---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-37557 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 692 10255 4 5041 14954 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:75:5c:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84463sec preferred_lft 84463sec inet6 fe80::f816:3eff:fe75:5c10/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:5e:4c:15:84:07 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-37557) 07/21/26 _x86_64_ (4 CPU) 12:38:01 LINUX RESTART (4 CPU) 12:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 31.10 3.04 13.66 14.41 184.65 4206.95 268129.61 13:00:20 17.55 0.75 15.24 1.57 27.04 2988.23 3086.54 13:10:06 22.41 0.28 17.91 4.22 14.79 2245.31 4190.69 Average: 23.59 1.35 15.59 6.66 74.88 3146.75 90612.73 12:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 10362764 13823032 2136016 13.05 130764 3455124 2568260 14.74 560268 5071516 28028 13:00:20 8982268 13311956 2639060 16.12 167548 4211672 2798064 16.06 780528 6123132 9012 13:10:06 10528584 15334948 613532 3.75 178696 4652200 1127292 6.47 940200 4393488 12488 Average: 9957872 14156645 1796203 10.97 159003 4106332 2164539 12.42 760332 5196045 16509 12:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.89 0.89 0.09 0.09 0.00 0.00 0.00 0.00 12:50:01 ens3 95.22 72.21 1008.98 15.89 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:20 lo 471.91 471.91 449.01 449.01 0.00 0.00 0.00 0.00 13:00:20 ens3 77.88 57.03 318.20 16.40 0.00 0.00 0.00 0.00 13:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:06 lo 1234.55 1234.55 1163.22 1163.22 0.00 0.00 0.00 0.00 13:10:06 ens3 89.23 88.41 144.26 190.76 0.00 0.00 0.00 0.00 13:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 565.72 565.72 534.29 534.29 0.00 0.00 0.00 0.00 Average: ens3 87.28 72.25 488.65 73.10 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-37557) 07/21/26 _x86_64_ (4 CPU) 12:38:01 LINUX RESTART (4 CPU) 12:40:10 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 44.44 0.00 1.57 0.16 0.11 53.71 12:50:01 0 44.49 0.00 1.30 0.20 0.11 53.90 12:50:01 1 44.67 0.00 1.83 0.12 0.12 53.27 12:50:01 2 44.45 0.00 1.63 0.13 0.11 53.67 12:50:01 3 44.15 0.00 1.53 0.19 0.12 54.01 13:00:20 all 70.04 0.00 2.47 0.04 0.16 27.29 13:00:20 0 70.61 0.00 2.37 0.03 0.16 26.84 13:00:20 1 69.75 0.00 2.77 0.05 0.16 27.27 13:00:20 2 69.75 0.00 2.42 0.05 0.16 27.63 13:00:20 3 70.07 0.00 2.31 0.03 0.15 27.43 13:10:06 all 33.75 0.00 1.77 0.57 0.19 63.72 13:10:06 0 32.53 0.00 1.75 0.14 0.12 65.47 13:10:06 1 31.72 0.00 1.57 0.08 0.34 66.29 13:10:06 2 38.78 0.00 1.96 0.91 0.13 58.23 13:10:06 3 31.97 0.00 1.81 1.16 0.17 64.88 Average: all 49.78 0.00 1.95 0.25 0.15 47.87 Average: 0 49.59 0.00 1.81 0.12 0.13 48.35 Average: 1 49.08 0.00 2.07 0.08 0.20 48.57 Average: 2 51.33 0.00 2.01 0.36 0.13 46.17 Average: 3 49.12 0.00 1.89 0.45 0.15 48.38