---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38654 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 8.2G 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 784 4989 4 2462 7157 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:de:31:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.11/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82286sec preferred_lft 82286sec inet6 fe80::f816:3eff:fede:3111/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38654) 08/19/26 _x86_64_ (2 CPU) 01:04:23 LINUX RESTART (2 CPU) 01:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:04 1.39 0.01 1.37 0.01 0.07 16.52 18.55 01:30:04 1.49 0.00 1.46 0.03 0.00 17.52 234.20 01:40:04 15.54 0.71 1.55 13.27 94.28 75.65 109134.53 01:50:04 1.62 0.03 1.57 0.03 3.20 18.53 23.17 02:00:01 19.27 1.58 16.73 0.95 113.91 2225.74 533.01 02:10:04 12.11 1.24 9.49 1.38 109.14 1536.66 552.78 Average: 8.56 0.60 5.35 2.61 53.43 647.75 18416.11 01:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:04 6297876 7545008 276256 3.40 31040 1421844 530940 5.78 444332 1184192 180 01:30:04 6288468 7536136 285136 3.51 31228 1422172 530940 5.78 444488 1184708 196 01:40:04 6243656 7520852 299588 3.68 31704 1450816 726332 7.91 461540 1203484 324 01:50:04 6262844 7541556 278956 3.43 31928 1452100 531148 5.79 456300 1204116 184 02:00:01 5414316 7358792 421776 5.19 71624 2044044 670124 7.30 632584 1819344 44936 02:10:04 5020032 7321928 426040 5.24 86896 2372004 701068 7.64 661600 2133756 540 Average: 5921199 7470712 331292 4.07 47403 1693830 615092 6.70 516807 1454933 7727 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 0.83 0.11 0.15 0.07 0.00 0.00 0.00 0.00 01:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:04 ens3 0.78 0.08 12.87 0.05 0.00 0.00 0.00 0.00 01:40:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.92 0.54 3.33 0.07 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 0.32 0.09 0.09 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:01 ens3 36.84 24.68 282.88 6.44 0.00 0.00 0.00 0.00 02:10:04 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:04 ens3 53.52 44.89 142.46 10.15 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 15.55 11.75 73.49 2.81 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38654) 08/19/26 _x86_64_ (2 CPU) 01:04:23 LINUX RESTART (2 CPU) 01:10:04 CPU %user %nice %system %iowait %steal %idle 01:20:04 all 0.28 0.00 0.08 0.02 0.02 99.61 01:20:04 0 0.12 0.00 0.10 0.02 0.02 99.74 01:20:04 1 0.43 0.00 0.06 0.02 0.02 99.47 01:30:04 all 0.27 0.00 0.17 0.01 0.02 99.53 01:30:04 0 0.09 0.00 0.18 0.01 0.03 99.70 01:30:04 1 0.46 0.00 0.16 0.01 0.02 99.36 01:40:04 all 0.38 0.00 0.13 0.05 0.02 99.42 01:40:04 0 0.26 0.00 0.18 0.09 0.02 99.45 01:40:04 1 0.50 0.00 0.07 0.01 0.02 99.40 01:50:04 all 0.29 0.00 0.08 0.01 0.02 99.59 01:50:04 0 0.31 0.00 0.09 0.01 0.02 99.58 01:50:04 1 0.27 0.00 0.08 0.02 0.02 99.61 02:00:01 all 6.46 0.00 1.08 0.37 0.03 92.05 02:00:01 0 6.96 0.00 1.23 0.54 0.03 91.24 02:00:01 1 5.96 0.00 0.93 0.21 0.04 92.86 02:10:04 all 12.15 0.00 1.19 0.18 0.06 86.42 02:10:04 0 6.28 0.00 1.13 0.21 0.05 92.33 02:10:04 1 18.03 0.00 1.25 0.15 0.07 80.49 Average: all 3.31 0.00 0.45 0.11 0.03 96.10 Average: 0 2.34 0.00 0.48 0.14 0.03 97.01 Average: 1 4.28 0.00 0.43 0.07 0.03 95.19