---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-30588 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 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 747 5139 4 2346 7194 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:54:e8:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79081sec preferred_lft 79081sec inet6 fe80::f816:3eff:fe54:e8df/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-30588) 06/26/26 _x86_64_ (2 CPU) 00:41:54 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:18 1.53 0.01 1.51 0.01 0.05 18.03 436.39 01:10:18 13.97 0.00 1.41 12.56 0.15 16.55 109187.26 01:20:18 1.99 0.26 1.72 0.01 32.04 76.41 0.47 01:30:18 1.62 0.00 1.60 0.01 0.00 19.15 435.69 01:40:18 1.37 0.00 1.37 0.00 0.00 16.24 0.00 01:50:18 23.91 3.01 18.62 2.28 227.80 3452.53 703.85 02:00:18 1.54 0.00 1.52 0.02 0.00 24.84 0.28 02:10:08 1.31 0.00 1.31 0.00 0.00 19.22 0.03 02:20:18 1.61 0.00 1.59 0.02 0.00 138.44 383.82 02:30:18 1.56 0.00 1.52 0.05 0.00 33.11 389.10 02:40:18 1.48 0.00 1.45 0.03 0.00 23.76 777.63 Average: 4.72 0.30 3.06 1.36 23.64 349.10 10210.96 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:18 6294640 7542176 278196 3.42 30684 1422536 532580 5.80 442004 1183520 200 01:10:18 6308360 7556500 263832 3.24 30900 1422908 532644 5.80 442408 1184092 132 01:20:18 6253752 7529224 290668 3.57 31256 1449532 532776 5.80 452428 1201996 132 01:30:18 6250716 7526740 293052 3.60 31444 1449860 532848 5.80 452212 1202512 136 01:40:18 6265628 7542276 277500 3.41 31620 1450312 533016 5.81 452812 1203004 196 01:50:18 5166776 7365584 401380 4.94 86708 2272280 645788 7.03 600580 2034500 268 02:00:18 5180224 7381144 385820 4.74 86840 2274244 654352 7.13 600440 2036604 136 02:10:08 5153548 7355892 411072 5.05 86996 2275512 673084 7.33 619848 2038028 236 02:20:18 5110480 7349488 417140 5.13 87200 2311868 732600 7.98 628684 2074584 168 02:30:18 5125736 7369452 397240 4.88 87372 2316344 665388 7.25 610676 2079108 172 02:40:18 5071608 7317468 449248 5.52 87528 2318304 697660 7.60 642856 2081224 136 Average: 5652861 7439631 351377 4.32 61686 1905791 612067 6.67 540450 1665379 174 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 0.62 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 1.14 0.15 9.30 0.13 0.00 0.00 0.00 0.00 01:20:18 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 0.98 0.49 3.32 0.68 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 0.29 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 0.63 0.15 0.20 0.12 0.00 0.00 0.00 0.00 01:50:18 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:18 ens3 71.74 47.65 426.92 11.98 0.00 0.00 0.00 0.00 02:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:18 ens3 11.53 10.04 140.01 0.97 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 5.37 4.81 33.62 0.62 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 12.23 11.16 154.57 1.35 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 12.28 11.76 141.51 1.38 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 11.34 11.04 167.76 1.06 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.66 8.86 98.12 1.67 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-30588) 06/26/26 _x86_64_ (2 CPU) 00:41:54 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:18 all 0.29 0.00 0.16 0.01 0.02 99.52 01:00:18 0 0.31 0.00 0.15 0.01 0.02 99.51 01:00:18 1 0.28 0.00 0.16 0.01 0.03 99.53 01:10:18 all 0.28 0.00 0.09 0.03 0.03 99.58 01:10:18 0 0.30 0.00 0.07 0.01 0.03 99.59 01:10:18 1 0.26 0.00 0.10 0.05 0.03 99.56 01:20:18 all 0.42 0.00 0.10 0.45 0.02 99.02 01:20:18 0 0.48 0.00 0.12 0.88 0.02 98.49 01:20:18 1 0.35 0.00 0.08 0.01 0.03 99.54 01:30:18 all 0.27 0.00 0.15 0.02 0.02 99.54 01:30:18 0 0.27 0.00 0.15 0.01 0.02 99.56 01:30:18 1 0.28 0.00 0.16 0.03 0.02 99.52 01:40:18 all 0.27 0.00 0.07 0.01 0.02 99.63 01:40:18 0 0.19 0.00 0.09 0.02 0.02 99.69 01:40:18 1 0.35 0.00 0.06 0.00 0.02 99.57 01:50:18 all 12.44 0.00 1.84 0.57 0.06 85.09 01:50:18 0 16.68 0.00 2.20 0.68 0.06 80.38 01:50:18 1 8.19 0.00 1.47 0.46 0.06 89.82 02:00:18 all 0.95 0.00 0.29 0.01 0.05 98.70 02:00:18 0 1.11 0.00 0.37 0.01 0.07 98.44 02:00:18 1 0.79 0.00 0.21 0.00 0.03 98.97 02:10:08 all 5.43 0.00 0.73 0.08 0.11 93.65 02:10:08 0 6.17 0.00 0.82 0.05 0.14 92.82 02:10:08 1 4.69 0.00 0.63 0.12 0.09 94.47 02:20:18 all 3.74 0.00 0.56 0.02 0.05 95.62 02:20:18 0 3.65 0.00 0.57 0.04 0.05 95.69 02:20:18 1 3.84 0.00 0.55 0.01 0.05 95.55 02:30:18 all 1.66 0.00 0.39 0.02 0.04 97.89 02:30:18 0 2.36 0.00 0.43 0.01 0.04 97.16 02:30:18 1 0.96 0.00 0.36 0.02 0.04 98.62 02:40:18 all 1.00 0.00 0.25 0.01 0.04 98.70 02:40:18 0 0.98 0.00 0.27 0.02 0.04 98.70 02:40:18 1 1.02 0.00 0.24 0.01 0.03 98.71 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.42 0.00 0.42 0.11 0.04 97.01 Average: 0 2.94 0.00 0.47 0.16 0.05 96.38 Average: 1 1.90 0.00 0.36 0.06 0.04 97.64