---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30320 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 7.9G 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 752 5211 4 2269 7189 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:ed:c3:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81411sec preferred_lft 81411sec inet6 fe80::f816:3eff:feed:c357/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30320) 06/25/26 _x86_64_ (2 CPU) 00:40:27 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.53 0.01 1.50 0.03 0.05 18.21 444.41 01:10:11 13.77 0.00 1.42 12.34 0.14 16.97 107395.53 01:20:11 1.35 0.00 1.33 0.02 0.01 15.77 1.20 01:30:01 1.48 0.00 1.45 0.03 0.00 17.96 444.24 01:40:07 1.93 0.25 1.65 0.03 31.70 75.69 1.41 01:50:11 23.38 2.98 18.12 2.28 226.30 3440.66 734.09 02:00:01 1.46 0.00 1.44 0.02 0.00 24.17 0.38 Average: 6.47 0.47 3.87 2.14 37.21 519.74 15867.75 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6314880 7562852 257888 3.17 30740 1422948 527500 5.75 440176 1183604 168 01:10:11 6316156 7564732 255956 3.15 30948 1423332 527500 5.75 440392 1184164 160 01:20:11 6300032 7549144 271536 3.34 31144 1423660 530780 5.78 441284 1184692 152 01:30:01 6305384 7555048 265592 3.27 31356 1423988 530848 5.78 441604 1185232 240 01:40:07 6253292 7530448 289736 3.56 31740 1450732 531012 5.78 450952 1203156 144 01:50:11 5182032 7381096 386276 4.75 86936 2272316 644928 7.02 603224 2034376 124 02:00:01 5139488 7340572 426740 5.25 87064 2274216 667788 7.27 618068 2036388 240 Average: 5973038 7497699 307675 3.78 47133 1670170 565765 6.16 490814 1430230 175 00:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.57 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.97 0.06 5.97 0.03 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.86 0.09 1.18 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.38 0.13 0.08 0.54 0.00 0.00 0.00 0.00 01:40:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.60 0.26 3.21 0.07 0.00 0.00 0.00 0.00 01:50:11 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:11 ens3 70.86 48.84 325.92 11.65 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 13.36 11.64 109.20 1.08 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 12.57 8.76 63.84 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30320) 06/25/26 _x86_64_ (2 CPU) 00:40:27 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.16 0.01 0.04 99.53 01:00:01 0 0.07 0.00 0.17 0.02 0.05 99.69 01:00:01 1 0.44 0.00 0.15 0.01 0.03 99.37 01:10:11 all 0.23 0.00 0.09 0.03 0.04 99.61 01:10:11 0 0.06 0.00 0.11 0.06 0.05 99.72 01:10:11 1 0.40 0.00 0.06 0.01 0.04 99.50 01:20:11 all 0.30 0.00 0.07 0.01 0.04 99.58 01:20:11 0 0.15 0.00 0.09 0.01 0.05 99.70 01:20:11 1 0.45 0.00 0.05 0.02 0.03 99.45 01:30:01 all 0.30 0.00 0.15 0.01 0.03 99.50 01:30:01 0 0.52 0.00 0.13 0.01 0.03 99.31 01:30:01 1 0.07 0.00 0.17 0.02 0.04 99.69 01:40:07 all 0.34 0.00 0.10 0.02 0.03 99.51 01:40:07 0 0.51 0.00 0.06 0.02 0.02 99.39 01:40:07 1 0.17 0.00 0.13 0.02 0.04 99.63 01:50:11 all 11.83 0.00 1.74 0.52 0.08 85.83 01:50:11 0 10.99 0.00 1.69 0.42 0.08 86.82 01:50:11 1 12.68 0.00 1.79 0.62 0.08 84.83 02:00:01 all 0.90 0.00 0.28 0.01 0.08 98.74 02:00:01 0 0.88 0.00 0.22 0.01 0.06 98.83 02:00:01 1 0.92 0.00 0.33 0.01 0.10 98.64 Average: all 2.03 0.00 0.37 0.09 0.05 97.46 Average: 0 1.89 0.00 0.36 0.08 0.05 97.63 Average: 1 2.17 0.00 0.39 0.10 0.05 97.29