---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-20188 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: 5599.94 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 759 5208 4 2265 7182 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:e9:79:fc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81189sec preferred_lft 81189sec inet6 fe80::f816:3eff:fee9:79fc/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-20188) 05/26/26 _x86_64_ (2 CPU) 00:46:16 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.59 0.03 1.54 0.02 1.25 18.51 438.75 01:10:05 1.38 0.01 1.35 0.02 0.05 16.39 1.19 01:20:05 14.54 0.26 1.72 12.56 31.12 75.90 109078.70 01:30:01 1.64 0.01 1.60 0.03 1.06 19.32 440.35 01:40:06 1.37 0.00 1.35 0.02 0.00 16.09 1.19 01:50:05 1.42 0.00 1.40 0.02 0.00 16.32 1.09 02:00:01 23.92 3.05 18.60 2.28 229.83 3454.70 692.34 02:10:06 1.31 0.00 1.30 0.01 0.00 21.53 0.08 Average: 5.87 0.41 3.59 1.87 32.69 451.53 13829.95 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6276796 7527720 292760 3.60 30652 1425908 530900 5.78 456304 1187332 124 01:10:05 6283096 7534588 285888 3.52 30884 1426240 530964 5.78 456536 1187896 180 01:20:05 6239980 7518364 301464 3.71 31260 1452392 727240 7.92 471440 1205632 88 01:30:01 6252224 7531488 288424 3.55 31476 1453028 531336 5.79 465956 1206172 124 01:40:06 6252268 7532216 287688 3.54 31692 1453488 531500 5.79 466740 1206720 220 01:50:05 6252016 7532508 287380 3.53 31900 1453820 531532 5.79 466732 1207256 260 02:00:01 5176988 7374736 392904 4.83 86904 2271492 635056 6.92 604448 2034380 164 02:10:06 5140772 7340540 427104 5.25 87016 2273400 657856 7.17 619196 2036400 248 Average: 5984268 7486520 320452 3.94 45223 1651221 584548 6.37 500919 1408974 176 00:50:04 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 0.96 0.07 0.10 0.04 0.00 0.00 0.00 0.00 01:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.49 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.72 0.26 3.23 0.07 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 0.39 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.47 0.14 0.11 0.55 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.30 0.10 0.10 0.05 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 67.52 47.55 330.18 11.66 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 13.16 11.70 106.44 1.05 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 7.46 54.83 1.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-20188) 05/26/26 _x86_64_ (2 CPU) 00:46:16 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.32 0.00 0.20 1.49 0.07 97.92 01:00:01 0 0.12 0.00 0.20 2.13 0.11 97.43 01:00:01 1 0.52 0.00 0.19 0.85 0.02 98.42 01:10:05 all 0.29 0.00 0.09 0.01 0.02 99.58 01:10:05 0 0.08 0.00 0.11 0.02 0.02 99.78 01:10:05 1 0.51 0.00 0.07 0.01 0.01 99.39 01:20:05 all 0.38 0.00 0.12 0.06 0.02 99.42 01:20:05 0 0.25 0.00 0.15 0.09 0.03 99.49 01:20:05 1 0.51 0.00 0.09 0.03 0.02 99.35 01:30:01 all 0.30 0.00 0.17 0.01 0.03 99.49 01:30:01 0 0.11 0.00 0.18 0.02 0.02 99.67 01:30:01 1 0.49 0.00 0.16 0.00 0.03 99.32 01:40:06 all 0.29 0.00 0.07 0.01 0.03 99.60 01:40:06 0 0.08 0.00 0.10 0.01 0.03 99.78 01:40:06 1 0.51 0.00 0.05 0.01 0.02 99.41 01:50:05 all 0.23 0.00 0.07 0.01 0.02 99.67 01:50:05 0 0.06 0.00 0.09 0.00 0.03 99.82 01:50:05 1 0.40 0.00 0.05 0.02 0.02 99.51 02:00:01 all 12.06 0.00 1.82 0.52 0.06 85.54 02:00:01 0 11.43 0.00 1.80 0.36 0.05 86.36 02:00:01 1 12.69 0.00 1.85 0.68 0.07 84.72 02:10:06 all 0.95 0.00 0.22 0.01 0.05 98.77 02:10:06 0 0.89 0.00 0.18 0.01 0.04 98.88 02:10:06 1 1.01 0.00 0.27 0.00 0.05 98.66 Average: all 1.84 0.00 0.34 0.26 0.04 97.52 Average: 0 1.61 0.00 0.35 0.33 0.04 97.67 Average: 1 2.07 0.00 0.34 0.20 0.03 97.36