 0.05 86.66 06:30:17 all 5.84 0.00 0.58 0.02 0.06 93.51 06:30:17 0 6.70 0.00 0.59 0.01 0.06 92.64 06:30:17 1 4.99 0.00 0.56 0.02 0.06 94.37 06:40:17 all 7.94 0.00 0.51 0.01 0.06 91.48 06:40:17 0 7.57 0.00 0.53 0.01 0.06 91.82 06:40:17 1 8.31 0.00 0.48 0.01 0.06 91.14 Average: all 3.26 0.00 0.41 0.07 0.03 96.22 Average: 0 3.25 0.00 0.42 0.06 0.03 96.24 Average: 1 3.28 0.00 0.41 0.08 0.03 96.20