---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6984 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 8.0G 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 758 5189 4 2288 7183 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:6c:88:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80712sec preferred_lft 80712sec inet6 fe80::f816:3eff:fe6c:8895/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6984) 09/11/26 _x86_64_ (2 CPU) 01:05:05 LINUX RESTART (2 CPU) 01:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:04 1.35 0.01 1.34 0.00 0.07 16.36 0.21 01:30:04 2.11 0.33 1.75 0.04 43.49 107.98 2.57 01:40:04 1.32 0.00 1.31 0.01 0.00 15.51 25.08 01:50:04 1.32 0.00 1.32 0.00 0.00 15.45 0.00 02:00:04 1.62 0.00 1.60 0.01 0.00 19.33 639.83 02:10:04 1.29 0.00 1.29 0.00 0.00 14.92 0.00 02:20:04 1.32 0.00 1.32 0.00 0.00 15.29 0.00 02:30:04 14.76 0.00 1.53 13.23 0.15 18.72 109814.39 Average: 3.14 0.04 1.43 1.66 5.46 27.94 13810.26 01:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:04 6295968 7543548 276920 3.41 30608 1423628 529868 5.77 441124 1184008 228 01:30:04 6231912 7519444 300132 3.69 31252 1462440 723080 7.88 459092 1213376 224 01:40:04 6233988 7522048 297596 3.66 31440 1462768 723304 7.88 459360 1213900 176 01:50:04 6233484 7522024 297616 3.66 31592 1463088 723304 7.88 459568 1214372 192 02:00:04 6228824 7518040 301548 3.71 31796 1463540 723408 7.88 459880 1214900 172 02:10:04 6228824 7518548 301060 3.70 31960 1463876 723404 7.88 460052 1215400 220 02:20:04 6236888 7527100 292476 3.60 32120 1464200 723408 7.88 460072 1215880 216 02:30:04 6227864 7518640 300740 3.70 32288 1464576 723408 7.88 460100 1216400 208 Average: 6239719 7523674 296011 3.64 31632 1458514 699148 7.62 457406 1211030 204 01:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.79 0.09 0.12 0.05 0.00 0.00 0.00 0.00 01:30:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 1.11 0.31 10.42 0.06 0.00 0.00 0.00 0.00 01:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.43 0.11 0.11 0.06 0.00 0.00 0.00 0.00 01:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:04 ens3 0.40 0.07 0.08 0.04 0.00 0.00 0.00 0.00 02:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:04 ens3 0.37 0.16 0.06 0.67 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 0.20 0.04 0.03 0.06 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 0.24 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:04 ens3 0.18 0.02 0.02 0.01 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.46 0.10 1.36 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6984) 09/11/26 _x86_64_ (2 CPU) 01:05:05 LINUX RESTART (2 CPU) 01:10:04 CPU %user %nice %system %iowait %steal %idle 01:20:04 all 0.31 0.00 0.09 0.01 0.01 99.58 01:20:04 0 0.14 0.00 0.10 0.01 0.01 99.74 01:20:04 1 0.49 0.00 0.08 0.01 0.01 99.42 01:30:04 all 0.44 0.00 0.23 0.03 0.01 99.29 01:30:04 0 0.37 0.00 0.29 0.02 0.01 99.32 01:30:04 1 0.51 0.00 0.18 0.03 0.01 99.27 01:40:04 all 0.27 0.00 0.09 0.01 0.01 99.62 01:40:04 0 0.06 0.00 0.10 0.00 0.01 99.84 01:40:04 1 0.49 0.00 0.07 0.02 0.01 99.41 01:50:04 all 0.25 0.00 0.08 0.01 0.01 99.65 01:50:04 0 0.06 0.00 0.11 0.01 0.01 99.81 01:50:04 1 0.44 0.00 0.05 0.01 0.01 99.49 02:00:04 all 0.19 0.00 0.18 0.01 0.01 99.61 02:00:04 0 0.10 0.00 0.17 0.01 0.01 99.71 02:00:04 1 0.28 0.00 0.19 0.02 0.01 99.51 02:10:04 all 0.26 0.00 0.07 0.01 0.01 99.65 02:10:04 0 0.08 0.00 0.09 0.00 0.01 99.82 02:10:04 1 0.44 0.00 0.05 0.02 0.01 99.48 02:20:04 all 0.26 0.00 0.07 0.01 0.01 99.66 02:20:04 0 0.06 0.00 0.09 0.00 0.01 99.85 02:20:04 1 0.46 0.00 0.05 0.02 0.01 99.47 02:30:04 all 0.29 0.00 0.19 0.04 0.00 99.48 02:30:04 0 0.08 0.00 0.22 0.06 0.01 99.64 02:30:04 1 0.50 0.00 0.15 0.02 0.00 99.33 Average: all 0.28 0.00 0.12 0.02 0.01 99.57 Average: 0 0.12 0.00 0.15 0.01 0.01 99.71 Average: 1 0.45 0.00 0.10 0.02 0.01 99.42