---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1716 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 67G 14% / 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 703 10250 4 5035 14943 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:c0:be:8b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83937sec preferred_lft 83937sec inet6 fe80::f816:3eff:fec0:be8b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:33:4e:64:f2:7d 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1716) 08/03/26 _x86_64_ (4 CPU) 05:15:15 LINUX RESTART (4 CPU) 05:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:04 4.97 0.24 4.34 0.38 29.08 791.55 28330.83 05:40:04 12.70 1.93 9.98 0.80 124.19 2760.17 2025.82 05:50:04 27.56 0.77 23.30 3.48 27.93 4180.12 3845.53 Average: 15.08 0.98 12.54 1.55 60.38 2577.41 11402.97 05:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:04 12787804 15472408 497232 3.04 104028 2766620 996752 5.72 361652 2873812 340 05:40:04 10543952 14098024 1859884 11.36 137160 3532376 2485440 14.27 579392 4864044 22928 05:50:04 8212096 12896488 3052976 18.65 173204 4544548 3425224 19.66 884252 6773240 12220 Average: 10514617 14155640 1803364 11.01 138131 3614515 2302472 13.22 608432 4837032 11829 05:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:04 lo 0.15 0.15 0.01 0.01 0.00 0.00 0.00 0.00 05:30:04 ens3 43.43 30.27 505.57 2.55 0.00 0.00 0.00 0.00 05:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:04 lo 1.07 1.07 0.10 0.10 0.00 0.00 0.00 0.00 05:40:04 ens3 96.53 76.87 619.53 17.10 0.00 0.00 0.00 0.00 05:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:04 lo 1682.33 1682.33 1603.50 1603.50 0.00 0.00 0.00 0.00 05:50:04 ens3 89.64 68.03 428.28 17.89 0.00 0.00 0.00 0.00 05:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 561.50 561.50 534.84 534.84 0.00 0.00 0.00 0.00 Average: ens3 76.53 58.39 517.75 12.51 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1716) 08/03/26 _x86_64_ (4 CPU) 05:15:15 LINUX RESTART (4 CPU) 05:20:04 CPU %user %nice %system %iowait %steal %idle 05:30:04 all 0.46 0.00 0.16 0.08 0.02 99.28 05:30:04 0 0.53 0.00 0.21 0.09 0.01 99.16 05:30:04 1 0.56 0.00 0.20 0.03 0.02 99.20 05:30:04 2 0.37 0.00 0.14 0.11 0.02 99.35 05:30:04 3 0.38 0.00 0.09 0.08 0.02 99.42 05:40:04 all 53.78 0.00 1.74 0.04 0.09 44.36 05:40:04 0 53.11 0.00 1.78 0.09 0.09 44.93 05:40:04 1 54.38 0.00 1.69 0.01 0.09 43.83 05:40:04 2 52.71 0.00 1.87 0.04 0.09 45.30 05:40:04 3 54.90 0.00 1.62 0.03 0.08 43.37 05:50:04 all 67.24 0.00 2.88 0.08 0.09 29.71 05:50:04 0 69.18 0.00 2.90 0.05 0.10 27.77 05:50:04 1 66.25 0.00 2.97 0.09 0.09 30.60 05:50:04 2 66.54 0.00 3.13 0.14 0.09 30.10 05:50:04 3 66.98 0.00 2.50 0.05 0.09 30.38 Average: all 40.47 0.00 1.59 0.07 0.07 57.81 Average: 0 40.91 0.00 1.63 0.08 0.07 57.32 Average: 1 40.37 0.00 1.62 0.04 0.06 57.90 Average: 2 39.84 0.00 1.71 0.09 0.07 58.29 Average: 3 40.75 0.00 1.40 0.05 0.07 57.73