---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34705 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 775 5132 4 2334 7166 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:ab:66:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.1/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80043sec preferred_lft 80043sec inet6 fe80::f816:3eff:feab:666c/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-34705) 07/11/26 _x86_64_ (2 CPU) 01:41:38 LINUX RESTART (2 CPU) 01:50:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.48 0.01 1.45 0.02 0.05 17.86 881.18 02:10:01 13.98 0.00 1.41 12.56 0.15 16.53 109158.59 02:20:15 1.95 0.25 1.67 0.03 31.32 75.64 1.39 02:30:01 1.62 0.00 1.59 0.03 0.00 19.47 893.80 02:40:01 15.69 13.54 2.08 0.07 151.08 46.42 63.25 02:50:13 1.85 0.39 1.45 0.01 15.51 47.80 0.59 03:00:01 25.03 2.50 20.14 2.40 213.68 3587.59 1165.48 03:10:01 1.30 0.00 1.30 0.00 0.00 15.38 0.00 03:20:05 1.28 0.00 1.28 0.00 0.00 15.35 0.00 Average: 7.08 1.85 3.56 1.68 45.42 419.37 12464.36 01:50:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6294256 7541276 279184 3.43 30684 1422020 528832 5.76 447776 1183540 284 02:10:01 6301596 7549220 271216 3.33 30892 1422396 528832 5.76 447844 1184108 132 02:20:15 6247364 7522544 297360 3.66 31300 1449184 529996 5.77 457080 1202228 192 02:30:01 6257028 7532784 287024 3.53 31520 1449512 530168 5.77 457284 1202776 236 02:40:01 6197652 7530656 280036 3.44 35688 1494264 530384 5.78 458268 1250960 124 02:50:13 6158272 7506392 304088 3.74 36004 1508892 547224 5.96 484032 1264396 208 03:00:01 5121188 7383780 373992 4.60 91032 2323336 665252 7.25 611240 2089816 236 03:10:01 5122168 7385220 372548 4.58 91156 2323684 665252 7.25 611328 2090280 296 03:20:05 5121764 7385292 372484 4.58 91272 2324036 665276 7.25 611516 2090756 180 Average: 5869032 7481907 315326 3.88 52172 1746369 576802 6.28 509596 1506540 210 01:50:08 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 0.62 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.32 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:20:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:15 ens3 1.06 0.23 11.09 0.03 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 0.25 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.36 0.09 0.10 0.06 0.00 0.00 0.00 0.00 02:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:13 ens3 10.49 4.66 19.68 3.12 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 56.20 39.43 307.15 8.72 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 0.94 0.24 0.11 0.03 0.00 0.00 0.00 0.00 03:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:05 ens3 0.33 0.20 0.06 0.03 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 7.75 4.93 37.01 1.33 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-34705) 07/11/26 _x86_64_ (2 CPU) 01:41:38 LINUX RESTART (2 CPU) 01:50:08 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.18 0.01 0.02 99.51 02:00:01 0 0.44 0.00 0.16 0.01 0.02 99.38 02:00:01 1 0.15 0.00 0.19 0.01 0.02 99.63 02:10:01 all 0.27 0.00 0.09 0.04 0.02 99.59 02:10:01 0 0.48 0.00 0.08 0.04 0.01 99.39 02:10:01 1 0.05 0.00 0.10 0.05 0.02 99.78 02:20:15 all 0.35 0.00 0.11 0.03 0.01 99.50 02:20:15 0 0.38 0.00 0.11 0.02 0.01 99.48 02:20:15 1 0.33 0.00 0.11 0.03 0.01 99.52 02:30:01 all 0.27 0.00 0.17 0.01 0.01 99.54 02:30:01 0 0.17 0.00 0.18 0.00 0.01 99.64 02:30:01 1 0.36 0.00 0.16 0.01 0.01 99.45 02:40:01 all 0.26 0.24 0.18 2.49 0.01 96.81 02:40:01 0 0.45 0.07 0.12 2.93 0.01 96.43 02:40:01 1 0.08 0.42 0.24 2.06 0.02 97.19 02:50:13 all 0.51 0.00 0.11 0.02 0.01 99.34 02:50:13 0 0.57 0.00 0.10 0.02 0.01 99.29 02:50:13 1 0.45 0.00 0.11 0.03 0.01 99.39 03:00:01 all 13.23 0.00 2.07 1.02 0.06 83.62 03:00:01 0 8.66 0.00 1.80 1.05 0.05 88.43 03:00:01 1 17.82 0.00 2.33 0.98 0.06 78.81 03:10:01 all 0.48 0.00 0.15 0.01 0.03 99.34 03:10:01 0 0.43 0.00 0.19 0.01 0.04 99.33 03:10:01 1 0.52 0.00 0.11 0.00 0.02 99.34 03:20:05 all 0.42 0.00 0.15 0.01 0.07 99.35 03:20:05 0 0.47 0.00 0.15 0.00 0.12 99.26 03:20:05 1 0.38 0.00 0.14 0.01 0.03 99.44 Average: all 1.75 0.03 0.35 0.40 0.03 97.44 Average: 0 1.32 0.01 0.32 0.45 0.03 97.87 Average: 1 2.19 0.05 0.38 0.35 0.02 97.00