---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8801 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 765 5178 4 2291 7176 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:3d:bd:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.198/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78883sec preferred_lft 78883sec inet6 fe80::f816:3eff:fe3d:bd5e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8801) 09/17/26 _x86_64_ (2 CPU) 01:03:28 LINUX RESTART (2 CPU) 01:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:14 1.83 0.33 1.49 0.01 42.85 103.75 10.03 01:30:40 1.24 0.00 1.22 0.02 0.00 15.89 456.59 01:40:40 1.05 0.00 1.04 0.02 0.00 13.75 44.84 01:50:24 1.10 0.00 1.08 0.02 0.00 14.21 46.05 02:00:40 1.36 0.00 1.33 0.03 0.00 17.40 666.92 02:10:14 15.13 0.00 1.31 13.82 0.15 16.20 113898.68 02:20:40 1.21 0.00 1.19 0.02 0.00 15.11 42.99 02:30:24 1.36 0.00 1.33 0.03 0.00 17.40 707.90 02:40:40 24.83 2.75 19.79 2.29 217.90 3495.46 1523.28 02:50:34 1.18 0.00 1.17 0.02 0.00 15.13 4.60 03:00:40 1.43 0.00 1.40 0.03 0.00 18.05 5.26 Average: 4.69 0.29 2.98 1.43 24.17 346.86 10179.27 01:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:14 6226432 7513004 306136 3.76 31140 1461772 718924 7.83 457928 1213228 172 01:30:40 6239612 7526828 292256 3.59 31372 1462136 718924 7.83 458084 1213836 200 01:40:40 6242576 7530308 288756 3.55 31572 1462460 718988 7.83 458420 1214348 172 01:50:24 6242328 7530680 288376 3.55 31756 1462868 719020 7.83 458472 1214836 176 02:00:40 6233516 7522484 296544 3.65 31980 1463244 719236 7.83 458684 1215424 172 02:10:14 6231904 7521396 297636 3.66 32156 1463584 719236 7.83 458760 1215912 132 02:20:40 6238792 7528864 290140 3.57 32364 1463944 719368 7.84 458912 1216480 172 02:30:24 6236724 7527316 291636 3.59 32564 1464236 719368 7.84 458932 1216972 192 02:40:40 5167796 7396632 368920 4.54 88068 2301372 832472 9.07 599764 2064244 200 02:50:34 5166388 7395812 369756 4.55 88176 2301852 832424 9.07 599948 2064704 160 03:00:40 5161544 7391480 373996 4.60 88340 2302200 832440 9.07 600060 2065216 124 Average: 5944328 7489528 314923 3.87 47226 1691788 750036 8.17 497088 1446836 170 01:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:14 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:14 ens3 1.05 0.27 3.34 0.07 0.00 0.00 0.00 0.00 01:30:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:40 ens3 0.59 0.10 0.95 0.06 0.00 0.00 0.00 0.00 01:40:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:40 ens3 0.55 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:50:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 0.19 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:00:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:40 ens3 0.31 0.20 0.06 0.46 0.00 0.00 0.00 0.00 02:10:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:14 ens3 0.19 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:20:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:40 ens3 0.17 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:24 ens3 0.28 0.04 0.07 0.03 0.00 0.00 0.00 0.00 02:40:40 lo 1.81 1.81 0.13 0.13 0.00 0.00 0.00 0.00 02:40:40 ens3 65.18 48.71 315.29 10.67 0.00 0.00 0.00 0.00 02:50:34 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:34 ens3 2.47 0.25 0.32 0.07 0.00 0.00 0.00 0.00 03:00:40 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:40 ens3 0.67 0.28 0.14 0.07 0.00 0.00 0.00 0.00 Average: lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 6.63 4.64 29.72 1.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8801) 09/17/26 _x86_64_ (2 CPU) 01:03:28 LINUX RESTART (2 CPU) 01:10:04 CPU %user %nice %system %iowait %steal %idle 01:20:14 all 0.41 0.00 0.13 0.03 0.01 99.41 01:20:14 0 0.36 0.00 0.11 0.02 0.00 99.51 01:20:14 1 0.46 0.00 0.16 0.05 0.01 99.32 01:30:40 all 0.31 0.00 0.17 0.02 0.01 99.49 01:30:40 0 0.40 0.00 0.16 0.01 0.00 99.43 01:30:40 1 0.23 0.00 0.18 0.04 0.01 99.55 01:40:40 all 0.26 0.00 0.08 0.02 0.00 99.64 01:40:40 0 0.38 0.00 0.07 0.00 0.00 99.54 01:40:40 1 0.14 0.00 0.10 0.03 0.00 99.73 01:50:24 all 0.23 0.00 0.08 0.01 0.00 99.68 01:50:24 0 0.41 0.00 0.06 0.00 0.00 99.53 01:50:24 1 0.05 0.00 0.10 0.02 0.00 99.83 02:00:40 all 0.28 0.00 0.17 0.02 0.00 99.53 02:00:40 0 0.48 0.00 0.14 0.00 0.00 99.37 02:00:40 1 0.07 0.00 0.20 0.03 0.00 99.70 02:10:14 all 0.26 0.00 0.08 0.05 0.00 99.61 02:10:14 0 0.47 0.00 0.06 0.06 0.00 99.40 02:10:14 1 0.05 0.00 0.10 0.03 0.00 99.81 02:20:40 all 0.25 0.00 0.07 0.02 0.00 99.66 02:20:40 0 0.45 0.00 0.04 0.01 0.00 99.50 02:20:40 1 0.05 0.00 0.11 0.02 0.00 99.81 02:30:24 all 0.27 0.00 0.18 0.01 0.00 99.54 02:30:24 0 0.47 0.00 0.16 0.01 0.00 99.37 02:30:24 1 0.06 0.00 0.21 0.02 0.00 99.70 02:40:40 all 11.83 0.00 1.96 1.83 0.02 84.36 02:40:40 0 17.42 0.00 2.26 2.31 0.02 78.00 02:40:40 1 6.27 0.00 1.66 1.35 0.02 90.69 02:50:34 all 0.39 0.00 0.16 0.02 0.01 99.41 02:50:34 0 0.27 0.00 0.22 0.03 0.01 99.48 02:50:34 1 0.52 0.00 0.11 0.02 0.01 99.35 03:00:40 all 0.41 0.00 0.24 0.01 0.01 99.33 03:00:40 0 0.24 0.00 0.32 0.03 0.01 99.40 03:00:40 1 0.57 0.00 0.17 0.00 0.01 99.25 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.38 0.00 0.31 0.19 0.01 98.12 Average: 0 1.97 0.00 0.33 0.23 0.01 97.46 Average: 1 0.78 0.00 0.28 0.15 0.01 98.78