---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8520 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 785 5127 4 2323 7156 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:e1:d6:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.47/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80648sec preferred_lft 80648sec inet6 fe80::f816:3eff:fee1:d6c2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8520) 09/16/26 _x86_64_ (2 CPU) 01:05:18 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:08 14.39 0.03 1.29 13.06 1.38 16.34 107838.87 01:30:08 2.02 0.34 1.64 0.04 43.55 106.83 471.42 01:40:01 1.14 0.00 1.12 0.02 0.00 14.49 45.26 01:50:08 1.22 0.00 1.20 0.02 0.00 15.27 49.22 02:00:08 1.48 0.00 1.45 0.03 0.00 18.33 476.19 02:10:01 1.23 0.00 1.21 0.02 0.00 15.38 50.31 02:20:08 1.13 0.00 1.11 0.02 0.00 14.38 49.17 02:30:08 1.32 0.00 1.29 0.03 0.00 17.15 902.45 02:40:01 28.05 3.08 22.12 2.85 233.32 3681.45 2925.04 Average: 5.76 0.38 3.58 1.80 30.64 428.85 12664.94 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:08 6303808 7550956 269312 3.31 30616 1423168 534048 5.82 445548 1184236 148 01:30:08 6229560 7516716 302708 3.72 31268 1462004 724348 7.89 461520 1213640 124 01:40:01 6228816 7516496 302956 3.73 31468 1462328 724348 7.89 461588 1214164 244 01:50:08 6250516 7538788 280668 3.45 31668 1462716 724480 7.89 461792 1214688 76 02:00:08 6240484 7529312 290076 3.57 31880 1463048 724544 7.89 464720 1215232 124 02:10:01 6247596 7537092 282292 3.47 32080 1463504 724544 7.89 464812 1215760 272 02:20:08 6249236 7539256 280104 3.44 32280 1463824 724568 7.89 464936 1216280 236 02:30:08 6229108 7519824 299532 3.68 32500 1464288 724632 7.89 465008 1216836 200 02:40:01 5200972 7321556 453576 5.58 89812 2199528 877864 9.56 691760 1963468 77820 Average: 6131122 7507777 306803 3.77 38175 1540490 720375 7.85 486854 1294923 8805 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.78 0.09 0.13 0.06 0.00 0.00 0.00 0.00 01:30:08 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:08 ens3 0.79 0.25 3.63 0.05 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 0.52 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 0.22 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:08 ens3 0.40 0.18 0.07 0.46 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 0.21 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.22 0.05 0.03 0.02 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.20 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 02:40:01 ens3 136.40 113.38 425.95 36.66 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 15.36 12.54 47.26 4.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8520) 09/16/26 _x86_64_ (2 CPU) 01:05:18 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:08 all 0.28 0.00 0.11 0.04 0.00 99.56 01:20:08 0 0.08 0.00 0.15 0.06 0.00 99.70 01:20:08 1 0.47 0.00 0.08 0.03 0.00 99.43 01:30:08 all 0.47 0.00 0.23 0.03 0.01 99.27 01:30:08 0 0.37 0.00 0.26 0.02 0.01 99.35 01:30:08 1 0.58 0.00 0.20 0.04 0.01 99.18 01:40:01 all 0.24 0.00 0.08 0.01 0.00 99.68 01:40:01 0 0.22 0.00 0.08 0.01 0.00 99.69 01:40:01 1 0.25 0.00 0.07 0.02 0.00 99.66 01:50:08 all 0.25 0.00 0.08 0.01 0.00 99.65 01:50:08 0 0.45 0.00 0.04 0.02 0.00 99.49 01:50:08 1 0.06 0.00 0.13 0.00 0.00 99.81 02:00:08 all 0.32 0.00 0.17 0.01 0.00 99.49 02:00:08 0 0.29 0.00 0.16 0.03 0.00 99.52 02:00:08 1 0.34 0.00 0.19 0.00 0.00 99.47 02:10:01 all 0.28 0.00 0.08 0.01 0.00 99.63 02:10:01 0 0.26 0.00 0.08 0.02 0.00 99.63 02:10:01 1 0.29 0.00 0.08 0.00 0.00 99.62 02:20:08 all 0.24 0.00 0.07 0.01 0.00 99.68 02:20:08 0 0.43 0.00 0.04 0.00 0.00 99.53 02:20:08 1 0.05 0.00 0.10 0.02 0.00 99.82 02:30:08 all 0.27 0.00 0.17 0.01 0.00 99.54 02:30:08 0 0.33 0.00 0.14 0.00 0.00 99.52 02:30:08 1 0.22 0.00 0.19 0.03 0.00 99.57 02:40:01 all 18.34 0.00 2.48 1.23 0.02 77.93 02:40:01 0 25.63 0.00 2.55 1.00 0.02 70.80 02:40:01 1 11.05 0.00 2.41 1.47 0.02 85.06 Average: all 2.27 0.00 0.38 0.15 0.00 97.19 Average: 0 3.08 0.00 0.39 0.13 0.00 96.40 Average: 1 1.46 0.00 0.38 0.18 0.00 97.98