---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3348 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 nrip_save 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 764 5193 4 2277 7177 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:da:6e:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.92/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82129sec preferred_lft 82129sec inet6 fe80::f816:3eff:feda:6e49/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3348) 08/08/26 _x86_64_ (2 CPU) 01:45:06 LINUX RESTART (2 CPU) 01:50:22 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 1.38 0.03 1.33 0.02 1.34 17.81 223.65 02:10:12 1.29 0.02 1.26 0.00 2.11 15.73 2.30 02:20:12 1.15 0.00 1.14 0.00 0.01 14.28 2.31 02:30:01 2.26 0.72 1.51 0.02 95.89 76.35 485.40 02:40:02 1.18 0.00 1.17 0.01 1.05 15.07 0.11 02:50:27 16.00 1.51 13.53 0.96 108.67 2251.83 189.42 Average: 3.97 0.39 3.40 0.18 35.25 413.15 148.86 01:50:22 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 6289012 7535652 285652 3.51 31016 1421352 521944 5.69 444772 1183820 12 02:10:12 6274776 7522572 298704 3.67 31180 1422376 520116 5.67 444908 1184416 200 02:20:12 6296016 7544348 276948 3.41 31356 1422704 520112 5.67 444892 1184948 212 02:30:01 6247264 7524824 295744 3.64 31780 1451092 713896 7.78 461712 1203448 172 02:40:02 6259380 7537892 282672 3.48 31952 1451864 520892 5.67 457528 1203952 232 02:50:27 5500416 7441824 338540 4.16 71748 2040536 582404 6.34 550076 1816156 3460 Average: 6144477 7517852 296377 3.64 38172 1534987 563227 6.13 467315 1296123 715 01:50:22 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.06 0.09 0.15 0.06 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 1.09 0.05 7.49 0.02 0.00 0.00 0.00 0.00 02:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:12 ens3 0.30 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.81 0.27 4.22 0.05 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 6.25 3.90 4.14 3.45 0.00 0.00 0.00 0.00 02:50:27 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:50:27 ens3 39.30 23.78 267.87 9.70 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.39 4.85 49.11 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3348) 08/08/26 _x86_64_ (2 CPU) 01:45:06 LINUX RESTART (2 CPU) 01:50:22 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.29 0.00 0.16 0.01 0.03 99.51 02:00:01 0 0.47 0.00 0.13 0.00 0.02 99.38 02:00:01 1 0.11 0.00 0.19 0.02 0.04 99.65 02:10:12 all 0.29 0.00 0.08 0.01 0.03 99.59 02:10:12 0 0.52 0.00 0.06 0.01 0.02 99.39 02:10:12 1 0.07 0.00 0.09 0.01 0.05 99.79 02:20:12 all 0.22 0.00 0.08 0.10 0.03 99.58 02:20:12 0 0.38 0.00 0.07 0.00 0.02 99.53 02:20:12 1 0.06 0.00 0.08 0.20 0.03 99.63 02:30:01 all 0.39 0.00 0.21 0.04 0.03 99.33 02:30:01 0 0.48 0.00 0.17 0.01 0.02 99.33 02:30:01 1 0.30 0.00 0.25 0.08 0.03 99.34 02:40:02 all 0.44 0.00 0.10 0.01 0.03 99.42 02:40:02 0 0.56 0.00 0.09 0.01 0.02 99.32 02:40:02 1 0.32 0.00 0.12 0.01 0.04 99.51 02:50:27 all 6.27 0.00 1.01 0.55 0.04 92.13 02:50:27 0 6.87 0.00 1.03 0.69 0.04 91.37 02:50:27 1 5.66 0.00 0.99 0.40 0.05 92.90 Average: all 1.35 0.00 0.28 0.12 0.03 98.21 Average: 0 1.59 0.00 0.26 0.12 0.02 98.00 Average: 1 1.12 0.00 0.29 0.12 0.04 98.43