---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3056 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 761 5188 4 2285 7180 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:de:26:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80124sec preferred_lft 80124sec inet6 fe80::f816:3eff:fede:269f/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-3056) 09/08/26 _x86_64_ (2 CPU) 01:07:34 LINUX RESTART (2 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.24 0.03 1.21 0.00 1.28 15.14 0.01 01:30:01 1.38 0.01 1.34 0.03 0.05 17.64 0.37 01:40:02 1.26 0.00 1.25 0.02 0.00 15.46 0.13 01:50:01 1.91 0.33 1.56 0.03 43.56 105.55 10.24 02:00:01 1.55 0.00 1.52 0.03 0.00 19.02 684.44 02:10:02 1.29 0.00 1.27 0.02 0.00 15.56 49.66 02:20:01 14.64 0.00 1.38 13.26 0.15 16.67 109242.00 02:30:01 1.52 0.00 1.50 0.02 0.00 19.18 852.87 02:40:42 1.31 0.02 1.29 0.00 2.01 16.00 0.04 02:50:01 32.13 3.08 25.88 3.16 240.39 3892.92 3476.45 Average: 5.62 0.33 3.66 1.63 27.16 387.57 11400.87 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6296276 7543300 277192 3.41 30524 1423176 529104 5.76 447004 1183804 284 01:30:01 6286992 7534700 285924 3.52 30732 1423636 529380 5.77 446932 1184344 240 01:40:02 6286992 7535240 285404 3.51 30940 1423968 529380 5.77 447168 1184876 276 01:50:01 6221464 7509596 310100 3.81 31588 1462708 730376 7.96 465224 1214188 280 02:00:01 6217036 7505884 313632 3.86 31816 1463168 730440 7.96 465472 1214748 276 02:10:02 6217036 7506412 313108 3.85 32016 1463492 730440 7.96 465768 1215272 244 02:20:01 6216784 7506692 312748 3.85 32196 1463864 730440 7.96 465872 1215764 316 02:30:01 6224676 7515152 304312 3.74 32380 1464196 730440 7.96 465880 1216312 288 02:40:42 6227532 7519180 300280 3.69 32548 1465192 730632 7.96 467060 1216916 160 02:50:01 5328380 7357920 417380 5.13 89064 2109320 844816 9.20 642212 1872228 22872 Average: 6152317 7503408 312008 3.84 37380 1516272 681545 7.42 477859 1271845 2524 01:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.19 0.08 0.16 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 0.53 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.36 0.06 0.07 0.04 0.00 0.00 0.00 0.00 01:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.63 0.29 3.34 0.06 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 0.06 0.07 0.03 0.00 0.00 0.00 0.00 02:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:02 ens3 0.17 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 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 0.19 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:40:42 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:42 ens3 0.39 0.15 0.09 0.58 0.00 0.00 0.00 0.00 02:50:01 lo 1.35 1.35 0.08 0.08 0.00 0.00 0.00 0.00 02:50:01 ens3 120.88 102.29 1718.10 90.83 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 11.70 9.63 160.79 8.57 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3056) 09/08/26 _x86_64_ (2 CPU) 01:07:34 LINUX RESTART (2 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.29 0.00 0.12 0.01 0.01 99.57 01:20:01 0 0.09 0.00 0.13 0.01 0.01 99.77 01:20:01 1 0.49 0.00 0.12 0.02 0.01 99.37 01:30:01 all 0.29 0.00 0.22 0.01 0.00 99.47 01:30:01 0 0.11 0.00 0.25 0.00 0.00 99.64 01:30:01 1 0.48 0.00 0.19 0.02 0.00 99.31 01:40:02 all 0.26 0.00 0.10 0.01 0.00 99.62 01:40:02 0 0.06 0.00 0.12 0.00 0.01 99.81 01:40:02 1 0.46 0.00 0.09 0.02 0.00 99.43 01:50:01 all 0.43 0.00 0.15 0.03 0.00 99.39 01:50:01 0 0.40 0.00 0.17 0.02 0.01 99.40 01:50:01 1 0.46 0.00 0.13 0.03 0.00 99.38 02:00:01 all 0.29 0.00 0.19 0.01 0.01 99.50 02:00:01 0 0.50 0.00 0.16 0.02 0.01 99.32 02:00:01 1 0.08 0.00 0.23 0.01 0.01 99.68 02:10:02 all 0.24 0.00 0.12 0.01 0.01 99.62 02:10:02 0 0.43 0.00 0.10 0.01 0.00 99.47 02:10:02 1 0.06 0.00 0.14 0.01 0.01 99.78 02:20:01 all 0.28 0.00 0.11 0.04 0.01 99.57 02:20:01 0 0.49 0.00 0.07 0.02 0.00 99.42 02:20:01 1 0.06 0.00 0.15 0.06 0.01 99.72 02:30:01 all 0.31 0.00 0.22 0.01 0.01 99.45 02:30:01 0 0.51 0.00 0.19 0.00 0.01 99.30 02:30:01 1 0.11 0.00 0.25 0.03 0.01 99.61 02:40:42 all 0.29 0.00 0.12 0.01 0.00 99.57 02:40:42 0 0.50 0.00 0.10 0.01 0.00 99.39 02:40:42 1 0.08 0.00 0.14 0.02 0.00 99.75 02:50:01 all 18.73 0.00 2.97 0.96 0.03 77.32 02:50:01 0 18.62 0.00 3.14 0.98 0.03 77.23 02:50:01 1 18.84 0.00 2.80 0.93 0.03 77.41 Average: all 2.01 0.00 0.41 0.10 0.01 97.46 Average: 0 2.04 0.00 0.42 0.10 0.01 97.44 Average: 1 1.99 0.00 0.41 0.11 0.01 97.49