---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20866 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 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 796 5117 4 2319 7145 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:ad:53:4d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.121/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80605sec preferred_lft 80605sec inet6 fe80::f816:3eff:fead:534d/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-20866) 05/28/26 _x86_64_ (2 CPU) 06:46:58 LINUX RESTART (2 CPU) 06:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:03 14.05 0.03 1.52 12.50 1.38 18.73 109672.19 07:10:01 1.17 0.01 1.16 0.00 0.05 14.63 0.12 07:20:01 1.17 0.00 1.16 0.00 0.01 14.29 0.12 07:30:03 1.34 0.00 1.33 0.01 0.00 17.58 869.13 07:40:01 1.70 0.26 1.43 0.01 32.16 74.12 3.62 07:50:01 1.18 0.00 1.18 0.00 0.00 14.68 0.00 08:00:03 24.95 3.17 19.49 2.29 232.10 3420.08 590.23 08:10:01 1.33 0.00 1.31 0.02 0.00 43.09 1.23 08:20:01 1.40 0.00 1.38 0.02 0.35 65.59 1.20 Average: 5.38 0.39 3.34 1.66 29.65 410.65 12391.97 06:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:03 6283164 7534752 285652 3.51 30628 1426552 529968 5.77 449372 1187360 296 07:10:01 6279384 7531448 288924 3.55 30808 1426872 531724 5.79 452280 1187836 164 07:20:01 6286972 7539536 280836 3.45 30968 1427200 531724 5.79 452488 1188328 176 07:30:03 6290552 7543680 276716 3.40 31168 1427528 532060 5.80 452760 1188884 224 07:40:01 6231408 7511808 308000 3.79 31532 1454056 532064 5.80 462276 1206576 260 07:50:01 6246344 7527268 292524 3.60 31708 1454408 532064 5.80 462456 1207096 280 08:00:03 5183792 7382296 385324 4.74 87204 2271944 659228 7.18 625088 2034244 296 08:10:01 5157432 7364464 403128 4.96 87388 2280312 678072 7.39 643072 2042772 712 08:20:01 5113164 7334884 432700 5.32 87536 2294824 714756 7.79 672632 2057356 600 Average: 5896912 7474460 328200 4.04 49882 1718188 582407 6.34 519158 1477828 334 06:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:03 ens3 1.71 0.08 0.23 0.05 0.00 0.00 0.00 0.00 07:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:10:01 ens3 0.84 0.16 0.23 0.13 0.00 0.00 0.00 0.00 07:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:20:01 ens3 0.41 0.04 0.25 0.03 0.00 0.00 0.00 0.00 07:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:03 ens3 0.57 0.09 0.28 0.08 0.00 0.00 0.00 0.00 07:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 0.61 0.40 3.19 0.72 0.00 0.00 0.00 0.00 07:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:50:01 ens3 0.23 0.07 0.07 0.03 0.00 0.00 0.00 0.00 08:00:03 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 08:00:03 ens3 47.36 32.09 310.93 8.37 0.00 0.00 0.00 0.00 08:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:10:01 ens3 10.07 6.57 1.74 1.75 0.00 0.00 0.00 0.00 08:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 08:20:01 ens3 14.90 13.37 2.69 5.67 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.54 5.89 35.65 1.87 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20866) 05/28/26 _x86_64_ (2 CPU) 06:46:58 LINUX RESTART (2 CPU) 06:50:01 CPU %user %nice %system %iowait %steal %idle 07:00:03 all 0.29 0.00 0.21 0.86 0.04 98.59 07:00:03 0 0.40 0.00 0.20 0.17 0.04 99.19 07:00:03 1 0.18 0.00 0.22 1.55 0.05 97.99 07:10:01 all 0.31 0.00 0.09 0.02 0.12 99.46 07:10:01 0 0.36 0.00 0.08 0.01 0.13 99.42 07:10:01 1 0.26 0.00 0.09 0.03 0.11 99.50 07:20:01 all 0.24 0.00 0.08 0.01 0.02 99.66 07:20:01 0 0.42 0.00 0.07 0.00 0.01 99.50 07:20:01 1 0.06 0.00 0.09 0.01 0.02 99.82 07:30:03 all 0.24 0.00 0.17 0.01 0.02 99.56 07:30:03 0 0.38 0.00 0.15 0.01 0.01 99.44 07:30:03 1 0.09 0.00 0.19 0.01 0.02 99.69 07:40:01 all 0.35 0.00 0.10 0.03 0.02 99.51 07:40:01 0 0.54 0.00 0.10 0.04 0.01 99.31 07:40:01 1 0.17 0.00 0.10 0.01 0.02 99.71 07:50:01 all 0.25 0.00 0.07 0.01 0.02 99.66 07:50:01 0 0.45 0.00 0.07 0.02 0.02 99.44 07:50:01 1 0.04 0.00 0.07 0.00 0.02 99.87 08:00:03 all 12.07 0.00 1.79 0.76 0.05 85.34 08:00:03 0 10.76 0.00 1.60 0.97 0.04 86.62 08:00:03 1 13.37 0.00 1.98 0.54 0.05 84.05 08:10:01 all 3.33 0.00 0.26 0.03 0.04 96.34 08:10:01 0 5.32 0.00 0.32 0.04 0.05 94.27 08:10:01 1 1.34 0.00 0.20 0.02 0.03 98.41 08:20:01 all 5.40 0.00 0.55 0.02 0.04 93.98 08:20:01 0 4.24 0.00 0.46 0.04 0.04 95.21 08:20:01 1 6.55 0.00 0.64 0.01 0.05 92.75 Average: all 2.50 0.00 0.37 0.19 0.04 96.90 Average: 0 2.54 0.00 0.34 0.14 0.04 96.93 Average: 1 2.45 0.00 0.40 0.24 0.04 96.86