---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37750 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: 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: 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 603 10471 4 4914 15043 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:55:cb:de brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84360sec preferred_lft 84360sec inet6 fe80::f816:3eff:fe55:cbde/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 76:04:bc:3b:3b:5c 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-37750) 07/22/26 _x86_64_ (4 CPU) 09:49:20 LINUX RESTART (4 CPU) 09:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:06 36.83 4.29 31.89 0.65 258.52 4079.87 815.90 10:10:06 16.17 11.94 4.07 0.16 138.50 601.34 17.63 10:20:06 13.59 0.51 12.22 0.86 18.97 1899.62 2156.27 Average: 22.23 5.58 16.10 0.56 138.95 2198.21 996.26 09:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:06 11111828 14059640 1904692 11.63 109948 3006304 2351396 13.50 455824 4460656 34276 10:10:06 8307076 11443412 4518680 27.60 117044 3162548 4702204 26.99 534184 7164528 712 10:20:06 8826244 12669908 3288040 20.08 136400 3811860 3403920 19.54 747672 6397316 269532 Average: 9415049 12724320 3237137 19.77 121131 3326904 3485840 20.01 579227 6007500 101507 09:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:06 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 10:00:06 ens3 91.80 68.65 906.18 12.35 0.00 0.00 0.00 0.00 10:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:06 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:10:06 ens3 9.13 7.27 36.17 1.56 0.00 0.00 0.00 0.00 10:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:06 lo 267.83 267.83 254.34 254.34 0.00 0.00 0.00 0.00 10:20:06 ens3 37.23 26.89 412.80 3.58 0.00 0.00 0.00 0.00 10:20:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 89.40 89.40 84.72 84.72 0.00 0.00 0.00 0.00 Average: ens3 46.17 34.35 452.83 5.85 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-37750) 07/22/26 _x86_64_ (4 CPU) 09:49:20 LINUX RESTART (4 CPU) 09:50:01 CPU %user %nice %system %iowait %steal %idle 10:00:06 all 19.08 0.00 0.76 0.31 0.05 79.79 10:00:06 0 18.19 0.00 0.63 0.10 0.05 81.03 10:00:06 1 17.57 0.00 0.68 0.19 0.05 81.50 10:00:06 2 18.90 0.00 0.80 0.42 0.05 79.84 10:00:06 3 21.67 0.00 0.94 0.55 0.05 76.79 10:10:06 all 48.30 0.08 0.70 0.07 0.10 50.75 10:10:06 0 45.67 0.00 0.76 0.01 0.10 53.47 10:10:06 1 42.17 0.30 0.72 0.20 0.09 56.52 10:10:06 2 61.78 0.02 0.66 0.04 0.11 37.39 10:10:06 3 43.60 0.00 0.67 0.02 0.10 55.62 10:20:06 all 54.44 0.00 1.08 0.04 0.10 44.34 10:20:06 0 83.23 0.00 1.21 0.05 0.14 15.37 10:20:06 1 45.99 0.00 0.95 0.01 0.10 52.95 10:20:06 2 49.29 0.00 0.94 0.03 0.09 49.65 10:20:06 3 39.26 0.00 1.22 0.06 0.08 59.37 Average: all 40.56 0.03 0.85 0.14 0.08 58.35 Average: 0 48.95 0.00 0.87 0.05 0.09 50.04 Average: 1 35.21 0.10 0.79 0.13 0.08 63.70 Average: 2 43.26 0.00 0.80 0.16 0.08 55.69 Average: 3 34.81 0.00 0.94 0.21 0.08 63.96