---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7290 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: 5599.86 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 753 5294 4 2182 7188 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:9d:03:2b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.32/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80930sec preferred_lft 80930sec inet6 fe80::f816:3eff:fe9d:32b/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-7290) 04/24/26 _x86_64_ (2 CPU) 02:01:45 LINUX RESTART (2 CPU) 02:10:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:24 1.42 0.01 1.41 0.00 0.07 16.68 0.12 02:30:19 2.02 0.32 1.68 0.02 39.36 75.65 439.99 02:40:24 1.44 0.00 1.42 0.01 1.04 17.05 1.00 02:50:24 1.36 0.00 1.34 0.02 0.00 16.21 1.20 03:00:19 1.60 0.00 1.57 0.03 0.00 19.29 440.56 03:10:24 4.38 1.34 2.94 0.10 96.63 273.13 4.30 03:20:24 32.86 1.67 16.21 14.98 130.81 2886.38 109305.48 03:30:24 1.56 0.02 1.52 0.02 0.60 25.17 0.44 Average: 5.83 0.42 3.51 1.90 33.63 416.42 13773.63 02:10:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:24 6291732 7538204 282324 3.47 30660 1421504 535204 5.83 449028 1183440 176 02:30:19 6234032 7509528 310324 3.82 31012 1449780 737604 8.03 466100 1201004 204 02:40:24 6246548 7522908 297016 3.65 31224 1450420 535372 5.83 460776 1201544 124 02:50:24 6246300 7523196 296724 3.65 31424 1450748 535484 5.83 461272 1202072 124 03:00:19 6255388 7532988 286816 3.53 31652 1451208 535620 5.83 461836 1202628 152 03:10:24 5941460 7389540 419948 5.16 45864 1598748 683028 7.44 588680 1351776 79132 03:20:24 5272456 7384384 387168 4.76 85264 2190772 640256 6.97 605160 1950224 224 03:30:24 5230516 7344660 426756 5.25 85420 2192852 663144 7.22 620108 1952332 252 Average: 5964804 7468176 338384 4.16 46565 1650754 608214 6.62 514120 1405628 10048 02:10:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:24 ens3 0.51 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:30:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 0.61 0.23 3.16 0.03 0.00 0.00 0.00 0.00 02:40:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:24 ens3 0.64 0.09 2.91 0.05 0.00 0.00 0.00 0.00 02:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:24 ens3 0.61 0.12 0.17 0.09 0.00 0.00 0.00 0.00 03:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:19 ens3 0.40 0.18 0.11 0.53 0.00 0.00 0.00 0.00 03:10:24 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 03:10:24 ens3 18.43 10.97 90.91 4.28 0.00 0.00 0.00 0.00 03:20:24 lo 1.24 1.24 0.09 0.09 0.00 0.00 0.00 0.00 03:20:24 ens3 45.50 30.46 219.85 6.80 0.00 0.00 0.00 0.00 03:30:24 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:30:24 ens3 12.95 12.01 107.32 1.12 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.98 6.77 53.16 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-7290) 04/24/26 _x86_64_ (2 CPU) 02:01:45 LINUX RESTART (2 CPU) 02:10:24 CPU %user %nice %system %iowait %steal %idle 02:20:24 all 0.27 0.00 0.07 0.01 0.03 99.62 02:20:24 0 0.07 0.00 0.09 0.01 0.04 99.80 02:20:24 1 0.47 0.00 0.05 0.02 0.03 99.44 02:30:19 all 0.36 0.00 0.19 0.02 0.03 99.39 02:30:19 0 0.32 0.00 0.16 0.02 0.03 99.48 02:30:19 1 0.40 0.00 0.23 0.03 0.04 99.31 02:40:24 all 0.24 0.00 0.08 0.01 0.03 99.64 02:40:24 0 0.16 0.00 0.07 0.01 0.03 99.73 02:40:24 1 0.33 0.00 0.08 0.01 0.04 99.55 02:50:24 all 0.23 0.00 0.07 0.03 0.03 99.64 02:50:24 0 0.07 0.00 0.08 0.05 0.03 99.78 02:50:24 1 0.40 0.00 0.07 0.01 0.03 99.49 03:00:19 all 0.30 0.00 0.15 0.01 0.03 99.50 03:00:19 0 0.09 0.00 0.19 0.01 0.04 99.67 03:00:19 1 0.51 0.00 0.12 0.01 0.03 99.34 03:10:24 all 2.10 0.00 0.36 0.12 0.03 97.39 03:10:24 0 2.56 0.00 0.45 0.21 0.02 96.76 03:10:24 1 1.64 0.00 0.28 0.04 0.03 98.01 03:20:24 all 10.70 0.00 1.59 0.47 0.07 87.17 03:20:24 0 11.77 0.00 1.65 0.54 0.06 85.98 03:20:24 1 9.62 0.00 1.53 0.41 0.08 88.37 03:30:24 all 0.99 0.00 0.30 0.01 0.06 98.65 03:30:24 0 0.82 0.00 0.27 0.01 0.06 98.84 03:30:24 1 1.15 0.00 0.33 0.00 0.06 98.46 Average: all 1.90 0.00 0.35 0.08 0.04 97.63 Average: 0 1.98 0.00 0.37 0.11 0.04 97.51 Average: 1 1.81 0.00 0.33 0.06 0.04 97.75