---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35869 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 752 5195 4 2286 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:19:ce:41 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81378sec preferred_lft 81378sec inet6 fe80::f816:3eff:fe19:ce41/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35869) 07/15/26 _x86_64_ (2 CPU) 00:40:37 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 14.26 0.01 1.70 12.55 0.20 20.57 110030.53 01:10:08 1.36 0.00 1.36 0.00 0.00 15.76 0.00 01:20:08 1.86 0.25 1.60 0.01 30.99 75.87 0.29 01:30:01 1.69 0.01 1.66 0.02 1.07 20.28 660.80 01:40:08 1.32 0.00 1.32 0.00 0.00 15.63 0.00 01:50:01 25.50 2.89 20.23 2.38 228.22 3659.67 943.32 02:00:01 1.52 0.00 1.48 0.03 0.00 24.24 1.53 Average: 6.75 0.45 4.16 2.14 36.85 541.76 15945.54 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6279668 7527164 293196 3.61 30720 1422636 518888 5.65 446772 1183632 260 01:10:08 6280084 7528088 292272 3.59 30888 1422960 521560 5.68 447984 1184132 124 01:20:08 6231044 7506252 313612 3.86 31244 1449448 721216 7.86 462680 1202212 224 01:30:01 6231364 7507424 312444 3.84 31432 1450092 521800 5.68 457416 1202732 128 01:40:08 6238952 7515640 304220 3.74 31600 1450548 522236 5.69 458172 1203228 188 01:50:01 5165380 7381052 385232 4.74 87328 2288048 631716 6.88 600524 2050896 164 02:00:01 5140040 7357740 408500 5.02 87472 2289932 647132 7.05 606564 2052924 180 Average: 5938076 7474766 329925 4.06 47241 1681952 583507 6.36 497159 1439965 181 00:50:01 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 0.60 0.07 0.10 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.34 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.64 0.23 3.26 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 0.28 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.50 0.20 0.13 0.58 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 76.28 50.75 339.97 11.93 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 11.74 10.10 71.95 0.97 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 12.79 8.70 58.84 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35869) 07/15/26 _x86_64_ (2 CPU) 00:40:37 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.19 0.03 0.01 99.47 01:00:01 0 0.48 0.00 0.16 0.01 0.01 99.34 01:00:01 1 0.10 0.00 0.22 0.06 0.02 99.60 01:10:08 all 0.29 0.00 0.08 0.17 0.01 99.46 01:10:08 0 0.46 0.00 0.06 0.04 0.01 99.42 01:10:08 1 0.11 0.00 0.09 0.29 0.02 99.49 01:20:08 all 0.42 0.00 0.11 0.21 0.01 99.24 01:20:08 0 0.34 0.00 0.15 0.08 0.02 99.42 01:20:08 1 0.51 0.00 0.07 0.34 0.01 99.07 01:30:01 all 0.28 0.00 0.18 0.10 0.02 99.42 01:30:01 0 0.11 0.00 0.20 0.01 0.02 99.67 01:30:01 1 0.45 0.00 0.17 0.18 0.01 99.18 01:40:08 all 0.25 0.00 0.07 0.01 0.01 99.66 01:40:08 0 0.06 0.00 0.07 0.01 0.02 99.85 01:40:08 1 0.44 0.00 0.06 0.01 0.01 99.47 01:50:01 all 12.62 0.00 1.82 0.66 0.05 84.85 01:50:01 0 13.63 0.00 1.92 0.61 0.05 83.78 01:50:01 1 11.60 0.00 1.73 0.70 0.05 85.93 02:00:01 all 0.86 0.00 0.29 0.01 0.03 98.81 02:00:01 0 1.09 0.00 0.35 0.02 0.04 98.51 02:00:01 1 0.63 0.00 0.23 0.00 0.03 99.11 Average: all 2.12 0.00 0.39 0.17 0.02 97.30 Average: 0 2.29 0.00 0.41 0.11 0.02 97.17 Average: 1 1.96 0.00 0.37 0.22 0.02 97.43