---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-45985 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 7.9G 30G 21% / 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 750 5212 4 2273 7191 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:4d:fb:30 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80553sec preferred_lft 80553sec inet6 fe80::f816:3eff:fe4d:fb30/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-45985) 08/30/26 _x86_64_ (2 CPU) 01:10:55 LINUX RESTART (2 CPU) 01:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:30:07 1.38 0.01 1.35 0.03 0.05 16.74 0.99 01:40:37 1.18 0.00 1.17 0.02 0.00 14.08 1.82 01:50:01 1.20 0.00 1.19 0.00 0.00 14.04 0.18 02:00:07 2.46 0.71 1.73 0.02 94.26 77.73 55.87 02:10:37 1.18 0.00 1.18 0.00 0.00 14.08 0.00 02:20:01 1.27 0.00 1.27 0.00 0.00 14.94 0.00 02:30:37 1.45 0.00 1.44 0.01 0.00 17.36 0.26 02:40:07 16.44 1.69 13.65 1.10 121.47 2477.18 232.24 Average: 3.23 0.29 2.80 0.14 26.30 315.08 35.01 01:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:30:07 6284604 7525836 294016 3.62 31044 1416764 532096 5.80 388452 1234004 168 01:40:37 6293992 7535764 284084 3.49 31256 1417092 532108 5.80 392308 1234544 124 01:50:01 6294856 7537132 282744 3.48 31428 1417416 532420 5.80 392864 1235040 164 02:00:07 6248544 7520808 298312 3.67 31868 1446544 532516 5.80 403888 1253852 180 02:10:37 6259168 7531928 287220 3.53 32028 1446876 532516 5.80 403908 1254344 128 02:20:01 6257220 7530476 288688 3.55 32196 1447200 532516 5.80 403956 1254836 280 02:30:37 6253704 7527488 291664 3.59 32388 1447524 532516 5.80 404028 1255352 128 02:40:07 5482444 7416744 360724 4.44 72380 2036224 593160 6.46 501872 1867288 14720 Average: 6171816 7515772 298432 3.67 36824 1509455 539981 5.88 411410 1323658 1986 01:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.92 0.13 9.53 0.12 0.00 0.00 0.00 0.00 01:40:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:37 ens3 0.56 0.11 0.13 0.08 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.84 0.32 0.20 0.88 0.00 0.00 0.00 0.00 02:00:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 0.84 0.33 3.32 0.07 0.00 0.00 0.00 0.00 02:10:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:37 ens3 0.36 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.45 0.09 0.11 0.06 0.00 0.00 0.00 0.00 02:30:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:37 ens3 0.58 0.11 0.15 0.09 0.00 0.00 0.00 0.00 02:40:07 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 02:40:07 ens3 43.00 29.62 296.77 14.02 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 5.67 3.65 36.90 1.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-45985) 08/30/26 _x86_64_ (2 CPU) 01:10:55 LINUX RESTART (2 CPU) 01:20:01 CPU %user %nice %system %iowait %steal %idle 01:30:07 all 0.36 0.00 0.16 0.01 0.00 99.46 01:30:07 0 0.24 0.00 0.19 0.01 0.00 99.56 01:30:07 1 0.47 0.00 0.14 0.02 0.00 99.37 01:40:37 all 0.27 0.00 0.09 0.01 0.00 99.63 01:40:37 0 0.08 0.00 0.11 0.00 0.00 99.80 01:40:37 1 0.45 0.00 0.06 0.02 0.00 99.46 01:50:01 all 0.29 0.00 0.07 0.01 0.00 99.62 01:50:01 0 0.41 0.00 0.06 0.00 0.00 99.53 01:50:01 1 0.17 0.00 0.08 0.02 0.01 99.72 02:00:07 all 0.40 0.00 0.20 0.04 0.00 99.36 02:00:07 0 0.55 0.00 0.17 0.04 0.00 99.25 02:00:07 1 0.26 0.00 0.23 0.04 0.00 99.47 02:10:37 all 0.24 0.00 0.07 0.01 0.00 99.67 02:10:37 0 0.43 0.00 0.05 0.00 0.00 99.52 02:10:37 1 0.04 0.00 0.10 0.02 0.00 99.83 02:20:01 all 0.24 0.00 0.07 0.01 0.00 99.67 02:20:01 0 0.44 0.00 0.04 0.00 0.00 99.51 02:20:01 1 0.03 0.00 0.10 0.02 0.01 99.84 02:30:37 all 0.27 0.00 0.15 0.01 0.00 99.56 02:30:37 0 0.48 0.00 0.12 0.01 0.00 99.40 02:30:37 1 0.07 0.00 0.18 0.02 0.00 99.72 02:40:07 all 6.56 0.00 1.18 0.51 0.01 91.75 02:40:07 0 5.47 0.00 1.12 0.39 0.01 93.01 02:40:07 1 7.66 0.00 1.23 0.62 0.01 90.48 Average: all 1.04 0.00 0.24 0.07 0.00 98.64 Average: 0 0.98 0.00 0.23 0.05 0.00 98.74 Average: 1 1.10 0.00 0.26 0.10 0.00 98.54