---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2412 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 21% / 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 760 5189 4 2281 7181 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:8d:47:0e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.24/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78743sec preferred_lft 78743sec inet6 fe80::f816:3eff:fe8d:470e/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2412) 04/13/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:19 1.57 0.03 1.53 0.01 1.24 18.52 653.91 02:10:18 1.30 0.01 1.29 0.01 0.05 15.42 0.61 02:20:19 1.85 0.32 1.51 0.03 38.99 72.28 1.40 02:30:19 1.46 0.01 1.44 0.01 1.05 17.60 435.64 02:40:08 1.26 0.00 1.26 0.00 0.00 14.98 0.00 02:50:02 1.57 0.36 1.21 0.00 14.18 33.95 0.00 03:00:18 21.45 2.60 16.67 2.18 208.57 3043.58 748.25 03:10:19 1.34 0.00 1.34 0.00 0.00 21.95 0.08 03:20:02 1.59 0.02 1.57 0.01 0.62 21.57 0.07 03:30:19 14.86 0.00 1.73 13.13 0.14 139.24 104094.30 03:40:18 1.37 0.01 1.34 0.03 0.20 66.46 4.60 03:50:19 1.42 0.00 1.39 0.03 0.00 22.43 3.57 Average: 4.33 0.28 2.72 1.32 22.55 297.87 9077.05 01:50:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:19 6295796 7542556 277940 3.42 30544 1421884 521056 5.68 444280 1183176 124 02:10:18 6295796 7543112 277388 3.41 30764 1422216 521300 5.68 444464 1183728 124 02:20:19 6255328 7531480 288340 3.55 31168 1450272 719928 7.84 461352 1201124 124 02:30:19 6251044 7528064 291820 3.59 31368 1450916 521328 5.68 456004 1201656 128 02:40:08 6274980 7552504 267400 3.29 31532 1451252 521328 5.68 457344 1202156 164 02:50:02 6255684 7543952 275804 3.39 31736 1461676 531656 5.79 471536 1211380 200 03:00:18 5214804 7326112 445568 5.48 85088 2190348 669484 7.29 647112 1949124 208 03:10:19 5259620 7373028 398684 4.90 85232 2192316 628452 6.85 597672 1951228 152 03:20:02 5262524 7377276 394252 4.85 85392 2193504 703156 7.66 622356 1952452 308 03:30:19 5166876 7318972 452468 5.56 85560 2230540 638656 6.96 606248 1989640 636 03:40:18 5101332 7268564 502700 6.18 85724 2245328 719132 7.83 687076 2004448 164 03:50:19 5142912 7312080 459164 5.65 85896 2247056 685788 7.47 653560 2006356 192 Average: 5731391 7434808 360961 4.44 58334 1829776 615105 6.70 545750 1586372 210 01:50:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 1.24 0.09 0.15 0.04 0.00 0.00 0.00 0.00 02:10:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:18 ens3 0.48 0.05 0.08 0.03 0.00 0.00 0.00 0.00 02:20:19 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.47 0.20 3.07 0.03 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 0.22 0.03 0.04 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 0.43 0.08 0.12 0.06 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 7.77 3.47 12.55 1.89 0.00 0.00 0.00 0.00 03:00:18 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 03:00:18 ens3 70.05 49.00 415.40 10.54 0.00 0.00 0.00 0.00 03:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:19 ens3 15.62 13.99 140.20 1.21 0.00 0.00 0.00 0.00 03:20:02 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 3.62 2.97 5.25 0.50 0.00 0.00 0.00 0.00 03:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:19 ens3 16.93 15.38 180.55 1.69 0.00 0.00 0.00 0.00 03:40:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:18 ens3 12.83 11.94 120.88 1.51 0.00 0.00 0.00 0.00 03:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:19 ens3 13.73 12.81 139.88 1.12 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 12.14 9.31 86.22 1.58 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-2412) 04/13/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:19 CPU %user %nice %system %iowait %steal %idle 02:00:19 all 0.26 0.00 0.17 0.01 0.03 99.53 02:00:19 0 0.41 0.00 0.15 0.01 0.03 99.40 02:00:19 1 0.10 0.00 0.20 0.01 0.04 99.65 02:10:18 all 0.27 0.00 0.07 0.01 0.03 99.61 02:10:18 0 0.50 0.00 0.06 0.01 0.03 99.41 02:10:18 1 0.05 0.00 0.09 0.01 0.04 99.81 02:20:19 all 0.34 0.00 0.11 0.02 0.03 99.49 02:20:19 0 0.50 0.00 0.10 0.01 0.03 99.37 02:20:19 1 0.19 0.00 0.13 0.04 0.04 99.61 02:30:19 all 0.28 0.00 0.16 0.51 0.03 99.03 02:30:19 0 0.29 0.00 0.16 0.01 0.03 99.50 02:30:19 1 0.26 0.00 0.16 1.00 0.03 98.55 02:40:08 all 0.29 0.00 0.07 0.01 0.03 99.60 02:40:08 0 0.36 0.00 0.06 0.01 0.03 99.55 02:40:08 1 0.21 0.00 0.09 0.01 0.04 99.65 02:50:02 all 0.44 0.00 0.09 0.01 0.03 99.44 02:50:02 0 0.64 0.00 0.07 0.02 0.02 99.25 02:50:02 1 0.23 0.00 0.11 0.00 0.03 99.63 03:00:18 all 10.87 0.00 1.81 0.48 0.07 86.77 03:00:18 0 10.97 0.00 1.97 0.56 0.07 86.43 03:00:18 1 10.77 0.00 1.66 0.40 0.07 87.11 03:10:19 all 0.87 0.00 0.22 0.01 0.07 98.83 03:10:19 0 0.63 0.00 0.18 0.01 0.06 99.12 03:10:19 1 1.12 0.00 0.25 0.01 0.07 98.55 03:20:02 all 6.88 0.00 0.67 0.01 0.08 92.36 03:20:02 0 8.24 0.00 0.76 0.01 0.08 90.92 03:20:02 1 5.54 0.00 0.58 0.02 0.08 93.78 03:30:19 all 2.39 0.00 0.43 0.03 0.06 97.09 03:30:19 0 3.04 0.00 0.49 0.05 0.06 96.36 03:30:19 1 1.75 0.00 0.37 0.01 0.06 97.81 03:40:18 all 2.78 0.00 0.49 0.01 0.07 96.66 03:40:18 0 2.63 0.00 0.44 0.01 0.07 96.85 03:40:18 1 2.92 0.00 0.53 0.00 0.07 96.47 03:40:18 CPU %user %nice %system %iowait %steal %idle 03:50:19 all 0.84 0.00 0.22 0.01 0.07 98.86 03:50:19 0 0.74 0.00 0.26 0.01 0.07 98.92 03:50:19 1 0.94 0.00 0.19 0.00 0.06 98.81 Average: all 2.21 0.00 0.38 0.09 0.05 97.27 Average: 0 2.40 0.00 0.39 0.06 0.05 97.10 Average: 1 2.01 0.00 0.36 0.13 0.05 97.44