---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-7846 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 800 5092 4 2351 7141 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:f8:de:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80775sec preferred_lft 80775sec inet6 fe80::f816:3eff:fef8:de1d/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-7846) 09/13/26 _x86_64_ (2 CPU) 01:04:00 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:31 1.98 0.32 1.65 0.01 41.50 102.43 5.11 01:30:11 1.58 0.00 1.54 0.03 0.00 19.09 933.64 01:40:01 1.24 0.00 1.23 0.02 0.00 15.06 50.61 01:50:31 1.21 0.00 1.20 0.02 0.00 14.89 47.34 02:00:11 16.17 13.99 2.09 0.09 155.76 47.31 940.19 02:10:01 1.26 0.00 1.25 0.01 0.00 15.46 35.40 02:20:21 14.16 0.00 1.32 12.84 0.14 15.75 105434.46 02:30:31 1.29 0.00 1.27 0.02 0.00 16.59 0.37 Average: 4.83 1.72 1.44 1.67 24.14 31.12 13777.14 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:31 6220456 7507744 311688 3.83 31120 1462568 712944 7.77 464016 1212976 132 01:30:11 6212968 7500832 318536 3.92 31344 1462896 715404 7.79 464240 1213528 184 01:40:01 6212968 7501344 318008 3.91 31560 1463184 715420 7.79 464376 1214032 240 01:50:31 6212464 7501408 317972 3.91 31772 1463532 715944 7.80 465108 1214592 136 02:00:11 6146912 7493012 317172 3.90 35812 1508288 716076 7.80 465948 1262652 276 02:10:01 6146912 7493488 316692 3.89 36008 1508568 716076 7.80 465972 1263128 124 02:20:21 6146912 7494060 316056 3.89 36152 1508984 716076 7.80 465992 1263660 140 02:30:31 6160116 7507792 302296 3.72 36332 1509312 716076 7.80 466016 1264168 272 Average: 6182464 7499960 314802 3.87 33762 1485916 715502 7.79 465208 1238592 188 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:31 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:31 ens3 0.92 0.27 3.23 0.07 0.00 0.00 0.00 0.00 01:30:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:11 ens3 0.54 0.07 0.64 0.04 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 0.59 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:50:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:31 ens3 0.43 0.13 0.04 0.40 0.00 0.00 0.00 0.00 02:00:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:11 ens3 0.36 0.05 0.05 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 0.31 0.02 0.03 0.01 0.00 0.00 0.00 0.00 02:20:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:21 ens3 0.29 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:30:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:31 ens3 0.29 0.02 0.03 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 0.47 0.09 0.54 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-7846) 09/13/26 _x86_64_ (2 CPU) 01:04:00 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:31 all 0.44 0.00 0.15 0.03 0.01 99.37 01:20:31 0 0.31 0.00 0.16 0.02 0.01 99.49 01:20:31 1 0.57 0.00 0.14 0.03 0.01 99.26 01:30:11 all 0.33 0.00 0.20 0.01 0.01 99.45 01:30:11 0 0.49 0.00 0.19 0.01 0.00 99.31 01:30:11 1 0.16 0.00 0.21 0.02 0.01 99.60 01:40:01 all 0.27 0.00 0.10 0.01 0.01 99.61 01:40:01 0 0.46 0.00 0.08 0.00 0.01 99.45 01:40:01 1 0.08 0.00 0.12 0.02 0.02 99.76 01:50:31 all 0.27 0.00 0.09 0.01 0.01 99.62 01:50:31 0 0.34 0.00 0.09 0.00 0.01 99.55 01:50:31 1 0.19 0.00 0.09 0.02 0.01 99.69 02:00:11 all 0.28 0.16 0.24 0.18 0.01 99.13 02:00:11 0 0.45 0.31 0.27 0.36 0.01 98.61 02:00:11 1 0.11 0.01 0.21 0.01 0.01 99.66 02:10:01 all 0.26 0.00 0.07 0.01 0.01 99.65 02:10:01 0 0.42 0.00 0.05 0.02 0.00 99.50 02:10:01 1 0.10 0.00 0.09 0.00 0.01 99.79 02:20:21 all 0.26 0.00 0.09 0.04 0.01 99.60 02:20:21 0 0.46 0.00 0.05 0.02 0.00 99.47 02:20:21 1 0.06 0.00 0.13 0.07 0.01 99.74 02:30:31 all 0.24 0.00 0.18 0.01 0.01 99.56 02:30:31 0 0.24 0.00 0.17 0.01 0.01 99.57 02:30:31 1 0.23 0.00 0.19 0.02 0.02 99.55 Average: all 0.29 0.02 0.14 0.04 0.01 99.50 Average: 0 0.40 0.04 0.13 0.05 0.01 99.37 Average: 1 0.19 0.00 0.14 0.02 0.01 99.63