---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3047 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: 5600.00 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 750 5181 4 2303 7191 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:5b:2e:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79919sec preferred_lft 79919sec inet6 fe80::f816:3eff:fe5b:2e2f/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-3047) 09/08/26 _x86_64_ (2 CPU) 01:07:11 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:23 1.35 0.03 1.32 0.00 1.21 16.03 5.53 01:30:01 1.49 0.01 1.46 0.02 0.06 18.01 6.23 01:40:02 15.13 0.33 1.58 13.22 43.63 104.67 109047.53 01:50:25 1.22 0.00 1.20 0.02 0.00 14.60 47.89 02:00:01 1.47 0.00 1.43 0.03 0.00 18.08 940.09 02:10:01 1.22 0.00 1.20 0.02 0.00 14.65 49.69 02:20:13 1.28 0.00 1.28 0.00 0.00 15.14 0.00 02:30:01 1.42 0.00 1.41 0.01 0.00 17.37 652.26 02:40:01 1.21 0.00 1.21 0.00 0.00 14.64 0.00 02:50:23 25.93 2.74 20.86 2.33 216.07 3517.97 2174.80 Average: 5.24 0.32 3.36 1.57 26.77 386.19 11257.66 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:23 6308724 7555528 264824 3.26 30576 1422892 531968 5.79 445456 1183776 160 01:30:01 6291960 7539268 281236 3.46 30764 1423192 532032 5.79 445204 1184264 240 01:40:02 6231444 7518636 300916 3.70 31372 1461980 733188 7.99 463532 1213544 248 01:50:25 6231232 7519012 300528 3.70 31588 1462336 733240 7.99 463768 1214120 156 02:00:01 6246460 7534896 284572 3.50 31788 1462764 733276 7.99 464032 1214620 244 02:10:01 6245968 7534936 284520 3.50 31980 1463104 733276 7.99 464232 1215144 260 02:20:13 6245720 7535184 284216 3.49 32140 1463448 733268 7.99 464124 1215628 156 02:30:01 6245012 7534976 284360 3.50 32304 1463748 733328 7.99 464304 1216120 244 02:40:01 6252248 7542700 276636 3.40 32456 1464076 733396 7.99 464500 1216600 276 02:50:23 5185084 7409024 357028 4.39 88144 2296444 883036 9.62 593696 2059136 380 Average: 6148385 7522416 291884 3.59 37311 1538398 708001 7.71 473285 1293295 236 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:23 ens3 1.16 0.10 0.15 0.05 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 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:40:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.96 0.50 3.35 0.07 0.00 0.00 0.00 0.00 01:50:25 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:25 ens3 0.33 0.07 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 0.44 0.07 0.07 0.04 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.17 0.02 0.02 0.01 0.00 0.00 0.00 0.00 02:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:13 ens3 0.20 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 0.20 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 0.31 0.16 0.06 0.61 0.00 0.00 0.00 0.00 02:50:23 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:23 ens3 77.73 60.10 309.73 12.38 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 8.45 6.31 32.35 1.37 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3047) 09/08/26 _x86_64_ (2 CPU) 01:07:11 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:23 all 0.30 0.00 0.10 0.01 0.01 99.58 01:20:23 0 0.10 0.00 0.12 0.00 0.01 99.77 01:20:23 1 0.50 0.00 0.08 0.02 0.01 99.39 01:30:01 all 0.29 0.00 0.22 0.01 0.01 99.47 01:30:01 0 0.12 0.00 0.25 0.00 0.01 99.63 01:30:01 1 0.47 0.00 0.19 0.02 0.01 99.31 01:40:02 all 0.44 0.00 0.15 0.06 0.01 99.34 01:40:02 0 0.59 0.00 0.17 0.07 0.01 99.16 01:40:02 1 0.30 0.00 0.13 0.04 0.01 99.52 01:50:25 all 0.29 0.00 0.09 0.01 0.01 99.60 01:50:25 0 0.40 0.00 0.05 0.00 0.00 99.54 01:50:25 1 0.18 0.00 0.13 0.02 0.01 99.66 02:00:01 all 0.26 0.00 0.20 0.01 0.01 99.52 02:00:01 0 0.10 0.00 0.20 0.02 0.01 99.68 02:00:01 1 0.42 0.00 0.20 0.01 0.01 99.37 02:10:01 all 0.27 0.00 0.09 0.01 0.01 99.63 02:10:01 0 0.04 0.00 0.09 0.02 0.01 99.84 02:10:01 1 0.49 0.00 0.09 0.00 0.01 99.42 02:20:13 all 0.27 0.00 0.09 0.01 0.01 99.62 02:20:13 0 0.05 0.00 0.10 0.02 0.01 99.81 02:20:13 1 0.49 0.00 0.08 0.00 0.01 99.42 02:30:01 all 0.29 0.00 0.20 0.01 0.01 99.48 02:30:01 0 0.08 0.00 0.21 0.02 0.01 99.67 02:30:01 1 0.51 0.00 0.19 0.00 0.01 99.29 02:40:01 all 0.26 0.00 0.10 0.01 0.01 99.62 02:40:01 0 0.39 0.00 0.10 0.00 0.01 99.50 02:40:01 1 0.13 0.00 0.11 0.02 0.01 99.74 02:50:23 all 13.69 0.00 2.24 5.46 0.03 78.58 02:50:23 0 16.58 0.00 2.26 6.60 0.03 74.53 02:50:23 1 10.80 0.00 2.22 4.33 0.03 82.62 Average: all 1.68 0.00 0.35 0.58 0.01 97.38 Average: 0 1.89 0.00 0.36 0.69 0.01 97.04 Average: 1 1.46 0.00 0.35 0.46 0.01 97.72