---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6942 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 13G 66G 16% / 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 700 8691 4 6597 14946 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:32:36:fb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.62/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84056sec preferred_lft 84056sec inet6 fe80::f816:3eff:fe32:36fb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:58:bd:04:0f:23 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-6942) 04/23/26 _x86_64_ (4 CPU) 06:57:41 LINUX RESTART (4 CPU) 07:00:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:07 28.64 3.02 22.89 2.73 164.97 3816.73 6106.93 07:20:07 25.91 0.02 23.25 2.64 0.23 2248.77 8376.01 07:30:07 16.76 0.03 15.14 1.59 0.72 3564.57 6568.23 Average: 23.75 1.02 20.42 2.32 54.95 3208.03 7020.04 07:00:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:07 9922420 13337848 2621252 16.01 135436 3411616 2785452 15.99 653520 5416036 12284 07:20:07 8147236 12170576 3784464 23.11 155516 3956760 3886552 22.31 796684 7009148 207632 07:30:07 5335528 9995460 5957364 36.39 168484 4557808 5715312 32.81 1020672 9539676 148 Average: 7801728 11834628 4121027 25.17 153145 3975395 4129105 23.70 823625 7321620 73355 07:00:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:07 lo 1513.53 1513.53 1436.75 1436.75 0.00 0.00 0.00 0.00 07:10:07 ens3 119.19 91.10 968.63 19.79 0.00 0.00 0.00 0.00 07:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:07 lo 1149.29 1149.29 1094.90 1094.90 0.00 0.00 0.00 0.00 07:20:07 ens3 36.66 29.67 42.29 10.15 0.00 0.00 0.00 0.00 07:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:07 lo 737.03 737.03 7312.98 7312.98 0.00 0.00 0.00 0.00 07:30:07 ens3 21.53 16.18 15.62 6.65 0.00 0.00 0.00 0.00 07:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1132.03 1132.03 3287.63 3287.63 0.00 0.00 0.00 0.00 Average: ens3 58.93 45.50 340.12 12.17 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-6942) 04/23/26 _x86_64_ (4 CPU) 06:57:41 LINUX RESTART (4 CPU) 07:00:13 CPU %user %nice %system %iowait %steal %idle 07:10:07 all 58.19 0.00 2.44 0.33 0.18 38.86 07:10:07 0 58.39 0.00 2.33 0.79 0.15 38.34 07:10:07 1 58.37 0.00 2.22 0.19 0.19 39.03 07:10:07 2 57.33 0.00 2.62 0.16 0.20 39.68 07:10:07 3 58.69 0.00 2.57 0.19 0.16 38.39 07:20:07 all 66.65 0.00 2.37 0.45 0.14 30.39 07:20:07 0 66.88 0.00 2.12 0.13 0.14 30.74 07:20:07 1 66.15 0.00 2.23 0.54 0.14 30.95 07:20:07 2 65.99 0.00 2.49 0.64 0.14 30.74 07:20:07 3 67.60 0.00 2.65 0.48 0.14 29.13 07:30:07 all 44.96 0.00 1.66 0.27 0.11 52.99 07:30:07 0 45.20 0.00 1.82 0.09 0.12 52.77 07:30:07 1 42.71 0.00 1.46 0.27 0.10 55.45 07:30:07 2 44.81 0.00 1.85 0.33 0.11 52.90 07:30:07 3 47.13 0.00 1.51 0.39 0.12 50.85 Average: all 56.59 0.00 2.15 0.35 0.14 40.77 Average: 0 56.81 0.00 2.09 0.33 0.14 40.63 Average: 1 55.72 0.00 1.97 0.33 0.14 41.83 Average: 2 56.02 0.00 2.32 0.38 0.15 41.13 Average: 3 57.79 0.00 2.24 0.36 0.14 39.47