---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35867 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 8.0G 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 748 5205 4 2281 7193 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:ba:29:cd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80544sec preferred_lft 80544sec inet6 fe80::f816:3eff:feba:29cd/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-35867) 07/15/26 _x86_64_ (2 CPU) 00:40:39 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.58 0.01 1.55 0.02 0.05 18.26 0.75 01:10:24 1.36 0.00 1.34 0.02 0.00 15.45 0.95 01:20:01 1.39 0.00 1.37 0.02 0.01 15.88 1.25 01:30:01 1.52 0.00 1.49 0.03 0.00 18.29 1.25 01:40:18 1.89 0.40 1.47 0.02 15.56 48.66 1.14 01:50:01 24.44 2.53 19.52 2.39 215.93 3619.38 921.28 02:00:01 15.11 0.02 1.56 13.52 0.75 19.70 106449.48 02:10:24 1.47 0.00 1.46 0.01 0.00 18.52 0.09 Average: 5.99 0.36 3.65 1.99 28.18 456.85 13357.95 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6276388 7550912 269072 3.31 30968 1448912 529324 5.77 453096 1201292 176 01:10:24 6281960 7557056 262980 3.23 31180 1449240 529464 5.77 453468 1201860 132 01:20:01 6278436 7554092 265860 3.27 31400 1449572 529536 5.77 455796 1202412 308 01:30:01 6269880 7546104 273848 3.37 31620 1449900 529540 5.77 455644 1202960 284 01:40:18 6229284 7520808 298772 3.67 31984 1464772 548924 5.98 486048 1216540 252 01:50:01 5199444 7414824 351616 4.32 87648 2287208 625800 6.82 591284 2050608 272 02:00:01 5172284 7388380 377900 4.65 87788 2287784 624196 6.80 590208 2051176 164 02:10:24 5186716 7403312 362940 4.46 87940 2288136 624196 6.80 590240 2051680 124 Average: 5861799 7491936 307874 3.79 52566 1765690 567622 6.18 509473 1522316 214 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.61 0.08 0.10 0.04 0.00 0.00 0.00 0.00 01:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 0.34 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.43 0.09 0.10 0.06 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 0.29 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 9.37 4.73 19.39 3.08 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 48.38 32.72 310.68 6.31 0.00 0.00 0.00 0.00 02:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.71 0.18 0.23 0.05 0.00 0.00 0.00 0.00 02:10:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 0.57 0.20 0.08 0.03 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 7.54 4.64 40.11 1.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35867) 07/15/26 _x86_64_ (2 CPU) 00:40:39 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.33 0.00 0.17 0.01 0.02 99.47 01:00:01 0 0.38 0.00 0.16 0.01 0.02 99.42 01:00:01 1 0.28 0.00 0.17 0.02 0.03 99.51 01:10:24 all 0.26 0.00 0.08 0.25 0.02 99.39 01:10:24 0 0.44 0.00 0.06 0.38 0.01 99.11 01:10:24 1 0.08 0.00 0.10 0.12 0.02 99.67 01:20:01 all 0.28 0.00 0.09 0.20 0.02 99.42 01:20:01 0 0.34 0.00 0.08 0.34 0.01 99.22 01:20:01 1 0.22 0.00 0.09 0.06 0.02 99.62 01:30:01 all 0.29 0.00 0.16 0.01 0.01 99.53 01:30:01 0 0.09 0.00 0.18 0.02 0.02 99.70 01:30:01 1 0.49 0.00 0.14 0.01 0.01 99.35 01:40:18 all 0.55 0.00 0.11 0.02 0.02 99.31 01:40:18 0 0.38 0.00 0.11 0.01 0.02 99.48 01:40:18 1 0.71 0.00 0.11 0.02 0.01 99.14 01:50:01 all 12.28 0.00 1.77 0.59 0.05 85.31 01:50:01 0 9.05 0.00 1.57 0.74 0.04 88.60 01:50:01 1 15.50 0.00 1.98 0.44 0.06 82.02 02:00:01 all 0.41 0.00 0.25 0.04 0.03 99.27 02:00:01 0 0.47 0.00 0.25 0.02 0.03 99.23 02:00:01 1 0.34 0.00 0.25 0.05 0.03 99.32 02:10:24 all 0.39 0.00 0.15 0.04 0.05 99.37 02:10:24 0 0.38 0.00 0.17 0.01 0.04 99.40 02:10:24 1 0.40 0.00 0.12 0.08 0.06 99.34 Average: all 1.80 0.00 0.34 0.14 0.03 97.69 Average: 0 1.41 0.00 0.32 0.19 0.02 98.07 Average: 1 2.19 0.00 0.36 0.10 0.03 97.32