---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10754 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 7.9G 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 780 5260 4 2190 7161 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:14:cd:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78345sec preferred_lft 78345sec inet6 fe80::f816:3eff:fe14:cdcb/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-10754) 05/04/26 _x86_64_ (2 CPU) 03:27:36 LINUX RESTART (2 CPU) 03:30:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:40:12 1.72 0.28 1.44 0.01 32.21 73.07 0.29 03:50:01 1.29 0.01 1.27 0.02 1.13 15.82 1.03 04:00:12 13.79 0.00 1.43 12.35 0.14 17.61 107636.99 04:10:12 1.23 0.00 1.21 0.02 0.00 14.84 1.20 04:20:01 1.34 0.00 1.32 0.02 0.01 16.23 1.35 04:30:12 1.46 0.00 1.43 0.03 0.00 17.99 642.39 04:40:07 22.61 3.04 17.33 2.25 229.64 3208.02 507.51 04:50:01 1.22 0.00 1.22 0.00 0.00 15.83 0.00 05:00:12 1.55 0.00 1.53 0.01 0.00 20.68 0.33 05:10:12 1.22 0.00 1.22 0.00 0.00 16.85 0.00 05:20:01 1.28 0.00 1.28 0.00 0.00 18.15 0.00 05:30:12 1.56 0.00 1.55 0.01 0.00 20.43 0.33 05:40:12 1.51 0.00 1.50 0.01 0.00 22.57 0.17 Average: 3.99 0.25 2.58 1.15 20.08 265.35 8517.23 03:30:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:40:12 6249460 7522688 297388 3.66 30736 1447852 714504 7.78 457616 1200156 128 03:50:01 6261952 7536044 284092 3.49 30952 1448496 520152 5.67 452288 1200692 152 04:00:12 6260432 7535156 284832 3.50 31168 1448872 520392 5.67 452584 1201268 176 04:10:12 6277580 7552840 267144 3.28 31368 1449200 520392 5.67 452712 1201796 180 04:20:01 6276320 7552276 267612 3.29 31608 1449648 575472 6.27 458060 1202364 164 04:30:12 6266772 7543328 276552 3.40 31844 1449984 520384 5.67 449544 1202928 176 04:40:07 5274400 7392460 379132 4.66 85216 2196864 655364 7.14 615452 1957756 260 04:50:01 5277556 7396340 375256 4.61 85344 2197456 656388 7.15 616300 1958480 304 05:00:12 5261788 7381496 390032 4.80 85456 2198260 656604 7.15 616848 1959400 160 05:10:12 5265436 7386104 385476 4.74 85596 2199080 656676 7.15 616908 1960360 268 05:20:01 5271764 7393716 377868 4.65 85732 2200232 665044 7.24 617348 1961516 316 05:30:12 5259768 7382504 389016 4.78 85860 2200880 665052 7.24 617684 1962296 204 05:40:12 5233056 7357140 414324 5.09 86036 2202076 673384 7.33 626180 1963656 212 Average: 5725868 7456315 337594 4.15 60532 1852992 615370 6.70 542271 1610205 208 03:30:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:40:12 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:40:12 ens3 1.05 0.26 3.18 0.05 0.00 0.00 0.00 0.00 03:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 0.45 0.04 0.06 0.01 0.00 0.00 0.00 0.00 04:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:12 ens3 0.32 0.06 0.22 0.03 0.00 0.00 0.00 0.00 04:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:12 ens3 0.22 0.05 0.05 0.02 0.00 0.00 0.00 0.00 04:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:01 