---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32987 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 925 4887 4 2422 7015 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:23:e4:1f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 76574sec preferred_lft 76574sec inet6 fe80::f816:3eff:fe23:e41f/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-32987) 07/05/26 _x86_64_ (2 CPU) 00:16:07 LINUX RESTART (2 CPU) 00:20:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:42 4.92 0.21 4.17 0.55 8.92 796.67 284.36 00:40:01 1.27 0.01 1.26 0.00 0.06 54.88 0.00 00:50:42 1.25 0.00 1.25 0.00 0.00 25.73 0.00 01:00:02 1.51 0.00 1.49 0.02 0.00 32.69 0.41 01:10:01 1.37 0.00 1.37 0.00 0.00 46.04 0.24 01:20:42 1.36 0.00 1.36 0.01 0.00 31.95 0.20 01:30:42 1.58 0.00 1.56 0.02 0.00 30.25 0.39 01:40:01 15.83 0.00 1.35 14.47 0.16 26.90 114172.13 01:50:32 1.46 0.01 1.45 0.00 0.57 30.21 0.04 02:00:12 1.63 0.00 1.61 0.02 0.00 30.17 0.41 02:10:01 1.34 0.00 1.34 0.00 0.00 26.95 0.37 02:20:02 1.33 0.00 1.33 0.00 0.00 29.15 0.00 02:30:32 1.57 0.00 1.55 0.02 0.00 29.61 1.05 02:40:01 1.64 0.00 1.59 0.05 0.00 31.22 7.51 02:50:42 1.43 0.00 1.39 0.03 0.00 29.65 7.09 Average: 2.57 0.02 1.61 0.95 0.67 84.89 7094.92 00:20:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:42 5155476 7358408 408732 5.03 86784 2276544 683336 7.44 622840 2039692 212 00:40:01 5134528 7348972 417900 5.14 86920 2287908 693908 7.56 632440 2051208 372 00:50:42 5139096 7357440 409436 5.03 87068 2291660 686088 7.47 632700 2055108 396 01:00:02 5124244 7346960 419868 5.16 87220 2295884 686056 7.47 632760 2059476 756 01:10:01 5124300 7356296 410244 5.04 87376 2304980 742476 8.09 640044 2068584 780 01:20:42 5119508 7356332 410396 5.05 87536 2309560 688640 7.50 635292 2073348 124 01:30:42 5106424 7346888 419752 5.16 87700 2312988 696912 7.59 635344 2076940 328 01:40:01 5101892 7345720 420896 5.18 87812 2316196 688824 7.50 635580 2080232 428 01:50:32 5090948 7339196 427356 5.25 87952 2320428 688872 7.50 635748 2084476 200 02:00:12 5085260 7336800 429676 5.28 88132 2323488 688904 7.50 635804 2087592 312 02:10:01 5085020 7340108 426352 5.24 88280 2326836 688936 7.50 635896 2091092 160 02:20:02 5082288 7341708 424648 5.22 88424 2330964 688936 7.50 635964 2095360 316 02:30:32 5085416 7348352 417948 5.14 88560 2334288 689072 7.51 635968 2098816 284 02:40:01 5076092 7342492 423756 5.21 88788 2337476 689116 7.51 636052 2102240 192 02:50:42 5080908 7351748 414440 5.10 88980 2341668 689096 7.51 636204 2106496 128 Average: 5106093 7347828 418760 5.15 87835 2314058 692611 7.54 634576 2078044 333 00:20:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:42 lo 1.06 1.06 0.05 0.05 0.00 0.00 0.00 0.00 00:30:42 ens3 81.95 59.79 16.68 12.01 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 19.63 16.49 4.22 2.34 0.00 0.00 0.00 0.00 00:50:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:42 ens3 7.32 6.00 1.65 1.01 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 13.17 11.19 2.86 1.76 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 4.97 4.87 0.87 0.62 0.00 0.00 0.00 0.00 01:20:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:42 ens3 9.52 7.91 