---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-1888 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 8.1G 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 754 5011 4 2467 7187 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:34:00:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.72/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79265sec preferred_lft 79265sec inet6 fe80::f816:3eff:fe34:f6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1888) 04/11/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:09 2.06 0.32 1.72 0.03 38.56 74.57 430.46 01:10:02 1.37 0.01 1.35 0.02 1.07 16.49 1.27 01:20:01 1.36 0.00 1.35 0.02 0.01 16.28 1.20 01:30:12 1.58 0.00 1.55 0.03 0.00 19.18 642.67 01:40:12 2.00 0.40 1.58 0.03 15.82 52.00 218.96 01:50:01 22.37 2.68 17.41 2.28 216.35 3164.30 920.31 02:00:12 1.45 0.00 1.43 0.02 0.00 18.48 0.22 02:10:12 1.29 0.00 1.29 0.00 0.00 111.15 0.08 02:20:02 15.09 0.00 1.41 13.68 0.15 329.48 108603.71 02:30:12 1.67 0.00 1.64 0.03 0.00 64.81 0.50 02:40:09 3.61 0.04 2.88 0.69 1.44 789.40 1878.26 Average: 4.84 0.31 3.03 1.50 24.51 416.88 10059.98 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:09 6235936 7511192 308652 3.80 30856 1449904 726980 7.92 462016 1200344 140 01:10:02 6251716 7527836 292128 3.59 31072 1450548 528392 5.76 456732 1200892 188 01:20:01 6259052 7535724 284236 3.50 31284 1450880 528532 5.76 457436 1201436 124 01:30:12 6256292 7533520 286452 3.52 31504 1451208 528596 5.76 457096 1201980 188 01:40:12 6196896 7498700 320852 3.95 31884 1475048 591008 6.44 501604 1224560 9224 01:50:01 5062232 7172332 599592 7.37 85208 2189252 826492 9.00 784332 1948048 128 02:00:12 5144300 7254932 516916 6.36 85332 2189660 744488 8.11 701108 1948580 184 02:10:12 5114760 7254428 517452 6.36 85468 2218556 800392 8.72 740976 1977612 152 02:20:02 4910008 7143684 626688 7.71 85648 2311180 902336 9.83 843444 2070388 240 02:30:12 4857384 7105156 664636 8.17 85840 2324892 959264 10.45 850228 2084160 124 02:40:09 5137400 7358808 418040 5.14 87124 2303764 704532 7.67 636752 2064052 25272 Average: 5584180 7354210 439604 5.41 61020 1892263 712819 7.76 626520 1647459 3269 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:09 ens3 1.32 0.47 3.10 0.06 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.34 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.58 0.09 0.14 0.06 0.00 0.00 0.00 0.00 01:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:12 ens3 0.31 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:12 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:40:12 ens3 13.78 7.05 39.28 3.33 0.00 0.00 0.00 0.00 01:50:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 01:50:01 ens3 80.42 63.06 731.62 10.19 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 31.34 28.48 472.00 1.89 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 88.21 78.46 1275.94 5.14 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 28.50 25.13 391.44 1.68 0.00 0.00 0.00 0.00 02:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:12 ens3 26.16 24.80 405.66 1.66 0.00 0.00 0.00 0.00 02:40:09 lo 1.03 1.03 0.06 0.06 0.00 0.00 0.00 0.00 02:40:09 ens3 35.46 27.68 312.44 20.00 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 27.73 23.12 329.25 3.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-1888) 04/11/26 _x86_64_ (2 CPU) 00:42:20 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:09 all 0.34 0.00 0.21 0.03 0.02 99.40 01:00:09 0 0.39 0.00 0.16 0.02 0.02 99.42 01:00:09 1 0.28 0.00 0.27 0.04 0.02 99.39 01:10:02 all 0.28 0.00 0.07 0.01 0.02 99.62 01:10:02 0 0.49 0.00 0.05 0.00 0.01 99.45 01:10:02 1 0.07 0.00 0.10 0.02 0.03 99.79 01:20:01 all 0.25 0.00 0.08 0.01 0.02 99.64 01:20:01 0 0.44 0.00 0.07 0.01 0.02 99.47 01:20:01 1 0.06 0.00 0.09 0.01 0.02 99.82 01:30:12 all 0.29 0.00 0.16 0.01 0.02 99.52 01:30:12 0 0.50 0.00 0.15 0.01 0.02 99.32 01:30:12 1 0.08 0.00 0.18 0.01 0.02 99.71 01:40:12 all 0.55 0.00 0.15 0.02 0.02 99.27 01:40:12 0 0.46 0.00 0.16 0.01 0.02 99.36 01:40:12 1 0.64 0.00 0.14 0.03 0.02 99.18 01:50:01 all 11.12 0.00 1.78 0.78 0.05 86.26 01:50:01 0 7.56 0.00 1.56 0.75 0.05 90.08 01:50:01 1 14.69 0.00 2.01 0.80 0.06 82.45 02:00:12 all 0.60 0.00 0.34 0.01 0.04 99.01 02:00:12 0 0.61 0.00 0.25 0.01 0.03 99.09 02:00:12 1 0.58 0.00 0.42 0.00 0.06 98.93 02:10:12 all 1.14 0.00 0.58 0.03 0.05 98.20 02:10:12 0 1.02 0.00 0.52 0.04 0.04 98.39 02:10:12 1 1.26 0.00 0.64 0.02 0.06 98.02 02:20:02 all 0.80 0.00 0.23 0.10 0.03 98.83 02:20:02 0 0.74 0.00 0.21 0.09 0.03 98.93 02:20:02 1 0.86 0.00 0.26 0.11 0.04 98.73 02:30:12 all 0.71 0.00 0.36 0.55 0.03 98.35 02:30:12 0 0.52 0.00 0.24 0.86 0.03 98.36 02:30:12 1 0.90 0.00 0.49 0.24 0.04 98.34 02:40:09 all 2.88 0.00 0.45 0.09 0.04 96.54 02:40:09 0 3.36 0.00 0.42 0.09 0.04 96.09 02:40:09 1 2.41 0.00 0.49 0.08 0.04 96.99 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.70 0.00 0.40 0.15 0.03 97.72 Average: 0 1.45 0.00 0.34 0.17 0.03 98.01 Average: 1 1.96 0.00 0.46 0.12 0.04 97.43