---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-53400 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 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 5277 4 2172 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:13:27:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82292sec preferred_lft 82292sec inet6 fe80::f816:3eff:fe13:2785/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53400) 03/27/26 _x86_64_ (2 CPU) 05:13:54 LINUX RESTART (2 CPU) 05:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:07 1.69 0.01 1.67 0.02 0.05 20.05 871.92 05:40:07 1.31 0.00 1.29 0.02 0.00 15.51 1.09 05:50:07 1.36 0.00 1.35 0.02 0.00 16.07 1.20 06:00:07 2.18 0.32 1.82 0.05 39.01 69.37 873.09 06:10:07 1.57 0.03 1.52 0.02 3.20 24.64 1.17 06:20:07 21.93 3.00 16.70 2.23 226.21 3127.64 535.84 Average: 5.01 0.56 4.06 0.39 44.75 545.55 380.72 05:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:07 6295816 7542288 278128 3.42 30636 1421732 525680 5.73 450740 1183304 260 05:40:07 6295060 7542080 278324 3.42 30840 1422064 525744 5.73 450856 1183840 256 05:50:07 6294304 7541872 278528 3.42 31056 1422388 525840 5.73 450876 1184384 144 06:00:07 6228112 7504364 315292 3.88 31472 1450280 723328 7.88 467992 1201632 2308 06:10:07 6243228 7521116 298716 3.67 31672 1451688 525972 5.73 463240 1202240 212 06:20:07 5316372 7423740 348056 4.28 85036 2186644 579008 6.31 581324 1945444 2632 Average: 6112149 7512577 299507 3.68 40119 1559133 567595 6.18 477505 1316807 969 05:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:07 ens3 0.78 0.09 0.14 0.06 0.00 0.00 0.00 0.00 05:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:07 ens3 0.38 0.03 0.05 0.01 0.00 0.00 0.00 0.00 05:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:07 ens3 0.35 0.04 0.06 0.02 0.00 0.00 0.00 0.00 06:00:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:00:07 ens3 0.50 0.22 3.06 0.05 0.00 0.00 0.00 0.00 06:10:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 06:10:07 ens3 0.28 0.05 0.06 0.02 0.00 0.00 0.00 0.00 06:20:07 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 06:20:07 ens3 53.41 35.91 296.83 10.68 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 9.28 6.06 50.03 1.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-53400) 03/27/26 _x86_64_ (2 CPU) 05:13:54 LINUX RESTART (2 CPU) 05:20:07 CPU %user %nice %system %iowait %steal %idle 05:30:07 all 0.27 0.00 0.17 0.02 0.04 99.50 05:30:07 0 0.15 0.00 0.17 0.03 0.04 99.62 05:30:07 1 0.39 0.00 0.18 0.01 0.03 99.39 05:40:07 all 0.23 0.00 0.07 0.01 0.04 99.66 05:40:07 0 0.37 0.00 0.06 0.01 0.03 99.54 05:40:07 1 0.09 0.00 0.08 0.02 0.05 99.77 05:50:07 all 0.25 0.00 0.07 0.01 0.04 99.64 05:50:07 0 0.05 0.00 0.07 0.01 0.04 99.83 05:50:07 1 0.45 0.00 0.06 0.01 0.03 99.45 06:00:07 all 0.33 0.00 0.21 0.03 0.04 99.39 06:00:07 0 0.25 0.00 0.23 0.05 0.04 99.43 06:00:07 1 0.42 0.00 0.18 0.01 0.04 99.35 06:10:07 all 0.26 0.00 0.08 0.01 0.04 99.61 06:10:07 0 0.07 0.00 0.09 0.01 0.05 99.79 06:10:07 1 0.44 0.00 0.08 0.01 0.04 99.43 06:20:07 all 10.51 0.00 1.63 0.51 0.05 87.31 06:20:07 0 12.54 0.00 1.79 0.82 0.05 84.80 06:20:07 1 8.47 0.00 1.47 0.19 0.05 89.83 Average: all 1.97 0.00 0.37 0.10 0.04 97.52 Average: 0 2.24 0.00 0.40 0.15 0.04 97.17 Average: 1 1.71 0.00 0.34 0.04 0.04 97.87