2.26 1.43 0.00 0.00 0.00 0.00 01:30:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:42 ens3 9.61 8.56 2.00 1.21 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 6.44 5.51 1.51 0.92 0.00 0.00 0.00 0.00 01:50:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:32 ens3 12.44 8.13 2.76 1.57 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 7.24 5.81 1.40 0.83 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 6.32 5.11 1.51 0.95 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 12.42 9.69 10.14 1.75 0.00 0.00 0.00 0.00 02:30:32 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:32 ens3 6.63 5.54 2.17 0.92 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 6.14 5.18 1.48 0.92 0.00 0.00 0.00 0.00 02:50:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:42 ens3 9.09 7.61 2.19 1.40 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 14.30 11.22 3.61 2.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32987) 07/05/26 _x86_64_ (2 CPU) 00:16:07 LINUX RESTART (2 CPU) 00:20:22 CPU %user %nice %system %iowait %steal %idle 00:30:42 all 5.43 0.00 0.83 0.07 0.07 93.61 00:30:42 0 5.39 0.00 0.87 0.04 0.07 93.63 00:30:42 1 5.48 0.00 0.78 0.09 0.06 93.59 00:40:01 all 6.91 0.00 0.77 0.01 0.09 92.22 00:40:01 0 7.63 0.00 0.93 0.01 0.08 91.35 00:40:01 1 6.20 0.00 0.62 0.01 0.09 93.09 00:50:42 all 3.24 0.00 0.49 0.01 0.08 96.19 00:50:42 0 1.88 0.00 0.58 0.00 0.09 97.45 00:50:42 1 4.59 0.00 0.39 0.01 0.08 94.93 01:00:02 all 6.64 0.00 0.66 0.01 0.09 92.60 01:00:02 0 6.61 0.00 0.73 0.01 0.11 92.55 01:00:02 1 6.68 0.00 0.59 0.01 0.07 92.66 01:10:01 all 5.03 0.00 0.74 0.04 0.08 94.10 01:10:01 0 2.98 0.00 0.58 0.07 0.10 96.27 01:10:01 1 7.09 0.00 0.91 0.02 0.06 91.93 01:20:42 all 4.16 0.00 0.40 0.01 0.08 95.34 01:20:42 0 4.15 0.00 0.41 0.01 0.09 95.34 01:20:42 1 4.18 0.00 0.39 0.01 0.08 95.34 01:30:42 all 5.56 0.00 0.74 0.01 0.08 93.60 01:30:42 0 8.65 0.00 1.04 0.00 0.08 90.23 01:30:42 1 2.52 0.00 0.45 0.02 0.09 96.93 01:40:01 all 2.97 0.00 0.52 0.04 0.09 96.37 01:40:01 0 3.99 0.00 0.81 0.07 0.12 95.02 01:40:01 1 1.96 0.00 0.23 0.02 0.07 97.72 01:50:32 all 6.19 0.00 0.49 0.01 0.09 93.22 01:50:32 0 9.60 0.00 0.64 0.00 0.09 89.66 01:50:32 1 2.76 0.00 0.34 0.02 0.08 96.80 02:00:12 all 3.67 0.00 0.80 0.05 0.08 95.41 02:00:12 0 4.03 0.00 0.91 0.02 0.09 94.95 02:00:12 1 3.31 0.00 0.68 0.07 0.06 95.87 02:10:01 all 2.64 0.00 0.31 0.22 0.05 96.77 02:10:01 0 2.85 0.00 0.34 0.22 0.06 96.54 02:10:01 1 2.44 0.00 0.28 0.22 0.05 97.00 02:10:01 CPU %user %nice %system %iowait %steal %idle 02:20:02 all 5.08 0.00 0.78 0.08 0.06 94.00 02:20:02 0 5.14 0.00 1.05 0.10 0.06 93.65 02:20:02 1 5.02 0.00 0.52 0.05 0.06 94.35 02:30:32 all 3.19 0.00 0.66 0.04 0.05 96.06 02:30:32 0 2.75 0.00 0.60 0.07 0.05 96.53 02:30:32 1 3.63 0.00 0.73 0.01 0.04 95.58 02:40:01 all 2.75 0.00 0.56 0.12 0.05 96.53 02:40:01 0 2.57 0.00 0.38 0.15 0.05 96.85 02:40:01 1 2.92 0.00 0.74 0.08 0.04 96.22 02:50:42 all 3.95 0.00 0.41 0.13 0.05 95.46 02:50:42 0 3.41 0.00 0.39 0.11 0.05 96.03 02:50:42 1 4.49 0.00 0.43 0.14 0.04 94.89 Average: all 4.49 0.00 0.61 0.06 0.07 94.78 Average: 0 4.76 0.00 0.68 0.06 0.08 94.42 Average: 1 4.21 0.00 0.54 0.05 0.07 95.13