---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-17282 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 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 797 5122 4 2314 7144 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:c1:50:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.143/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80747sec preferred_lft 80747sec inet6 fe80::f816:3eff:fec1:5025/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17282) 05/21/26 _x86_64_ (2 CPU) 01:09:15 LINUX RESTART (2 CPU) 01:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:54 1.53 0.03 1.49 0.01 1.19 17.94 202.68 01:30:48 1.64 0.01 1.62 0.02 0.05 18.91 440.90 01:40:08 15.45 0.27 1.73 13.45 33.34 79.63 116986.74 01:50:18 1.46 0.00 1.45 0.00 1.04 16.64 0.05 02:00:48 1.55 0.00 1.54 0.01 0.00 18.23 0.25 02:10:08 1.41 0.03 1.38 0.00 2.30 15.89 0.00 02:20:54 22.22 2.96 17.16 2.10 214.88 3181.98 557.73 02:30:18 1.65 0.00 1.63 0.02 0.00 51.37 0.27 02:40:48 1.53 0.00 1.52 0.00 0.33 65.75 0.03 Average: 5.43 0.39 3.40 1.64 29.50 408.99 12180.19 01:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:54 6283304 7529692 290840 3.58 30532 1421748 528704 5.76 449032 1183024 128 01:30:48 6284152 7531104 289344 3.56 30740 1422080 528928 5.76 449244 1183564 160 01:40:08 6230652 7504340 315588 3.88 31124 1448100 735620 8.01 466052 1201176 124 01:50:18 6246708 7521256 298676 3.67 31296 1448764 532360 5.80 460740 1201700 180 02:00:48 6248396 7523468 296380 3.64 31472 1449088 532420 5.80 460692 1202200 120 02:10:08 6244596 7520908 298936 3.68 31636 1450160 532484 5.80 461740 1202748 348 02:20:54 5180624 7374016 393672 4.84 87140 2267168 663220 7.22 616932 2029816 412 02:30:18 5164480 7366544 401072 4.93 87280 2275704 680024 7.41 634108 2038488 224 02:40:48 5113368 7330316 437096 5.37 87452 2290416 772672 8.42 668296 2053260 256 Average: 5888476 7466849 335734 4.13 49852 1719248 611826 6.66 518537 1477331 217 01:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:54 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:54 ens3 1.91 0.12 0.27 0.08 0.00 0.00 0.00 0.00 01:30:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:48 ens3 0.44 0.03 0.06 0.01 0.00 0.00 0.00 0.00 01:40:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.67 0.29 3.40 0.06 0.00 0.00 0.00 0.00 01:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:18 ens3 0.23 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:00:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:48 ens3 0.21 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:10:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:10:08 ens3 0.31 0.09 0.09 0.04 0.00 0.00 0.00 0.00 02:20:54 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 02:20:54 ens3 51.28 30.99 289.87 9.08 0.00 0.00 0.00 0.00 02:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:18 ens3 9.04 6.56 1.53 1.73 0.00 0.00 0.00 0.00 02:40:48 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:48 ens3 15.31 13.40 2.80 4.60 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 9.23 5.98 35.33 1.82 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-17282) 05/21/26 _x86_64_ (2 CPU) 01:09:15 LINUX RESTART (2 CPU) 01:10:07 CPU %user %nice %system %iowait %steal %idle 01:20:54 all 0.29 0.00 0.16 0.01 0.04 99.50 01:20:54 0 0.09 0.00 0.18 0.01 0.04 99.68 01:20:54 1 0.48 0.00 0.14 0.02 0.03 99.33 01:30:48 all 0.28 0.00 0.15 0.01 0.04 99.52 01:30:48 0 0.08 0.00 0.18 0.01 0.05 99.68 01:30:48 1 0.47 0.00 0.13 0.01 0.04 99.35 01:40:08 all 0.42 0.00 0.11 0.04 0.04 99.39 01:40:08 0 0.34 0.00 0.13 0.03 0.05 99.44 01:40:08 1 0.49 0.00 0.08 0.06 0.04 99.33 01:50:18 all 0.21 0.00 0.07 0.01 0.04 99.67 01:50:18 0 0.21 0.00 0.07 0.02 0.04 99.66 01:50:18 1 0.21 0.00 0.07 0.00 0.04 99.67 02:00:48 all 0.26 0.00 0.15 0.01 0.04 99.54 02:00:48 0 0.19 0.00 0.16 0.00 0.05 99.60 02:00:48 1 0.33 0.00 0.14 0.02 0.04 99.48 02:10:08 all 0.22 0.00 0.09 0.01 0.04 99.64 02:10:08 0 0.06 0.00 0.09 0.02 0.04 99.79 02:10:08 1 0.38 0.00 0.08 0.01 0.04 99.49 02:20:54 all 11.08 0.00 1.59 0.52 0.05 86.75 02:20:54 0 12.53 0.00 1.70 0.71 0.06 85.00 02:20:54 1 9.64 0.00 1.47 0.34 0.05 88.50 02:30:18 all 3.79 0.00 0.34 0.01 0.06 95.79 02:30:18 0 3.19 0.00 0.33 0.02 0.06 96.41 02:30:18 1 4.40 0.00 0.36 0.01 0.06 95.18 02:40:48 all 5.28 0.00 0.51 0.01 0.05 94.15 02:40:48 0 6.82 0.00 0.66 0.01 0.06 92.45 02:40:48 1 3.73 0.00 0.36 0.01 0.05 95.85 Average: all 2.50 0.00 0.36 0.08 0.05 97.01 Average: 0 2.71 0.00 0.40 0.10 0.05 96.74 Average: 1 2.29 0.00 0.33 0.05 0.04 97.29