---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-35275 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 767 5189 4 2277 7174 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:3f:21:0a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80541sec preferred_lft 80541sec inet6 fe80::f816:3eff:fe3f:210a/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-35275) 07/13/26 _x86_64_ (2 CPU) 00:35:55 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 1.42 0.03 1.38 0.01 1.24 16.52 0.84 01:00:01 1.53 0.01 1.50 0.03 0.05 18.74 659.79 01:10:01 1.31 0.00 1.29 0.02 0.00 15.46 1.20 01:20:05 1.35 0.00 1.33 0.02 0.01 15.81 1.19 01:30:01 2.07 0.25 1.77 0.04 31.17 79.04 659.21 01:40:07 1.39 0.00 1.37 0.02 1.04 16.63 1.12 01:50:08 1.85 0.41 1.43 0.00 15.98 48.31 0.00 02:00:01 23.77 2.48 18.95 2.34 212.13 3479.64 591.74 02:10:08 1.38 0.00 1.37 0.00 0.00 22.30 0.08 Average: 3.98 0.35 3.35 0.27 28.78 407.99 210.95 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 6301452 7548368 272212 3.35 30596 1422032 517852 5.64 445916 1183244 204 01:00:01 6301744 7549244 271332 3.34 30836 1422368 517896 5.64 446180 1183812 164 01:10:01 6301072 7549112 271468 3.34 31044 1422692 518160 5.64 446588 1184348 216 01:20:05 6301072 7549640 270920 3.33 31240 1423016 518140 5.64 446764 1184868 188 01:30:01 6234424 7510256 309744 3.81 31636 1449496 725848 7.91 461020 1202980 280 01:40:07 6244944 7521752 298264 3.67 31828 1450268 518276 5.65 456320 1203504 192 01:50:08 6214248 7506352 313372 3.85 32148 1465020 557756 6.08 498076 1217060 244 02:00:01 5158788 7365964 401208 4.93 87036 2280284 649428 7.07 617004 2043160 280 02:10:08 5134012 7343244 423928 5.21 87184 2282184 672276 7.32 631812 2045216 180 Average: 6021306 7493770 314716 3.87 43728 1624151 577292 6.29 494409 1383132 216 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 1.82 0.10 0.18 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 0.54 0.07 0.09 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 1.27 0.06 8.81 0.04 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.66 0.07 0.72 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.88 0.42 3.28 0.06 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 0.67 0.25 0.15 0.67 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 12.51 5.90 23.85 2.75 0.00 0.00 0.00 0.00 02:00:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 02:00:01 ens3 53.66 38.68 312.28 8.53 0.00 0.00 0.00 0.00 02:10:08 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 15.21 11.71 106.28 1.09 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 9.64 6.33 50.36 1.47 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-35275) 07/13/26 _x86_64_ (2 CPU) 00:35:55 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.25 0.00 0.09 0.01 0.03 99.62 00:50:05 0 0.38 0.00 0.08 0.01 0.02 99.50 00:50:05 1 0.12 0.00 0.10 0.01 0.04 99.73 01:00:01 all 0.30 0.00 0.15 0.16 0.03 99.36 01:00:01 0 0.39 0.00 0.16 0.00 0.03 99.42 01:00:01 1 0.22 0.00 0.15 0.31 0.03 99.29 01:10:01 all 0.27 0.00 0.07 0.01 0.03 99.62 01:10:01 0 0.07 0.00 0.09 0.02 0.03 99.79 01:10:01 1 0.47 0.00 0.06 0.00 0.03 99.44 01:20:05 all 0.22 0.00 0.07 0.01 0.03 99.67 01:20:05 0 0.11 0.00 0.09 0.01 0.04 99.75 01:20:05 1 0.33 0.00 0.06 0.00 0.02 99.59 01:30:01 all 0.41 0.00 0.20 0.02 0.03 99.35 01:30:01 0 0.56 0.00 0.18 0.03 0.03 99.20 01:30:01 1 0.25 0.00 0.21 0.01 0.03 99.49 01:40:07 all 0.27 0.00 0.06 0.01 0.03 99.63 01:40:07 0 0.47 0.00 0.04 0.00 0.02 99.46 01:40:07 1 0.07 0.00 0.09 0.02 0.03 99.79 01:50:08 all 0.49 0.00 0.10 0.02 0.02 99.36 01:50:08 0 0.62 0.00 0.11 0.01 0.01 99.24 01:50:08 1 0.36 0.00 0.10 0.02 0.03 99.49 02:00:01 all 11.93 0.00 1.80 0.81 0.06 85.40 02:00:01 0 7.87 0.00 1.54 0.43 0.06 90.10 02:00:01 1 15.99 0.00 2.05 1.18 0.07 80.71 02:10:08 all 1.05 0.00 0.26 0.12 0.05 98.52 02:10:08 0 1.30 0.00 0.30 0.12 0.06 98.23 02:10:08 1 0.80 0.00 0.23 0.11 0.04 98.82 Average: all 1.67 0.00 0.31 0.13 0.03 97.86 Average: 0 1.30 0.00 0.29 0.07 0.03 98.31 Average: 1 2.05 0.00 0.33 0.18 0.04 97.40