---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-23862 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 8.0G 30G 22% / 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 767 5109 4 2357 7174 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:c8:97:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.185/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80183sec preferred_lft 80183sec inet6 fe80::f816:3eff:fec8:970b/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-23862) 06/05/26 _x86_64_ (2 CPU) 01:48:15 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:07 1.99 0.27 1.69 0.03 31.86 75.86 431.81 02:10:07 1.49 0.01 1.47 0.01 1.11 17.30 0.41 02:20:01 1.30 0.00 1.30 0.00 0.01 15.23 0.00 02:30:08 1.80 0.00 1.77 0.03 0.00 21.70 430.70 02:40:08 1.38 0.00 1.38 0.00 0.00 16.21 0.00 02:50:01 1.34 0.00 1.34 0.00 0.00 15.86 0.00 03:00:08 1.63 0.00 1.61 0.02 0.00 19.42 215.57 03:10:02 23.63 3.06 18.27 2.30 230.45 3516.11 1945.98 03:20:08 1.58 0.00 1.58 0.01 0.00 52.19 0.21 03:30:08 15.07 0.01 1.58 13.49 0.49 112.60 106440.85 Average: 5.09 0.33 3.18 1.58 26.15 382.25 10931.66 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:07 6243972 7516780 303088 3.73 30744 1447544 726268 7.91 459732 1200240 224 02:10:07 6258900 7532552 287352 3.53 30936 1448184 531368 5.79 454688 1200760 180 02:20:01 6263360 7537504 282360 3.47 31100 1448508 531400 5.79 454708 1201248 124 02:30:08 6256272 7530980 288868 3.55 31320 1448840 531400 5.79 454684 1201792 184 02:40:08 6256348 7531560 288316 3.55 31484 1449176 531476 5.79 455036 1202292 156 02:50:01 6261524 7537364 282508 3.47 31652 1449620 531752 5.79 455996 1202784 124 03:00:08 6255756 7532120 287744 3.54 31840 1449952 531696 5.79 456248 1203300 216 03:10:02 5207432 7404692 362716 4.46 86372 2271736 653608 7.12 596856 2034060 264 03:20:08 5200184 7408272 359216 4.42 86536 2282420 655216 7.14 599036 2044888 740 03:30:08 5024224 7262800 504360 6.20 86664 2312592 799260 8.71 741800 2074952 2916 Average: 5922797 7479462 324653 3.99 47865 1700857 602344 6.56 512878 1456632 513 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 1.86 0.26 3.27 0.05 0.00 0.00 0.00 0.00 02:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:07 ens3 0.36 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.26 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.19 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.36 0.07 0.10 0.05 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.98 0.33 0.27 0.72 0.00 0.00 0.00 0.00 03:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 0.37 0.07 0.11 0.06 0.00 0.00 0.00 0.00 03:10:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 03:10:02 ens3 79.51 54.98 321.92 12.69 0.00 0.00 0.00 0.00 03:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:08 ens3 33.18 28.31 6.78 3.52 0.00 0.00 0.00 0.00 03:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:08 ens3 43.02 42.51 9.47 5.95 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 15.94 12.62 33.84 2.29 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-23862) 06/05/26 _x86_64_ (2 CPU) 01:48:15 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:07 all 0.38 0.00 0.19 0.02 0.03 99.38 02:00:07 0 0.43 0.00 0.20 0.01 0.02 99.33 02:00:07 1 0.32 0.00 0.19 0.02 0.03 99.43 02:10:07 all 0.26 0.00 0.08 0.01 0.03 99.63 02:10:07 0 0.30 0.00 0.08 0.00 0.02 99.60 02:10:07 1 0.22 0.00 0.08 0.02 0.03 99.66 02:20:01 all 0.24 0.00 0.07 0.01 0.03 99.66 02:20:01 0 0.06 0.00 0.09 0.00 0.03 99.82 02:20:01 1 0.43 0.00 0.05 0.01 0.02 99.49 02:30:08 all 0.30 0.00 0.17 0.02 0.03 99.49 02:30:08 0 0.29 0.00 0.17 0.00 0.03 99.51 02:30:08 1 0.30 0.00 0.17 0.04 0.03 99.47 02:40:08 all 0.25 0.00 0.07 0.01 0.03 99.64 02:40:08 0 0.44 0.00 0.06 0.01 0.02 99.47 02:40:08 1 0.06 0.00 0.08 0.01 0.03 99.82 02:50:01 all 0.30 0.00 0.08 0.01 0.03 99.58 02:50:01 0 0.52 0.00 0.06 0.02 0.02 99.39 02:50:01 1 0.09 0.00 0.10 0.00 0.04 99.78 03:00:08 all 0.26 0.00 0.17 0.01 0.02 99.54 03:00:08 0 0.33 0.00 0.15 0.00 0.02 99.50 03:00:08 1 0.19 0.00 0.19 0.01 0.03 99.58 03:10:02 all 14.21 0.00 1.89 0.48 0.06 83.36 03:10:02 0 17.24 0.00 2.08 0.46 0.06 80.16 03:10:02 1 11.18 0.00 1.70 0.51 0.06 86.55 03:20:08 all 5.35 0.00 0.40 0.01 0.06 94.17 03:20:08 0 7.68 0.00 0.46 0.00 0.07 91.79 03:20:08 1 3.03 0.00 0.34 0.01 0.06 96.56 03:30:08 all 8.86 0.00 0.61 0.02 0.07 90.45 03:30:08 0 8.78 0.00 0.61 0.02 0.07 90.52 03:30:08 1 8.93 0.00 0.61 0.02 0.07 90.38 Average: all 3.02 0.00 0.37 0.06 0.04 96.52 Average: 0 3.58 0.00 0.39 0.05 0.04 95.94 Average: 1 2.46 0.00 0.35 0.06 0.04 97.09