---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38259 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 749 5154 4 2338 7192 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:99:8b:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80964sec preferred_lft 80964sec inet6 fe80::f816:3eff:fe99:8be1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38259) 08/17/26 _x86_64_ (2 CPU) 01:04:01 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:20 1.37 0.01 1.36 0.00 0.06 16.48 4.47 01:30:00 1.66 0.00 1.62 0.03 0.00 19.52 244.81 01:40:01 2.31 0.71 1.57 0.03 94.97 75.87 79.12 01:50:20 1.39 0.00 1.37 0.02 0.00 16.27 20.13 02:00:00 16.12 1.64 13.48 1.00 118.73 2324.43 255.34 02:10:01 12.70 1.24 10.04 1.42 108.93 1274.14 593.85 02:20:00 15.45 0.00 1.27 14.18 0.15 15.54 106712.80 02:30:00 1.44 0.00 1.43 0.02 0.00 18.07 0.23 Average: 6.49 0.44 3.97 2.08 39.93 460.96 13451.79 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:20 6290004 7536808 284216 3.49 31012 1421536 538872 5.87 450416 1184192 180 01:30:00 6277172 7524496 296552 3.65 31228 1421828 539016 5.87 450764 1184700 124 01:40:01 6230920 7508004 312324 3.84 31704 1450708 539176 5.87 461988 1203428 128 01:50:20 6230920 7508584 311728 3.83 31916 1451076 539176 5.87 462028 1204000 152 02:00:00 5449380 7393008 387424 4.76 71660 2043200 645836 7.03 596628 1819020 47460 02:10:01 5205596 7416572 350660 4.31 86884 2283976 634356 6.91 588944 2046244 284 02:20:00 5204088 7415604 351596 4.32 87024 2284372 634588 6.91 589264 2046752 168 02:30:00 5186216 7398236 368944 4.54 87196 2284716 634588 6.91 589344 2047268 140 Average: 5759287 7462664 332930 4.09 57328 1830176 588201 6.41 523672 1591950 6080 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:20 ens3 0.85 0.12 0.17 0.08 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.81 0.07 2.16 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.87 0.47 3.76 0.59 0.00 0.00 0.00 0.00 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 0.21 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:00 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:00:00 ens3 39.67 25.09 290.88 6.05 0.00 0.00 0.00 0.00 02:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 31.12 21.83 39.97 5.53 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 1.46 0.29 0.15 0.05 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 0.32 0.16 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.26 5.91 40.96 1.53 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-38259) 08/17/26 _x86_64_ (2 CPU) 01:04:01 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:20 all 0.24 0.00 0.07 0.01 0.03 99.65 01:20:20 0 0.10 0.00 0.07 0.00 0.03 99.80 01:20:20 1 0.38 0.00 0.08 0.02 0.02 99.51 01:30:00 all 0.26 0.00 0.16 0.01 0.03 99.54 01:30:00 0 0.08 0.00 0.15 0.00 0.03 99.73 01:30:00 1 0.44 0.00 0.16 0.02 0.03 99.35 01:40:01 all 0.33 0.00 0.10 0.03 0.03 99.51 01:40:01 0 0.24 0.00 0.13 0.02 0.03 99.57 01:40:01 1 0.43 0.00 0.08 0.03 0.02 99.44 01:50:20 all 0.20 0.00 0.05 0.01 0.03 99.71 01:50:20 0 0.37 0.00 0.04 0.01 0.01 99.56 01:50:20 1 0.03 0.00 0.07 0.01 0.04 99.85 02:00:00 all 6.33 0.00 1.04 0.32 0.04 92.27 02:00:00 0 5.08 0.00 0.85 0.27 0.03 93.76 02:00:00 1 7.57 0.00 1.22 0.37 0.05 90.79 02:10:01 all 5.87 0.00 0.95 0.18 0.07 92.93 02:10:01 0 5.35 0.00 0.86 0.22 0.04 93.52 02:10:01 1 6.39 0.00 1.04 0.13 0.09 92.35 02:20:00 all 0.36 0.00 0.15 0.04 0.05 99.40 02:20:00 0 0.30 0.00 0.21 0.08 0.08 99.33 02:20:00 1 0.42 0.00 0.09 0.00 0.03 99.46 02:30:00 all 0.38 0.00 0.24 0.01 0.06 99.31 02:30:00 0 0.32 0.00 0.28 0.01 0.07 99.32 02:30:00 1 0.44 0.00 0.21 0.00 0.04 99.31 Average: all 1.72 0.00 0.34 0.07 0.04 97.82 Average: 0 1.46 0.00 0.32 0.08 0.04 98.10 Average: 1 1.98 0.00 0.36 0.07 0.04 97.55