---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1908 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 770 5180 4 2280 7171 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:cf:35:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.136/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80994sec preferred_lft 80994sec inet6 fe80::f816:3eff:fecf:3582/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1908) 04/11/26 _x86_64_ (2 CPU) 01:48:48 LINUX RESTART (2 CPU) 01:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:09 1.70 0.03 1.66 0.01 1.26 19.57 442.64 02:10:18 13.86 0.01 1.49 12.36 0.20 17.06 107578.59 02:20:18 1.35 0.00 1.34 0.01 0.01 15.49 1.08 02:30:18 2.14 0.31 1.79 0.04 39.01 76.01 436.93 02:40:18 1.30 0.00 1.29 0.02 0.00 15.75 1.09 02:50:00 1.83 0.41 1.40 0.02 16.31 49.23 1.24 03:00:18 21.80 2.55 17.08 2.17 206.32 3021.55 570.21 03:10:18 1.39 0.00 1.38 0.00 0.35 62.85 0.03 Average: 5.77 0.42 3.49 1.86 33.63 420.66 13831.29 01:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:09 6284776 7535280 285272 3.51 30616 1425728 528624 5.76 451664 1187108 172 02:10:18 6295180 7546260 274328 3.37 30812 1426100 528580 5.76 451784 1187648 132 02:20:18 6294172 7545784 274788 3.38 31012 1426424 528580 5.76 451808 1188172 168 02:30:18 6232136 7512616 307124 3.78 31428 1454480 737144 8.03 465348 1205580 168 02:40:18 6232136 7513164 306632 3.77 31640 1454808 737212 8.03 465548 1206120 224 02:50:00 6203456 7499588 319884 3.93 31976 1469512 758420 8.26 498804 1219576 172 03:00:18 5271036 7391652 379760 4.67 85268 2199616 857984 9.35 611668 1958808 168 03:10:18 5254480 7389400 381928 4.70 85412 2213816 860492 9.37 614120 1972880 640 Average: 6008422 7491718 316214 3.89 44770 1633810 692130 7.54 501343 1390736 230 01:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.00 0.07 0.13 0.03 0.00 0.00 0.00 0.00 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 0.45 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 0.24 0.02 0.04 0.01 0.00 0.00 0.00 0.00 02:30:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 0.53 0.26 3.10 0.05 0.00 0.00 0.00 0.00 02:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:18 ens3 0.39 0.08 0.11 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 11.44 5.64 20.84 3.19 0.00 0.00 0.00 0.00 03:00:18 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:18 ens3 65.39 49.20 274.21 9.73 0.00 0.00 0.00 0.00 03:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:18 ens3 44.89 41.55 9.35 5.60 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 15.74 12.27 39.42 2.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1908) 04/11/26 _x86_64_ (2 CPU) 01:48:48 LINUX RESTART (2 CPU) 01:50:18 CPU %user %nice %system %iowait %steal %idle 02:00:09 all 0.27 0.00 0.17 0.01 0.03 99.51 02:00:09 0 0.08 0.00 0.16 0.02 0.03 99.71 02:00:09 1 0.47 0.00 0.19 0.01 0.02 99.32 02:10:18 all 0.24 0.00 0.10 0.12 0.03 99.52 02:10:18 0 0.06 0.00 0.12 0.06 0.03 99.74 02:10:18 1 0.42 0.00 0.08 0.18 0.02 99.30 02:20:18 all 0.23 0.00 0.07 0.01 0.02 99.67 02:20:18 0 0.06 0.00 0.08 0.01 0.03 99.82 02:20:18 1 0.40 0.00 0.06 0.01 0.02 99.52 02:30:18 all 0.41 0.00 0.20 0.12 0.02 99.25 02:30:18 0 0.50 0.00 0.21 0.22 0.02 99.05 02:30:18 1 0.31 0.00 0.19 0.03 0.02 99.46 02:40:18 all 0.25 0.00 0.08 0.01 0.02 99.63 02:40:18 0 0.28 0.00 0.07 0.00 0.02 99.63 02:40:18 1 0.23 0.00 0.10 0.02 0.02 99.63 02:50:00 all 0.59 0.00 0.11 0.01 0.02 99.27 02:50:00 0 0.74 0.00 0.11 0.01 0.02 99.12 02:50:00 1 0.44 0.00 0.11 0.02 0.02 99.41 03:00:18 all 13.53 0.00 1.90 0.47 0.06 84.04 03:00:18 0 9.44 0.00 1.54 0.40 0.05 88.58 03:00:18 1 17.65 0.00 2.26 0.54 0.07 79.48 03:10:18 all 5.90 0.00 0.55 0.01 0.06 93.49 03:10:18 0 4.83 0.00 0.47 0.01 0.05 94.64 03:10:18 1 6.97 0.00 0.62 0.01 0.06 92.34 Average: all 2.71 0.00 0.40 0.10 0.03 96.76 Average: 0 2.03 0.00 0.35 0.09 0.03 97.50 Average: 1 3.40 0.00 0.46 0.10 0.03 96.01