---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-38301 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: 5599.86 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 22% / 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 740 5207 4 2287 7201 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:15:0b:06 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.162/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81959sec preferred_lft 81959sec inet6 fe80::f816:3eff:fe15:b06/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38301) 07/24/26 _x86_64_ (2 CPU) 05:16:29 LINUX RESTART (2 CPU) 05:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:01 1.47 0.03 1.43 0.01 1.27 17.64 445.84 05:40:01 1.25 0.01 1.23 0.01 0.05 15.03 0.96 05:50:14 1.23 0.00 1.21 0.02 0.00 14.37 1.29 06:00:01 1.39 0.00 1.36 0.03 0.00 16.52 447.20 06:10:14 1.80 0.25 1.53 0.03 30.28 74.76 1.36 06:20:14 1.31 0.01 1.29 0.02 1.05 15.47 1.15 06:30:01 42.79 3.02 22.40 17.37 237.09 3797.41 111072.85 Average: 7.21 0.47 4.29 2.45 38.00 554.36 15690.71 05:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:01 6305164 7551752 268496 3.30 30688 1421796 531552 5.79 442872 1183364 164 05:40:01 6304156 7551304 268940 3.31 30912 1422128 531552 5.79 442944 1183920 160 05:50:14 6302760 7550436 269772 3.32 31108 1422456 531692 5.79 442984 1184444 132 06:00:01 6294312 7542540 277648 3.41 31320 1422780 531732 5.79 443232 1184980 168 06:10:14 6236480 7512040 307604 3.78 31728 1449364 731988 7.97 457604 1203196 64 06:20:14 6236480 7513048 306568 3.77 31944 1450132 531788 5.79 452864 1203744 164 06:30:01 5337376 7372256 403424 4.96 89608 2113680 656300 7.15 635040 1877860 13944 Average: 6145247 7513339 300350 3.69 39615 1528905 578086 6.30 473934 1288787 2114 05:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:01 ens3 4.63 0.10 0.39 0.04 0.00 0.00 0.00 0.00 05:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:40:01 ens3 3.74 0.05 0.22 0.03 0.00 0.00 0.00 0.00 05:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:14 ens3 0.57 0.02 5.89 0.01 0.00 0.00 0.00 0.00 06:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:01 ens3 0.33 0.05 0.09 0.03 0.00 0.00 0.00 0.00 06:10:14 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 06:10:14 ens3 0.40 0.22 3.14 0.03 0.00 0.00 0.00 0.00 06:20:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:20:14 ens3 0.28 0.05 0.07 0.04 0.00 0.00 0.00 0.00 06:30:01 lo 1.36 1.36 0.09 0.09 0.00 0.00 0.00 0.00 06:30:01 ens3 130.19 105.65 375.16 35.62 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 19.66 14.88 54.00 5.02 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-38301) 07/24/26 _x86_64_ (2 CPU) 05:16:29 LINUX RESTART (2 CPU) 05:20:14 CPU %user %nice %system %iowait %steal %idle 05:30:01 all 0.29 0.00 0.18 0.01 0.03 99.48 05:30:01 0 0.17 0.00 0.17 0.01 0.03 99.62 05:30:01 1 0.41 0.00 0.18 0.02 0.04 99.35 05:40:01 all 0.25 0.00 0.08 0.01 0.04 99.63 05:40:01 0 0.05 0.00 0.09 0.01 0.05 99.80 05:40:01 1 0.44 0.00 0.06 0.01 0.03 99.46 05:50:14 all 0.25 0.00 0.07 0.01 0.03 99.64 05:50:14 0 0.10 0.00 0.07 0.01 0.03 99.78 05:50:14 1 0.39 0.00 0.08 0.00 0.03 99.49 06:00:01 all 0.29 0.00 0.15 0.01 0.04 99.50 06:00:01 0 0.19 0.00 0.15 0.02 0.04 99.60 06:00:01 1 0.40 0.00 0.15 0.01 0.03 99.41 06:10:14 all 0.35 0.00 0.10 0.02 0.03 99.50 06:10:14 0 0.43 0.00 0.11 0.02 0.03 99.40 06:10:14 1 0.26 0.00 0.08 0.02 0.04 99.60 06:20:14 all 0.24 0.00 0.07 0.01 0.04 99.65 06:20:14 0 0.06 0.00 0.09 0.00 0.04 99.81 06:20:14 1 0.42 0.00 0.05 0.01 0.03 99.49 06:30:01 all 20.87 0.00 2.33 0.82 0.08 75.90 06:30:01 0 18.31 0.00 2.11 0.46 0.08 79.04 06:30:01 1 23.43 0.00 2.54 1.19 0.08 72.76 Average: all 3.16 0.00 0.42 0.13 0.04 96.26 Average: 0 2.70 0.00 0.39 0.07 0.04 96.79 Average: 1 3.61 0.00 0.44 0.18 0.04 95.73