---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-31933 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 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 754 5152 4 2335 7187 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:97:67:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80620sec preferred_lft 80620sec inet6 fe80::f816:3eff:fe97:6715/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31933) 07/01/26 _x86_64_ (2 CPU) 00:36:56 LINUX RESTART (2 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:13 1.24 0.02 1.21 0.00 1.23 14.78 0.12 01:00:13 2.07 0.26 1.78 0.02 32.08 78.02 435.92 01:10:13 1.34 0.03 1.31 0.01 2.15 15.25 0.28 01:20:13 1.34 0.00 1.32 0.02 0.01 15.51 1.32 01:30:13 15.98 13.54 2.36 0.08 151.12 50.33 223.83 01:40:07 1.43 0.00 1.41 0.02 0.00 16.69 1.27 01:50:13 14.35 0.40 1.46 12.48 15.83 82.63 108090.61 02:00:13 23.36 2.59 18.48 2.29 209.78 3401.86 578.19 02:10:13 1.31 0.00 1.30 0.01 0.00 21.39 0.08 Average: 6.94 1.87 3.40 1.67 45.77 410.38 12247.71 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:13 6289780 7536320 283928 3.49 30572 1421652 536964 5.85 449164 1183384 172 01:00:13 6252496 7526476 293192 3.61 30956 1448332 537192 5.85 458492 1201360 216 01:10:13 6276256 7551388 268320 3.30 31124 1449300 537220 5.85 459340 1201948 156 01:20:13 6280148 7555812 263844 3.24 31324 1449632 537276 5.85 459704 1202472 152 01:30:13 6198552 7531564 278740 3.43 35528 1494388 592780 6.46 466112 1250700 180 01:40:07 6206140 7539688 270628 3.33 35732 1494712 537704 5.86 460984 1251232 184 01:50:13 6132712 7491884 318000 3.91 36068 1519636 582816 6.35 504940 1274948 424 02:00:13 5117996 7375720 381724 4.69 90752 2318728 640760 6.98 597564 2085112 212 02:10:13 5092948 7352716 404744 4.98 90904 2320612 663576 7.23 612292 2087156 264 Average: 5983003 7495730 307013 3.78 45884 1657444 574032 6.25 496510 1415368 218 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:13 ens3 1.10 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:00:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:13 ens3 0.64 0.22 3.22 0.05 0.00 0.00 0.00 0.00 01:10:13 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 0.55 0.11 0.13 0.06 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 0.45 0.11 0.13 0.07 0.00 0.00 0.00 0.00 01:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:13 ens3 1.36 0.21 0.18 0.63 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.59 0.13 0.16 0.09 0.00 0.00 0.00 0.00 01:50:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:13 ens3 9.28 6.15 38.37 2.79 0.00 0.00 0.00 0.00 02:00:13 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:13 ens3 60.11 41.67 290.63 9.01 0.00 0.00 0.00 0.00 02:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:13 ens3 12.77 11.86 107.24 1.07 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 9.65 6.73 48.90 1.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-31933) 07/01/26 _x86_64_ (2 CPU) 00:36:56 LINUX RESTART (2 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:13 all 2.53 0.00 0.08 4.35 0.03 93.01 00:50:13 0 4.32 0.00 0.09 3.40 0.02 92.17 00:50:13 1 0.75 0.00 0.07 5.29 0.03 93.86 01:00:13 all 0.40 0.00 0.21 0.11 0.03 99.26 01:00:13 0 0.25 0.00 0.20 0.03 0.03 99.50 01:00:13 1 0.55 0.00 0.22 0.19 0.03 99.01 01:10:13 all 0.29 0.00 0.09 0.01 0.02 99.58 01:10:13 0 0.37 0.00 0.08 0.01 0.02 99.52 01:10:13 1 0.21 0.00 0.11 0.02 0.03 99.64 01:20:13 all 0.25 0.00 0.08 0.02 0.03 99.63 01:20:13 0 0.06 0.00 0.09 0.04 0.03 99.79 01:20:13 1 0.44 0.00 0.07 0.01 0.03 99.46 01:30:13 all 0.29 0.22 0.25 0.51 0.03 98.70 01:30:13 0 0.18 0.38 0.31 0.90 0.03 98.20 01:30:13 1 0.40 0.07 0.19 0.13 0.02 99.19 01:40:07 all 0.24 0.00 0.07 0.07 0.02 99.60 01:40:07 0 0.42 0.00 0.06 0.05 0.02 99.46 01:40:07 1 0.06 0.00 0.08 0.09 0.03 99.73 01:50:13 all 0.56 0.00 0.13 0.04 0.03 99.24 01:50:13 0 0.77 0.00 0.11 0.01 0.02 99.09 01:50:13 1 0.36 0.00 0.15 0.07 0.04 99.38 02:00:13 all 11.80 0.00 1.80 1.14 0.07 85.20 02:00:13 0 14.07 0.00 1.89 0.99 0.07 82.99 02:00:13 1 9.53 0.00 1.71 1.29 0.07 87.41 02:10:13 all 0.84 0.00 0.20 0.01 0.05 98.89 02:10:13 0 0.98 0.00 0.27 0.01 0.07 98.67 02:10:13 1 0.71 0.00 0.14 0.01 0.04 99.10 Average: all 1.91 0.02 0.32 0.70 0.03 97.01 Average: 0 2.38 0.04 0.34 0.61 0.03 96.60 Average: 1 1.44 0.01 0.31 0.79 0.03 97.42