---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-58799 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 754 5187 4 2294 7187 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:cf:31:92 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.80/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80754sec preferred_lft 80754sec inet6 fe80::f816:3eff:fecf:3192/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58799) 09/26/26 _x86_64_ (2 CPU) 01:04:07 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:02 1.21 0.01 1.20 0.00 0.07 15.15 0.19 01:30:01 1.31 0.00 1.28 0.03 0.00 16.78 6.72 01:40:01 1.13 0.00 1.12 0.02 0.00 14.33 0.97 01:50:02 1.80 0.33 1.45 0.02 43.42 104.13 20.50 02:00:02 1.53 0.00 1.49 0.03 0.00 18.65 907.44 02:10:01 14.69 0.00 1.44 13.25 0.15 16.89 109179.47 02:20:02 1.44 0.00 1.44 0.00 0.00 16.69 0.00 02:30:02 1.64 0.00 1.62 0.02 0.00 19.92 852.73 Average: 3.09 0.04 1.38 1.67 5.46 27.84 13846.90 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:02 6300956 7547620 273116 3.36 30660 1422656 529020 5.76 443964 1184204 228 01:30:01 6298500 7545732 274944 3.38 30872 1422988 529084 5.76 444216 1184748 240 01:40:01 6298024 7545800 274852 3.38 31084 1423320 529256 5.76 444588 1185284 296 01:50:02 6227944 7515820 304004 3.74 31712 1462304 731220 7.96 462912 1214688 256 02:00:02 6225936 7514432 305324 3.75 31936 1462636 731284 7.97 462976 1215248 236 02:10:01 6225684 7514744 304960 3.75 32124 1463008 731284 7.97 463000 1215780 152 02:20:02 6223416 7512980 306716 3.77 32300 1463328 731284 7.97 463072 1216276 244 02:30:02 6230556 7520652 298980 3.68 32484 1463660 731284 7.97 463128 1216788 232 Average: 6253877 7527222 292862 3.60 31646 1447988 655464 7.14 455982 1204127 236 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.96 0.10 0.15 0.07 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 0.47 0.10 0.11 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 0.51 0.06 0.09 0.05 0.00 0.00 0.00 0.00 01:50:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.82 0.46 3.40 0.61 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 0.26 0.07 0.07 0.03 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 0.28 0.05 0.06 0.03 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.18 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.25 0.05 0.06 0.03 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 0.47 0.12 0.50 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-58799) 09/26/26 _x86_64_ (2 CPU) 01:04:07 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:02 all 0.28 0.00 0.09 0.01 0.00 99.61 01:20:02 0 0.42 0.00 0.07 0.01 0.00 99.51 01:20:02 1 0.15 0.00 0.11 0.02 0.01 99.71 01:30:01 all 0.31 0.00 0.18 0.01 0.01 99.50 01:30:01 0 0.33 0.00 0.17 0.01 0.01 99.48 01:30:01 1 0.28 0.00 0.19 0.02 0.00 99.52 01:40:01 all 0.25 0.00 0.07 0.01 0.00 99.66 01:40:01 0 0.05 0.00 0.08 0.02 0.00 99.85 01:40:01 1 0.45 0.00 0.06 0.00 0.00 99.48 01:50:02 all 0.41 0.00 0.12 0.03 0.00 99.44 01:50:02 0 0.30 0.00 0.14 0.04 0.00 99.52 01:50:02 1 0.53 0.00 0.09 0.02 0.00 99.36 02:00:02 all 0.27 0.00 0.16 0.02 0.00 99.55 02:00:02 0 0.15 0.00 0.15 0.03 0.00 99.67 02:00:02 1 0.39 0.00 0.17 0.00 0.00 99.43 02:10:01 all 0.24 0.00 0.07 0.04 0.00 99.65 02:10:01 0 0.45 0.00 0.07 0.06 0.00 99.42 02:10:01 1 0.04 0.00 0.07 0.02 0.00 99.87 02:20:02 all 0.23 0.00 0.06 0.03 0.00 99.68 02:20:02 0 0.34 0.00 0.05 0.00 0.00 99.60 02:20:02 1 0.11 0.00 0.07 0.05 0.00 99.76 02:30:02 all 0.29 0.00 0.18 0.02 0.00 99.51 02:30:02 0 0.07 0.00 0.22 0.04 0.00 99.68 02:30:02 1 0.51 0.00 0.15 0.00 0.00 99.34 Average: all 0.29 0.00 0.12 0.02 0.00 99.58 Average: 0 0.26 0.00 0.12 0.03 0.00 99.59 Average: 1 0.31 0.00 0.11 0.02 0.00 99.56