---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20775 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 12G 67G 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 759 9203 4 6026 14887 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:ba:71:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83996sec preferred_lft 83996sec inet6 fe80::f816:3eff:feba:71bc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:b3:ad:b3:c1:bb 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-20775) 05/27/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:03 15.80 1.73 12.94 1.13 120.45 4256.72 2070.27 20:50:03 58.05 0.31 46.65 11.09 9.40 3661.32 8830.40 21:00:03 32.82 0.29 27.18 5.34 11.72 4902.27 7199.20 Average: 35.56 0.78 28.92 5.86 47.19 4273.44 6033.29 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:03 9395316 13597708 2356212 14.39 177084 4086016 2618656 15.03 828324 5684684 248688 20:50:03 8719716 13351964 2596732 15.86 206936 4447900 2896764 16.63 957532 6201220 20996 21:00:03 9551016 15355576 588804 3.60 242184 5522792 1117808 6.42 1341124 4895128 260 Average: 9222016 14101749 1847249 11.28 208735 4685569 2211076 12.69 1042327 5593677 89981 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:03 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 20:40:03 ens3 75.23 61.35 140.10 19.37 0.00 0.00 0.00 0.00 20:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 5627.11 5627.11 5366.44 5366.44 0.00 0.00 0.00 0.00 20:50:03 ens3 88.92 64.46 239.62 19.13 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 2572.65 2572.65 2442.98 2442.98 0.00 0.00 0.00 0.00 21:00:03 ens3 98.91 85.96 110.62 120.61 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2733.72 2733.72 2603.19 2603.19 0.00 0.00 0.00 0.00 Average: ens3 87.68 70.59 163.45 53.04 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-20775) 05/27/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:03 all 70.41 0.00 2.37 0.04 0.10 27.07 20:40:03 0 69.46 0.00 2.54 0.02 0.10 27.87 20:40:03 1 72.84 0.00 2.53 0.04 0.11 24.48 20:40:03 2 68.50 0.00 2.28 0.08 0.11 29.03 20:40:03 3 70.82 0.00 2.14 0.03 0.10 26.91 20:50:03 all 59.31 0.00 4.06 0.09 0.09 36.45 20:50:03 0 57.30 0.00 3.97 0.06 0.09 38.58 20:50:03 1 59.13 0.00 4.31 0.11 0.10 36.36 20:50:03 2 60.98 0.00 4.12 0.10 0.09 34.71 20:50:03 3 59.82 0.00 3.84 0.10 0.09 36.15 21:00:03 all 49.36 0.00 2.79 0.09 0.08 47.68 21:00:03 0 50.51 0.00 2.66 0.05 0.08 46.69 21:00:03 1 48.61 0.00 3.04 0.06 0.08 48.21 21:00:03 2 48.62 0.00 2.76 0.06 0.08 48.49 21:00:03 3 49.70 0.00 2.69 0.22 0.08 47.32 Average: all 59.69 0.00 3.07 0.07 0.09 37.06 Average: 0 59.10 0.00 3.06 0.04 0.09 37.72 Average: 1 60.20 0.00 3.29 0.07 0.09 36.35 Average: 2 59.37 0.00 3.05 0.08 0.09 37.41 Average: 3 60.12 0.00 2.89 0.11 0.09 36.79