---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2215 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 752 5114 4 2365 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:6c:61:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80994sec preferred_lft 80994sec inet6 fe80::f816:3eff:fe6c:611b/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-2215) 04/12/26 _x86_64_ (2 CPU) 01:45:42 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:12 1.57 0.02 1.53 0.02 1.22 18.76 856.44 02:10:28 1.93 0.32 1.60 0.02 39.08 72.39 0.36 02:20:22 1.24 0.00 1.23 0.01 0.01 14.84 0.48 02:30:12 1.55 0.00 1.52 0.03 0.00 19.09 886.89 02:40:01 14.19 0.00 1.38 12.81 0.15 16.38 111263.10 02:50:02 1.33 0.00 1.32 0.01 0.00 15.52 1.08 03:00:22 1.39 0.00 1.38 0.01 0.00 17.52 842.83 03:10:01 23.10 3.14 17.67 2.29 237.04 3385.12 955.67 Average: 5.66 0.42 3.38 1.86 33.78 430.35 14084.78 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:12 6302300 7553948 266480 3.28 30648 1426588 519284 5.66 447044 1187216 172 02:10:28 6247172 7527980 291900 3.59 31048 1454960 519424 5.66 458452 1204608 252 02:20:22 6261524 7542844 277100 3.41 31228 1455284 519284 5.66 458592 1205116 236 02:30:12 6253388 7535284 284648 3.50 31472 1455612 519284 5.66 458624 1205680 212 02:40:01 6254804 7537420 282544 3.47 31680 1456108 519560 5.66 458980 1206236 272 02:50:02 6254780 7537932 281992 3.47 31884 1456436 519560 5.66 458984 1206768 236 03:00:22 6247644 7531304 288600 3.55 32052 1456756 519624 5.66 463056 1207256 132 03:10:01 5212760 7381328 390152 4.80 85324 2247104 679820 7.40 629408 2005164 6920 Average: 6129296 7518505 295427 3.63 38167 1551106 539480 5.88 479142 1303506 1054 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.94 0.06 0.11 0.03 0.00 0.00 0.00 0.00 02:10:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:28 ens3 1.13 0.19 10.36 0.03 0.00 0.00 0.00 0.00 02:20:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:22 ens3 0.42 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 0.35 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.49 0.08 0.12 0.06 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.25 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:00:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:22 ens3 0.45 0.18 0.13 0.45 0.00 0.00 0.00 0.00 03:10:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:10:01 ens3 68.97 45.69 360.62 14.12 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 8.83 5.59 44.89 1.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2215) 04/12/26 _x86_64_ (2 CPU) 01:45:42 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:12 all 0.26 0.00 0.16 0.01 0.04 99.53 02:00:12 0 0.42 0.00 0.13 0.01 0.03 99.40 02:00:12 1 0.09 0.00 0.19 0.01 0.05 99.66 02:10:28 all 0.34 0.00 0.11 0.03 0.04 99.48 02:10:28 0 0.48 0.00 0.09 0.03 0.03 99.37 02:10:28 1 0.20 0.00 0.13 0.02 0.04 99.59 02:20:22 all 0.24 0.00 0.07 0.01 0.04 99.64 02:20:22 0 0.43 0.00 0.06 0.02 0.03 99.46 02:20:22 1 0.05 0.00 0.08 0.00 0.05 99.81 02:30:12 all 0.24 0.00 0.17 0.01 0.03 99.54 02:30:12 0 0.42 0.00 0.16 0.02 0.03 99.38 02:30:12 1 0.07 0.00 0.18 0.01 0.04 99.70 02:40:01 all 0.22 0.00 0.09 0.03 0.04 99.63 02:40:01 0 0.35 0.00 0.07 0.05 0.03 99.49 02:40:01 1 0.08 0.00 0.10 0.01 0.05 99.76 02:50:02 all 0.25 0.00 0.07 0.01 0.03 99.64 02:50:02 0 0.45 0.00 0.05 0.00 0.02 99.47 02:50:02 1 0.05 0.00 0.09 0.01 0.04 99.81 03:00:22 all 0.31 0.00 0.16 0.01 0.03 99.49 03:00:22 0 0.27 0.00 0.16 0.01 0.03 99.52 03:00:22 1 0.35 0.00 0.15 0.01 0.04 99.45 03:10:01 all 16.57 0.00 1.77 0.56 0.07 81.04 03:10:01 0 24.32 0.00 1.99 0.56 0.07 73.07 03:10:01 1 8.80 0.00 1.54 0.57 0.06 89.02 Average: all 2.23 0.00 0.32 0.08 0.04 97.33 Average: 0 3.28 0.00 0.33 0.08 0.03 96.27 Average: 1 1.18 0.00 0.30 0.08 0.05 98.40