---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3044 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 8.2G 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 783 4986 4 2467 7158 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:a1:35:0f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79808sec preferred_lft 79808sec inet6 fe80::f816:3eff:fea1:350f/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-3044) 09/08/26 _x86_64_ (2 CPU) 01:07:14 LINUX RESTART (2 CPU) 01:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:16 1.97 0.36 1.61 0.01 44.75 105.64 5.15 01:30:01 1.39 0.01 1.36 0.02 0.05 17.14 473.23 01:40:07 1.16 0.00 1.14 0.02 0.00 14.69 49.35 01:50:16 1.07 0.00 1.05 0.02 0.00 13.58 48.96 02:00:01 1.34 0.00 1.31 0.03 0.00 16.84 488.19 02:10:16 1.22 0.00 1.20 0.02 0.00 14.78 38.99 02:20:16 1.40 0.00 1.38 0.02 0.00 16.49 49.73 02:30:01 1.56 0.00 1.53 0.03 0.00 18.73 488.70 02:40:16 1.40 0.00 1.38 0.02 0.00 16.76 48.50 02:50:16 38.52 2.84 20.19 15.49 224.44 3566.35 109664.73 Average: 5.10 0.32 3.21 1.57 26.92 380.09 11132.44 01:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:16 6227012 7513156 306168 3.76 31016 1461288 724016 7.89 464576 1212572 220 01:30:01 6238936 7525648 293560 3.61 31236 1461588 724148 7.89 464480 1213092 240 01:40:07 6238696 7525952 293284 3.61 31452 1461912 724212 7.89 464536 1213632 124 01:50:16 6246508 7534300 284900 3.50 31652 1462268 724212 7.89 464824 1214160 248 02:00:01 6235444 7523920 295244 3.63 31856 1462700 724212 7.89 464924 1214696 288 02:10:16 6235444 7524476 294680 3.62 32048 1463056 724276 7.89 465052 1215244 156 02:20:16 6240644 7530224 288944 3.55 32264 1463380 724404 7.89 465224 1215784 160 02:30:01 6243980 7534084 285060 3.51 32468 1463680 724412 7.89 465268 1216288 240 02:40:16 6255836 7546516 272600 3.35 32676 1464044 724412 7.89 465260 1216856 352 02:50:16 5126256 7381860 383944 4.72 88196 2327968 851644 9.28 623272 2090732 4276 Average: 6128876 7514014 299838 3.69 37486 1549188 736995 8.03 480742 1302306 630 01:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:16 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 1.84 0.56 3.44 0.09 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 0.51 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.35 0.08 0.07 0.05 0.00 0.00 0.00 0.00 01:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:16 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 0.43 0.05 0.07 0.03 0.00 0.00 0.00 0.00 02:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:16 ens3 0.16 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.32 0.15 0.05 0.56 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 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:40:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:16 ens3 0.25 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:50:16 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:50:16 ens3 73.15 56.90 339.01 14.57 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 7.75 5.80 34.29 1.54 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-3044) 09/08/26 _x86_64_ (2 CPU) 01:07:14 LINUX RESTART (2 CPU) 01:10:16 CPU %user %nice %system %iowait %steal %idle 01:20:16 all 0.44 0.00 0.14 0.03 0.01 99.39 01:20:16 0 0.51 0.00 0.10 0.02 0.01 99.36 01:20:16 1 0.36 0.00 0.18 0.03 0.01 99.42 01:30:01 all 0.29 0.00 0.19 0.01 0.01 99.51 01:30:01 0 0.49 0.00 0.16 0.01 0.00 99.34 01:30:01 1 0.09 0.00 0.21 0.01 0.01 99.69 01:40:07 all 0.27 0.00 0.10 0.01 0.00 99.62 01:40:07 0 0.17 0.00 0.11 0.02 0.00 99.70 01:40:07 1 0.36 0.00 0.08 0.00 0.00 99.55 01:50:16 all 0.28 0.00 0.10 0.01 0.00 99.61 01:50:16 0 0.08 0.00 0.13 0.00 0.00 99.79 01:50:16 1 0.48 0.00 0.07 0.02 0.00 99.42 02:00:01 all 0.26 0.00 0.19 0.01 0.00 99.54 02:00:01 0 0.07 0.00 0.19 0.01 0.00 99.72 02:00:01 1 0.44 0.00 0.18 0.02 0.00 99.36 02:10:16 all 0.25 0.00 0.10 0.01 0.00 99.64 02:10:16 0 0.06 0.00 0.13 0.01 0.00 99.79 02:10:16 1 0.45 0.00 0.06 0.00 0.00 99.49 02:20:16 all 0.26 0.00 0.11 0.02 0.00 99.61 02:20:16 0 0.08 0.00 0.13 0.01 0.01 99.78 02:20:16 1 0.45 0.00 0.09 0.02 0.00 99.44 02:30:01 all 0.29 0.00 0.19 0.01 0.00 99.50 02:30:01 0 0.09 0.00 0.23 0.00 0.01 99.67 02:30:01 1 0.50 0.00 0.14 0.02 0.00 99.34 02:40:16 all 0.26 0.00 0.12 0.01 0.00 99.61 02:40:16 0 0.06 0.00 0.13 0.01 0.00 99.79 02:40:16 1 0.46 0.00 0.10 0.01 0.00 99.43 02:50:16 all 16.69 0.00 2.14 0.82 0.02 80.33 02:50:16 0 12.52 0.00 2.25 1.06 0.02 84.15 02:50:16 1 20.87 0.00 2.03 0.58 0.02 76.50 Average: all 1.93 0.00 0.34 0.09 0.01 97.64 Average: 0 1.41 0.00 0.36 0.12 0.01 98.11 Average: 1 2.44 0.00 0.31 0.07 0.01 97.17