---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1355 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 7.9G 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 762 5206 4 2261 7179 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:9c:d5:f0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79246sec preferred_lft 79246sec inet6 fe80::f816:3eff:fe9c:d5f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1355) 04/09/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:01 1.42 0.01 1.40 0.02 0.05 17.40 657.79 01:10:04 1.79 0.31 1.45 0.03 38.80 71.35 1.41 01:20:04 1.23 0.00 1.23 0.01 0.01 14.60 0.36 01:30:01 1.41 0.00 1.39 0.01 0.00 17.46 656.47 01:40:04 1.73 0.45 1.28 0.00 17.82 89.40 0.07 01:50:04 21.59 2.58 16.78 2.23 210.62 3074.91 764.84 02:00:01 1.46 0.00 1.44 0.03 0.00 24.56 0.32 02:10:04 14.86 0.00 1.49 13.37 0.15 20.01 106146.28 02:20:04 1.45 0.00 1.43 0.02 0.00 139.81 389.28 02:30:01 1.61 0.00 1.56 0.05 0.00 32.62 0.62 02:40:04 4.08 0.04 3.20 0.83 1.42 282.55 1758.54 Average: 4.79 0.31 2.97 1.52 24.47 344.25 10092.66 00:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:01 6285524 7536916 283636 3.49 30728 1426268 530080 5.77 450332 1187492 244 01:10:04 6235576 7515740 304144 3.74 31120 1454276 728540 7.94 467680 1204824 180 01:20:04 6250976 7531656 288188 3.54 31296 1454604 728540 7.94 468360 1205332 180 01:30:01 6244188 7525436 294388 3.62 31508 1454928 728604 7.94 468152 1205868 272 01:40:04 6164964 7491216 325456 4.00 34944 1494024 753812 8.21 509532 1246352 11688 01:50:04 5248476 7363272 408412 5.02 85008 2193928 831952 9.06 604852 1952684 216 02:00:01 5250988 7367928 403720 4.96 85168 2195912 840564 9.16 604516 1954828 280 02:10:04 5265696 7383808 387760 4.77 85280 2196972 860340 9.37 624848 1955972 244 02:20:04 5202048 7357404 414044 5.09 85436 2233936 849596 9.25 612684 1993092 232 02:30:01 5191640 7351400 419900 5.16 85624 2238104 850460 9.26 613976 1997316 308 02:40:04 5393124 7405988 374472 4.60 87092 2098064 816952 8.90 614576 1858464 24036 Average: 5703018 7439160 354920 4.36 61200 1858274 774495 8.44 549046 1614748 3444 00:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.63 0.05 0.09 0.03 0.00 0.00 0.00 0.00 01:10:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:04 ens3 1.16 0.24 6.15 0.05 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.37 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:40:04 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 22.74 10.29 49.80 3.92 0.00 0.00 0.00 0.00 01:50:04 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 01:50:04 ens3 55.83 40.39 361.21 8.53 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 15.37 14.46 168.99 1.26 0.00 0.00 0.00 0.00 02:10:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:04 ens3 3.07 2.63 5.04 0.46 0.00 0.00 0.00 0.00 02:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:04 ens3 18.43 17.29 185.71 1.77 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 21.28 20.38 225.93 1.94 0.00 0.00 0.00 0.00 02:40:04 lo 1.05 1.05 0.06 0.06 0.00 0.00 0.00 0.00 02:40:04 ens3 15.90 13.68 70.02 8.62 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 14.10 10.86 97.42 2.43 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1355) 04/09/26 _x86_64_ (2 CPU) 00:41:46 LINUX RESTART (2 CPU) 00:50:04 CPU %user %nice %system %iowait %steal %idle 01:00:01 all 0.28 0.00 0.16 0.02 0.03 99.52 01:00:01 0 0.39 0.00 0.14 0.01 0.02 99.44 01:00:01 1 0.16 0.00 0.18 0.03 0.03 99.60 01:10:04 all 0.40 0.00 0.10 0.05 0.03 99.42 01:10:04 0 0.35 0.00 0.07 0.06 0.02 99.49 01:10:04 1 0.45 0.00 0.14 0.04 0.04 99.34 01:20:04 all 0.25 0.00 0.07 0.02 0.03 99.63 01:20:04 0 0.09 0.00 0.08 0.03 0.04 99.77 01:20:04 1 0.41 0.00 0.07 0.01 0.03 99.48 01:30:01 all 0.23 0.00 0.17 0.03 0.03 99.54 01:30:01 0 0.38 0.00 0.16 0.06 0.03 99.37 01:30:01 1 0.07 0.00 0.19 0.00 0.04 99.70 01:40:04 all 0.73 0.00 0.15 0.03 0.03 99.06 01:40:04 0 0.81 0.00 0.17 0.02 0.02 98.97 01:40:04 1 0.65 0.00 0.13 0.04 0.03 99.14 01:50:04 all 10.87 0.00 1.67 1.14 0.06 86.26 01:50:04 0 12.53 0.00 1.78 1.13 0.06 84.51 01:50:04 1 9.20 0.00 1.55 1.14 0.07 88.03 02:00:01 all 0.95 0.00 0.32 0.03 0.06 98.64 02:00:01 0 0.94 0.00 0.29 0.04 0.05 98.69 02:00:01 1 0.97 0.00 0.34 0.03 0.07 98.59 02:10:04 all 6.41 0.00 0.67 0.05 0.07 92.80 02:10:04 0 6.65 0.00 0.68 0.06 0.07 92.54 02:10:04 1 6.18 0.00 0.66 0.03 0.07 93.06 02:20:04 all 1.66 0.00 0.28 3.75 0.06 94.26 02:20:04 0 2.28 0.00 0.29 6.25 0.06 91.12 02:20:04 1 1.05 0.00 0.26 1.27 0.05 97.37 02:30:01 all 1.68 0.00 0.43 0.17 0.06 97.66 02:30:01 0 2.34 0.00 0.47 0.17 0.06 96.96 02:30:01 1 1.01 0.00 0.40 0.17 0.05 98.36 02:40:04 all 2.99 0.00 0.43 2.66 0.05 93.87 02:40:04 0 3.75 0.00 0.52 4.74 0.06 90.92 02:40:04 1 2.23 0.00 0.34 0.58 0.04 96.81 Average: CPU %user %nice %system %iowait %steal %idle Average: all 2.39 0.00 0.40 0.73 0.05 96.43 Average: 0 2.76 0.00 0.42 1.15 0.04 95.63 Average: 1 2.03 0.00 0.39 0.31 0.05 97.24