---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8127 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 779 5192 4 2258 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:a6:8c:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.180/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81867sec preferred_lft 81867sec inet6 fe80::f816:3eff:fea6:8c7e/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-8127) 04/26/26 _x86_64_ (2 CPU) 00:17:20 LINUX RESTART (2 CPU) 00:20:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:24 1.65 0.03 1.60 0.02 2.30 19.60 437.84 00:40:04 23.15 3.14 17.72 2.29 236.28 3257.48 649.09 00:50:26 1.40 0.00 1.38 0.02 0.00 22.47 0.98 01:00:26 1.56 0.00 1.54 0.02 0.00 23.35 0.25 01:10:04 15.50 0.00 1.53 13.96 0.15 143.27 111256.41 01:20:27 1.38 0.00 1.38 0.00 0.01 29.58 0.15 01:30:14 1.60 0.00 1.58 0.03 0.00 24.86 0.49 Average: 6.44 0.44 3.75 2.26 33.08 488.28 15507.71 00:20:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:24 6255604 7531584 288628 3.55 30820 1450480 528376 5.76 454024 1200420 172 00:40:04 5292736 7404940 366972 4.51 84364 2191908 653768 7.12 610328 1949868 212 00:50:26 5241296 7355664 416276 5.12 84516 2193968 663816 7.23 612656 1952048 172 01:00:26 5243356 7359440 412508 5.07 84660 2195516 682644 7.44 631632 1953768 180 01:10:04 5189468 7342012 429796 5.28 84844 2231700 688964 7.50 635304 1990112 188 01:20:27 5160020 7317260 454512 5.59 85004 2236180 708052 7.71 655144 1994620 252 01:30:14 5158172 7317472 454232 5.59 85132 2238096 708144 7.71 655376 1996652 160 Average: 5362950 7375482 403275 4.96 77049 2105407 661966 7.21 607781 1862498 191 00:20:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:24 ens3 1.17 0.08 0.12 0.04 0.00 0.00 0.00 0.00 00:40:04 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:04 ens3 73.88 48.56 311.14 12.60 0.00 0.00 0.00 0.00 00:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:26 ens3 21.63 19.72 242.48 1.58 0.00 0.00 0.00 0.00 01:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:26 ens3 6.76 6.24 33.30 0.75 0.00 0.00 0.00 0.00 01:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 16.14 14.08 163.10 1.59 0.00 0.00 0.00 0.00 01:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 17.36 16.16 163.33 1.68 0.00 0.00 0.00 0.00 01:30:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:14 ens3 15.23 13.62 143.34 1.21 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 21.53 16.82 150.80 2.73 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-8127) 04/26/26 _x86_64_ (2 CPU) 00:17:20 LINUX RESTART (2 CPU) 00:20:26 CPU %user %nice %system %iowait %steal %idle 00:30:24 all 0.29 0.00 0.16 0.02 0.03 99.51 00:30:24 0 0.41 0.00 0.16 0.04 0.03 99.36 00:30:24 1 0.17 0.00 0.15 0.01 0.03 99.65 00:40:04 all 11.58 0.00 1.73 0.54 0.05 86.10 00:40:04 0 11.14 0.00 1.85 0.74 0.05 86.22 00:40:04 1 12.02 0.00 1.61 0.33 0.05 85.98 00:50:26 all 0.94 0.00 0.26 0.01 0.05 98.74 00:50:26 0 1.21 0.00 0.34 0.00 0.06 98.38 00:50:26 1 0.67 0.00 0.17 0.01 0.05 99.11 01:00:26 all 3.83 0.00 0.57 0.02 0.08 95.50 01:00:26 0 1.69 0.00 0.35 0.01 0.08 97.88 01:00:26 1 6.03 0.00 0.80 0.03 0.08 93.06 01:10:04 all 4.54 0.00 0.55 0.09 0.07 94.75 01:10:04 0 6.49 0.00 0.68 0.09 0.06 92.68 01:10:04 1 2.60 0.00 0.42 0.09 0.07 96.82 01:20:27 all 1.57 0.00 0.31 0.01 0.06 98.05 01:20:27 0 1.83 0.00 0.26 0.01 0.06 97.84 01:20:27 1 1.31 0.00 0.37 0.01 0.06 98.25 01:30:14 all 0.95 0.00 0.31 0.01 0.06 98.67 01:30:14 0 1.11 0.00 0.39 0.02 0.07 98.42 01:30:14 1 0.78 0.00 0.24 0.01 0.05 98.92 Average: all 3.32 0.00 0.55 0.10 0.06 95.98 Average: 0 3.34 0.00 0.57 0.13 0.06 95.91 Average: 1 3.30 0.00 0.53 0.07 0.06 96.04