---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-13076 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 8.2G 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 749 4923 4 2561 7192 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:df:f2:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78272sec preferred_lft 78272sec inet6 fe80::f816:3eff:fedf:f27e/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-13076) 05/13/26 _x86_64_ (2 CPU) 00:39:58 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:24 8.40 3.75 4.57 0.08 440.39 3602.56 212.35 01:00:24 1.58 0.01 1.55 0.03 0.05 18.65 655.00 01:10:24 1.88 0.25 1.60 0.03 30.97 73.78 1.37 01:20:24 1.48 0.01 1.47 0.00 1.07 16.92 0.17 01:30:24 1.53 0.00 1.52 0.01 0.00 18.15 435.71 01:40:01 14.46 0.00 1.39 13.06 0.15 16.48 113645.97 01:50:24 2.97 1.27 1.69 0.01 92.65 158.11 0.29 02:00:24 22.47 1.68 18.56 2.23 131.15 3090.68 829.92 02:10:01 1.28 0.00 1.28 0.00 0.00 15.71 0.00 02:20:24 1.36 0.00 1.36 0.00 0.00 17.39 0.00 02:30:24 1.85 0.00 1.81 0.04 0.00 435.79 0.69 02:40:01 1.42 0.00 1.40 0.02 0.00 191.79 0.32 02:50:14 1.36 0.00 1.36 0.00 0.00 17.07 0.00 Average: 4.75 0.55 3.05 1.15 55.05 599.70 8545.33 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:24 6298160 7545388 275056 3.38 30548 1422344 526924 5.74 447520 1183072 172 01:00:24 6282300 7530096 290316 3.57 30768 1422676 526988 5.74 447664 1183624 172 01:10:24 6245156 7519616 300336 3.69 31156 1448620 724836 7.89 464060 1201192 172 01:20:24 6252272 7527564 292388 3.60 31336 1449260 530580 5.78 459352 1201700 172 01:30:24 6255004 7530852 288960 3.55 31512 1449596 530580 5.78 459220 1202212 172 01:40:01 6254756 7531228 288496 3.55 31672 1450092 531116 5.78 460076 1202676 176 01:50:24 6045160 7442048 371256 4.57 39776 1556844 607004 6.61 561876 1304956 47908 02:00:24 5073292 7192824 578416 7.11 85272 2198144 809252 8.81 772744 1958948 176 02:10:01 5151120 7271132 500132 6.15 85356 2198540 736300 8.02 698844 1959424 336 02:20:24 5193296 7314008 457260 5.62 85512 2199080 715096 7.79 661580 1960124 180 02:30:24 4874600 7131872 637608 7.84 85712 2334036 952652 10.38 849760 2095148 10408 02:40:01 4732860 7031368 737528 9.07 85876 2374568 989432 10.78 936448 2135816 288 02:50:14 4741916 7041040 727888 8.95 85980 2375040 980480 10.68 927072 2136424 196 Average: 5646146 7354541 441972 5.43 56960 1836834 704711 7.68 626632 1594255 4656 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:24 lo 1.10 1.10 0.06 0.06 0.00 0.00 0.00 0.00 00:50:24 ens3 14.19 6.57 64.90 1.81 0.00 0.00 0.00 0.00 01:00:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:24 ens3 0.52 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:10:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:24 ens3 0.89 0.23 16.65 0.05 0.00 0.00 0.00 0.00 01:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:24 ens3 0.52 0.08 0.14 0.06 0.00 0.00 0.00 0.00 01:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:24 ens3 0.23 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.52 0.22 0.14 0.63 0.00 0.00 0.00 0.00 01:50:24 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:24 ens3 16.41 10.07 66.27 4.06 0.00 0.00 0.00 0.00 02:00:24 lo 1.27 1.27 0.08 0.08 0.00 0.00 0.00 0.00 02:00:24 ens3 78.18 62.98 704.30 9.14 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 26.88 25.24 416.60 1.66 0.00 0.00 0.00 0.00 02:20:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:24 ens3 74.15 70.67 1182.34 4.64 0.00 0.00 0.00 0.00 02:30:24 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:24 ens3 28.14 26.35 449.98 1.76 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 29.34 27.96 471.30 1.86 0.00 0.00 0.00 0.00 02:50:14 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:14 ens3 13.55 12.96 207.66 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 21.94 18.82 276.61 2.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-13076) 05/13/26 _x86_64_ (2 CPU) 00:39:58 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:24 all 0.91 0.00 0.66 0.21 0.04 98.18 00:50:24 0 0.84 0.00 0.62 0.23 0.04 98.27 00:50:24 1 0.98 0.00 0.70 0.19 0.04 98.09 01:00:24 all 0.25 0.00 0.17 0.01 0.04 99.53 01:00:24 0 0.27 0.00 0.16 0.02 0.04 99.52 01:00:24 1 0.24 0.00 0.17 0.01 0.04 99.54 01:10:24 all 0.35 0.00 0.10 0.02 0.04 99.50 01:10:24 0 0.44 0.00 0.08 0.03 0.03 99.43 01:10:24 1 0.25 0.00 0.12 0.02 0.05 99.57 01:20:24 all 0.25 0.00 0.08 0.01 0.04 99.62 01:20:24 0 0.28 0.00 0.07 0.02 0.03 99.61 01:20:24 1 0.22 0.00 0.08 0.00 0.05 99.64 01:30:24 all 0.28 0.00 0.16 0.02 0.04 99.50 01:30:24 0 0.09 0.00 0.17 0.02 0.05 99.69 01:30:24 1 0.47 0.00 0.16 0.02 0.04 99.32 01:40:01 all 0.26 0.00 0.08 0.03 0.04 99.59 01:40:01 0 0.06 0.00 0.08 0.00 0.04 99.82 01:40:01 1 0.46 0.00 0.09 0.06 0.03 99.36 01:50:24 all 1.09 0.00 0.21 0.05 0.04 98.61 01:50:24 0 1.00 0.00 0.24 0.04 0.05 98.67 01:50:24 1 1.18 0.00 0.19 0.05 0.03 98.56 02:00:24 all 9.90 0.00 1.70 0.55 0.08 87.77 02:00:24 0 8.37 0.00 1.52 0.60 0.07 89.43 02:00:24 1 11.43 0.00 1.88 0.50 0.08 86.10 02:10:01 all 0.54 0.00 0.24 0.01 0.07 99.15 02:10:01 0 0.51 0.00 0.27 0.01 0.08 99.14 02:10:01 1 0.56 0.00 0.21 0.01 0.07 99.15 02:20:24 all 1.01 0.00 0.54 0.01 0.07 98.36 02:20:24 0 1.36 0.00 0.84 0.00 0.09 97.71 02:20:24 1 0.67 0.00 0.23 0.02 0.06 99.01 02:30:24 all 0.82 0.00 0.31 0.02 0.07 98.78 02:30:24 0 0.76 0.00 0.31 0.01 0.07 98.85 02:30:24 1 0.88 0.00 0.30 0.02 0.08 98.72 02:30:24 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 0.71 0.00 0.23 0.01 0.07 98.99 02:40:01 0 0.63 0.00 0.18 0.01 0.06 99.12 02:40:01 1 0.78 0.00 0.27 0.01 0.07 98.86 02:50:14 all 0.51 0.00 0.21 0.01 0.06 99.21 02:50:14 0 0.47 0.00 0.17 0.00 0.07 99.30 02:50:14 1 0.55 0.00 0.26 0.01 0.06 99.12 Average: all 1.30 0.00 0.36 0.07 0.05 98.21 Average: 0 1.16 0.00 0.36 0.08 0.06 98.34 Average: 1 1.44 0.00 0.36 0.07 0.05 98.08