---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15595 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 802 9449 4 5737 14844 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:06:1e:ac brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83802sec preferred_lft 83802sec inet6 fe80::f816:3eff:fe06:1eac/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ae:e9:6f:84:1f:44 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-15595) 05/15/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 22.02 0.45 19.52 2.05 14.23 4761.09 2797.83 20:50:04 54.45 0.00 43.65 10.80 0.01 2648.76 32247.30 21:00:04 25.92 0.29 21.34 4.29 11.72 4518.76 10883.72 Average: 34.17 0.25 28.19 5.72 8.64 3973.99 15340.54 20:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 9416768 13477964 2475240 15.12 182012 3939996 2700260 15.50 746024 5736824 4652 20:50:04 8757148 13160796 2788564 17.03 211208 4218888 3172708 18.21 840092 6287932 14648 21:00:04 9858880 15366040 580316 3.54 239872 5237716 1126352 6.47 1203860 4749272 312 Average: 9344265 14001600 1948040 11.90 211031 4465533 2333107 13.39 929992 5591343 6537 20:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 658.23 658.23 626.52 626.52 0.00 0.00 0.00 0.00 20:40:02 ens3 97.77 71.14 325.38 20.43 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:04 lo 5821.84 5821.84 5552.57 5552.57 0.00 0.00 0.00 0.00 20:50:04 ens3 76.63 58.27 27.70 21.00 0.00 0.00 0.00 0.00 20:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:04 lo 2155.48 2155.48 2052.98 2052.98 0.00 0.00 0.00 0.00 21:00:04 ens3 60.18 49.61 96.00 28.89 0.00 0.00 0.00 0.00 21:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2883.94 2883.94 2749.19 2749.19 0.00 0.00 0.00 0.00 Average: ens3 78.17 59.66 149.38 23.44 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-15595) 05/15/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:04 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 68.79 0.00 2.59 0.05 0.09 28.48 20:40:02 0 65.87 0.00 2.38 0.04 0.09 31.62 20:40:02 1 69.46 0.00 2.53 0.05 0.09 27.87 20:40:02 2 69.96 0.00 2.73 0.04 0.08 27.19 20:40:02 3 69.86 0.00 2.75 0.07 0.08 27.23 20:50:04 all 62.13 0.00 4.30 0.11 0.08 33.39 20:50:04 0 61.73 0.00 4.39 0.10 0.08 33.71 20:50:04 1 61.94 0.00 4.09 0.09 0.08 33.81 20:50:04 2 62.84 0.00 4.53 0.06 0.08 32.49 20:50:04 3 62.02 0.00 4.18 0.18 0.08 33.54 21:00:04 all 38.83 0.00 2.33 10.41 0.08 48.35 21:00:04 0 37.76 0.00 2.46 12.12 0.07 47.59 21:00:04 1 38.12 0.00 2.26 6.09 0.09 53.45 21:00:04 2 38.07 0.00 2.21 17.97 0.09 41.66 21:00:04 3 41.38 0.00 2.38 5.44 0.08 50.72 Average: all 56.57 0.00 3.07 3.52 0.08 36.75 Average: 0 55.11 0.00 3.08 4.09 0.08 37.65 Average: 1 56.49 0.00 2.96 2.08 0.08 38.39 Average: 2 56.94 0.00 3.16 6.03 0.08 33.79 Average: 3 57.74 0.00 3.11 1.90 0.08 37.18