---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61286 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 8.1G 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 778 5069 4 2388 7163 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:ae:83:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.23/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80689sec preferred_lft 80689sec inet6 fe80::f816:3eff:feae:8346/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61286) 10/02/26 _x86_64_ (2 CPU) 01:17:33 LINUX RESTART (2 CPU) 01:20:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:23 1.48 0.03 1.44 0.01 1.24 18.07 0.31 01:40:01 1.26 0.02 1.23 0.00 1.77 15.34 0.12 01:50:23 1.27 0.00 1.27 0.00 0.00 15.14 0.08 02:00:23 1.56 0.00 1.54 0.02 0.00 18.79 0.28 02:10:01 1.97 0.34 1.62 0.01 45.18 108.91 0.18 02:20:23 1.39 0.00 1.38 0.00 0.01 16.07 0.00 02:30:05 1.55 0.00 1.52 0.03 0.00 18.45 491.12 02:40:01 1.38 0.00 1.37 0.02 0.00 15.95 40.11 02:50:23 39.13 2.89 20.51 15.73 219.78 3545.06 104538.28 Average: 5.82 0.37 3.62 1.82 30.48 433.05 12097.93 01:20:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:23 6266520 7518156 301904 3.71 30612 1427812 529760 5.77 445940 1188388 192 01:40:01 6253852 7506480 313508 3.86 30776 1428640 529972 5.77 446584 1188936 264 01:50:23 6253348 7506496 313496 3.85 30956 1428968 529964 5.77 446836 1189452 164 02:00:23 6254292 7507984 311976 3.84 31148 1429292 530032 5.77 446856 1189968 124 02:10:01 6204044 7497760 321364 3.95 31744 1468236 723816 7.88 465384 1219360 240 02:20:23 6211604 7505968 313144 3.85 31924 1468696 723948 7.89 465552 1219872 124 02:30:05 6215988 7511040 307984 3.79 32144 1469148 723980 7.89 465688 1220404 248 02:40:01 6220044 7515640 303388 3.73 32340 1469476 724052 7.89 465788 1220940 240 02:50:23 5100188 7380284 384796 4.73 88680 2351712 856232 9.33 611460 2114224 152 Average: 6108876 7494423 319062 3.92 37814 1549109 652417 7.11 473343 1305727 194 01:20:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:23 ens3 0.92 0.11 0.14 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.75 0.21 0.21 0.12 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 0.49 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:23 ens3 0.72 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.83 0.51 3.49 0.63 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 0.22 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:05 ens3 0.24 0.04 0.03 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 0.34 0.07 0.08 0.05 0.00 0.00 0.00 0.00 02:50:23 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:50:23 ens3 77.77 57.99 342.48 14.60 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 9.45 6.79 39.89 1.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61286) 10/02/26 _x86_64_ (2 CPU) 01:17:33 LINUX RESTART (2 CPU) 01:20:23 CPU %user %nice %system %iowait %steal %idle 01:30:23 all 0.31 0.00 0.19 0.01 0.00 99.49 01:30:23 0 0.27 0.00 0.20 0.01 0.00 99.52 01:30:23 1 0.35 0.00 0.17 0.02 0.00 99.45 01:40:01 all 0.29 0.00 0.10 0.01 0.00 99.60 01:40:01 0 0.11 0.00 0.11 0.01 0.00 99.76 01:40:01 1 0.46 0.00 0.08 0.02 0.00 99.44 01:50:23 all 0.25 0.00 0.08 0.01 0.00 99.65 01:50:23 0 0.05 0.00 0.10 0.01 0.00 99.83 01:50:23 1 0.45 0.00 0.07 0.02 0.00 99.47 02:00:23 all 0.29 0.00 0.20 0.01 0.00 99.50 02:00:23 0 0.31 0.00 0.19 0.02 0.00 99.47 02:00:23 1 0.26 0.00 0.21 0.00 0.00 99.52 02:10:01 all 0.42 0.00 0.11 0.03 0.01 99.43 02:10:01 0 0.49 0.00 0.13 0.04 0.01 99.33 02:10:01 1 0.36 0.00 0.10 0.01 0.01 99.52 02:20:23 all 0.26 0.00 0.08 0.02 0.00 99.65 02:20:23 0 0.05 0.00 0.10 0.03 0.00 99.81 02:20:23 1 0.46 0.00 0.06 0.01 0.00 99.48 02:30:05 all 0.26 0.00 0.17 0.01 0.00 99.55 02:30:05 0 0.21 0.00 0.18 0.01 0.00 99.59 02:30:05 1 0.32 0.00 0.17 0.01 0.00 99.51 02:40:01 all 0.25 0.00 0.07 0.01 0.00 99.66 02:40:01 0 0.10 0.00 0.09 0.01 0.00 99.80 02:40:01 1 0.40 0.00 0.06 0.01 0.00 99.52 02:50:23 all 14.49 0.00 2.08 0.64 0.01 82.78 02:50:23 0 13.96 0.00 2.22 0.80 0.01 83.02 02:50:23 1 15.02 0.00 1.94 0.49 0.01 82.54 Average: all 1.93 0.00 0.35 0.09 0.00 97.63 Average: 0 1.78 0.00 0.38 0.11 0.00 97.73 Average: 1 2.07 0.00 0.32 0.07 0.00 97.54