---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-27300 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 760 5211 4 2262 7181 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:e8:ed:89 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.206/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80389sec preferred_lft 80389sec inet6 fe80::f816:3eff:fee8:ed89/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27300) 06/14/26 _x86_64_ (2 CPU) 01:47:22 LINUX RESTART (2 CPU) 01:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:04 1.42 0.03 1.38 0.01 1.24 17.48 654.12 02:10:01 1.24 0.01 1.22 0.01 0.05 14.88 0.97 02:20:04 13.72 0.00 1.23 12.48 0.16 14.90 108585.16 02:30:04 1.88 0.26 1.59 0.04 32.03 75.65 219.36 02:40:01 1.20 0.00 1.19 0.02 0.00 14.54 1.21 02:50:04 1.34 0.02 1.30 0.02 2.14 15.80 1.13 03:00:04 23.74 3.00 18.44 2.30 225.99 3455.89 505.73 03:10:01 1.36 0.00 1.36 0.00 0.00 15.87 0.00 03:20:04 1.23 0.00 1.23 0.00 0.00 14.87 0.00 Average: 5.24 0.37 3.21 1.66 29.07 404.43 12284.78 01:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:04 6310680 7557548 263052 3.23 30564 1421984 527600 5.75 446260 1183260 176 02:10:01 6309180 7556580 264012 3.25 30764 1422316 527720 5.75 446272 1183792 244 02:20:04 6307252 7555244 265288 3.26 30976 1422688 527864 5.75 446344 1184348 180 02:30:04 6259432 7534624 285420 3.51 31380 1449100 528116 5.75 455636 1202088 192 02:40:01 6261132 7536988 283052 3.48 31588 1449552 529256 5.76 455948 1202632 124 02:50:04 6258824 7535872 284116 3.49 31788 1450532 529324 5.77 456812 1203240 200 03:00:04 5220164 7416308 350992 4.32 86920 2269472 634056 6.91 587108 2032188 196 03:10:01 5219984 7416616 350688 4.31 87056 2269820 634120 6.91 587044 2032676 240 03:20:04 5219984 7417080 350188 4.31 87176 2270172 634120 6.91 587132 2033148 192 Average: 5929626 7502984 299645 3.68 49801 1713960 563575 6.14 496506 1473041 194 01:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.89 0.08 0.09 0.04 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 0.52 0.07 0.09 0.02 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.45 0.03 3.38 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 1.01 0.22 4.09 0.03 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.33 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:50:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:04 ens3 0.39 0.10 0.15 0.06 0.00 0.00 0.00 0.00 03:00:04 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:04 ens3 60.89 43.66 314.47 11.40 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 1.77 0.25 0.22 0.03 0.00 0.00 0.00 0.00 03:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:04 ens3 0.57 0.22 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 7.42 4.96 35.85 1.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-27300) 06/14/26 _x86_64_ (2 CPU) 01:47:22 LINUX RESTART (2 CPU) 01:50:04 CPU %user %nice %system %iowait %steal %idle 02:00:04 all 0.31 0.00 0.17 0.03 0.03 99.47 02:00:04 0 0.30 0.00 0.17 0.01 0.03 99.50 02:00:04 1 0.31 0.00 0.18 0.05 0.03 99.44 02:10:01 all 0.26 0.00 0.07 0.01 0.03 99.63 02:10:01 0 0.46 0.00 0.05 0.00 0.02 99.46 02:10:01 1 0.06 0.00 0.09 0.01 0.03 99.80 02:20:04 all 0.23 0.00 0.09 0.03 0.03 99.63 02:20:04 0 0.40 0.00 0.08 0.04 0.02 99.45 02:20:04 1 0.05 0.00 0.09 0.01 0.03 99.82 02:30:04 all 0.40 0.00 0.19 0.02 0.03 99.37 02:30:04 0 0.29 0.00 0.17 0.01 0.03 99.51 02:30:04 1 0.51 0.00 0.21 0.03 0.03 99.22 02:40:01 all 0.29 0.00 0.06 0.01 0.03 99.61 02:40:01 0 0.12 0.00 0.07 0.01 0.03 99.77 02:40:01 1 0.46 0.00 0.05 0.01 0.03 99.46 02:50:04 all 0.29 0.00 0.08 0.01 0.02 99.59 02:50:04 0 0.14 0.00 0.09 0.01 0.02 99.74 02:50:04 1 0.45 0.00 0.07 0.01 0.02 99.44 03:00:04 all 12.04 0.00 1.81 0.53 0.06 85.57 03:00:04 0 11.25 0.00 1.67 0.45 0.06 86.57 03:00:04 1 12.84 0.00 1.94 0.60 0.06 84.57 03:10:01 all 0.40 0.00 0.13 0.01 0.05 99.41 03:10:01 0 0.27 0.00 0.17 0.01 0.07 99.48 03:10:01 1 0.53 0.00 0.09 0.01 0.04 99.34 03:20:04 all 0.32 0.00 0.12 0.00 0.05 99.50 03:20:04 0 0.25 0.00 0.12 0.01 0.05 99.56 03:20:04 1 0.38 0.00 0.13 0.00 0.05 99.44 Average: all 1.61 0.00 0.30 0.07 0.04 97.98 Average: 0 1.50 0.00 0.29 0.06 0.04 98.12 Average: 1 1.73 0.00 0.32 0.08 0.04 97.84