---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2907 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 762 5136 4 2340 7179 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:66:08:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5046sec preferred_lft 5046sec inet6 fe80::f816:3eff:fe66:848/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2907) 04/16/26 _x86_64_ (2 CPU) 00:00:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:08 1.75 0.02 1.72 0.02 0.83 20.49 0.22 00:20:16 1.72 0.11 1.59 0.03 3.01 23.22 151.32 00:30:16 1.78 0.00 1.76 0.02 0.00 20.29 433.21 00:40:16 22.10 3.01 16.84 2.24 226.54 3139.27 650.72 00:50:08 1.67 0.00 1.67 0.01 0.00 24.16 0.18 01:00:16 1.72 0.00 1.70 0.02 0.00 23.73 0.41 01:10:16 1.65 0.00 1.64 0.01 0.00 139.08 1.52 01:20:16 1.60 0.00 1.60 0.00 0.00 31.80 0.20 01:30:08 1.83 0.00 1.81 0.02 0.00 25.63 0.62 Average: 3.98 0.35 3.37 0.26 25.64 383.65 138.06 00:00:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:08 6114032 7511300 297676 3.66 54048 1539372 545160 5.94 476428 1308884 356 00:20:16 6136052 7495104 313744 3.86 54204 1500960 542840 5.91 475360 1270276 308 00:30:16 6129692 7489264 319424 3.93 54360 1501284 542840 5.91 475160 1270764 228 00:40:16 5163592 7351140 410136 5.04 103352 2239836 659572 7.18 619680 2013160 244 00:50:08 5176844 7366448 394864 4.86 103456 2241792 651856 7.10 603896 2015244 244 01:00:16 5168588 7359864 401384 4.94 103548 2243368 671700 7.32 623732 2016916 272 01:10:16 5118540 7346328 414840 5.10 103688 2279688 659552 7.18 610072 2053348 260 01:20:16 5115416 7347800 413352 5.08 103788 2284092 662748 7.22 614136 2057884 220 01:30:08 5071184 7305540 455548 5.60 103880 2285944 694996 7.57 646280 2059700 324 Average: 5465993 7396976 380108 4.67 87147 2012926 625696 6.82 571638 1785131 273 00:00:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:08 ens3 0.21 0.07 0.07 0.04 0.00 0.00 0.00 0.00 00:20:16 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:16 ens3 0.20 0.06 0.07 0.03 0.00 0.00 0.00 0.00 00:30:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:16 ens3 0.51 0.12 0.18 0.10 0.00 0.00 0.00 0.00 00:40:16 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 00:40:16 ens3 65.47 48.72 327.34 12.76 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 21.62 17.86 227.13 1.54 0.00 0.00 0.00 0.00 01:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:16 ens3 6.70 6.16 32.82 0.74 0.00 0.00 0.00 0.00 01:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:16 ens3 16.78 15.68 157.35 1.67 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 16.13 15.39 141.80 1.65 0.00 0.00 0.00 0.00 01:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 14.60 13.94 156.92 1.21 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 15.78 13.09 115.59 2.20 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2907) 04/16/26 _x86_64_ (2 CPU) 00:00:16 CPU %user %nice %system %iowait %steal %idle 00:10:08 all 0.23 0.00 0.10 0.01 0.03 99.64 00:10:08 0 0.26 0.00 0.10 0.01 0.03 99.60 00:10:08 1 0.19 0.00 0.10 0.01 0.02 99.67 00:20:16 all 0.64 0.00 0.21 0.01 0.03 99.12 00:20:16 0 0.72 0.00 0.21 0.01 0.03 99.02 00:20:16 1 0.55 0.00 0.20 0.02 0.03 99.21 00:30:16 all 0.28 0.00 0.17 0.01 0.02 99.52 00:30:16 0 0.12 0.00 0.17 0.02 0.03 99.66 00:30:16 1 0.44 0.00 0.16 0.01 0.02 99.37 00:40:16 all 11.12 0.00 1.70 0.50 0.05 86.62 00:40:16 0 10.20 0.00 1.55 0.58 0.06 87.62 00:40:16 1 12.04 0.00 1.86 0.43 0.05 85.62 00:50:08 all 1.02 0.00 0.26 0.03 0.05 98.64 00:50:08 0 0.91 0.00 0.16 0.03 0.03 98.88 00:50:08 1 1.14 0.00 0.37 0.03 0.06 98.40 01:00:16 all 5.76 0.00 0.57 0.01 0.06 93.60 01:00:16 0 7.72 0.00 0.65 0.01 0.05 91.57 01:00:16 1 3.79 0.00 0.49 0.01 0.06 95.65 01:10:16 all 5.29 0.00 0.49 0.01 0.05 94.15 01:10:16 0 7.04 0.00 0.55 0.01 0.05 92.35 01:10:16 1 3.54 0.00 0.44 0.01 0.05 95.96 01:20:16 all 1.59 0.00 0.30 0.01 0.04 98.05 01:20:16 0 2.06 0.00 0.39 0.01 0.06 97.49 01:20:16 1 1.13 0.00 0.21 0.02 0.03 98.62 01:30:08 all 0.90 0.00 0.32 0.01 0.04 98.73 01:30:08 0 1.06 0.00 0.34 0.01 0.04 98.55 01:30:08 1 0.73 0.00 0.30 0.02 0.04 98.91 Average: all 2.99 0.00 0.46 0.07 0.04 96.44 Average: 0 3.36 0.00 0.46 0.08 0.04 96.07 Average: 1 2.62 0.00 0.46 0.06 0.04 96.82