---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39217 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 8.1G 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 807 5016 4 2419 7134 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:ac:e5:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.10/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81882sec preferred_lft 81882sec inet6 fe80::f816:3eff:feac:e598/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39217) 08/21/26 _x86_64_ (2 CPU) 00:40:48 LINUX RESTART (2 CPU) 00:50:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 46.55 17.42 26.64 2.48 477.29 3684.94 1365.52 01:10:18 1.33 0.00 1.31 0.02 0.00 22.42 1.92 01:20:18 1.37 0.00 1.37 0.00 0.01 20.65 0.20 01:30:18 1.64 0.00 1.62 0.02 0.00 140.04 401.27 01:40:18 1.40 0.00 1.40 0.00 0.00 29.91 0.05 01:50:05 1.26 0.00 1.25 0.01 0.00 21.08 0.14 Average: 8.80 2.85 5.53 0.42 78.18 642.72 291.16 00:50:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 5103388 7367692 390244 4.80 89300 2326748 864312 9.41 619940 2092304 212 01:10:18 5051200 7317596 440472 5.42 89444 2328780 874636 9.53 622268 2094480 132 01:20:18 5046772 7314880 443180 5.45 89612 2330324 898556 9.79 646356 2096192 172 01:30:18 5014072 7318784 438980 5.40 89764 2366620 902056 9.83 649632 2132512 132 01:40:18 5000368 7309688 448064 5.51 89916 2371016 888400 9.68 635744 2137060 368 01:50:05 4967332 7278492 479228 5.89 90024 2372724 920816 10.03 668292 2138876 188 Average: 5030522 7317855 440028 5.41 89677 2349369 891463 9.71 640372 2115237 201 00:50:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.33 1.33 0.08 0.08 0.00 0.00 0.00 0.00 01:00:05 ens3 73.32 50.69 331.54 11.95 0.00 0.00 0.00 0.00 01:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:18 ens3 21.78 19.00 246.73 2.46 0.00 0.00 0.00 0.00 01:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:18 ens3 7.20 6.00 33.43 0.83 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 14.52 13.61 157.06 1.54 0.00 0.00 0.00 0.00 01:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:18 ens3 15.75 15.03 141.81 1.65 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 12.56 11.50 143.05 1.19 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 24.05 19.22 175.42 3.24 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39217) 08/21/26 _x86_64_ (2 CPU) 00:40:48 LINUX RESTART (2 CPU) 00:50:18 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 12.64 0.20 2.08 1.95 0.06 83.08 01:00:05 0 18.56 0.04 2.42 1.07 0.06 77.86 01:00:05 1 6.71 0.35 1.74 2.82 0.06 88.31 01:10:18 all 0.97 0.00 0.29 0.34 0.07 98.33 01:10:18 0 1.06 0.00 0.31 0.61 0.06 97.96 01:10:18 1 0.87 0.00 0.27 0.08 0.08 98.70 01:20:18 all 1.49 0.00 0.37 0.04 0.06 98.04 01:20:18 0 2.20 0.00 0.53 0.02 0.06 97.19 01:20:18 1 0.83 0.00 0.22 0.05 0.06 98.84 01:30:18 all 2.12 0.00 0.54 0.03 0.07 97.24 01:30:18 0 0.78 0.00 0.27 0.01 0.04 98.90 01:30:18 1 3.56 0.00 0.82 0.05 0.10 95.47 01:40:18 all 1.58 0.00 0.32 0.56 0.06 97.47 01:40:18 0 0.65 0.00 0.20 0.16 0.05 98.94 01:40:18 1 2.52 0.00 0.45 0.97 0.08 95.99 01:50:05 all 0.83 0.00 0.24 0.92 0.05 97.95 01:50:05 0 1.04 0.00 0.31 0.19 0.05 98.40 01:50:05 1 0.63 0.00 0.17 1.64 0.05 97.51 Average: all 3.26 0.03 0.64 0.64 0.06 95.37 Average: 0 4.02 0.01 0.67 0.35 0.05 94.91 Average: 1 2.50 0.06 0.61 0.93 0.07 95.83