---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1626 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 766 5180 4 2288 7175 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:f1:68:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.106/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81481sec preferred_lft 81481sec inet6 fe80::f816:3eff:fef1:686a/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-1626) 08/03/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:21 1.42 0.01 1.39 0.02 0.05 17.35 872.03 01:10:01 1.18 0.00 1.16 0.02 0.00 13.82 1.13 01:20:11 1.25 0.00 1.23 0.02 0.01 14.53 1.18 01:30:21 1.46 0.00 1.43 0.03 0.00 18.45 858.57 01:40:01 1.12 0.00 1.10 0.02 0.00 13.99 1.12 01:50:12 26.37 1.73 11.40 13.24 141.16 2070.10 107569.88 02:00:11 11.88 1.34 9.11 1.43 113.70 1517.57 482.88 Average: 6.46 0.45 3.86 2.15 36.85 530.06 16025.48 00:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:21 6297460 7544172 276304 3.40 30664 1421956 528344 5.75 440112 1183640 176 01:10:01 6296704 7543936 276552 3.40 30844 1422284 528552 5.76 440328 1184156 156 01:20:11 6301800 7549568 270912 3.33 31048 1422608 528696 5.76 443876 1184684 176 01:30:21 6291628 7539984 280504 3.45 31292 1422940 528704 5.76 444008 1185260 160 01:40:01 6297220 7546116 274364 3.37 31496 1423272 528824 5.76 441620 1185796 164 01:50:12 5468448 7406208 373556 4.59 71856 2037148 617780 6.73 567680 1814432 100556 02:00:11 5188536 7401884 364368 4.48 87540 2285544 643204 7.01 590556 2049448 420 Average: 6020257 7504553 302366 3.72 44963 1633679 557729 6.07 481169 1398202 14544 00:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:21 ens3 0.54 0.05 0.06 0.01 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 0.42 0.06 0.09 0.04 0.00 0.00 0.00 0.00 01:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:11 ens3 0.58 0.11 3.66 0.06 0.00 0.00 0.00 0.00 01:30:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:21 ens3 0.55 0.08 0.67 0.05 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 0.69 0.23 0.14 0.57 0.00 0.00 0.00 0.00 01:50:12 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 01:50:12 ens3 37.56 24.14 275.78 5.72 0.00 0.00 0.00 0.00 02:00:11 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 02:00:11 ens3 76.28 55.70 49.65 12.34 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 16.77 11.55 48.02 2.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1626) 08/03/26 _x86_64_ (2 CPU) 00:42:43 LINUX RESTART (2 CPU) 00:50:21 CPU %user %nice %system %iowait %steal %idle 01:00:21 all 0.27 0.00 0.20 0.04 0.03 99.46 01:00:21 0 0.23 0.00 0.21 0.03 0.03 99.51 01:00:21 1 0.32 0.00 0.19 0.06 0.02 99.41 01:10:01 all 0.26 0.00 0.08 0.01 0.02 99.64 01:10:01 0 0.17 0.00 0.08 0.01 0.02 99.72 01:10:01 1 0.34 0.00 0.08 0.01 0.02 99.55 01:20:11 all 0.27 0.00 0.08 0.02 0.02 99.61 01:20:11 0 0.23 0.00 0.08 0.01 0.02 99.66 01:20:11 1 0.32 0.00 0.09 0.03 0.02 99.55 01:30:21 all 0.30 0.00 0.20 0.01 0.02 99.48 01:30:21 0 0.26 0.00 0.20 0.01 0.02 99.52 01:30:21 1 0.34 0.00 0.20 0.01 0.01 99.43 01:40:01 all 0.32 0.00 0.08 0.01 0.02 99.57 01:40:01 0 0.42 0.00 0.07 0.02 0.01 99.48 01:40:01 1 0.21 0.00 0.10 0.01 0.02 99.67 01:50:12 all 6.61 0.00 0.96 0.40 0.03 91.99 01:50:12 0 6.18 0.00 0.83 0.62 0.03 92.34 01:50:12 1 7.05 0.00 1.09 0.19 0.03 91.64 02:00:11 all 10.23 0.00 1.49 0.19 0.05 88.03 02:00:11 0 10.82 0.00 1.63 0.28 0.05 87.22 02:00:11 1 9.65 0.00 1.35 0.11 0.06 88.84 Average: all 2.63 0.00 0.44 0.10 0.03 96.80 Average: 0 2.63 0.00 0.44 0.14 0.02 96.76 Average: 1 2.62 0.00 0.45 0.06 0.03 96.85