---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-10215 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 766 5284 4 2179 7175 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:0d:c4:7f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.145/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79931sec preferred_lft 79931sec inet6 fe80::f816:3eff:fe0d:c47f/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-10215) 05/02/26 _x86_64_ (2 CPU) 00:39:50 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 17.56 3.05 2.10 12.41 381.59 105.52 108100.12 01:00:07 1.42 0.01 1.39 0.03 0.05 16.95 654.76 01:10:07 1.16 0.00 1.14 0.02 0.45 13.81 1.21 01:20:07 1.85 0.27 1.55 0.03 32.68 73.97 1.31 01:30:07 1.41 0.00 1.38 0.03 0.00 16.92 654.39 01:40:07 1.17 0.00 1.15 0.02 0.00 14.09 0.99 01:50:07 1.10 0.00 1.10 0.00 0.00 13.28 0.24 02:00:07 22.76 3.02 17.48 2.26 226.51 3174.73 635.53 02:10:01 1.27 0.00 1.27 0.00 0.00 15.02 0.00 02:20:07 1.18 0.00 1.18 0.00 0.00 14.53 0.00 Average: 5.10 0.64 2.97 1.49 64.51 345.59 11121.55 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 6298584 7544584 275832 3.39 30528 1421168 530632 5.78 444368 1183188 152 01:00:07 6300880 7547432 272892 3.36 30728 1421500 530724 5.78 444580 1183720 152 01:10:07 6298136 7545336 274980 3.38 30932 1421928 537232 5.85 448076 1184244 232 01:20:07 6246216 7520592 299208 3.68 31316 1448380 733600 7.99 461556 1201860 124 01:30:07 6234032 7509044 310652 3.82 31560 1448720 733600 7.99 461420 1202448 220 01:40:07 6234032 7509704 309996 3.81 31760 1449164 733728 7.99 462108 1202972 120 01:50:07 6233276 7509432 310260 3.82 31912 1449488 733792 7.99 462288 1203448 180 02:00:07 5255012 7371912 399240 4.91 85476 2195388 855508 9.32 614064 1957796 172 02:10:01 5255016 7372392 398800 4.90 85604 2195736 855572 9.32 614144 1958272 284 02:20:07 5255016 7372904 398324 4.90 85764 2196088 855572 9.32 614180 1958784 236 Average: 5961020 7480333 325018 4.00 47558 1664756 709996 7.73 502678 1423673 187 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 14.24 6.15 35.58 1.73 0.00 0.00 0.00 0.00 01:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 0.52 0.08 0.08 0.03 0.00 0.00 0.00 0.00 01:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:07 ens3 0.42 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:07 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:07 ens3 0.75 0.31 3.24 0.10 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.27 0.07 0.07 0.04 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.54 0.26 0.12 0.59 0.00 0.00 0.00 0.00 01:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:07 ens3 0.36 0.12 0.14 0.09 0.00 0.00 0.00 0.00 02:00:07 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:07 ens3 66.15 44.16 302.87 11.20 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.60 0.14 0.19 0.03 0.00 0.00 0.00 0.00 02:20:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:07 ens3 0.59 0.20 0.09 0.03 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 8.55 5.16 34.25 1.39 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-10215) 05/02/26 _x86_64_ (2 CPU) 00:39:50 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 0.67 0.00 0.29 0.21 0.03 98.80 00:50:07 0 0.41 0.00 0.30 0.11 0.04 99.14 00:50:07 1 0.94 0.00 0.27 0.30 0.03 98.46 01:00:07 all 0.27 0.00 0.16 0.01 0.03 99.52 01:00:07 0 0.10 0.00 0.18 0.02 0.04 99.66 01:00:07 1 0.45 0.00 0.15 0.01 0.03 99.37 01:10:07 all 0.24 0.00 0.07 0.01 0.04 99.65 01:10:07 0 0.23 0.00 0.09 0.01 0.04 99.63 01:10:07 1 0.24 0.00 0.06 0.00 0.03 99.67 01:20:07 all 0.45 0.00 0.10 0.02 0.04 99.39 01:20:07 0 0.50 0.00 0.07 0.01 0.03 99.40 01:20:07 1 0.40 0.00 0.14 0.03 0.05 99.38 01:30:07 all 0.26 0.00 0.17 0.01 0.03 99.53 01:30:07 0 0.33 0.00 0.14 0.02 0.03 99.48 01:30:07 1 0.19 0.00 0.19 0.01 0.04 99.58 01:40:07 all 0.28 0.00 0.06 0.01 0.03 99.62 01:40:07 0 0.26 0.00 0.07 0.02 0.03 99.64 01:40:07 1 0.30 0.00 0.05 0.00 0.04 99.60 01:50:07 all 0.24 0.00 0.07 0.01 0.03 99.65 01:50:07 0 0.06 0.00 0.08 0.02 0.04 99.80 01:50:07 1 0.43 0.00 0.05 0.00 0.02 99.50 02:00:07 all 10.71 0.00 1.71 0.51 0.06 87.00 02:00:07 0 9.43 0.00 1.68 0.43 0.07 88.39 02:00:07 1 12.00 0.00 1.74 0.59 0.06 85.60 02:10:01 all 0.39 0.00 0.12 0.01 0.07 99.42 02:10:01 0 0.47 0.00 0.06 0.01 0.04 99.42 02:10:01 1 0.30 0.00 0.18 0.00 0.10 99.41 02:20:07 all 0.38 0.00 0.12 0.01 0.06 99.42 02:20:07 0 0.47 0.00 0.06 0.01 0.03 99.44 02:20:07 1 0.29 0.00 0.19 0.01 0.09 99.41 Average: all 1.39 0.00 0.29 0.08 0.04 98.20 Average: 0 1.22 0.00 0.27 0.06 0.04 98.40 Average: 1 1.55 0.00 0.30 0.10 0.05 98.00