---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1883 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: 5600.00 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 758 5286 4 2184 7183 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:78:ad:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.130/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81565sec preferred_lft 81565sec inet6 fe80::f816:3eff:fe78:adb8/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1883) 04/11/26 _x86_64_ (2 CPU) 00:42:11 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:08 1.45 0.01 1.43 0.01 0.05 17.98 863.04 01:10:08 1.21 0.00 1.21 0.00 0.00 14.97 0.00 01:20:00 1.78 0.33 1.44 0.02 40.57 72.50 0.35 01:30:02 1.40 0.00 1.38 0.01 0.00 17.58 869.20 01:40:00 1.64 0.40 1.24 0.00 15.86 46.56 0.00 01:50:01 21.84 2.62 16.99 2.23 212.14 3104.07 499.39 02:00:02 1.54 0.00 1.50 0.04 0.00 24.61 1.59 Average: 4.41 0.48 3.60 0.33 38.35 471.81 320.67 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:08 6284252 7535252 285220 3.51 30788 1425848 530580 5.78 446800 1187508 180 01:10:08 6284252 7535752 284632 3.50 30956 1426188 530716 5.78 447008 1188008 188 01:20:00 6243292 7523896 295940 3.64 31312 1454544 530792 5.78 459100 1205352 124 01:30:02 6238844 7520008 299820 3.69 31516 1454872 530936 5.78 459788 1205884 136 01:40:00 6226656 7523048 296592 3.65 31816 1469636 546708 5.95 485172 1219312 132 01:50:01 5268560 7383264 388476 4.78 85140 2193696 642064 6.99 601240 1952624 160 02:00:02 5233036 7349804 421892 5.19 85312 2195568 664916 7.24 615812 1954688 188 Average: 5968413 7481575 324653 3.99 46691 1660050 568102 6.19 502131 1416197 158 00:50:01 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 0.81 0.06 0.10 0.03 0.00 0.00 0.00 0.00 01:10:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:08 ens3 0.91 0.05 10.10 0.03 0.00 0.00 0.00 0.00 01:20:00 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:00 ens3 0.79 0.25 3.20 0.07 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.40 0.15 0.08 0.51 0.00 0.00 0.00 0.00 01:40:00 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:00 ens3 10.65 5.81 20.26 2.81 0.00 0.00 0.00 0.00 01:50:01 lo 1.29 1.29 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 58.36 40.15 291.77 8.85 0.00 0.00 0.00 0.00 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 10.53 9.15 107.07 0.91 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 11.79 7.95 61.87 1.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1883) 04/11/26 _x86_64_ (2 CPU) 00:42:11 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:08 all 0.25 0.00 0.16 0.01 0.03 99.54 01:00:08 0 0.28 0.00 0.15 0.01 0.02 99.55 01:00:08 1 0.23 0.00 0.18 0.01 0.03 99.54 01:10:08 all 0.27 0.00 0.07 0.01 0.03 99.61 01:10:08 0 0.08 0.00 0.08 0.01 0.04 99.79 01:10:08 1 0.47 0.00 0.05 0.01 0.03 99.44 01:20:00 all 0.38 0.00 0.11 0.02 0.03 99.46 01:20:00 0 0.17 0.00 0.10 0.02 0.03 99.68 01:20:00 1 0.59 0.00 0.12 0.03 0.03 99.23 01:30:02 all 0.32 0.00 0.17 0.01 0.03 99.47 01:30:02 0 0.30 0.00 0.16 0.02 0.03 99.49 01:30:02 1 0.33 0.00 0.18 0.00 0.03 99.45 01:40:00 all 0.46 0.00 0.09 0.02 0.03 99.40 01:40:00 0 0.49 0.00 0.08 0.03 0.03 99.38 01:40:00 1 0.43 0.00 0.10 0.01 0.03 99.43 01:50:01 all 10.74 0.00 1.66 0.64 0.07 86.90 01:50:01 0 10.30 0.00 1.60 0.53 0.07 87.50 01:50:01 1 11.17 0.00 1.72 0.75 0.06 86.29 02:00:02 all 0.80 0.00 0.28 0.02 0.06 98.84 02:00:02 0 0.86 0.00 0.29 0.01 0.07 98.77 02:00:02 1 0.73 0.00 0.27 0.03 0.06 98.92 Average: all 1.89 0.00 0.36 0.10 0.04 97.60 Average: 0 1.78 0.00 0.35 0.09 0.04 97.74 Average: 1 1.99 0.00 0.37 0.12 0.04 97.47