---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-66349 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 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 784 5261 4 2184 7157 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:43:e8:28 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81321sec preferred_lft 81321sec inet6 fe80::f816:3eff:fe43:e828/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66349) 04/04/26 _x86_64_ (2 CPU) 01:54:05 LINUX RESTART (2 CPU) 02:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:39 1.45 0.01 1.43 0.02 0.05 16.86 1.13 02:20:19 1.43 0.00 1.41 0.02 0.01 16.37 1.24 02:30:01 1.65 0.03 1.60 0.03 2.21 19.00 450.84 02:40:49 1.37 0.00 1.35 0.02 0.00 15.87 1.11 02:50:19 1.48 0.00 1.46 0.02 0.00 17.36 1.26 03:00:01 22.92 3.12 17.47 2.33 233.58 3246.98 1190.97 03:10:19 1.64 0.01 1.63 0.00 0.56 34.67 0.03 Average: 4.45 0.44 3.68 0.33 32.57 464.59 226.93 02:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:39 6239916 7519148 300176 3.69 30988 1453436 728516 7.93 467104 1204128 160 02:20:19 6247756 7527516 291788 3.59 31192 1453764 728584 7.94 467220 1204648 180 02:30:01 6240920 7521884 297356 3.66 31416 1454708 728540 7.94 464508 1205268 240 02:40:49 6240444 7521984 297216 3.65 31632 1455060 728592 7.94 464560 1205836 124 02:50:19 6247008 7529232 289948 3.57 31852 1455516 734260 8.00 468888 1206384 124 03:00:01 5339912 7452036 319056 3.92 85232 2190900 761732 8.30 561080 1950032 2740 03:10:19 5229208 7343840 427224 5.25 85396 2193308 855620 9.32 620724 1952604 124 Average: 5969309 7487949 317538 3.90 46815 1665242 752263 8.19 502012 1418414 527 02:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:39 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:39 ens3 0.53 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:19 ens3 0.28 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.32 0.08 0.09 0.04 0.00 0.00 0.00 0.00 02:40:49 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:49 ens3 0.36 0.08 0.10 0.05 0.00 0.00 0.00 0.00 02:50:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:19 ens3 0.27 0.05 0.07 0.03 0.00 0.00 0.00 0.00 03:00:01 lo 1.31 1.31 0.08 0.08 0.00 0.00 0.00 0.00 03:00:01 ens3 57.65 39.35 307.10 11.51 0.00 0.00 0.00 0.00 03:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:19 ens3 12.22 8.83 36.28 1.29 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 9.99 6.76 47.68 1.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-66349) 04/04/26 _x86_64_ (2 CPU) 01:54:05 LINUX RESTART (2 CPU) 02:00:01 CPU %user %nice %system %iowait %steal %idle 02:10:39 all 0.26 0.00 0.07 0.01 0.04 99.61 02:10:39 0 0.06 0.00 0.09 0.02 0.05 99.79 02:10:39 1 0.47 0.00 0.06 0.00 0.03 99.44 02:20:19 all 0.24 0.00 0.07 0.01 0.04 99.64 02:20:19 0 0.25 0.00 0.08 0.01 0.04 99.63 02:20:19 1 0.23 0.00 0.07 0.01 0.04 99.65 02:30:01 all 0.33 0.00 0.17 0.01 0.03 99.46 02:30:01 0 0.15 0.00 0.17 0.01 0.04 99.63 02:30:01 1 0.50 0.00 0.17 0.01 0.03 99.29 02:40:49 all 0.23 0.00 0.07 0.04 0.03 99.62 02:40:49 0 0.05 0.00 0.09 0.01 0.03 99.82 02:40:49 1 0.40 0.00 0.06 0.08 0.03 99.43 02:50:19 all 0.27 0.00 0.08 0.02 0.03 99.61 02:50:19 0 0.16 0.00 0.09 0.00 0.03 99.72 02:50:19 1 0.38 0.00 0.06 0.03 0.03 99.49 03:00:01 all 11.34 0.00 1.83 1.03 0.05 85.76 03:00:01 0 10.87 0.00 1.88 0.86 0.04 86.35 03:00:01 1 11.80 0.00 1.77 1.19 0.05 85.18 03:10:19 all 1.03 0.00 0.22 0.01 0.05 98.69 03:10:19 0 1.06 0.00 0.22 0.02 0.05 98.65 03:10:19 1 1.00 0.00 0.22 0.00 0.05 98.73 Average: all 1.90 0.00 0.35 0.16 0.04 97.55 Average: 0 1.74 0.00 0.37 0.13 0.04 97.72 Average: 1 2.06 0.00 0.34 0.19 0.03 97.39