---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-25238 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 22% / 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 791 5085 4 2357 7150 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:ca:ea:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80687sec preferred_lft 80687sec inet6 fe80::f816:3eff:feca:ea4f/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-25238) 06/06/26 _x86_64_ (2 CPU) 00:42:56 LINUX RESTART (2 CPU) 00:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.74 0.01 1.71 0.02 0.05 963.43 886.79 01:10:01 14.04 0.00 1.50 12.54 0.15 589.80 109106.02 01:20:25 1.89 0.25 1.62 0.03 30.78 72.80 1.49 01:30:01 1.55 0.00 1.52 0.03 0.00 18.18 682.85 01:40:01 1.34 0.00 1.32 0.02 0.00 15.75 1.20 01:50:11 1.69 0.25 1.43 0.01 8.60 35.51 0.71 02:00:01 24.56 2.80 19.43 2.32 222.44 3517.35 510.50 02:10:01 1.42 0.00 1.42 0.00 0.00 62.84 0.03 Average: 5.99 0.41 3.71 1.87 32.53 651.89 13930.59 00:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6295536 7543224 277064 3.41 30656 1422940 521700 5.68 442016 1183524 160 01:10:01 6294612 7542872 277376 3.41 30856 1423312 521908 5.68 442204 1184064 160 01:20:25 6241592 7516988 302824 3.72 31260 1449660 522052 5.69 451936 1201772 208 01:30:01 6255108 7531024 288684 3.55 31460 1449988 522116 5.69 452188 1202268 192 01:40:01 6262696 7539308 280424 3.45 31668 1450440 522116 5.69 452480 1202832 164 01:50:11 6258828 7544580 275024 3.38 31924 1459216 529016 5.76 462404 1211040 180 02:00:01 5199232 7408468 358404 4.41 87204 2282480 642176 6.99 593868 2044848 280 02:10:01 5187508 7410488 356420 4.38 87332 2296096 644980 7.03 596352 2058592 160 Average: 5999389 7504619 302028 3.71 45295 1654266 553258 6.03 486681 1411118 188 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 0.62 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.64 0.06 3.20 0.03 0.00 0.00 0.00 0.00 01:20:25 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:25 ens3 0.93 0.34 3.35 0.14 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 0.43 0.18 0.08 0.59 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.46 0.09 0.14 0.08 0.00 0.00 0.00 0.00 01:50:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:11 ens3 3.44 2.22 11.49 1.33 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 75.82 55.94 313.85 11.73 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 44.13 39.11 9.22 5.36 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 15.69 12.17 42.15 2.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-25238) 06/06/26 _x86_64_ (2 CPU) 00:42:56 LINUX RESTART (2 CPU) 00:50:11 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.27 0.00 0.16 0.01 0.04 99.52 01:00:01 0 0.31 0.00 0.16 0.01 0.04 99.49 01:00:01 1 0.23 0.00 0.17 0.02 0.04 99.54 01:10:01 all 0.28 0.00 0.08 0.03 0.04 99.58 01:10:01 0 0.41 0.00 0.05 0.01 0.03 99.49 01:10:01 1 0.14 0.00 0.11 0.05 0.05 99.66 01:20:25 all 0.39 0.00 0.09 0.02 0.04 99.46 01:20:25 0 0.39 0.00 0.06 0.01 0.04 99.50 01:20:25 1 0.38 0.00 0.12 0.03 0.05 99.42 01:30:01 all 0.23 0.00 0.16 0.01 0.04 99.56 01:30:01 0 0.14 0.00 0.16 0.00 0.04 99.65 01:30:01 1 0.32 0.00 0.15 0.02 0.04 99.47 01:40:01 all 0.23 0.00 0.06 0.01 0.04 99.67 01:40:01 0 0.40 0.00 0.04 0.01 0.02 99.52 01:40:01 1 0.06 0.00 0.08 0.01 0.06 99.81 01:50:11 all 0.32 0.00 0.08 0.02 0.04 99.55 01:50:11 0 0.35 0.00 0.07 0.00 0.03 99.55 01:50:11 1 0.29 0.00 0.09 0.03 0.05 99.54 02:00:01 all 14.62 0.00 1.98 0.54 0.09 82.76 02:00:01 0 10.90 0.00 1.54 0.28 0.08 87.20 02:00:01 1 18.35 0.00 2.42 0.81 0.09 78.32 02:10:01 all 5.86 0.00 0.47 0.01 0.09 93.57 02:10:01 0 4.75 0.00 0.46 0.01 0.08 94.69 02:10:01 1 6.97 0.00 0.48 0.01 0.09 92.45 Average: all 2.74 0.00 0.38 0.08 0.05 96.74 Average: 0 2.19 0.00 0.31 0.04 0.04 97.41 Average: 1 3.30 0.00 0.45 0.12 0.06 96.07