---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33860 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 780 5180 4 2273 7161 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:19:2d:5c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79718sec preferred_lft 79718sec inet6 fe80::f816:3eff:fe19:2d5c/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-33860) 07/08/26 _x86_64_ (2 CPU) 00:35:38 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:26 1.37 0.02 1.35 0.00 1.19 16.06 0.12 01:00:01 1.60 0.01 1.57 0.02 0.06 19.40 909.57 01:10:01 1.27 0.00 1.27 0.00 0.00 15.17 0.12 01:20:08 1.37 0.00 1.37 0.00 0.01 16.13 0.00 01:30:01 1.48 0.00 1.47 0.01 0.00 18.41 881.19 01:40:01 1.84 0.26 1.57 0.01 32.02 76.12 0.31 01:50:06 1.63 0.41 1.20 0.02 15.94 46.37 1.09 02:00:01 23.48 2.64 18.48 2.36 216.25 3475.20 584.96 02:10:01 14.75 0.00 1.27 13.48 0.15 15.80 106465.79 02:20:18 1.27 0.00 1.25 0.02 0.00 15.59 1.06 Average: 4.98 0.33 3.06 1.59 26.32 367.57 10851.01 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:26 6287164 7534340 286212 3.52 30552 1422324 522672 5.69 452404 1183196 192 01:00:01 6281964 7529688 290844 3.58 30756 1422660 522768 5.69 452512 1183732 220 01:10:01 6289804 7538028 282496 3.47 30928 1422976 522768 5.69 452612 1184224 164 01:20:08 6289804 7538524 281992 3.47 31092 1423304 522896 5.70 452900 1184716 172 01:30:01 6285300 7534568 285920 3.52 31288 1423640 523092 5.70 452956 1185248 164 01:40:01 6256388 7533264 286808 3.53 31640 1450528 523092 5.70 462128 1203284 260 01:50:06 6234268 7526320 293356 3.61 31984 1465284 538776 5.87 486628 1216856 248 02:00:01 5176296 7384664 382460 4.70 87732 2280764 646616 7.04 613652 2043724 168 02:10:01 5181620 7390536 376540 4.63 87876 2281156 646628 7.04 613668 2044232 176 02:20:18 5183708 7393152 373924 4.60 88052 2281512 646652 7.04 613732 2044764 228 Average: 5946632 7490308 314055 3.86 48190 1687415 561596 6.12 505319 1447398 199 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:26 ens3 1.05 0.10 0.15 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.45 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.39 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 0.42 0.07 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 0.37 0.16 0.07 0.63 0.00 0.00 0.00 0.00 01:40:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.97 0.47 3.32 0.09 0.00 0.00 0.00 0.00 01:50:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 11.11 4.91 19.91 2.65 0.00 0.00 0.00 0.00 02:00:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 57.08 40.09 303.54 8.65 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 1.76 0.17 0.23 0.03 0.00 0.00 0.00 0.00 02:20:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:18 ens3 0.50 0.15 0.07 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 7.35 4.58 32.43 1.22 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33860) 07/08/26 _x86_64_ (2 CPU) 00:35:38 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:26 all 0.26 0.00 0.07 0.01 0.03 99.63 00:50:26 0 0.44 0.00 0.06 0.01 0.02 99.47 00:50:26 1 0.08 0.00 0.09 0.01 0.04 99.78 01:00:01 all 0.28 0.00 0.17 0.01 0.03 99.50 01:00:01 0 0.25 0.00 0.17 0.01 0.03 99.54 01:00:01 1 0.32 0.00 0.17 0.01 0.03 99.47 01:10:01 all 0.23 0.00 0.08 0.01 0.04 99.65 01:10:01 0 0.04 0.00 0.09 0.00 0.04 99.82 01:10:01 1 0.42 0.00 0.06 0.02 0.03 99.48 01:20:08 all 0.25 0.00 0.07 0.01 0.04 99.63 01:20:08 0 0.05 0.00 0.09 0.00 0.05 99.81 01:20:08 1 0.45 0.00 0.05 0.02 0.03 99.46 01:30:01 all 0.24 0.00 0.17 0.01 0.03 99.55 01:30:01 0 0.18 0.00 0.18 0.00 0.04 99.61 01:30:01 1 0.29 0.00 0.16 0.02 0.03 99.50 01:40:01 all 0.38 0.00 0.09 0.02 0.03 99.47 01:40:01 0 0.42 0.00 0.11 0.02 0.04 99.42 01:40:01 1 0.35 0.00 0.07 0.02 0.03 99.53 01:50:06 all 0.50 0.00 0.09 0.01 0.03 99.36 01:50:06 0 0.32 0.00 0.11 0.02 0.04 99.51 01:50:06 1 0.69 0.00 0.06 0.01 0.02 99.22 02:00:01 all 11.56 0.00 1.78 0.56 0.07 86.02 02:00:01 0 7.65 0.00 1.46 0.55 0.07 90.26 02:00:01 1 15.48 0.00 2.10 0.57 0.06 81.79 02:10:01 all 0.39 0.00 0.13 0.03 0.07 99.38 02:10:01 0 0.37 0.00 0.14 0.01 0.08 99.40 02:10:01 1 0.42 0.00 0.11 0.05 0.05 99.37 02:20:18 all 0.36 0.00 0.12 0.01 0.06 99.45 02:20:18 0 0.47 0.00 0.11 0.02 0.06 99.35 02:20:18 1 0.25 0.00 0.13 0.01 0.06 99.54 Average: all 1.43 0.00 0.27 0.07 0.04 98.18 Average: 0 1.01 0.00 0.25 0.06 0.05 98.63 Average: 1 1.86 0.00 0.30 0.07 0.04 97.74