---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-22995 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 746 5225 4 2261 7195 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:37:da:5b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81345sec preferred_lft 81345sec inet6 fe80::f816:3eff:fe37:da5b/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-22995) 06/03/26 _x86_64_ (2 CPU) 04:48:46 LINUX RESTART (2 CPU) 04:50:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:00:06 14.42 0.03 1.63 12.76 1.41 19.91 111703.78 05:10:01 1.77 0.27 1.48 0.02 32.35 73.79 1.08 05:20:16 1.25 0.00 1.24 0.02 0.01 14.98 1.17 05:30:16 1.47 0.00 1.43 0.03 0.00 17.69 1.43 05:40:02 1.15 0.00 1.13 0.02 0.00 14.31 1.00 05:50:07 1.68 0.41 1.25 0.02 15.90 46.55 1.19 06:00:16 23.21 2.58 18.37 2.26 209.09 3348.83 566.30 06:10:16 1.28 0.00 1.28 0.01 0.00 21.61 0.08 Average: 5.79 0.42 3.51 1.87 32.71 450.72 13802.81 04:50:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:00:06 6293840 7540772 279584 3.44 30508 1422076 531756 5.79 451860 1183036 172 05:10:01 6240836 7514792 305028 3.75 30876 1448380 531764 5.79 460916 1200632 124 05:20:16 6255564 7530064 289684 3.56 31080 1448708 531828 5.79 461088 1201164 184 05:30:16 6255400 7530440 289264 3.56 31272 1449040 531892 5.79 461268 1201688 128 05:40:02 6255400 7531104 288592 3.55 31476 1449492 532052 5.80 461548 1202216 168 05:50:07 6230996 7521884 297480 3.66 31820 1464252 548724 5.98 485636 1215800 228 06:00:16 5197376 7390836 376716 4.63 86320 2267820 636604 6.93 598424 2029832 204 06:10:16 5154432 7349900 417688 5.14 86468 2269684 659424 7.18 613480 2031844 160 Average: 5985480 7488724 318004 3.91 44978 1652432 563006 6.13 499278 1408276 171 04:50:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:06 ens3 1.94 0.15 0.30 0.11 0.00 0.00 0.00 0.00 05:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:10:01 ens3 0.69 0.23 3.17 0.03 0.00 0.00 0.00 0.00 05:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:16 ens3 0.80 0.07 5.45 0.03 0.00 0.00 0.00 0.00 05:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:16 ens3 0.52 0.07 0.50 0.04 0.00 0.00 0.00 0.00 05:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:02 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 05:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:07 ens3 6.77 4.24 19.72 3.05 0.00 0.00 0.00 0.00 06:00:16 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 06:00:16 ens3 52.72 35.85 302.83 7.76 0.00 0.00 0.00 0.00 06:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:16 ens3 13.12 11.76 107.29 1.06 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 9.70 6.62 55.50 1.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-22995) 06/03/26 _x86_64_ (2 CPU) 04:48:46 LINUX RESTART (2 CPU) 04:50:16 CPU %user %nice %system %iowait %steal %idle 05:00:06 all 0.32 0.00 0.20 0.74 0.07 98.67 05:00:06 0 0.34 0.00 0.19 1.41 0.08 97.99 05:00:06 1 0.31 0.00 0.21 0.07 0.06 99.35 05:10:01 all 0.40 0.00 0.12 0.05 0.03 99.40 05:10:01 0 0.58 0.00 0.13 0.03 0.03 99.23 05:10:01 1 0.22 0.00 0.11 0.08 0.04 99.56 05:20:16 all 0.27 0.00 0.09 0.09 0.02 99.53 05:20:16 0 0.47 0.00 0.09 0.04 0.02 99.38 05:20:16 1 0.08 0.00 0.10 0.13 0.02 99.67 05:30:16 all 0.27 0.00 0.18 0.01 0.02 99.52 05:30:16 0 0.30 0.00 0.17 0.01 0.03 99.49 05:30:16 1 0.25 0.00 0.18 0.01 0.02 99.54 05:40:02 all 0.25 0.00 0.08 1.62 0.02 98.03 05:40:02 0 0.44 0.00 0.06 3.23 0.02 96.25 05:40:02 1 0.06 0.00 0.09 0.01 0.03 99.81 05:50:07 all 0.51 0.00 0.10 0.47 0.02 98.90 05:50:07 0 0.71 0.00 0.09 0.01 0.02 99.18 05:50:07 1 0.31 0.00 0.11 0.94 0.03 98.61 06:00:16 all 11.72 0.00 1.78 0.83 0.06 85.61 06:00:16 0 13.93 0.00 1.88 0.57 0.06 83.55 06:00:16 1 9.51 0.00 1.67 1.09 0.06 87.68 06:10:16 all 0.86 0.00 0.20 0.01 0.05 98.88 06:10:16 0 0.55 0.00 0.13 0.01 0.04 99.27 06:10:16 1 1.16 0.00 0.27 0.01 0.07 98.49 Average: all 1.84 0.00 0.34 0.47 0.04 97.30 Average: 0 2.19 0.00 0.34 0.65 0.04 96.78 Average: 1 1.50 0.00 0.34 0.29 0.04 97.82