---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3050 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 760 5185 4 2290 7181 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:32:9e:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.252/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80079sec preferred_lft 80079sec inet6 fe80::f816:3eff:fe32:9ec9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3050) 09/08/26 _x86_64_ (2 CPU) 01:07:19 LINUX RESTART (2 CPU) 01:10:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:09 1.37 0.05 1.31 0.01 3.48 16.79 25.50 01:30:01 1.42 0.01 1.38 0.04 0.05 18.07 50.77 01:40:23 1.20 0.00 1.18 0.02 0.00 14.70 47.97 01:50:23 1.23 0.00 1.21 0.02 0.00 15.07 49.73 02:00:01 1.41 0.00 1.38 0.03 0.00 17.44 41.64 02:10:19 1.25 0.00 1.23 0.02 0.00 15.37 53.13 02:20:23 1.22 0.00 1.20 0.02 0.00 14.98 49.42 02:30:01 1.46 0.00 1.43 0.03 0.00 17.81 46.73 02:40:23 14.14 0.00 1.37 12.77 0.14 16.97 105113.45 02:50:19 25.86 2.89 20.35 2.62 225.52 3544.77 2375.46 Average: 5.09 0.29 3.19 1.60 22.78 367.14 11180.55 01:10:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:09 6220144 7506636 312672 3.84 31056 1461588 733532 7.99 466840 1212672 204 01:30:01 6217608 7504704 314620 3.87 31288 1461916 733532 7.99 466772 1213232 128 01:40:23 6217628 7505244 314052 3.86 31480 1462272 733672 7.99 466960 1213752 164 01:50:23 6217628 7505804 313512 3.86 31680 1462596 733736 7.99 467196 1214304 164 02:00:01 6217932 7506760 312512 3.84 31876 1463028 733800 7.99 467532 1214804 124 02:10:19 6218976 7508352 310916 3.82 32088 1463356 733800 7.99 467424 1215344 132 02:20:23 6224928 7514864 304396 3.74 32288 1463712 733800 7.99 467552 1215900 196 02:30:01 6227992 7518432 300800 3.70 32480 1464012 733864 7.99 467504 1216392 244 02:40:23 6241744 7532812 286368 3.52 32692 1464416 733864 7.99 467728 1216980 164 02:50:19 5374388 7415872 359216 4.42 89396 2120900 806004 8.78 595848 1884780 12864 Average: 6137897 7501948 312906 3.85 37632 1528780 740960 8.07 480136 1281816 1438 01:10:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:09 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 1.09 0.12 0.16 0.06 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 0.52 0.09 0.09 0.04 0.00 0.00 0.00 0.00 01:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:23 ens3 0.34 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:23 ens3 0.32 0.06 0.08 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.54 0.20 0.08 0.58 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.17 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:23 ens3 0.21 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.21 0.05 0.05 0.01 0.00 0.00 0.00 0.00 02:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:23 ens3 0.25 0.06 0.05 0.03 0.00 0.00 0.00 0.00 02:50:19 lo 1.32 1.32 0.08 0.08 0.00 0.00 0.00 0.00 02:50:19 ens3 121.99 103.85 351.91 33.76 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 12.49 10.39 35.05 3.44 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3050) 09/08/26 _x86_64_ (2 CPU) 01:07:19 LINUX RESTART (2 CPU) 01:10:23 CPU %user %nice %system %iowait %steal %idle 01:20:09 all 0.28 0.00 0.13 0.01 0.00 99.58 01:20:09 0 0.46 0.00 0.11 0.01 0.00 99.41 01:20:09 1 0.09 0.00 0.14 0.01 0.00 99.75 01:30:01 all 0.26 0.00 0.19 0.01 0.00 99.53 01:30:01 0 0.44 0.00 0.15 0.01 0.00 99.40 01:30:01 1 0.08 0.00 0.23 0.02 0.00 99.66 01:40:23 all 0.25 0.00 0.10 0.01 0.00 99.64 01:40:23 0 0.14 0.00 0.11 0.02 0.00 99.72 01:40:23 1 0.35 0.00 0.09 0.01 0.00 99.55 01:50:23 all 0.25 0.00 0.09 0.01 0.00 99.65 01:50:23 0 0.06 0.00 0.10 0.01 0.00 99.84 01:50:23 1 0.44 0.00 0.07 0.02 0.00 99.47 02:00:01 all 0.31 0.00 0.17 0.01 0.00 99.50 02:00:01 0 0.11 0.00 0.21 0.00 0.00 99.68 02:00:01 1 0.51 0.00 0.14 0.03 0.00 99.32 02:10:19 all 0.24 0.00 0.09 0.01 0.00 99.65 02:10:19 0 0.05 0.00 0.11 0.00 0.00 99.83 02:10:19 1 0.42 0.00 0.08 0.02 0.00 99.48 02:20:23 all 0.26 0.00 0.10 0.01 0.00 99.63 02:20:23 0 0.06 0.00 0.10 0.00 0.00 99.83 02:20:23 1 0.46 0.00 0.09 0.02 0.00 99.43 02:30:01 all 0.28 0.00 0.19 0.02 0.00 99.51 02:30:01 0 0.07 0.00 0.19 0.03 0.00 99.71 02:30:01 1 0.49 0.00 0.19 0.01 0.00 99.32 02:40:23 all 0.26 0.00 0.13 0.06 0.00 99.55 02:40:23 0 0.05 0.00 0.15 0.10 0.00 99.69 02:40:23 1 0.47 0.00 0.11 0.01 0.00 99.40 02:50:19 all 18.51 0.00 2.48 0.67 0.02 78.32 02:50:19 0 12.30 0.00 2.12 0.52 0.02 85.04 02:50:19 1 24.75 0.00 2.84 0.82 0.03 71.56 Average: all 2.08 0.00 0.36 0.08 0.00 97.47 Average: 0 1.37 0.00 0.33 0.07 0.00 98.22 Average: 1 2.79 0.00 0.39 0.10 0.01 96.72