---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34151 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: 5599.94 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 758 5023 4 2460 7182 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:88:fc:95 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.193/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82042sec preferred_lft 82042sec inet6 fe80::f816:3eff:fe88:fc95/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34151) 08/11/26 _x86_64_ (2 CPU) 01:55:22 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:09 1.36 0.02 1.33 0.00 1.23 16.35 2.28 02:20:09 2.34 0.72 1.60 0.03 95.17 76.10 74.68 02:30:01 1.52 0.00 1.49 0.03 0.00 17.87 23.64 02:40:08 1.28 0.00 1.26 0.02 0.00 15.24 20.61 02:50:10 14.62 0.00 1.38 13.24 0.15 16.64 108786.59 03:00:01 18.85 1.60 16.30 0.95 114.66 2229.46 296.65 Average: 6.63 0.39 3.86 2.38 34.94 390.02 18247.59 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:09 6293380 7540624 280364 3.45 30964 1422240 520968 5.67 437780 1184080 132 02:20:09 6245732 7522652 297612 3.66 31464 1451020 520976 5.67 449028 1202732 132 02:30:01 6242832 7520324 299900 3.69 31668 1451352 521040 5.68 449004 1203268 124 02:40:08 6250416 7528436 291788 3.59 31868 1451676 523168 5.70 452220 1203792 136 02:50:10 6258004 7536752 283380 3.48 32080 1452184 521764 5.68 451204 1204344 188 03:00:01 5438104 7376480 403880 4.97 71860 2038064 630292 6.87 600360 1813792 45136 Average: 6121411 7504211 309487 3.81 38317 1544423 539701 5.88 473266 1302001 7641 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:09 ens3 0.75 0.06 0.10 0.04 0.00 0.00 0.00 0.00 02:20:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:20:09 ens3 1.12 0.53 4.06 0.08 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.64 0.04 1.05 0.01 0.00 0.00 0.00 0.00 02:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 6.21 3.79 4.10 3.46 0.00 0.00 0.00 0.00 02:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.60 0.14 0.19 0.11 0.00 0.00 0.00 0.00 03:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:01 ens3 40.48 25.71 282.03 10.06 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 8.22 4.99 47.92 2.28 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34151) 08/11/26 _x86_64_ (2 CPU) 01:55:22 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:09 all 0.29 0.00 0.07 0.01 0.02 99.60 02:10:09 0 0.48 0.00 0.05 0.00 0.01 99.45 02:10:09 1 0.10 0.00 0.10 0.02 0.03 99.76 02:20:09 all 0.41 0.00 0.13 0.03 0.03 99.40 02:20:09 0 0.41 0.00 0.15 0.03 0.03 99.39 02:20:09 1 0.42 0.00 0.12 0.03 0.03 99.41 02:30:01 all 0.30 0.00 0.19 0.02 0.02 99.47 02:30:01 0 0.28 0.00 0.19 0.01 0.03 99.48 02:30:01 1 0.33 0.00 0.18 0.02 0.02 99.45 02:40:08 all 0.40 0.00 0.10 0.15 0.02 99.33 02:40:08 0 0.39 0.00 0.10 0.00 0.02 99.49 02:40:08 1 0.41 0.00 0.11 0.29 0.02 99.16 02:50:10 all 0.25 0.00 0.10 0.04 0.04 99.56 02:50:10 0 0.44 0.00 0.09 0.05 0.01 99.39 02:50:10 1 0.06 0.00 0.10 0.03 0.07 99.73 03:00:01 all 6.61 0.00 1.10 0.36 0.04 91.89 03:00:01 0 2.71 0.00 0.89 0.18 0.04 96.18 03:00:01 1 10.50 0.00 1.32 0.54 0.04 87.61 Average: all 1.36 0.00 0.28 0.10 0.03 98.23 Average: 0 0.78 0.00 0.24 0.05 0.02 98.91 Average: 1 1.95 0.00 0.32 0.15 0.03 97.55