---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38181 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 UTC 2026 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 conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: 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 12G 66G 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 749 9117 4 6121 14897 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:10:58:6c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84048sec preferred_lft 84048sec inet6 fe80::f816:3eff:fe10:586c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:61:bf:f1:c4:b0 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38181) 08/16/26 _x86_64_ (4 CPU) 20:24:15 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:05 20.78 2.07 17.53 1.18 128.86 4474.07 8801.89 20:50:00 65.78 0.01 50.35 15.42 0.50 3664.29 10304.50 21:00:06 33.54 0.15 27.87 5.52 10.20 4811.91 8721.56 Average: 39.94 0.74 31.85 7.34 46.55 4320.31 9271.09 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:05 8727040 13262352 2689136 16.42 189316 4386076 2952436 16.95 742528 6418892 440060 20:50:00 8393600 13136636 2811020 17.17 214040 4541076 3186732 18.29 858836 6613240 40048 21:00:06 9465628 15367756 575688 3.52 247940 5606968 1122932 6.45 1240556 5078012 184 Average: 8862089 13922248 2025281 12.37 217099 4844707 2420700 13.89 947307 6036715 160097 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:05 lo 80.09 80.09 75.20 75.20 0.00 0.00 0.00 0.00 20:40:05 ens3 100.07 74.26 371.16 19.81 0.00 0.00 0.00 0.00 20:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:00 lo 6106.17 6106.17 5823.41 5823.41 0.00 0.00 0.00 0.00 20:50:00 ens3 80.88 60.09 27.47 20.53 0.00 0.00 0.00 0.00 20:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:06 lo 2452.97 2452.97 2325.81 2325.81 0.00 0.00 0.00 0.00 21:00:06 ens3 110.05 96.35 138.62 152.89 0.00 0.00 0.00 0.00 21:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2868.44 2868.44 2730.66 2730.66 0.00 0.00 0.00 0.00 Average: ens3 97.09 77.01 179.43 64.82 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 5.15.0-186-generic (prd-ubuntu2204-docker-4c-4g-38181) 08/16/26 _x86_64_ (4 CPU) 20:24:15 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:05 all 69.57 0.00 2.42 0.10 0.10 27.82 20:40:05 0 70.21 0.00 2.30 0.10 0.10 27.29 20:40:05 1 69.59 0.00 2.42 0.04 0.10 27.85 20:40:05 2 69.33 0.00 2.67 0.15 0.10 27.75 20:40:05 3 69.13 0.00 2.30 0.10 0.10 28.38 20:50:00 all 61.58 0.00 4.21 0.10 0.09 34.02 20:50:00 0 61.70 0.00 4.11 0.11 0.09 33.99 20:50:00 1 60.76 0.00 4.19 0.12 0.09 34.84 20:50:00 2 61.34 0.00 4.69 0.07 0.09 33.81 20:50:00 3 62.51 0.00 3.84 0.11 0.09 33.45 21:00:06 all 46.88 0.00 2.66 0.11 0.08 50.28 21:00:06 0 49.15 0.00 2.71 0.06 0.08 48.01 21:00:06 1 46.25 0.00 2.89 0.07 0.08 50.72 21:00:06 2 44.17 0.00 2.47 0.19 0.08 53.09 21:00:06 3 47.94 0.00 2.56 0.11 0.09 49.31 Average: all 59.29 0.00 3.09 0.10 0.09 37.42 Average: 0 60.31 0.00 3.03 0.09 0.09 36.48 Average: 1 58.82 0.00 3.16 0.07 0.09 37.86 Average: 2 58.23 0.00 3.27 0.14 0.09 38.27 Average: 3 59.82 0.00 2.90 0.10 0.09 37.09