---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10071 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 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 815 5131 4 2284 7126 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:08:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78830sec preferred_lft 78830sec inet6 fe80::f816:3eff:feac:8df/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-10071) 05/01/26 _x86_64_ (2 CPU) 04:38:32 LINUX RESTART (2 CPU) 04:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:16 1.41 0.02 1.37 0.01 1.21 16.89 0.59 05:00:09 1.44 0.01 1.40 0.03 0.05 18.22 662.58 05:10:01 1.10 0.00 1.08 0.02 0.00 13.61 1.22 05:20:17 1.69 0.25 1.41 0.03 30.19 71.52 1.30 05:30:17 1.50 0.01 1.46 0.04 1.05 18.97 654.91 05:40:01 1.66 0.41 1.23 0.02 16.20 83.37 1.19 05:50:18 21.16 2.55 16.44 2.18 206.56 3024.40 588.39 06:00:18 1.47 0.00 1.45 0.02 0.00 24.72 0.33 06:10:19 1.65 0.00 1.64 0.01 0.00 132.97 0.45 06:20:19 14.87 0.00 1.42 13.45 0.15 31.14 106958.15 06:30:19 1.48 0.02 1.45 0.02 0.29 66.77 0.31 06:40:19 1.30 0.00 1.29 0.01 0.00 22.51 0.13 Average: 4.27 0.28 2.67 1.32 21.77 300.06 9056.25 04:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:16 6283600 7529564 290788 3.58 30508 1421364 520840 5.67 445312 1183184 132 05:00:09 6280472 7526996 293392 3.61 30728 1421700 520900 5.67 445848 1183740 132 05:10:01 6279076 7526096 294280 3.62 30912 1422020 521052 5.68 445812 1184232 156 05:20:17 6244208 7517896 302024 3.71 31296 1447948 715412 7.79 460148 1201792 172 05:30:17 6249704 7524272 295580 3.63 31500 1448592 521200 5.68 455360 1202328 132 05:40:01 6192772 7493000 326436 4.01 31864 1473540 560240 6.10 500072 1225996 564 05:50:18 5109124 7226564 544932 6.70 85084 2196548 696556 7.59 669092 1958168 176 06:00:18 5225792 7345332 426176 5.24 85224 2198496 655504 7.14 620116 1960272 196 06:10:19 5162052 7316664 454756 5.59 85404 2233380 697788 7.60 661880 1995316 956 06:20:19 5184480 7342492 428796 5.27 85552 2236568 663960 7.23 627988 1998644 124 06:30:19 5129772 7302936 468108 5.76 85700 2251372 686748 7.48 650948 2013468 196 06:40:19 5103892 7279148 491876 6.05 85820 2253316 711000 7.74 675140 2015532 200 Average: 5703745 7410913 384762 4.73 58299 1833737 622600 6.78 554810 1593556 261 04:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:50:16 ens3 1.58 0.08 0.22 0.05 0.00 0.00 0.00 0.00 05:00:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:00:09 ens3 0.61 0.10 0.16 0.09 0.00 0.00 0.00 0.00 05:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:10:01 ens3 0.52 0.03 3.32 0.01 0.00 0.00 0.00 0.00 05:20:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:20:17 ens3 0.42 0.22 3.06 0.05 0.00 0.00 0.00 0.00 05:30:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:17 ens3 0.33 0.18 0.08 0.52 0.00 0.00 0.00 0.00 05:40:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 05:40:01 ens3 10.94 6.73 39.83 2.82 0.00 0.00 0.00 0.00 05:50:18 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 05:50:18 ens3 63.01 49.75 392.65 9.63 0.00 0.00 0.00 0.00 06:00:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:18 ens3 13.82 13.07 140.21 1.17 0.00 0.00 0.00 0.00 06:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:19 ens3 6.23 4.80 41.81 0.66 0.00 0.00 0.00 0.00 06:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:19 ens3 14.41 13.28 148.78 1.49 0.00 0.00 0.00 0.00 06:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:30:19 ens3 12.57 12.04 120.74 1.52 0.00 0.00 0.00 0.00 06:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:40:19 ens3 15.33 13.79 140.27 1.24 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 11.75 9.59 86.56 1.62 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10071) 05/01/26 _x86_64_ (2 CPU) 04:38:32 LINUX RESTART (2 CPU) 04:40:01 CPU %user %nice %system %iowait %steal %idle 04:50:16 all 0.31 0.00 0.09 0.01 0.04 99.56 04:50:16 0 0.33 0.00 0.08 0.01 0.03 99.56 04:50:16 1 0.29 0.00 0.10 0.01 0.04 99.56 05:00:09 all 0.28 0.00 0.17 0.01 0.04 99.51 05:00:09 0 0.19 0.00 0.18 0.01 0.04 99.58 05:00:09 1 0.36 0.00 0.15 0.01 0.03 99.44 05:10:01 all 0.22 0.00 0.06 0.01 0.04 99.67 05:10:01 0 0.41 0.00 0.06 0.01 0.03 99.49 05:10:01 1 0.04 0.00 0.07 0.01 0.04 99.85 05:20:17 all 0.38 0.00 0.09 0.02 0.04 99.47 05:20:17 0 0.57 0.00 0.09 0.02 0.03 99.29 05:20:17 1 0.20 0.00 0.09 0.02 0.05 99.64 05:30:17 all 0.28 0.00 0.15 0.01 0.04 99.52 05:30:17 0 0.22 0.00 0.16 0.01 0.04 99.58 05:30:17 1 0.35 0.00 0.15 0.01 0.04 99.46 05:40:01 all 0.55 0.00 0.12 0.02 0.04 99.27 05:40:01 0 0.72 0.00 0.11 0.01 0.03 99.13 05:40:01 1 0.38 0.00 0.13 0.03 0.05 99.42 05:50:18 all 10.33 0.00 1.64 0.51 0.07 87.44 05:50:18 0 10.42 0.00 1.67 0.54 0.08 87.29 05:50:18 1 10.24 0.00 1.62 0.49 0.07 87.58 06:00:18 all 0.85 0.00 0.31 0.01 0.08 98.75 06:00:18 0 0.87 0.00 0.27 0.01 0.08 98.77 06:00:18 1 0.83 0.00 0.35 0.01 0.08 98.73 06:10:19 all 6.74 0.00 0.58 0.01 0.07 92.60 06:10:19 0 3.84 0.00 0.36 0.01 0.07 95.72 06:10:19 1 9.73 0.00 0.79 0.02 0.07 89.39 06:20:19 all 1.36 0.00 0.25 0.03 0.07 98.29 06:20:19 0 1.11 0.00 0.17 0.05 0.04 98.62 06:20:19 1 1.61 0.00 0.33 0.01 0.09 97.96 06:30:19 all 2.77 0.00 0.57 0.02 0.07 96.57 06:30:19 0 2.50 0.00 0.45 0.01 0.06 96.98 06:30:19 1 3.04 0.00 0.69 0.02 0.09 96.16 06:30:19 CPU %user %nice %system %iowait %steal %idle 06:40:19 all 0.89 0.00 0.22 0.01 0.07 98.82 06:40:19 0 0.61 0.00 0.13 0.02 0.04 99.21 06:40:19 1 1.17 0.00 0.31 0.01 0.09 98.42 Average: all 2.09 0.00 0.36 0.06 0.05 97.44 Average: 0 1.83 0.00 0.31 0.06 0.05 97.75 Average: 1 2.35 0.00 0.40 0.06 0.06 97.14