---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-12856 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 767 5272 4 2190 7174 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:3a:51:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80682sec preferred_lft 80682sec inet6 fe80::f816:3eff:fe3a:51f4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12856) 05/12/26 _x86_64_ (2 CPU) 02:19:33 LINUX RESTART (2 CPU) 02:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 1.82 0.03 1.76 0.03 1.52 29.41 654.33 02:40:17 1.75 0.25 1.48 0.02 30.22 71.68 0.87 02:50:10 1.27 0.01 1.24 0.02 1.07 15.34 1.05 03:00:00 1.43 0.00 1.41 0.02 0.00 17.60 664.50 03:10:10 1.35 0.00 1.35 0.00 0.00 16.28 0.00 03:20:19 1.52 0.03 1.49 0.00 2.13 17.51 0.04 03:30:01 1.42 0.00 1.41 0.01 0.00 17.19 449.61 03:40:19 36.41 2.92 19.15 14.35 219.85 3167.68 106683.24 03:50:10 1.50 0.00 1.48 0.01 0.00 23.89 0.14 Average: 5.50 0.37 3.48 1.65 29.12 385.69 12398.78 02:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 6306072 7557344 263444 3.24 30628 1426228 522544 5.69 444000 1187176 252 02:40:17 6236612 7514520 305888 3.76 30992 1452176 716968 7.81 458388 1204724 124 02:50:10 6265416 7544172 276212 3.40 31196 1452820 522608 5.69 453260 1205252 164 03:00:00 6252932 7532208 288120 3.54 31368 1453136 522732 5.69 451072 1205748 172 03:10:10 6260524 7540368 279944 3.44 31532 1453536 550084 5.99 453908 1206244 124 03:20:19 6262576 7543572 276732 3.40 31720 1454488 550116 5.99 455220 1206828 124 03:30:01 6262380 7544164 275984 3.39 31888 1455080 550180 5.99 457484 1207332 180 03:40:19 5247092 7370900 400852 4.93 85332 2202356 654744 7.13 619516 1962908 200 03:50:10 5231688 7357464 414256 5.09 85452 2204212 656348 7.15 613104 1964876 200 Average: 6036144 7500524 309048 3.80 43345 1617115 582925 6.35 489550 1372343 171 02:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 1.61 0.21 0.39 0.11 0.00 0.00 0.00 0.00 02:40:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:17 ens3 0.73 0.25 3.09 0.05 0.00 0.00 0.00 0.00 02:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.46 0.06 2.26 0.03 0.00 0.00 0.00 0.00 03:00:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:00 ens3 0.52 0.07 0.75 0.05 0.00 0.00 0.00 0.00 03:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:10 ens3 0.24 0.11 0.04 0.45 0.00 0.00 0.00 0.00 03:20:19 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:20:19 ens3 0.18 0.05 0.05 0.02 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.36 0.12 0.13 0.09 0.00 0.00 0.00 0.00 03:40:19 lo 1.28 1.28 0.08 0.08 0.00 0.00 0.00 0.00 03:40:19 ens3 63.10 41.54 304.94 10.68 0.00 0.00 0.00 0.00 03:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:10 ens3 10.71 9.28 61.09 0.90 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.84 5.86 42.30 1.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-12856) 05/12/26 _x86_64_ (2 CPU) 02:19:33 LINUX RESTART (2 CPU) 02:20:01 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 0.39 0.00 0.29 0.02 0.02 99.28 02:30:01 0 0.22 0.00 0.28 0.03 0.02 99.46 02:30:01 1 0.55 0.00 0.31 0.01 0.02 99.11 02:40:17 all 0.38 0.00 0.11 0.02 0.03 99.46 02:40:17 0 0.36 0.00 0.10 0.01 0.02 99.51 02:40:17 1 0.40 0.00 0.13 0.03 0.03 99.42 02:50:10 all 0.27 0.00 0.08 0.04 0.02 99.59 02:50:10 0 0.34 0.00 0.08 0.07 0.02 99.49 02:50:10 1 0.20 0.00 0.08 0.01 0.03 99.69 03:00:00 all 0.32 0.00 0.17 0.01 0.03 99.48 03:00:00 0 0.33 0.00 0.15 0.01 0.03 99.48 03:00:00 1 0.31 0.00 0.18 0.01 0.04 99.47 03:10:10 all 0.26 0.00 0.08 0.01 0.02 99.63 03:10:10 0 0.43 0.00 0.06 0.00 0.01 99.50 03:10:10 1 0.10 0.00 0.11 0.01 0.03 99.75 03:20:19 all 0.25 0.00 0.08 0.05 0.03 99.59 03:20:19 0 0.40 0.00 0.06 0.02 0.02 99.50 03:20:19 1 0.10 0.00 0.10 0.09 0.04 99.68 03:30:01 all 0.28 0.00 0.15 0.01 0.02 99.53 03:30:01 0 0.20 0.00 0.14 0.01 0.02 99.63 03:30:01 1 0.36 0.00 0.16 0.02 0.03 99.43 03:40:19 all 11.55 0.00 1.74 2.41 0.20 84.10 03:40:19 0 12.29 0.00 1.85 2.18 0.18 83.50 03:40:19 1 10.81 0.00 1.64 2.64 0.22 84.69 03:50:10 all 0.84 0.00 0.20 0.01 0.05 98.90 03:50:10 0 0.94 0.00 0.17 0.01 0.05 98.83 03:50:10 1 0.74 0.00 0.24 0.01 0.06 98.96 Average: all 1.65 0.00 0.33 0.29 0.05 97.68 Average: 0 1.76 0.00 0.33 0.27 0.04 97.61 Average: 1 1.54 0.00 0.33 0.32 0.05 97.75