---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12154 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 758 5232 4 2248 7183 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:57:99:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.183/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81293sec preferred_lft 81293sec inet6 fe80::f816:3eff:fe57:99c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12154) 05/09/26 _x86_64_ (2 CPU) 01:57:28 LINUX RESTART (2 CPU) 02:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:12 2.07 0.28 1.76 0.02 33.30 76.45 0.95 02:20:01 14.43 0.04 1.58 12.81 2.41 18.67 111290.69 02:30:15 1.53 0.00 1.50 0.03 0.00 18.15 426.88 02:40:14 1.38 0.00 1.36 0.02 0.00 16.17 1.20 02:50:01 15.82 13.85 1.90 0.07 154.56 43.30 7.41 03:00:15 3.16 1.29 1.83 0.05 93.67 155.59 1.84 03:10:16 20.46 1.68 16.58 2.20 130.02 3035.11 1048.62 03:20:01 1.29 0.00 1.28 0.01 0.00 21.61 0.11 Average: 7.47 2.11 3.48 1.87 51.74 425.14 13861.70 02:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:12 6266700 7539284 281316 3.46 30804 1447140 521252 5.68 453012 1200364 164 02:20:01 6266576 7540440 279988 3.44 31028 1448156 521308 5.68 453060 1201024 240 02:30:15 6267392 7541808 278608 3.43 31240 1448480 521564 5.68 453236 1201560 124 02:40:14 6273472 7548416 271996 3.34 31432 1448808 521556 5.68 453436 1202080 8 02:50:01 6210012 7542200 269128 3.31 35584 1493548 521744 5.68 454332 1250248 184 03:00:15 5899880 7364664 439260 5.40 44284 1611216 627060 6.83 578932 1363996 62164 03:10:16 5192580 7367156 395584 4.86 88920 2241300 652980 7.11 611968 2006208 180 03:20:01 5176332 7352892 409856 5.04 89036 2243168 661708 7.21 612740 2008192 168 Average: 5944118 7474608 328217 4.04 47791 1672727 568646 6.19 508840 1429209 7904 02:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.92 0.22 3.15 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.89 0.07 8.28 0.02 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.29 0.05 0.08 0.04 0.00 0.00 0.00 0.00 02:40:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:14 ens3 0.46 0.10 0.28 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.34 0.08 0.11 0.06 0.00 0.00 0.00 0.00 03:00:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:15 ens3 19.50 10.48 67.89 4.38 0.00 0.00 0.00 0.00 03:10:16 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 03:10:16 ens3 50.73 35.57 245.38 7.58 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 13.07 11.80 110.00 1.07 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 10.83 7.32 54.42 1.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12154) 05/09/26 _x86_64_ (2 CPU) 01:57:28 LINUX RESTART (2 CPU) 02:00:13 CPU %user %nice %system %iowait %steal %idle 02:10:12 all 0.36 0.00 0.12 0.02 0.03 99.48 02:10:12 0 0.40 0.00 0.13 0.02 0.03 99.43 02:10:12 1 0.31 0.00 0.11 0.02 0.03 99.54 02:20:01 all 0.33 0.00 0.10 0.03 0.02 99.52 02:20:01 0 0.50 0.00 0.08 0.02 0.02 99.38 02:20:01 1 0.16 0.00 0.13 0.04 0.03 99.65 02:30:15 all 0.26 0.00 0.16 0.01 0.02 99.55 02:30:15 0 0.43 0.00 0.14 0.00 0.02 99.40 02:30:15 1 0.08 0.00 0.17 0.03 0.03 99.69 02:40:14 all 0.27 0.00 0.08 0.01 0.02 99.61 02:40:14 0 0.45 0.00 0.06 0.00 0.02 99.48 02:40:14 1 0.10 0.00 0.11 0.03 0.03 99.74 02:50:01 all 0.24 0.20 0.16 0.16 0.02 99.21 02:50:01 0 0.35 0.04 0.10 0.03 0.02 99.46 02:50:01 1 0.13 0.36 0.22 0.29 0.03 98.97 03:00:15 all 1.34 0.00 0.34 0.04 0.02 98.26 03:00:15 0 1.68 0.00 0.37 0.05 0.02 97.87 03:00:15 1 0.99 0.00 0.31 0.03 0.02 98.65 03:10:16 all 10.18 0.00 1.54 0.45 0.05 87.77 03:10:16 0 10.29 0.00 1.50 0.57 0.06 87.58 03:10:16 1 10.07 0.00 1.58 0.33 0.05 87.97 03:20:01 all 0.91 0.00 0.21 0.01 0.05 98.82 03:20:01 0 0.89 0.00 0.19 0.01 0.05 98.88 03:20:01 1 0.93 0.00 0.24 0.01 0.05 98.77 Average: all 1.74 0.02 0.34 0.09 0.03 97.77 Average: 0 1.88 0.01 0.32 0.09 0.03 97.68 Average: 1 1.60 0.04 0.36 0.10 0.03 97.87