---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-27533 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 18G 61G 23% / 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 712 10015 4 5261 14934 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:97:f3:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82545sec preferred_lft 82545sec inet6 fe80::f816:3eff:fe97:f31a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:0d:ef:36:d0:45 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 inet6 fe80::700d:efff:fe36:d045/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-27533) 06/15/26 _x86_64_ (4 CPU) 05:49:41 LINUX RESTART (4 CPU) 05:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:01 158.06 15.68 136.69 5.69 2193.42 43856.14 13913.99 06:10:18 41.88 21.27 19.44 1.16 304.23 1660.50 1744.92 06:20:17 5.17 0.05 4.90 0.23 1.34 150.49 381.36 06:30:18 7.63 0.02 7.21 0.39 1.37 249.55 974.23 06:40:18 10.94 0.06 10.41 0.46 1.60 760.75 575.48 06:50:02 7.07 0.08 6.72 0.28 3.18 198.16 201.90 Average: 38.63 6.30 30.96 1.37 419.01 7820.19 2973.07 05:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:01 603808 12376320 3541456 21.63 265556 11228216 4733548 27.17 2251428 12666768 54352 06:10:18 6571748 11159908 4770764 29.14 272768 4208728 5533184 31.76 2351744 6796640 56 06:20:17 6497016 11092784 4838068 29.55 273748 4215196 5593820 32.11 2366868 6847036 84 06:30:18 5096416 9708896 6221128 38.00 275276 4230396 7027564 40.34 2373424 8236832 348 06:40:18 6510336 11305648 4624648 28.25 281928 4395636 5373804 30.85 2396752 6785824 56 06:50:02 5818024 10640020 5290072 32.31 283032 4421108 6041852 34.68 2417108 7469268 748 Average: 5182891 11047263 4881023 29.81 275385 5449880 5717295 32.82 2359554 8133728 9274 05:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:01 lo 3.38 3.38 2.36 2.36 0.00 0.00 0.00 0.00 06:00:01 ens3 171.43 123.56 2162.96 17.52 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:18 lo 13.91 13.91 12.64 12.64 0.00 0.00 0.00 0.00 06:10:18 ens3 0.87 0.72 0.23 0.22 0.00 0.00 0.00 0.00 06:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:17 lo 11.37 11.37 4.96 4.96 0.00 0.00 0.00 0.00 06:20:17 ens3 0.56 0.44 0.11 0.09 0.00 0.00 0.00 0.00 06:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:18 lo 9.82 9.82 6.08 6.08 0.00 0.00 0.00 0.00 06:30:18 ens3 0.56 0.43 0.12 0.09 0.00 0.00 0.00 0.00 06:30:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:18 lo 10.59 10.59 5.93 5.93 0.00 0.00 0.00 0.00 06:40:18 ens3 0.97 0.77 0.33 0.30 0.00 0.00 0.00 0.00 06:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:02 lo 21.31 21.31 9.21 9.21 0.00 0.00 0.00 0.00 06:50:02 ens3 0.95 0.98 0.18 1.13 0.00 0.00 0.00 0.00 06:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 11.69 11.69 6.88 6.88 0.00 0.00 0.00 0.00 Average: ens3 29.23 21.15 360.68 3.22 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-16g-27533) 06/15/26 _x86_64_ (4 CPU) 05:49:41 LINUX RESTART (4 CPU) 05:50:00 CPU %user %nice %system %iowait %steal %idle 06:00:01 all 47.59 0.00 2.74 0.91 0.09 48.68 06:00:01 0 47.98 0.00 2.96 0.82 0.09 48.15 06:00:01 1 45.43 0.00 2.39 0.66 0.09 51.43 06:00:01 2 50.70 0.00 3.03 0.88 0.09 45.30 06:00:01 3 46.23 0.00 2.57 1.27 0.09 49.84 06:10:18 all 21.59 0.00 0.98 0.10 0.08 77.25 06:10:18 0 21.24 0.00 0.94 0.14 0.08 77.61 06:10:18 1 22.15 0.00 0.92 0.08 0.09 76.76 06:10:18 2 22.95 0.00 0.97 0.14 0.09 75.86 06:10:18 3 20.02 0.00 1.08 0.04 0.08 78.78 06:20:17 all 8.80 0.00 0.40 0.03 0.07 90.71 06:20:17 0 8.75 0.00 0.37 0.01 0.06 90.82 06:20:17 1 8.51 0.00 0.47 0.04 0.07 90.92 06:20:17 2 9.37 0.00 0.38 0.04 0.08 90.13 06:20:17 3 8.56 0.00 0.38 0.01 0.07 90.98 06:30:18 all 16.61 0.00 0.74 1.43 0.07 81.15 06:30:18 0 16.74 0.00 0.71 3.09 0.06 79.40 06:30:18 1 16.26 0.00 0.72 1.45 0.07 81.50 06:30:18 2 16.77 0.00 0.82 1.12 0.07 81.22 06:30:18 3 16.68 0.00 0.70 0.05 0.07 82.50 06:40:18 all 13.25 0.00 0.65 0.05 0.06 85.99 06:40:18 0 12.30 0.00 0.61 0.13 0.06 86.90 06:40:18 1 14.14 0.00 0.71 0.02 0.07 85.06 06:40:18 2 13.62 0.00 0.64 0.03 0.07 85.66 06:40:18 3 12.93 0.00 0.64 0.01 0.06 86.35 06:50:02 all 15.94 0.00 0.57 0.03 0.07 83.38 06:50:02 0 15.62 0.00 0.54 0.04 0.06 83.74 06:50:02 1 15.65 0.00 0.54 0.02 0.07 83.73 06:50:02 2 16.39 0.00 0.65 0.04 0.07 82.85 06:50:02 3 16.12 0.00 0.56 0.04 0.07 83.22 Average: all 20.66 0.00 1.01 0.43 0.07 77.83 Average: 0 20.47 0.00 1.02 0.71 0.07 77.73 Average: 1 20.39 0.00 0.96 0.38 0.08 78.20 Average: 2 21.66 0.00 1.08 0.38 0.08 76.81 Average: 3 20.11 0.00 0.99 0.24 0.07 78.59