---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12824 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 759 5196 4 2275 7182 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:53:10:c1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.21/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80404sec preferred_lft 80404sec inet6 fe80::f816:3eff:fe53:10c1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12824) 05/12/26 _x86_64_ (2 CPU) 00:45:15 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.46 0.02 1.42 0.01 1.24 17.88 869.80 01:10:02 1.20 0.01 1.17 0.02 0.05 14.49 1.09 01:20:01 1.14 0.00 1.12 0.02 0.01 13.75 1.10 01:30:03 14.46 0.25 1.66 12.54 31.02 75.83 109440.60 01:40:02 1.24 0.01 1.22 0.02 1.05 14.78 1.25 01:50:01 1.34 0.00 1.33 0.01 0.00 15.65 0.96 02:00:03 1.58 0.00 1.56 0.02 0.00 18.86 651.63 02:10:04 1.52 0.00 1.51 0.01 0.00 18.02 217.52 02:20:01 23.60 3.03 18.33 2.24 229.67 3310.96 631.05 Average: 5.28 0.37 3.25 1.66 29.11 387.15 12464.14 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6292904 7539780 280680 3.45 30620 1422120 528976 5.76 445720 1183272 180 01:10:02 6299220 7546668 273752 3.37 30856 1422452 528908 5.76 445964 1183840 208 01:20:01 6297568 7545544 274864 3.38 31052 1422776 528992 5.76 446548 1184360 124 01:30:03 6233580 7508312 311472 3.83 31444 1448760 731776 7.97 460840 1201944 184 01:40:02 6241728 7517440 302368 3.72 31644 1449536 529344 5.77 456308 1202472 244 01:50:01 6241224 7517484 302324 3.72 31856 1449856 529356 5.77 456280 1203012 240 02:00:03 6256884 7533672 286112 3.52 32044 1450184 529436 5.77 456436 1203524 264 02:10:04 6253608 7530928 288844 3.55 32240 1450508 529420 5.77 456680 1204048 188 02:20:01 5246108 7402400 369072 4.54 85660 2234748 651556 7.10 605948 1996036 176 Average: 6151425 7515803 298832 3.67 37491 1527882 565307 6.16 470080 1284723 201 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 0.08 0.10 0.04 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 0.08 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 1.08 0.08 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 0.52 0.20 3.14 0.04 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 0.48 0.18 0.09 0.50 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 0.24 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:03 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.25 0.05 0.07 0.03 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 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:20:01 ens3 74.65 53.76 328.07 14.63 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 8.72 6.03 36.76 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12824) 05/12/26 _x86_64_ (2 CPU) 00:45:15 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.30 0.00 0.17 0.01 0.04 99.48 01:00:03 0 0.10 0.00 0.17 0.01 0.03 99.69 01:00:03 1 0.49 0.00 0.17 0.01 0.05 99.27 01:10:02 all 0.28 0.00 0.08 0.01 0.02 99.62 01:10:02 0 0.10 0.00 0.09 0.01 0.02 99.78 01:10:02 1 0.45 0.00 0.07 0.01 0.02 99.45 01:20:01 all 0.23 0.00 0.08 0.01 0.02 99.67 01:20:01 0 0.26 0.00 0.09 0.00 0.02 99.63 01:20:01 1 0.19 0.00 0.08 0.01 0.02 99.70 01:30:03 all 0.43 0.00 0.22 0.08 0.01 99.25 01:30:03 0 0.34 0.00 0.20 0.02 0.01 99.42 01:30:03 1 0.52 0.00 0.23 0.14 0.02 99.08 01:40:02 all 0.28 0.00 0.08 0.01 0.02 99.62 01:40:02 0 0.17 0.00 0.08 0.02 0.02 99.71 01:40:02 1 0.39 0.00 0.08 0.00 0.01 99.52 01:50:01 all 0.24 0.00 0.07 0.01 0.02 99.66 01:50:01 0 0.26 0.00 0.07 0.00 0.01 99.66 01:50:01 1 0.23 0.00 0.07 0.03 0.02 99.66 02:00:03 all 0.28 0.00 0.16 0.28 0.05 99.23 02:00:03 0 0.41 0.00 0.13 0.54 0.02 98.91 02:00:03 1 0.15 0.00 0.18 0.03 0.08 99.56 02:10:04 all 0.22 0.00 0.08 0.02 0.02 99.67 02:10:04 0 0.37 0.00 0.06 0.01 0.01 99.54 02:10:04 1 0.06 0.00 0.09 0.02 0.03 99.81 02:20:01 all 16.65 0.00 1.78 0.62 0.06 80.90 02:20:01 0 16.03 0.00 1.77 0.47 0.06 81.67 02:20:01 1 17.27 0.00 1.79 0.77 0.06 80.12 Average: all 2.09 0.00 0.30 0.12 0.03 97.47 Average: 0 1.99 0.00 0.29 0.12 0.02 97.57 Average: 1 2.18 0.00 0.30 0.11 0.03 97.37