---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-54116 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: 5599.94 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 756 5280 4 2193 7185 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:3c:a0:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81593sec preferred_lft 81593sec inet6 fe80::f816:3eff:fe3c:a0eb/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-54116) 03/30/26 _x86_64_ (2 CPU) 00:41:20 LINUX RESTART (2 CPU) 00:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.53 0.01 1.49 0.03 0.05 18.22 872.10 01:10:01 1.14 0.00 1.13 0.02 0.00 14.23 1.21 01:20:02 1.14 0.00 1.12 0.02 0.01 13.96 1.09 01:30:07 1.94 0.31 1.58 0.04 38.65 73.50 864.43 01:40:01 13.93 0.00 1.24 12.68 0.15 15.25 110163.47 01:50:08 23.95 2.99 18.75 2.21 224.83 3086.18 1465.83 02:00:01 2.29 0.06 1.85 0.38 2.25 86.89 1640.86 Average: 6.58 0.49 3.91 2.18 38.43 477.85 16304.52 00:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6277056 7527896 292168 3.59 30752 1425928 530436 5.78 448392 1187356 240 01:10:01 6274380 7525752 294320 3.62 30960 1426248 530436 5.78 448304 1187892 276 01:20:02 6273624 7525520 294580 3.62 31148 1426576 530680 5.78 448832 1188408 128 01:30:07 6233736 7514340 305080 3.75 31560 1454476 728052 7.93 465748 1205656 108 01:40:01 6237016 7518328 301060 3.70 31760 1454972 728436 7.93 465128 1206196 128 01:50:08 5343232 7454464 316756 3.89 85284 2190296 755332 8.23 550984 1949628 2352 02:00:01 5436924 7381980 398352 4.90 85744 2031968 815296 8.88 615684 1791444 24120 Average: 6010853 7492611 314617 3.87 46744 1630066 659810 7.19 491867 1388083 3907 00:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.67 0.07 0.09 0.04 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 0.99 0.06 10.34 0.03 0.00 0.00 0.00 0.00 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 0.60 0.09 0.17 0.06 0.00 0.00 0.00 0.00 01:30:07 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.52 0.22 3.04 0.05 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.39 0.09 0.10 0.06 0.00 0.00 0.00 0.00 01:50:08 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 01:50:08 ens3 98.42 67.02 301.44 16.74 0.00 0.00 0.00 0.00 02:00:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 24.43 16.88 14.23 5.74 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 18.14 12.15 47.54 3.27 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-54116) 03/30/26 _x86_64_ (2 CPU) 00:41:20 LINUX RESTART (2 CPU) 00:50:07 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.27 0.00 0.18 0.01 0.03 99.52 01:00:08 0 0.13 0.00 0.19 0.01 0.03 99.64 01:00:08 1 0.40 0.00 0.16 0.01 0.03 99.40 01:10:01 all 0.25 0.00 0.07 0.02 0.03 99.63 01:10:01 0 0.07 0.00 0.08 0.02 0.04 99.79 01:10:01 1 0.43 0.00 0.06 0.02 0.02 99.47 01:20:02 all 0.26 0.00 0.07 0.01 0.04 99.62 01:20:02 0 0.14 0.00 0.07 0.01 0.04 99.75 01:20:02 1 0.38 0.00 0.08 0.02 0.04 99.49 01:30:07 all 0.40 0.00 0.19 0.03 0.04 99.35 01:30:07 0 0.40 0.00 0.20 0.01 0.04 99.35 01:30:07 1 0.39 0.00 0.18 0.04 0.03 99.35 01:40:01 all 0.26 0.00 0.08 0.03 0.04 99.59 01:40:01 0 0.30 0.00 0.08 0.05 0.03 99.54 01:40:01 1 0.22 0.00 0.08 0.02 0.04 99.63 01:50:08 all 10.69 0.00 1.69 2.42 0.06 85.14 01:50:08 0 10.35 0.00 1.78 1.29 0.05 86.53 01:50:08 1 11.03 0.00 1.61 3.55 0.06 83.75 02:00:01 all 6.04 0.00 0.71 0.03 0.05 93.17 02:00:01 0 6.36 0.00 0.67 0.02 0.05 92.90 02:00:01 1 5.73 0.00 0.75 0.05 0.05 93.43 Average: all 2.60 0.00 0.43 0.37 0.04 96.56 Average: 0 2.54 0.00 0.44 0.20 0.04 96.78 Average: 1 2.66 0.00 0.42 0.54 0.04 96.35