---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32736 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: 5599.94 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 8.2G 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 767 4891 4 2586 7174 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:4d:23:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79221sec preferred_lft 79221sec inet6 fe80::f816:3eff:fe4d:23c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32736) 07/04/26 _x86_64_ (2 CPU) 00:40:52 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:07 1.57 0.01 1.54 0.01 0.05 18.37 647.54 01:10:26 1.74 0.24 1.49 0.01 30.00 66.13 0.17 01:20:01 1.42 0.01 1.39 0.02 1.11 23.45 1.06 01:30:07 1.70 0.00 1.67 0.03 0.00 19.90 648.59 01:40:07 1.53 0.25 1.26 0.02 8.68 32.75 1.21 01:50:01 23.47 2.78 18.37 2.32 221.10 3500.27 1127.13 02:00:07 14.86 0.00 1.49 13.36 0.15 19.03 105422.55 02:10:07 1.34 0.00 1.34 0.01 0.00 100.92 0.92 02:20:01 15.83 13.67 2.09 0.07 152.15 248.20 7.81 02:30:07 1.72 0.00 1.70 0.02 0.00 126.68 0.83 02:40:07 5.91 0.08 4.57 1.26 5.77 745.81 2486.39 Average: 6.44 1.53 3.34 1.57 37.80 441.98 10120.83 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:07 6292288 7539256 281244 3.46 30676 1421908 531864 5.79 445740 1183556 48 01:10:26 6243636 7517732 302328 3.72 31032 1448332 739004 8.05 460144 1201572 2200 01:20:01 6266880 7541824 278240 3.42 31228 1448972 532152 5.80 455324 1202096 292 01:30:07 6263996 7539524 280568 3.45 31456 1449300 532336 5.80 455524 1202652 164 01:40:07 6252248 7536244 283732 3.49 31720 1457420 537932 5.86 462692 1210080 320 01:50:01 4982668 7182648 584608 7.19 86868 2273252 832172 9.06 798584 2036300 180 02:00:07 5013012 7213588 553640 6.81 86980 2273712 785728 8.56 752048 2036864 232 02:10:07 4979068 7205704 561536 6.90 87116 2299628 834800 9.09 784068 2062924 164 02:20:01 4882192 7226220 531256 6.53 90520 2404656 811252 8.84 760772 2170748 164 02:30:07 4763108 7140528 616276 7.58 90700 2437380 866876 9.44 817272 2203524 216 02:40:07 5065532 7397600 367312 4.52 93060 2397112 614472 6.69 607072 2164076 11752 Average: 5545875 7367352 421885 5.19 62851 1937425 692599 7.54 618113 1697672 1430 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.60 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:26 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:26 ens3 1.37 0.45 6.62 0.06 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 0.67 0.13 0.69 0.10 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.44 0.19 0.08 0.61 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 6.65 3.21 10.23 0.84 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 94.66 73.80 772.00 12.82 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 31.41 29.10 475.60 1.95 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 79.29 75.61 1271.20 4.96 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 26.66 24.74 396.06 1.66 0.00 0.00 0.00 0.00 02:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:07 ens3 24.62 23.01 378.44 1.55 0.00 0.00 0.00 0.00 02:40:07 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 02:40:07 ens3 32.62 26.96 312.18 18.50 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 27.10 23.33 328.81 3.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32736) 07/04/26 _x86_64_ (2 CPU) 00:40:52 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:07 all 0.28 0.00 0.16 0.01 0.03 99.52 01:00:07 0 0.41 0.00 0.16 0.01 0.03 99.39 01:00:07 1 0.14 0.00 0.17 0.01 0.03 99.65 01:10:26 all 0.34 0.00 0.10 0.02 0.03 99.51 01:10:26 0 0.27 0.00 0.10 0.03 0.03 99.57 01:10:26 1 0.41 0.00 0.10 0.02 0.02 99.45 01:20:01 all 0.26 0.00 0.08 0.01 0.02 99.63 01:20:01 0 0.09 0.00 0.09 0.01 0.03 99.78 01:20:01 1 0.42 0.00 0.07 0.01 0.02 99.48 01:30:07 all 0.27 0.00 0.16 0.01 0.03 99.54 01:30:07 0 0.20 0.00 0.17 0.01 0.03 99.59 01:30:07 1 0.33 0.00 0.16 0.01 0.02 99.48 01:40:07 all 0.33 0.00 0.08 0.01 0.02 99.56 01:40:07 0 0.12 0.00 0.10 0.01 0.03 99.73 01:40:07 1 0.54 0.00 0.05 0.01 0.02 99.39 01:50:01 all 12.01 0.00 1.85 0.50 0.06 85.58 01:50:01 0 11.74 0.00 1.55 0.35 0.05 86.31 01:50:01 1 12.28 0.00 2.14 0.65 0.08 84.85 02:00:07 all 0.60 0.00 0.36 0.02 0.06 98.95 02:00:07 0 0.67 0.00 0.34 0.00 0.05 98.94 02:00:07 1 0.54 0.00 0.38 0.04 0.07 98.97 02:10:07 all 1.11 0.00 0.57 0.01 0.05 98.26 02:10:07 0 1.62 0.00 0.99 0.01 0.07 97.30 02:10:07 1 0.60 0.00 0.15 0.01 0.03 99.21 02:20:01 all 0.80 0.18 0.28 0.14 0.05 98.56 02:20:01 0 0.83 0.04 0.25 0.06 0.05 98.77 02:20:01 1 0.76 0.32 0.31 0.22 0.04 98.35 02:30:07 all 0.68 0.00 0.36 0.03 0.04 98.89 02:30:07 0 0.57 0.00 0.39 0.03 0.04 98.97 02:30:07 1 0.79 0.00 0.33 0.03 0.03 98.82 02:40:07 all 4.83 0.00 0.65 0.12 0.04 94.36 02:40:07 0 6.01 0.00 0.81 0.14 0.05 92.98 02:40:07 1 3.65 0.00 0.50 0.10 0.03 95.73 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.94 0.02 0.42 0.08 0.04 97.50 Average: 0 2.04 0.00 0.45 0.06 0.04 97.41 Average: 1 1.84 0.03 0.39 0.10 0.04 97.60