---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-61908 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 8.2G 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 798 4894 4 2559 7142 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:75:89:f9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80670sec preferred_lft 80670sec inet6 fe80::f816:3eff:fe75:89f9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61908) 10/04/26 _x86_64_ (2 CPU) 01:41:22 LINUX RESTART (2 CPU) 01:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:15 1.46 0.01 1.44 0.02 0.05 17.96 0.60 02:10:01 1.13 0.00 1.11 0.02 0.00 14.13 0.86 02:20:19 1.21 0.00 1.19 0.02 0.01 14.75 0.87 02:30:19 1.45 0.00 1.41 0.04 0.00 17.55 1.17 02:40:01 1.22 0.00 1.20 0.02 0.00 14.76 0.73 02:50:19 1.81 0.32 1.47 0.02 42.27 101.67 14.85 03:00:19 14.62 0.00 1.39 13.23 0.15 17.13 109593.53 03:10:01 30.31 15.60 13.78 0.93 273.37 2298.03 760.11 Average: 6.56 1.94 2.83 1.79 38.76 304.87 13845.55 01:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:15 6282648 7530472 289772 3.56 30712 1423736 524832 5.72 448088 1184296 132 02:10:01 6282408 7530752 289492 3.56 30900 1424064 524928 5.72 448184 1184812 124 02:20:19 6282408 7531296 288928 3.55 31120 1424392 524928 5.72 448212 1185348 196 02:30:19 6281572 7530992 289220 3.56 31312 1424716 524928 5.72 448372 1185864 188 02:40:01 6289524 7539628 280592 3.45 31516 1425176 526580 5.74 449948 1186412 236 02:50:19 6217112 7507216 311940 3.84 32152 1464056 720388 7.85 467108 1215844 188 03:00:19 6215832 7506556 312496 3.84 32356 1464428 718844 7.83 466240 1216384 216 03:10:01 5331916 7345232 424672 5.22 76544 2100348 858604 9.35 628720 1879264 45000 Average: 6147928 7502768 310889 3.82 37076 1518864 615504 6.70 475609 1279778 5785 01:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 0.51 0.04 0.05 0.02 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 0.40 0.06 0.06 0.03 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.47 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 0.31 0.03 0.04 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 0.42 0.08 0.08 0.04 0.00 0.00 0.00 0.00 02:50:19 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:19 ens3 0.61 0.28 3.23 0.03 0.00 0.00 0.00 0.00 03:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:19 ens3 0.43 0.11 0.08 0.37 0.00 0.00 0.00 0.00 03:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 45.72 33.59 290.67 6.46 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.96 4.17 35.84 0.85 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-61908) 10/04/26 _x86_64_ (2 CPU) 01:41:22 LINUX RESTART (2 CPU) 01:50:19 CPU %user %nice %system %iowait %steal %idle 02:00:15 all 0.31 0.00 0.19 0.02 0.00 99.48 02:00:15 0 0.54 0.00 0.18 0.02 0.00 99.26 02:00:15 1 0.07 0.00 0.21 0.01 0.00 99.70 02:10:01 all 0.25 0.00 0.07 0.01 0.00 99.66 02:10:01 0 0.31 0.00 0.06 0.02 0.00 99.61 02:10:01 1 0.19 0.00 0.08 0.01 0.00 99.71 02:20:19 all 0.27 0.00 0.07 0.02 0.00 99.63 02:20:19 0 0.48 0.00 0.06 0.04 0.00 99.42 02:20:19 1 0.05 0.00 0.09 0.01 0.00 99.84 02:30:19 all 0.29 0.00 0.18 0.02 0.00 99.51 02:30:19 0 0.49 0.00 0.18 0.01 0.00 99.32 02:30:19 1 0.08 0.00 0.19 0.04 0.00 99.70 02:40:01 all 0.28 0.00 0.08 0.02 0.00 99.61 02:40:01 0 0.46 0.00 0.06 0.01 0.00 99.47 02:40:01 1 0.11 0.00 0.11 0.03 0.01 99.75 02:50:19 all 0.43 0.00 0.13 0.03 0.00 99.41 02:50:19 0 0.48 0.00 0.08 0.02 0.00 99.42 02:50:19 1 0.37 0.00 0.18 0.04 0.01 99.40 03:00:19 all 0.30 0.00 0.18 0.04 0.00 99.47 03:00:19 0 0.51 0.00 0.16 0.01 0.00 99.33 03:00:19 1 0.09 0.00 0.20 0.08 0.00 99.62 03:10:01 all 6.71 0.18 1.17 0.63 0.01 91.30 03:10:01 0 3.29 0.36 1.08 0.77 0.01 94.49 03:10:01 1 10.13 0.01 1.26 0.49 0.01 88.10 Average: all 1.08 0.02 0.26 0.10 0.00 98.53 Average: 0 0.81 0.04 0.23 0.11 0.00 98.81 Average: 1 1.36 0.00 0.29 0.09 0.00 98.26