---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3176 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 754 5286 4 2189 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:33:7a:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81765sec preferred_lft 81765sec inet6 fe80::f816:3eff:fe33:7a0b/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-3176) 04/16/26 _x86_64_ (2 CPU) 01:48:25 LINUX RESTART (2 CPU) 01:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:08 2.22 0.34 1.85 0.04 39.80 76.55 216.22 02:10:08 1.51 0.01 1.48 0.02 1.11 17.40 1.25 02:20:08 1.39 0.00 1.38 0.01 0.01 16.24 1.08 02:30:08 14.18 0.00 1.62 12.56 0.15 18.96 109791.46 02:40:08 1.60 0.00 1.59 0.01 0.00 18.81 217.80 02:50:02 1.77 0.40 1.37 0.00 15.99 47.57 0.00 03:00:08 23.18 2.60 18.35 2.23 210.63 3087.01 624.18 Average: 6.57 0.48 3.97 2.12 38.52 472.64 15811.12 01:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:08 6252836 7528124 291996 3.59 30776 1449792 723048 7.88 461116 1200052 176 02:10:08 6266532 7542688 277544 3.41 30992 1450436 523972 5.71 455540 1200600 124 02:20:08 6273588 7550292 269928 3.32 31208 1450760 523972 5.71 455712 1201140 124 02:30:08 6266560 7543816 276312 3.40 31372 1451136 524120 5.71 455844 1201652 220 02:40:08 6265328 7543256 276864 3.40 31584 1451592 524120 5.71 456052 1202192 120 02:50:02 6235680 7528624 291116 3.58 31864 1466268 540956 5.89 486384 1215612 280 03:00:08 5291352 7406140 365652 4.50 85116 2193792 626740 6.83 599056 1952368 348 Average: 6121697 7520420 292773 3.60 38987 1559111 569561 6.20 481386 1310517 199 01:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 1.87 0.27 3.21 0.05 0.00 0.00 0.00 0.00 02:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.40 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.31 0.03 0.19 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.29 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 10.97 4.71 20.24 2.46 0.00 0.00 0.00 0.00 03:00:08 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:08 ens3 104.62 72.84 286.50 15.82 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 17.07 11.22 44.65 2.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-3176) 04/16/26 _x86_64_ (2 CPU) 01:48:25 LINUX RESTART (2 CPU) 01:50:01 CPU %user %nice %system %iowait %steal %idle 02:00:08 all 0.35 0.00 0.19 0.02 0.04 99.39 02:00:08 0 0.40 0.00 0.21 0.03 0.04 99.32 02:00:08 1 0.30 0.00 0.18 0.01 0.05 99.47 02:10:08 all 0.28 0.00 0.07 0.01 0.04 99.60 02:10:08 0 0.13 0.00 0.09 0.02 0.05 99.72 02:10:08 1 0.43 0.00 0.05 0.01 0.03 99.48 02:20:08 all 0.25 0.00 0.07 0.01 0.04 99.62 02:20:08 0 0.18 0.00 0.08 0.02 0.05 99.68 02:20:08 1 0.33 0.00 0.07 0.01 0.04 99.57 02:30:08 all 0.28 0.00 0.17 0.06 0.03 99.45 02:30:08 0 0.18 0.00 0.19 0.06 0.04 99.54 02:30:08 1 0.39 0.00 0.16 0.06 0.03 99.37 02:40:08 all 0.27 0.00 0.08 0.01 0.03 99.61 02:40:08 0 0.48 0.00 0.08 0.01 0.03 99.41 02:40:08 1 0.06 0.00 0.09 0.01 0.04 99.80 02:50:02 all 0.53 0.00 0.10 0.01 0.03 99.32 02:50:02 0 0.73 0.00 0.08 0.02 0.03 99.14 02:50:02 1 0.34 0.00 0.12 0.01 0.04 99.50 03:00:08 all 13.24 0.00 2.02 0.59 0.06 84.07 03:00:08 0 12.66 0.00 1.84 0.56 0.06 84.87 03:00:08 1 13.83 0.00 2.21 0.63 0.07 83.27 Average: all 2.19 0.00 0.39 0.10 0.04 97.28 Average: 0 2.12 0.00 0.37 0.10 0.04 97.37 Average: 1 2.25 0.00 0.41 0.10 0.04 97.19