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 04:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:12 ens3 0.23 0.06 0.07 0.03 0.00 0.00 0.00 0.00 04:40:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 04:40:07 ens3 65.26 45.86 305.76 11.84 0.00 0.00 0.00 0.00 04:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:01 ens3 1.20 0.13 0.16 0.06 0.00 0.00 0.00 0.00 05:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:12 ens3 2.18 1.06 2.92 0.16 0.00 0.00 0.00 0.00 05:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:12 ens3 2.17 1.34 0.31 0.13 0.00 0.00 0.00 0.00 05:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:20:01 ens3 3.11 1.86 1.59 0.38 0.00 0.00 0.00 0.00 05:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:12 ens3 0.61 0.11 0.10 0.04 0.00 0.00 0.00 0.00 05:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:12 ens3 6.27 5.85 47.76 0.48 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 6.36 4.33 27.65 1.01 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10754) 05/04/26 _x86_64_ (2 CPU) 03:27:36 LINUX RESTART (2 CPU) 03:30:12 CPU %user %nice %system %iowait %steal %idle 03:40:12 all 0.40 0.00 0.11 0.02 0.02 99.45 03:40:12 0 0.17 0.00 0.12 0.01 0.02 99.68 03:40:12 1 0.64 0.00 0.11 0.03 0.02 99.22 03:50:01 all 0.27 0.00 0.08 0.01 0.02 99.62 03:50:01 0 0.47 0.00 0.07 0.01 0.02 99.43 03:50:01 1 0.07 0.00 0.09 0.01 0.02 99.81 04:00:12 all 0.29 0.00 0.16 0.03 0.02 99.50 04:00:12 0 0.34 0.00 0.15 0.05 0.02 99.44 04:00:12 1 0.24 0.00 0.18 0.00 0.02 99.56 04:10:12 all 0.25 0.00 0.07 0.01 0.02 99.65 04:10:12 0 0.35 0.00 0.07 0.01 0.02 99.55 04:10:12 1 0.14 0.00 0.08 0.00 0.03 99.75 04:20:01 all 0.27 0.00 0.08 0.02 0.03 99.61 04:20:01 0 0.12 0.00 0.08 0.02 0.03 99.75 04:20:01 1 0.42 0.00 0.07 0.01 0.03 99.47 04:30:12 all 0.29 0.00 0.16 0.01 0.03 99.51 04:30:12 0 0.08 0.00 0.16 0.02 0.03 99.72 04:30:12 1 0.51 0.00 0.16 0.01 0.03 99.30 04:40:07 all 10.89 0.00 1.67 0.49 0.06 86.89 04:40:07 0 12.09 0.00 1.73 0.67 0.06 85.45 04:40:07 1 9.70 0.00 1.61 0.31 0.05 88.33 04:50:01 all 0.43 0.00 0.13 0.01 0.06 99.37 04:50:01 0 0.39 0.00 0.15 0.01 0.06 99.40 04:50:01 1 0.46 0.00 0.12 0.01 0.06 99.35 05:00:12 all 0.50 0.00 0.23 0.01 0.06 99.20 05:00:12 0 0.51 0.00 0.22 0.01 0.05 99.21 05:00:12 1 0.50 0.00 0.23 0.01 0.08 99.18 05:10:12 all 0.47 0.00 0.13 0.01 0.06 99.32 05:10:12 0 0.49 0.00 0.09 0.01 0.04 99.37 05:10:12 1 0.46 0.00 0.18 0.01 0.09 99.27 05:20:01 all 0.59 0.00 0.15 0.01 0.06 99.19 05:20:01 0 0.61 0.00 0.20 0.01 0.08 99.09 05:20:01 1 0.58 0.00 0.09 0.01 0.03 99.29 05:20:01 CPU %user %nice %system %iowait %steal %idle 05:30:12 all 0.44 0.00 0.21 0.01 0.06 99.29 05:30:12 0 0.36 0.00 0.22 0.01 0.07 99.33 05:30:12 1 0.51 0.00 0.19 0.00 0.05 99.24 05:40:12 all 0.60 0.00 0.17 0.01 0.06 99.16 05:40:12 0 0.53 0.00 0.11 0.02 0.04 99.31 05:40:12 1 0.67 0.00 0.23 0.00 0.08 99.01 Average: all 1.20 0.00 0.26 0.05 0.04 98.45 Average: 0 1.26 0.00 0.26 0.06 0.04 98.38 Average: 1 1.14 0.00 0.26 0.03 0.04 98.53