---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-29000 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: 5600.00 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 8.1G 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 781 4972 4 2488 7160 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:3f:63:01 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79448sec preferred_lft 79448sec inet6 fe80::f816:3eff:fe3f:6301/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29000) 06/21/26 _x86_64_ (2 CPU) 00:15:57 LINUX RESTART (2 CPU) 00:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 10.88 1.39 8.18 1.30 113.17 1117.73 630.06 00:40:01 1.25 0.01 1.24 0.00 0.05 18.20 0.12 00:50:02 1.19 0.00 1.19 0.00 0.00 17.46 0.00 01:00:01 1.99 0.26 1.71 0.03 32.08 81.50 0.63 01:10:01 1.29 0.00 1.28 0.01 0.00 19.01 0.20 01:20:02 1.33 0.00 1.29 0.04 0.00 22.82 0.93 01:30:01 1.62 0.00 1.54 0.08 0.00 24.64 1.88 01:40:01 1.53 0.00 1.50 0.03 0.00 23.46 0.65 01:50:15 14.54 0.00 1.36 13.18 0.14 20.43 104026.51 02:00:01 1.54 0.00 1.52 0.02 0.00 23.19 0.44 02:10:01 1.44 0.00 1.43 0.01 0.00 20.62 0.19 Average: 3.54 0.15 2.02 1.36 13.23 126.43 9734.29 00:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 5230324 7403528 363760 4.47 86508 2247452 610436 6.65 577852 2019120 200 00:40:01 5232368 7406800 360252 4.43 86676 2248508 613876 6.69 580420 2020348 192 00:50:02 5232768 7408396 358696 4.41 86788 2249624 614028 6.69 580640 2021544 204 01:00:01 5169008 7372572 394460 4.85 87084 2277120 614292 6.69 590564 2040292 164 01:10:01 5176372 7381336 385668 4.74 87208 2278416 614292 6.69 590880 2041688 200 01:20:02 5181164 7388608 378416 4.65 87416 2280668 616340 6.71 592340 2044040 312 01:30:01 5172036 7381288 385708 4.74 87648 2282260 616404 6.71 592236 2045840 284 01:40:01 5170524 7381728 385088 4.74 87852 2283984 671544 7.31 597672 2047788 196 01:50:15 5169768 7382420 384516 4.73 87972 2285312 616536 6.72 592404 2049208 268 02:00:01 5171820 7386040 380880 4.68 88108 2286752 616536 6.72 592516 2050772 304 02:10:01 5171568 7387232 379680 4.67 88272 2287996 616536 6.72 592712 2052072 184 Average: 5188884 7389086 377920 4.65 87412 2273463 620075 6.75 589112 2039337 228 00:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 lo 1.18 1.18 0.07 0.07 0.00 0.00 0.00 0.00 00:30:01 ens3 6.65 5.12 35.48 1.59 0.00 0.00 0.00 0.00 00:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:01 ens3 2.35 0.16 0.36 0.12 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 2.35 0.15 0.30 0.11 0.00 0.00 0.00 0.00 01:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 1.19 0.54 3.25 0.08 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 0.81 0.14 8.06 0.06 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.60 0.16 0.15 0.08 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.35 0.09 0.08 0.04 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 0.61 0.18 0.16 0.10 0.00 0.00 0.00 0.00 01:50:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:15 ens3 3.02 0.26 0.56 0.18 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.57 0.37 0.25 0.13 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.69 0.11 0.10 0.03 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.84 0.66 4.44 0.23 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-29000) 06/21/26 _x86_64_ (2 CPU) 00:15:57 LINUX RESTART (2 CPU) 00:20:00 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 5.94 0.00 0.93 0.20 0.04 92.88 00:30:01 0 5.44 0.00 0.86 0.21 0.04 93.45 00:30:01 1 6.44 0.00 1.01 0.20 0.04 92.32 00:40:01 all 0.60 0.00 0.14 0.01 0.04 99.22 00:40:01 0 0.52 0.00 0.11 0.01 0.03 99.34 00:40:01 1 0.68 0.00 0.16 0.01 0.05 99.10 00:50:02 all 0.58 0.00 0.11 0.01 0.04 99.25 00:50:02 0 0.51 0.00 0.09 0.01 0.03 99.37 00:50:02 1 0.66 0.00 0.14 0.01 0.05 99.14 01:00:01 all 0.76 0.00 0.24 0.02 0.04 98.94 01:00:01 0 0.96 0.00 0.29 0.03 0.06 98.68 01:00:01 1 0.56 0.00 0.19 0.02 0.03 99.21 01:10:01 all 0.63 0.00 0.11 0.01 0.04 99.21 01:10:01 0 0.65 0.00 0.11 0.01 0.04 99.20 01:10:01 1 0.62 0.00 0.12 0.01 0.04 99.21 01:20:02 all 0.72 0.00 0.12 0.01 0.05 99.11 01:20:02 0 0.89 0.00 0.15 0.01 0.06 98.89 01:20:02 1 0.55 0.00 0.10 0.01 0.03 99.32 01:30:01 all 0.65 0.00 0.22 0.01 0.05 99.07 01:30:01 0 0.73 0.00 0.24 0.01 0.06 98.96 01:30:01 1 0.58 0.00 0.20 0.01 0.03 99.18 01:40:01 all 0.70 0.00 0.12 0.01 0.04 99.12 01:40:01 0 0.80 0.00 0.12 0.01 0.05 99.03 01:40:01 1 0.61 0.00 0.13 0.01 0.04 99.21 01:50:15 all 0.62 0.00 0.13 0.03 0.04 99.18 01:50:15 0 0.65 0.00 0.11 0.01 0.04 99.19 01:50:15 1 0.58 0.00 0.15 0.05 0.05 99.17 02:00:01 all 0.67 0.00 0.23 0.01 0.04 99.06 02:00:01 0 0.64 0.00 0.23 0.01 0.04 99.09 02:00:01 1 0.70 0.00 0.23 0.01 0.04 99.02 02:10:01 all 0.63 0.00 0.13 0.22 0.04 98.98 02:10:01 0 0.73 0.00 0.16 0.24 0.05 98.82 02:10:01 1 0.53 0.00 0.11 0.21 0.03 99.13 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.14 0.00 0.23 0.05 0.04 98.55 Average: 0 1.14 0.00 0.22 0.05 0.04 98.55 Average: 1 1.14 0.00 0.23 0.05 0.04 98.55