---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12610 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 791 5169 4 2270 7150 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:33:76:62 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.186/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80601sec preferred_lft 80601sec inet6 fe80::f816:3eff:fe33:7662/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12610) 05/11/26 _x86_64_ (2 CPU) 00:40:07 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:02 1.97 0.26 1.67 0.04 30.96 76.15 653.76 01:10:00 1.38 0.01 1.36 0.02 1.06 15.78 1.15 01:20:03 1.35 0.00 1.35 0.00 0.01 15.55 0.12 01:30:03 14.25 0.00 1.68 12.56 0.15 20.66 109972.10 01:40:01 1.32 0.00 1.32 0.00 0.00 15.44 0.00 01:50:03 1.81 0.40 1.41 0.00 15.71 47.21 0.00 02:00:01 22.11 2.62 17.25 2.24 212.57 3187.06 605.65 02:10:01 1.39 0.00 1.39 0.01 0.35 68.34 0.08 Average: 5.69 0.41 3.42 1.86 32.50 429.11 13907.99 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:02 6226576 7499432 320464 3.94 30952 1447480 722316 7.87 459328 1200608 244 01:10:00 6239876 7513596 306288 3.77 31156 1448116 530712 5.78 457096 1201148 148 01:20:03 6239876 7514112 305768 3.76 31332 1448448 530768 5.78 457512 1201656 208 01:30:03 6242488 7517368 302400 3.72 31556 1448820 530832 5.78 457720 1202224 204 01:40:01 6242488 7517992 301772 3.71 31716 1449276 530896 5.78 458024 1202712 140 01:50:03 6204492 7495180 324336 3.99 32004 1463968 569720 6.21 502544 1216168 356 02:00:01 5279532 7403368 367960 4.52 85384 2202624 642184 6.99 600208 1964312 496 02:10:01 5260428 7400104 371212 4.56 85544 2218348 643848 7.01 602300 1980048 740 Average: 5991970 7482644 325025 4.00 44956 1640885 587660 6.40 499342 1396110 317 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 0.72 0.27 3.16 0.05 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 0.74 0.07 3.97 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.45 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.35 0.15 0.08 0.58 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.40 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:50:03 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 10.34 5.21 23.85 2.65 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 69.10 50.16 283.40 9.95 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 46.10 43.33 10.22 5.83 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 16.00 12.40 40.48 2.40 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12610) 05/11/26 _x86_64_ (2 CPU) 00:40:07 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:02 all 0.38 0.00 0.21 0.02 0.03 99.36 01:00:02 0 0.46 0.00 0.20 0.02 0.02 99.28 01:00:02 1 0.30 0.00 0.21 0.02 0.03 99.44 01:10:00 all 0.26 0.00 0.07 0.01 0.03 99.63 01:10:00 0 0.10 0.00 0.09 0.01 0.04 99.76 01:10:00 1 0.42 0.00 0.06 0.01 0.03 99.49 01:20:03 all 0.27 0.00 0.08 0.01 0.03 99.62 01:20:03 0 0.14 0.00 0.09 0.01 0.03 99.73 01:20:03 1 0.39 0.00 0.06 0.01 0.02 99.51 01:30:03 all 0.27 0.00 0.19 0.04 0.03 99.47 01:30:03 0 0.26 0.00 0.20 0.04 0.03 99.47 01:30:03 1 0.27 0.00 0.18 0.05 0.03 99.47 01:40:01 all 0.23 0.00 0.07 0.01 0.03 99.66 01:40:01 0 0.26 0.00 0.06 0.02 0.02 99.63 01:40:01 1 0.21 0.00 0.07 0.00 0.03 99.69 01:50:03 all 0.53 0.00 0.10 0.02 0.02 99.33 01:50:03 0 0.74 0.00 0.07 0.01 0.01 99.16 01:50:03 1 0.31 0.00 0.12 0.02 0.03 99.51 02:00:01 all 13.52 0.00 1.86 1.17 0.07 83.38 02:00:01 0 11.63 0.00 1.65 0.78 0.08 85.86 02:00:01 1 15.42 0.00 2.07 1.56 0.07 80.89 02:10:01 all 6.21 0.00 0.54 0.05 0.07 93.13 02:10:01 0 5.92 0.00 0.49 0.02 0.07 93.50 02:10:01 1 6.51 0.00 0.58 0.07 0.08 92.76 Average: all 2.69 0.00 0.39 0.16 0.04 96.72 Average: 0 2.43 0.00 0.35 0.11 0.04 97.06 Average: 1 2.95 0.00 0.42 0.22 0.04 96.38