---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10945 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 760 5196 4 2274 7181 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:af:0f:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82114sec preferred_lft 82114sec inet6 fe80::f816:3eff:feaf:fa6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10945) 05/05/26 _x86_64_ (2 CPU) 00:42:07 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.61 0.01 1.59 0.02 0.05 19.12 654.32 01:10:05 1.33 0.00 1.32 0.02 0.00 15.47 1.19 01:20:01 1.39 0.00 1.37 0.02 0.01 16.05 1.21 01:30:01 1.34 0.00 1.32 0.03 0.00 16.82 654.95 01:40:02 2.24 0.67 1.54 0.03 47.79 105.59 1.54 01:50:01 21.50 2.64 16.66 2.21 213.28 3249.40 578.75 Average: 4.90 0.55 3.96 0.38 43.48 569.54 315.17 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6282292 7529116 291124 3.58 30644 1422056 527708 5.75 446472 1183324 236 01:10:05 6281604 7528952 291284 3.58 30836 1422384 527948 5.75 446816 1183844 184 01:20:01 6292316 7540200 280060 3.44 31048 1422708 528020 5.75 447264 1184380 120 01:30:01 6281984 7530424 289804 3.56 31256 1423036 529348 5.77 447108 1184916 124 01:40:02 6214424 7504520 314984 3.87 31776 1463756 545880 5.95 484380 1215424 272 01:50:01 5207340 7369240 383696 4.72 85052 2239088 652928 7.11 612244 1999856 352 Average: 6093327 7500409 308492 3.79 40102 1565505 551972 6.01 480714 1325291 215 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 0.69 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.53 0.05 3.45 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.65 0.10 1.22 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 0.30 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 13.77 6.53 23.32 3.26 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 71.04 54.74 314.31 12.64 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.48 10.25 57.00 2.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10945) 05/05/26 _x86_64_ (2 CPU) 00:42:07 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.26 0.00 0.18 0.01 0.04 99.52 01:00:01 0 0.24 0.00 0.19 0.00 0.04 99.53 01:00:01 1 0.28 0.00 0.17 0.02 0.03 99.50 01:10:05 all 0.26 0.00 0.07 0.02 0.03 99.61 01:10:05 0 0.10 0.00 0.08 0.01 0.04 99.77 01:10:05 1 0.43 0.00 0.05 0.03 0.02 99.46 01:20:01 all 0.28 0.00 0.07 0.01 0.02 99.61 01:20:01 0 0.48 0.00 0.06 0.01 0.02 99.45 01:20:01 1 0.08 0.00 0.09 0.02 0.03 99.78 01:30:01 all 0.33 0.00 0.17 0.01 0.03 99.47 01:30:01 0 0.18 0.00 0.16 0.01 0.03 99.61 01:30:01 1 0.47 0.00 0.17 0.02 0.02 99.32 01:40:02 all 0.67 0.00 0.13 0.02 0.03 99.15 01:40:02 0 0.51 0.00 0.17 0.03 0.03 99.26 01:40:02 1 0.83 0.00 0.08 0.02 0.02 99.05 01:50:01 all 15.91 0.00 1.77 0.45 0.07 81.81 01:50:01 0 21.36 0.00 1.90 0.52 0.07 76.16 01:50:01 1 10.46 0.00 1.64 0.38 0.07 87.45 Average: all 2.94 0.00 0.40 0.09 0.04 96.54 Average: 0 3.80 0.00 0.42 0.10 0.04 95.64 Average: 1 2.09 0.00 0.37 0.08 0.03 97.43