---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2467 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 764 5099 4 2370 7177 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:72:93:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81605sec preferred_lft 81605sec inet6 fe80::f816:3eff:fe72:93ed/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2467) 08/06/26 _x86_64_ (2 CPU) 00:41:59 LINUX RESTART (2 CPU) 00:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:00 14.82 0.03 1.51 13.27 2.35 19.29 109921.16 01:10:00 1.22 0.00 1.20 0.02 0.00 14.67 1.07 01:20:00 1.22 0.00 1.20 0.02 0.01 14.55 1.07 01:30:00 1.47 0.00 1.44 0.03 0.00 17.83 854.09 01:40:00 2.23 0.71 1.49 0.03 95.19 74.57 57.25 01:50:00 17.26 1.58 14.75 0.94 113.15 2195.11 194.35 02:00:00 13.52 1.43 10.63 1.46 115.51 1461.56 435.85 Average: 7.39 0.54 4.60 2.25 46.60 542.51 15923.81 00:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:00 6268028 7514920 306112 3.76 31116 1421512 530292 5.78 446704 1184168 124 01:10:00 6268564 7516012 305008 3.75 31332 1421848 530496 5.78 446988 1184720 128 01:20:00 6268316 7516304 304672 3.75 31536 1422172 530560 5.78 447036 1185248 124 01:30:00 6283312 7531860 289096 3.55 31752 1422500 530752 5.78 447572 1185792 124 01:40:00 6244468 7522720 297528 3.66 32216 1451348 530752 5.78 458488 1204348 124 01:50:00 5423136 7363548 416740 5.12 72140 2039424 635636 6.92 596340 1816084 47468 02:00:00 5111196 7368300 379532 4.67 88856 2325456 655484 7.14 612272 2089660 312 Average: 5981003 7476238 328384 4.04 45564 1643466 563425 6.14 493629 1407146 6915 00:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:00 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 01:00:00 ens3 0.96 0.06 0.09 0.02 0.00 0.00 0.00 0.00 01:10:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:00 ens3 0.42 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.36 0.10 0.10 0.05 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.59 0.32 0.18 0.70 0.00 0.00 0.00 0.00 01:40:00 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 0.82 0.42 3.31 0.08 0.00 0.00 0.00 0.00 01:50:00 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 01:50:00 ens3 44.91 28.16 278.67 6.21 0.00 0.00 0.00 0.00 02:00:00 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 02:00:00 ens3 48.82 38.73 70.95 9.75 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.84 9.70 50.48 2.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2467) 08/06/26 _x86_64_ (2 CPU) 00:41:59 LINUX RESTART (2 CPU) 00:50:00 CPU %user %nice %system %iowait %steal %idle 01:00:00 all 0.33 0.00 0.26 0.17 1.02 98.23 01:00:00 0 0.35 0.00 0.26 0.02 0.71 98.66 01:00:00 1 0.31 0.00 0.25 0.32 1.32 97.80 01:10:00 all 0.28 0.00 0.09 0.01 0.03 99.60 01:10:00 0 0.08 0.00 0.10 0.00 0.03 99.79 01:10:00 1 0.47 0.00 0.07 0.02 0.02 99.42 01:20:00 all 0.31 0.00 0.08 0.01 0.02 99.58 01:20:00 0 0.37 0.00 0.09 0.00 0.02 99.52 01:20:00 1 0.25 0.00 0.07 0.02 0.02 99.65 01:30:00 all 0.32 0.00 0.17 0.01 0.02 99.48 01:30:00 0 0.22 0.00 0.19 0.01 0.02 99.56 01:30:00 1 0.42 0.00 0.15 0.01 0.01 99.40 01:40:00 all 0.39 0.00 0.11 0.03 0.02 99.46 01:40:00 0 0.27 0.00 0.16 0.05 0.02 99.50 01:40:00 1 0.51 0.00 0.06 0.01 0.01 99.41 01:50:00 all 6.51 0.00 0.98 0.34 0.03 92.14 01:50:00 0 5.54 0.00 0.96 0.27 0.04 93.19 01:50:00 1 7.47 0.00 1.00 0.41 0.03 91.10 02:00:00 all 12.79 0.00 1.31 0.36 0.08 85.47 02:00:00 0 11.61 0.00 1.35 0.55 0.08 86.42 02:00:00 1 13.97 0.00 1.27 0.17 0.07 84.52 Average: all 2.98 0.00 0.43 0.13 0.17 96.29 Average: 0 2.63 0.00 0.45 0.13 0.13 96.66 Average: 1 3.33 0.00 0.41 0.14 0.21 95.91