---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20860 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 764 5139 4 2337 7177 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:d9:1a:be brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80514sec preferred_lft 80514sec inet6 fe80::f816:3eff:fed9:1abe/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-20860) 05/28/26 _x86_64_ (2 CPU) 06:47:01 LINUX RESTART (2 CPU) 06:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:00:07 1.63 0.03 1.58 0.02 2.27 26.50 647.19 07:10:01 13.93 0.01 1.24 12.68 0.20 15.60 110160.18 07:20:01 1.33 0.00 1.31 0.02 0.01 16.64 219.06 07:30:07 1.48 0.00 1.45 0.03 0.00 18.72 864.33 07:40:01 1.18 0.00 1.16 0.02 0.00 14.38 1.21 07:50:01 1.17 0.00 1.15 0.02 0.00 14.37 1.20 08:00:17 24.16 3.10 18.83 2.24 227.28 3319.19 977.85 08:10:01 1.35 0.00 1.35 0.00 0.11 27.80 0.00 08:20:01 1.26 0.00 1.26 0.00 0.00 22.12 0.00 Average: 5.33 0.36 3.31 1.66 26.18 395.37 12430.20 06:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:07 6243028 7521364 298504 3.67 30844 1452744 520592 5.67 453504 1204556 104 07:10:01 6257588 7536516 283284 3.48 31080 1453084 522836 5.69 458752 1205104 248 07:20:01 6255824 7535304 284448 3.50 31300 1453420 522976 5.70 458760 1205648 248 07:30:07 6248788 7528876 290848 3.58 31524 1453776 523172 5.70 459404 1206236 100 07:40:01 6254836 7535540 284192 3.49 31708 1454204 523172 5.70 459568 1206724 252 07:50:01 6253576 7534812 284916 3.50 31908 1454528 523172 5.70 459676 1207248 132 08:00:17 5210884 7409300 358240 4.41 87388 2271676 628116 6.84 598208 2033976 280 08:10:01 5196256 7398220 369324 4.54 87524 2275080 648712 7.07 610640 2037524 272 08:20:01 5187460 7391720 375760 4.62 87632 2277276 654368 7.13 615808 2039828 164 Average: 5900916 7487961 314391 3.87 50101 1727310 563013 6.13 508258 1482983 200 06:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:00:07 ens3 1.70 0.09 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 0.83 0.17 0.23 0.14 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 0.42 0.06 0.26 0.03 0.00 0.00 0.00 0.00 07:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:30:07 ens3 0.68 0.27 0.28 0.62 0.00 0.00 0.00 0.00 07:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 07:40:01 ens3 0.29 0.05 0.07 0.03 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 0.06 0.07 0.03 0.00 0.00 0.00 0.00 08:00:17 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 08:00:17 ens3 44.04 30.68 304.32 8.01 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 12.61 9.85 2.35 3.54 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 2.39 2.07 0.41 0.50 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 7.11 4.87 35.09 1.45 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20860) 05/28/26 _x86_64_ (2 CPU) 06:47:01 LINUX RESTART (2 CPU) 06:50:01 CPU %user %nice %system %iowait %steal %idle 07:00:07 all 0.25 0.00 0.17 0.04 0.05 99.49 07:00:07 0 0.33 0.00 0.17 0.01 0.02 99.47 07:00:07 1 0.17 0.00 0.18 0.06 0.07 99.51 07:10:01 all 0.32 0.00 0.12 0.49 0.04 99.03 07:10:01 0 0.39 0.00 0.11 0.01 0.05 99.44 07:10:01 1 0.26 0.00 0.12 0.97 0.04 98.62 07:20:01 all 0.25 0.00 0.09 0.01 0.02 99.63 07:20:01 0 0.06 0.00 0.09 0.01 0.02 99.82 07:20:01 1 0.44 0.00 0.09 0.01 0.02 99.45 07:30:07 all 0.28 0.00 0.16 0.01 0.02 99.53 07:30:07 0 0.20 0.00 0.15 0.02 0.02 99.61 07:30:07 1 0.36 0.00 0.16 0.01 0.02 99.45 07:40:01 all 0.24 0.00 0.07 0.01 0.02 99.66 07:40:01 0 0.44 0.00 0.05 0.02 0.01 99.48 07:40:01 1 0.04 0.00 0.09 0.00 0.03 99.84 07:50:01 all 0.24 0.00 0.06 0.01 0.02 99.67 07:50:01 0 0.39 0.00 0.04 0.02 0.01 99.54 07:50:01 1 0.09 0.00 0.09 0.00 0.03 99.79 08:00:17 all 11.72 0.00 1.75 0.70 0.05 85.79 08:00:17 0 13.68 0.00 1.86 0.76 0.05 83.64 08:00:17 1 9.75 0.00 1.64 0.63 0.05 87.93 08:10:01 all 1.57 0.00 0.17 0.04 0.05 98.17 08:10:01 0 1.43 0.00 0.19 0.02 0.05 98.31 08:10:01 1 1.71 0.00 0.16 0.06 0.04 98.02 08:20:01 all 0.99 0.00 0.29 0.03 0.05 98.64 08:20:01 0 0.98 0.00 0.27 0.03 0.05 98.68 08:20:01 1 1.00 0.00 0.30 0.04 0.05 98.61 Average: all 1.79 0.00 0.32 0.15 0.04 97.70 Average: 0 2.02 0.00 0.33 0.10 0.03 97.52 Average: 1 1.56 0.00 0.32 0.20 0.04 97.89