---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-32222 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 783 5084 4 2366 7157 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:69:3e:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81295sec preferred_lft 81295sec inet6 fe80::f816:3eff:fe69:3ed3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32222) 07/02/26 _x86_64_ (2 CPU) 00:40:13 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.57 0.01 1.53 0.03 0.05 18.87 874.10 01:10:03 1.34 0.00 1.32 0.02 0.00 15.59 1.20 01:20:03 14.02 0.00 1.47 12.55 0.16 16.97 109164.57 01:30:01 1.59 0.00 1.56 0.03 0.00 18.92 657.86 01:40:03 1.79 0.26 1.50 0.03 31.92 74.67 1.42 01:50:03 1.19 0.00 1.18 0.01 0.00 14.27 0.36 02:00:01 24.13 3.01 18.77 2.35 228.19 3650.88 1421.43 Average: 6.51 0.47 3.90 2.14 37.13 543.17 16023.05 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6275740 7527880 292516 3.60 30820 1427124 529896 5.77 446132 1187828 240 01:10:03 6281288 7533956 286432 3.52 31020 1427448 530124 5.77 446376 1188352 180 01:20:03 6282116 7535376 285008 3.50 31236 1427820 530188 5.77 447100 1188912 180 01:30:01 6279700 7533524 286776 3.53 31460 1428152 530188 5.77 446916 1189468 240 01:40:03 6225324 7506716 313132 3.85 31832 1454980 530276 5.78 456128 1207464 192 01:50:03 6225324 7507244 312596 3.84 32024 1455304 530276 5.78 456476 1207980 204 02:00:01 5134360 7372924 393864 4.84 87216 2311624 675636 7.36 622896 2073932 1476 Average: 6100550 7502517 310046 3.81 39373 1561779 550941 6.00 474575 1320562 387 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.63 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.68 0.04 13.06 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.88 0.23 0.95 0.52 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.72 0.30 3.26 0.08 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 0.36 0.08 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 79.70 55.13 339.93 13.89 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 11.87 7.97 50.96 2.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-32222) 07/02/26 _x86_64_ (2 CPU) 00:40:13 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.29 0.00 0.16 0.01 0.02 99.52 01:00:01 0 0.25 0.00 0.15 0.01 0.02 99.57 01:00:01 1 0.32 0.00 0.17 0.01 0.03 99.46 01:10:03 all 0.25 0.00 0.07 0.01 0.03 99.63 01:10:03 0 0.10 0.00 0.08 0.02 0.03 99.78 01:10:03 1 0.40 0.00 0.07 0.01 0.03 99.49 01:20:03 all 0.31 0.00 0.09 0.06 0.03 99.51 01:20:03 0 0.37 0.00 0.06 0.06 0.02 99.48 01:20:03 1 0.25 0.00 0.11 0.06 0.03 99.54 01:30:01 all 0.26 0.00 0.17 0.01 0.03 99.53 01:30:01 0 0.33 0.00 0.18 0.00 0.03 99.45 01:30:01 1 0.20 0.00 0.15 0.02 0.03 99.61 01:40:03 all 0.38 0.00 0.09 0.02 0.03 99.48 01:40:03 0 0.42 0.00 0.07 0.00 0.02 99.48 01:40:03 1 0.33 0.00 0.12 0.03 0.03 99.48 01:50:03 all 0.25 0.00 0.07 0.01 0.03 99.64 01:50:03 0 0.07 0.00 0.08 0.01 0.03 99.81 01:50:03 1 0.43 0.00 0.06 0.01 0.03 99.47 02:00:01 all 15.75 0.00 1.79 0.60 0.06 81.80 02:00:01 0 9.96 0.00 1.72 0.77 0.06 87.49 02:00:01 1 21.54 0.00 1.86 0.42 0.07 76.11 Average: all 2.49 0.00 0.35 0.10 0.03 97.02 Average: 0 1.64 0.00 0.33 0.12 0.03 97.87 Average: 1 3.34 0.00 0.36 0.08 0.04 96.18