---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66658 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 8.1G 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 774 5027 4 2430 7167 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:95:61:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.87/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78163sec preferred_lft 78163sec inet6 fe80::f816:3eff:fe95:61c8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66658) 04/05/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.44 0.03 1.42 0.00 1.24 16.51 0.12 02:20:02 1.37 0.01 1.36 0.00 0.07 15.81 0.12 02:30:03 1.50 0.00 1.48 0.01 0.00 17.84 871.00 02:40:03 1.28 0.00 1.28 0.00 0.00 15.05 0.12 02:50:03 1.86 0.31 1.54 0.01 39.01 72.29 0.20 03:00:04 14.12 0.00 1.57 12.54 0.15 19.16 109841.22 03:10:04 1.34 0.00 1.33 0.01 0.00 15.62 0.96 03:20:04 23.34 3.02 18.07 2.25 227.69 3128.97 1007.56 03:30:05 1.59 0.00 1.55 0.04 0.48 30.92 1.60 03:40:06 1.40 0.00 1.38 0.01 0.00 17.63 1.08 03:50:06 1.39 0.00 1.36 0.03 0.00 198.02 2.93 04:00:05 1.76 0.00 1.71 0.05 0.00 220.63 3.21 04:10:03 1.48 0.00 1.47 0.01 0.00 17.70 0.60 Average: 4.15 0.26 2.73 1.15 20.67 291.30 8607.15 02:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6297048 7548412 272296 3.35 30628 1426364 521556 5.68 444368 1187228 124 02:20:02 6280196 7532088 288620 3.55 30820 1426692 522748 5.69 447284 1187748 184 02:30:03 6279428 7531844 288868 3.55 30996 1427024 522796 5.69 447364 1188252 244 02:40:03 6287016 7539924 280852 3.45 31160 1427344 523084 5.70 447824 1188740 208 02:50:03 6233560 7515156 304988 3.75 31504 1455304 720932 7.85 464880 1205980 216 03:00:04 6244536 7526860 293156 3.60 31700 1455804 721068 7.85 465156 1206520 196 03:10:04 6247064 7529920 290084 3.57 31900 1456128 721068 7.85 465376 1207044 224 03:20:04 5325076 7438432 333404 4.10 85372 2192000 775244 8.44 577248 1950832 2664 03:30:05 5013912 7128208 643584 7.91 85532 2192848 1068764 11.64 844028 1951840 244 03:40:06 5035380 7150340 621500 7.64 85680 2193368 1063564 11.58 821588 1952508 80 03:50:06 5039164 7209708 561848 6.91 85864 2248492 1011120 11.01 770528 2007688 192 04:00:05 4839768 7071476 698936 8.59 86064 2308608 1131916 12.33 891548 2068004 204 04:10:03 4836064 7068404 702108 8.63 86224 2309072 1093736 11.91 853176 2068628 248 Average: 5689093 7368521 429250 5.28 56419 1809158 799815 8.71 610798 1567001 387 02:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.73 0.06 0.17 0.02 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.58 0.04 0.08 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.60 0.03 0.07 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.49 0.06 0.13 0.05 0.00 0.00 0.00 0.00 02:50:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.48 0.23 3.05 0.03 0.00 0.00 0.00 0.00 03:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:04 ens3 0.39 0.15 0.10 0.43 0.00 0.00 0.00 0.00 03:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 0.24 0.03 0.05 0.01 0.00 0.00 0.00 0.00 03:20:04 lo 1.30 1.30 0.09 0.09 0.00 0.00 0.00 0.00 03:20:04 ens3 64.61 41.92 297.83 10.80 0.00 0.00 0.00 0.00 03:30:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:05 ens3 40.09 34.49 570.55 2.56 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 79.76 75.92 1272.72 4.99 0.00 0.00 0.00 0.00 03:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:06 ens3 28.50 26.69 441.67 1.79 0.00 0.00 0.00 0.00 04:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:05 ens3 29.44 28.57 485.26 1.91 0.00 0.00 0.00 0.00 04:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:03 ens3 9.26 8.26 132.83 0.58 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 19.71 16.66 246.60 1.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66658) 04/05/26 _x86_64_ (2 CPU) 01:58:16 LINUX RESTART (2 CPU) 02:00:03 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.28 0.00 0.08 0.06 0.03 99.55 02:10:01 0 0.18 0.00 0.08 0.09 0.03 99.62 02:10:01 1 0.37 0.00 0.09 0.03 0.03 99.48 02:20:02 all 0.25 0.00 0.07 0.39 0.03 99.26 02:20:02 0 0.11 0.00 0.07 0.20 0.03 99.59 02:20:02 1 0.39 0.00 0.08 0.58 0.03 98.93 02:30:03 all 0.28 0.00 0.17 0.06 0.02 99.47 02:30:03 0 0.31 0.00 0.16 0.07 0.02 99.45 02:30:03 1 0.26 0.00 0.17 0.05 0.03 99.50 02:40:03 all 0.28 0.00 0.08 0.14 0.02 99.49 02:40:03 0 0.25 0.00 0.08 0.25 0.02 99.41 02:40:03 1 0.30 0.00 0.08 0.03 0.03 99.57 02:50:03 all 0.42 0.00 0.11 0.07 0.02 99.38 02:50:03 0 0.36 0.00 0.10 0.03 0.02 99.49 02:50:03 1 0.49 0.00 0.12 0.11 0.03 99.26 03:00:04 all 0.28 0.00 0.18 0.04 0.02 99.48 03:00:04 0 0.11 0.00 0.21 0.08 0.02 99.59 03:00:04 1 0.46 0.00 0.15 0.01 0.02 99.36 03:10:04 all 0.25 0.00 0.07 0.02 0.02 99.65 03:10:04 0 0.07 0.00 0.10 0.03 0.02 99.78 03:10:04 1 0.43 0.00 0.04 0.00 0.01 99.52 03:20:04 all 10.89 0.00 1.68 1.22 0.04 86.16 03:20:04 0 10.13 0.00 1.58 1.45 0.05 86.79 03:20:04 1 11.65 0.00 1.78 1.00 0.04 85.54 03:30:05 all 0.85 0.00 0.40 0.04 0.04 98.67 03:30:05 0 1.16 0.00 0.52 0.03 0.05 98.25 03:30:05 1 0.54 0.00 0.29 0.05 0.04 99.09 03:40:06 all 1.07 0.00 0.55 0.05 0.05 98.27 03:40:06 0 1.09 0.00 0.56 0.03 0.05 98.27 03:40:06 1 1.05 0.00 0.55 0.07 0.05 98.28 03:50:06 all 0.78 0.00 0.26 0.05 0.05 98.86 03:50:06 0 0.66 0.00 0.24 0.01 0.05 99.03 03:50:06 1 0.91 0.00 0.28 0.09 0.04 98.69 03:50:06 CPU %user %nice %system %iowait %steal %idle 04:00:05 all 0.80 0.00 0.33 0.07 0.05 98.74 04:00:05 0 0.87 0.00 0.32 0.03 0.05 98.73 04:00:05 1 0.72 0.00 0.35 0.12 0.06 98.76 04:10:03 all 0.47 0.00 0.18 0.04 0.05 99.26 04:10:03 0 0.46 0.00 0.10 0.04 0.04 99.36 04:10:03 1 0.48 0.00 0.27 0.04 0.06 99.16 Average: all 1.30 0.00 0.32 0.17 0.03 98.17 Average: 0 1.21 0.00 0.32 0.18 0.03 98.26 Average: 1 1.39 0.00 0.32 0.17 0.03 98.09