---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9897 5.15.0-153-generic #163-Ubuntu SMP Thu Aug 7 16:37:18 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB disabled; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 726 9615 4 5647 14920 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:01:83:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83044sec preferred_lft 83044sec inet6 fe80::f816:3eff:fe01:83fe/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:3c:41:0a:8c:96 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-9897) 11/14/25 _x86_64_ (4 CPU) 00:05:27 LINUX RESTART (4 CPU) 00:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:17 15.22 0.65 4.08 10.50 537.06 657.09 246136.48 00:30:15 1.16 0.01 1.14 0.02 0.04 13.28 0.13 00:40:20 46.94 4.53 41.58 0.83 259.78 4143.06 1811.60 00:50:20 28.73 0.11 25.34 3.28 5.69 3213.35 26106.49 01:00:07 23.29 0.05 20.32 2.92 1.65 6099.89 82738.21 Average: 23.12 1.08 18.53 3.51 161.89 2814.33 71259.67 00:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:17 13488020 15523428 490976 3.00 57500 2202092 1131820 6.50 384320 2242484 16 00:30:15 13484776 15520524 493876 3.02 57832 2202104 1131464 6.49 384656 2242736 12 00:40:20 10395344 13737104 2223820 13.58 129424 3351136 2564480 14.72 704132 4909028 132196 00:50:20 8875316 12904496 3050428 18.63 157552 3957320 3228932 18.53 939512 6132364 192888 01:00:07 5602704 10965212 4982004 30.43 194288 5159068 5171428 29.68 1079120 9160636 293212 Average: 10369232 13730153 2248221 13.73 119319 3374344 2645625 15.19 698348 4937450 123665 00:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:17 lo 0.13 0.13 0.01 0.01 0.00 0.00 0.00 0.00 00:20:17 ens3 6.56 3.62 125.89 0.29 0.00 0.00 0.00 0.00 00:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:30:15 ens3 0.36 0.11 0.08 0.04 0.00 0.00 0.00 0.00 00:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:20 lo 94.00 94.00 89.04 89.04 0.00 0.00 0.00 0.00 00:40:20 ens3 93.59 65.01 751.30 13.13 0.00 0.00 0.00 0.00 00:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:20 lo 1543.63 1543.63 1471.05 1471.05 0.00 0.00 0.00 0.00 00:50:20 ens3 34.18 27.23 92.26 8.23 0.00 0.00 0.00 0.00 00:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:07 lo 468.15 468.15 444.93 444.93 0.00 0.00 0.00 0.00 01:00:07 ens3 45.13 36.90 230.18 9.93 0.00 0.00 0.00 0.00 01:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 420.77 420.77 400.60 400.60 0.00 0.00 0.00 0.00 Average: ens3 36.04 26.61 240.99 6.32 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-153-generic (prd-ubuntu2204-docker-4c-4g-9897) 11/14/25 _x86_64_ (4 CPU) 00:05:27 LINUX RESTART (4 CPU) 00:10:16 CPU %user %nice %system %iowait %steal %idle 00:20:17 all 0.37 0.00 0.12 0.14 0.02 99.34 00:20:17 0 0.27 0.00 0.10 0.26 0.01 99.35 00:20:17 1 0.53 0.00 0.11 0.12 0.03 99.21 00:20:17 2 0.27 0.00 0.11 0.04 0.02 99.56 00:20:17 3 0.40 0.00 0.17 0.15 0.03 99.26 00:30:15 all 0.05 0.00 0.02 0.01 0.02 99.91 00:30:15 0 0.02 0.00 0.01 0.00 0.01 99.95 00:30:15 1 0.14 0.00 0.01 0.01 0.03 99.81 00:30:15 2 0.01 0.00 0.02 0.00 0.02 99.95 00:30:15 3 0.02 0.00 0.03 0.02 0.03 99.91 00:40:20 all 21.70 0.00 0.87 0.33 0.05 77.04 00:40:20 0 21.56 0.00 1.03 0.11 0.05 77.24 00:40:20 1 22.14 0.00 0.98 0.36 0.05 76.46 00:40:20 2 22.99 0.00 0.84 0.29 0.05 75.83 00:40:20 3 20.12 0.00 0.63 0.57 0.04 78.64 00:50:20 all 64.05 0.00 2.41 0.14 0.09 33.31 00:50:20 0 62.45 0.00 2.32 0.10 0.09 35.03 00:50:20 1 63.05 0.00 2.56 0.18 0.09 34.12 00:50:20 2 65.30 0.00 2.58 0.16 0.09 31.87 00:50:20 3 65.41 0.00 2.18 0.11 0.09 32.21 01:00:07 all 60.04 0.00 2.07 0.21 0.09 37.58 01:00:07 0 56.71 0.00 1.89 0.26 0.09 41.05 01:00:07 1 60.39 0.00 1.97 0.23 0.09 37.32 01:00:07 2 63.70 0.00 2.40 0.16 0.09 33.65 01:00:07 3 59.38 0.00 2.01 0.21 0.09 38.32 Average: all 29.07 0.00 1.09 0.17 0.05 69.62 Average: 0 28.04 0.00 1.07 0.15 0.05 70.70 Average: 1 29.09 0.00 1.12 0.18 0.06 69.55 Average: 2 30.26 0.00 1.18 0.13 0.05 68.37 Average: 3 28.89 0.00 1.00 0.21 0.05 69.85