---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1648 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 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 804 5096 4 2338 7137 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:1e:ac:d0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.69/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80911sec preferred_lft 80911sec inet6 fe80::f816:3eff:fe1e:acd0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1648) 04/10/26 _x86_64_ (2 CPU) 01:58:42 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:17 1.56 0.02 1.54 0.00 1.21 1282.15 0.12 02:20:13 1.24 0.01 1.23 0.00 0.07 15.00 0.12 02:30:01 1.26 0.00 1.25 0.01 0.00 16.25 444.93 02:40:13 1.16 0.00 1.16 0.00 0.00 14.34 0.00 02:50:03 1.85 0.32 1.51 0.01 39.68 73.51 0.20 03:00:01 1.48 0.00 1.47 0.01 0.00 18.03 436.98 03:10:13 37.57 16.24 19.07 2.25 371.50 3174.37 982.68 03:20:13 1.49 0.00 1.47 0.02 0.35 64.95 1.23 Average: 6.03 2.11 3.63 0.29 52.33 592.86 233.90 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:17 6280340 7527440 292908 3.60 30556 1422420 522536 5.69 450712 1183064 188 02:20:13 6283964 7531572 288816 3.55 30732 1422748 522644 5.69 450056 1183568 168 02:30:01 6288768 7536888 283436 3.49 30904 1423076 522716 5.69 450580 1184068 124 02:40:13 6288544 7537140 283184 3.48 31048 1423404 522908 5.70 451140 1184540 212 02:50:03 6235788 7513132 306492 3.77 31408 1451420 721360 7.86 467944 1201844 328 03:00:01 6241964 7519972 299596 3.68 31588 1451868 721424 7.86 468332 1202344 144 03:10:13 5181720 7351624 410932 5.05 88092 2238016 865144 9.42 637160 1998840 316 03:20:13 5161884 7346220 416260 5.12 88260 2252252 877284 9.56 640620 2013124 380 Average: 5995372 7482998 322703 3.97 45324 1635650 659502 7.18 502068 1393924 232 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:17 ens3 1.80 0.04 0.19 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 1.19 0.10 11.17 0.07 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.36 0.20 0.36 0.19 0.00 0.00 0.00 0.00 02:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:13 ens3 0.94 0.31 0.34 0.71 0.00 0.00 0.00 0.00 02:50:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.79 0.29 3.22 0.10 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.43 0.12 0.16 0.09 0.00 0.00 0.00 0.00 03:10:13 lo 1.29 1.29 0.11 0.11 0.00 0.00 0.00 0.00 03:10:13 ens3 64.39 49.35 294.80 12.04 0.00 0.00 0.00 0.00 03:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:13 ens3 42.77 38.61 9.27 5.13 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 14.34 11.22 40.57 2.32 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1648) 04/10/26 _x86_64_ (2 CPU) 01:58:42 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:17 all 0.25 0.00 0.09 0.06 0.03 99.57 02:10:17 0 0.06 0.00 0.09 0.10 0.03 99.72 02:10:17 1 0.44 0.00 0.09 0.03 0.03 99.42 02:20:13 all 0.27 0.00 0.08 0.42 0.03 99.20 02:20:13 0 0.09 0.00 0.09 0.77 0.03 99.01 02:20:13 1 0.45 0.00 0.07 0.07 0.03 99.38 02:30:01 all 0.28 0.00 0.16 0.15 0.03 99.38 02:30:01 0 0.31 0.00 0.16 0.25 0.03 99.25 02:30:01 1 0.25 0.00 0.16 0.05 0.03 99.50 02:40:13 all 0.27 0.00 0.08 0.04 0.03 99.57 02:40:13 0 0.41 0.00 0.08 0.03 0.02 99.46 02:40:13 1 0.13 0.00 0.09 0.06 0.04 99.68 02:50:03 all 0.39 0.00 0.11 0.04 0.03 99.43 02:50:03 0 0.26 0.00 0.09 0.02 0.03 99.59 02:50:03 1 0.52 0.00 0.12 0.06 0.03 99.26 03:00:01 all 0.30 0.00 0.15 0.07 0.03 99.45 03:00:01 0 0.30 0.00 0.14 0.01 0.03 99.52 03:00:01 1 0.30 0.00 0.15 0.14 0.03 99.38 03:10:13 all 13.33 0.26 1.99 7.15 0.08 77.18 03:10:13 0 12.66 0.45 1.96 7.92 0.08 76.93 03:10:13 1 14.00 0.07 2.03 6.38 0.09 77.44 03:20:13 all 6.10 0.00 0.53 0.05 0.08 93.25 03:20:13 0 4.63 0.00 0.53 0.09 0.07 94.68 03:20:13 1 7.57 0.00 0.52 0.02 0.08 91.82 Average: all 2.66 0.03 0.40 1.01 0.04 95.85 Average: 0 2.35 0.06 0.40 1.16 0.04 95.99 Average: 1 2.97 0.01 0.41 0.86 0.04 95.71