---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17254 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 772 5124 4 2337 7169 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:09:b3:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.153/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79957sec preferred_lft 79957sec inet6 fe80::f816:3eff:fe09:b3c4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17254) 05/21/26 _x86_64_ (2 CPU) 00:15:42 LINUX RESTART (2 CPU) 00:20:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:14 1.40 0.03 1.36 0.02 1.26 17.22 886.56 00:40:01 1.26 0.01 1.24 0.02 0.05 14.97 0.99 00:50:03 1.18 0.00 1.16 0.02 0.00 14.21 1.31 01:00:24 1.34 0.00 1.31 0.03 0.00 16.82 844.28 01:10:01 25.71 3.31 19.89 2.50 241.56 4000.19 1578.96 01:20:14 1.97 0.25 1.69 0.03 31.38 81.16 1.33 01:30:24 1.53 0.00 1.51 0.02 0.00 22.60 0.25 01:40:01 1.36 0.00 1.35 0.01 0.00 141.29 418.17 01:50:24 14.44 0.00 1.39 13.04 0.14 30.13 102622.34 02:00:24 1.54 0.00 1.52 0.03 0.00 25.08 0.51 Average: 5.13 0.35 3.17 1.61 26.60 421.23 11006.72 00:20:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:14 6285296 7532192 288324 3.55 30616 1421952 531376 5.79 453556 1183392 220 00:40:01 6292632 7540032 280436 3.45 30816 1422284 531648 5.79 454024 1183892 128 00:50:03 6291372 7539340 281144 3.46 31020 1422608 531780 5.79 454312 1184452 188 01:00:24 6288880 7537388 283072 3.48 31220 1422936 531804 5.79 454396 1184980 188 01:10:01 5127980 7294316 473952 5.83 86760 2240616 729120 7.94 681436 2012456 564 01:20:14 5132272 7327008 441160 5.42 87036 2268688 704648 7.67 658112 2031600 204 01:30:24 5142528 7338744 429392 5.28 87200 2269988 691736 7.53 644040 2033056 136 01:40:01 5079364 7312268 455548 5.60 87348 2306188 712104 7.76 664152 2069412 120 01:50:24 5061752 7299268 468436 5.76 87480 2310604 714068 7.78 667076 2073932 136 02:00:24 5052584 7292256 475360 5.85 87648 2312556 714464 7.78 667652 2076044 196 Average: 5575466 7401281 387682 4.77 64714 1939842 639275 6.96 579876 1703322 208 00:20:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:14 ens3 0.86 0.13 0.20 0.10 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 0.63 0.15 0.18 0.10 0.00 0.00 0.00 0.00 00:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 0.50 0.19 0.08 0.58 0.00 0.00 0.00 0.00 01:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:24 ens3 0.28 0.07 0.09 0.05 0.00 0.00 0.00 0.00 01:10:01 lo 2.67 2.67 0.22 0.22 0.00 0.00 0.00 0.00 01:10:01 ens3 72.23 54.21 443.02 12.56 0.00 0.00 0.00 0.00 01:20:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 15.60 13.34 140.48 1.20 0.00 0.00 0.00 0.00 01:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 5.77 5.21 32.61 0.66 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 15.86 14.37 163.09 1.61 0.00 0.00 0.00 0.00 01:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 17.17 16.64 163.48 1.67 0.00 0.00 0.00 0.00 02:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:24 ens3 13.82 13.60 140.25 1.20 0.00 0.00 0.00 0.00 Average: lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 Average: ens3 14.05 11.63 107.04 1.93 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17254) 05/21/26 _x86_64_ (2 CPU) 00:15:42 LINUX RESTART (2 CPU) 00:20:24 CPU %user %nice %system %iowait %steal %idle 00:30:14 all 0.30 0.00 0.17 0.01 0.04 99.49 00:30:14 0 0.07 0.00 0.18 0.01 0.04 99.71 00:30:14 1 0.52 0.00 0.16 0.02 0.03 99.27 00:40:01 all 0.29 0.00 0.07 0.01 0.03 99.60 00:40:01 0 0.24 0.00 0.07 0.01 0.04 99.64 00:40:01 1 0.33 0.00 0.07 0.01 0.03 99.56 00:50:03 all 0.26 0.00 0.06 0.01 0.03 99.64 00:50:03 0 0.45 0.00 0.03 0.02 0.02 99.48 00:50:03 1 0.06 0.00 0.09 0.00 0.04 99.81 01:00:24 all 0.25 0.00 0.15 0.01 0.03 99.56 01:00:24 0 0.28 0.00 0.15 0.01 0.03 99.53 01:00:24 1 0.22 0.00 0.15 0.01 0.04 99.58 01:10:01 all 13.08 0.00 1.86 0.57 0.06 84.43 01:10:01 0 11.12 0.00 1.63 0.61 0.05 86.58 01:10:01 1 15.04 0.00 2.09 0.52 0.07 82.28 01:20:14 all 0.97 0.00 0.24 0.02 0.07 98.70 01:20:14 0 1.14 0.00 0.31 0.02 0.08 98.46 01:20:14 1 0.81 0.00 0.17 0.02 0.06 98.94 01:30:24 all 5.10 0.00 0.56 0.01 0.08 94.25 01:30:24 0 6.18 0.00 0.64 0.01 0.08 93.10 01:30:24 1 4.04 0.00 0.48 0.01 0.08 95.39 01:40:01 all 3.59 0.00 0.38 0.01 0.08 95.94 01:40:01 0 3.05 0.00 0.40 0.01 0.08 96.46 01:40:01 1 4.14 0.00 0.37 0.01 0.07 95.41 01:50:24 all 1.52 0.00 0.30 0.03 0.07 98.08 01:50:24 0 1.44 0.00 0.29 0.04 0.06 98.18 01:50:24 1 1.60 0.00 0.32 0.02 0.08 97.98 02:00:24 all 0.88 0.00 0.31 0.01 0.07 98.73 02:00:24 0 0.84 0.00 0.34 0.01 0.08 98.74 02:00:24 1 0.92 0.00 0.28 0.01 0.07 98.72 Average: all 2.57 0.00 0.40 0.07 0.06 96.90 Average: 0 2.44 0.00 0.40 0.07 0.06 97.04 Average: 1 2.70 0.00 0.41 0.06 0.06 96.77