---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12821 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 765 5279 4 2185 7176 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:a8:81:b1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.108/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80701sec preferred_lft 80701sec inet6 fe80::f816:3eff:fea8:81b1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12821) 05/12/26 _x86_64_ (2 CPU) 00:45:20 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.57 0.02 1.53 0.02 1.24 18.63 869.49 01:10:02 1.30 0.01 1.29 0.00 0.05 14.89 0.12 01:20:01 1.19 0.00 1.19 0.00 0.01 13.94 0.12 01:30:03 1.93 0.25 1.65 0.02 30.91 75.26 870.29 01:40:02 1.23 0.01 1.22 0.00 1.05 14.79 0.05 01:50:01 1.11 0.00 1.11 0.01 0.00 13.68 0.25 02:00:03 1.29 0.00 1.26 0.03 0.00 16.13 1.53 02:10:04 1.20 0.00 1.18 0.02 0.00 14.34 1.09 02:20:01 27.30 3.13 20.40 3.76 235.25 3417.65 2902.04 Average: 4.22 0.38 3.42 0.43 29.74 398.41 515.29 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6289444 7537020 283636 3.49 30608 1422624 527052 5.74 446936 1183316 172 01:10:02 6293876 7541968 278684 3.43 30788 1422956 527076 5.74 447040 1183828 172 01:20:01 6286832 7535420 285196 3.51 30956 1423280 527836 5.75 447540 1184320 236 01:30:03 6250620 7525836 294288 3.62 31296 1449212 722300 7.87 461700 1201828 180 01:40:02 6255800 7531832 288312 3.55 31460 1449860 527964 5.75 457016 1202324 248 01:50:01 6255548 7532220 287920 3.54 31636 1450308 528400 5.76 457604 1202824 156 02:00:03 6260356 7537600 282488 3.47 31852 1450632 528400 5.76 457744 1203364 188 02:10:04 6260356 7538124 281956 3.47 32040 1450964 528400 5.76 457992 1203884 196 02:20:01 5444148 7386496 394520 4.85 88084 2026588 648544 7.06 628124 1788352 29468 Average: 6177442 7518502 297444 3.66 37636 1505158 562886 6.13 473522 1261560 3446 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.82 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.57 0.06 0.09 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 1.09 0.10 0.74 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.54 0.24 3.14 0.05 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.41 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.35 0.23 0.08 0.64 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.25 0.06 0.07 0.04 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.26 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 02:20:01 ens3 122.85 100.16 336.78 34.80 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 14.07 11.18 37.76 3.95 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12821) 05/12/26 _x86_64_ (2 CPU) 00:45:20 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.27 0.00 0.19 0.01 0.04 99.49 01:00:03 0 0.17 0.00 0.17 0.01 0.06 99.58 01:00:03 1 0.37 0.00 0.20 0.01 0.02 99.40 01:10:02 all 0.26 0.00 0.08 0.01 0.02 99.64 01:10:02 0 0.40 0.00 0.06 0.01 0.01 99.52 01:10:02 1 0.12 0.00 0.10 0.00 0.02 99.76 01:20:01 all 0.31 0.00 0.07 0.01 0.02 99.59 01:20:01 0 0.32 0.00 0.07 0.01 0.02 99.59 01:20:01 1 0.30 0.00 0.08 0.01 0.02 99.60 01:30:03 all 0.39 0.00 0.21 0.02 0.02 99.36 01:30:03 0 0.28 0.00 0.19 0.01 0.02 99.51 01:30:03 1 0.51 0.00 0.22 0.04 0.02 99.22 01:40:02 all 0.27 0.00 0.08 0.01 0.02 99.61 01:40:02 0 0.40 0.00 0.07 0.00 0.02 99.52 01:40:02 1 0.15 0.00 0.10 0.02 0.02 99.71 01:50:01 all 0.30 0.00 0.10 0.01 0.02 99.57 01:50:01 0 0.25 0.00 0.10 0.00 0.02 99.62 01:50:01 1 0.35 0.00 0.10 0.01 0.02 99.52 02:00:03 all 0.28 0.00 0.17 0.43 0.02 99.10 02:00:03 0 0.37 0.00 0.16 0.86 0.02 98.59 02:00:03 1 0.19 0.00 0.18 0.00 0.02 99.61 02:10:04 all 0.23 0.00 0.07 0.01 0.02 99.68 02:10:04 0 0.41 0.00 0.05 0.02 0.01 99.51 02:10:04 1 0.05 0.00 0.08 0.00 0.02 99.84 02:20:01 all 20.40 0.00 2.33 0.52 0.07 76.68 02:20:01 0 21.75 0.00 2.62 0.70 0.07 74.86 02:20:01 1 19.05 0.00 2.03 0.34 0.07 78.51 Average: all 2.51 0.00 0.36 0.11 0.03 96.99 Average: 0 2.69 0.00 0.39 0.18 0.03 96.71 Average: 1 2.33 0.00 0.34 0.05 0.03 97.26