---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1909 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 781 5212 4 2245 7160 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:8a:55:b4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81344sec preferred_lft 81344sec inet6 fe80::f816:3eff:fe8a:55b4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1909) 04/11/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.45 0.02 1.41 0.01 1.24 17.86 652.43 02:10:01 1.33 0.03 1.28 0.02 2.20 16.03 0.88 02:20:01 1.20 0.00 1.18 0.02 0.01 14.64 1.20 02:30:01 1.36 0.00 1.33 0.03 0.00 17.17 653.81 02:40:01 1.20 0.00 1.19 0.02 0.00 14.93 1.08 02:50:01 28.50 13.94 1.94 12.61 167.08 75.43 109163.36 03:00:01 22.10 2.61 17.25 2.24 210.44 3106.93 1085.94 03:10:01 1.28 0.00 1.28 0.01 0.00 21.62 0.08 Average: 7.30 2.08 3.36 1.87 47.63 410.79 13942.86 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6258892 7534320 285444 3.51 30804 1449896 727008 7.92 457168 1200100 192 02:10:01 6248980 7525612 294144 3.62 31024 1450868 727008 7.92 457724 1200732 124 02:20:01 6248524 7525704 294036 3.62 31244 1451188 727008 7.92 457872 1201272 244 02:30:01 6249488 7527252 292424 3.60 31456 1451520 727308 7.92 458032 1201816 192 02:40:01 6249488 7527800 291868 3.59 31668 1451852 727340 7.92 458148 1202360 236 02:50:01 6151836 7502000 308064 3.79 35964 1510992 750468 8.17 501664 1263508 232 03:00:01 5174080 7341892 420392 5.17 89040 2234548 865280 9.42 636096 1996540 336 03:10:01 5136712 7306536 455808 5.60 89188 2236404 888072 9.67 650916 1998552 304 Average: 5964750 7473890 330272 4.06 46298 1654658 767436 8.36 509702 1408110 232 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.43 0.07 0.19 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.46 0.06 0.06 0.02 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 0.25 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.28 0.07 0.07 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 0.40 0.09 0.11 0.06 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 8.99 5.29 20.13 3.16 0.00 0.00 0.00 0.00 03:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 58.88 41.78 291.51 9.02 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 12.92 11.82 107.41 1.06 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 10.45 7.40 52.44 1.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1909) 04/11/26 _x86_64_ (2 CPU) 01:48:26 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.27 0.00 0.17 0.01 0.04 99.50 02:00:01 0 0.38 0.00 0.17 0.01 0.04 99.41 02:00:01 1 0.16 0.00 0.18 0.02 0.05 99.59 02:10:01 all 0.24 0.00 0.08 0.01 0.04 99.62 02:10:01 0 0.22 0.00 0.08 0.01 0.04 99.65 02:10:01 1 0.27 0.00 0.08 0.01 0.04 99.60 02:20:01 all 0.24 0.00 0.07 0.02 0.03 99.64 02:20:01 0 0.43 0.00 0.06 0.00 0.03 99.48 02:20:01 1 0.06 0.00 0.08 0.03 0.04 99.80 02:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 02:30:01 0 0.34 0.00 0.15 0.00 0.03 99.48 02:30:01 1 0.21 0.00 0.17 0.02 0.03 99.57 02:40:01 all 0.25 0.00 0.08 0.02 0.03 99.62 02:40:01 0 0.44 0.00 0.07 0.03 0.02 99.43 02:40:01 1 0.06 0.00 0.09 0.01 0.04 99.81 02:50:01 all 0.57 0.19 0.17 0.16 0.03 98.87 02:50:01 0 0.52 0.24 0.18 0.18 0.04 98.85 02:50:01 1 0.62 0.14 0.16 0.15 0.03 98.89 03:00:01 all 11.01 0.00 1.78 0.50 0.07 86.64 03:00:01 0 13.52 0.00 1.97 0.58 0.08 83.86 03:00:01 1 8.51 0.00 1.60 0.42 0.06 89.41 03:10:01 all 0.88 0.00 0.22 0.01 0.05 98.84 03:10:01 0 1.00 0.00 0.21 0.01 0.05 98.74 03:10:01 1 0.77 0.00 0.22 0.01 0.05 98.95 Average: all 1.72 0.02 0.34 0.09 0.04 97.78 Average: 0 2.10 0.03 0.36 0.10 0.04 97.37 Average: 1 1.33 0.02 0.32 0.08 0.04 98.20