---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29877 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: 5600.00 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 727 9833 3 5428 14919 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:57:c7:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82516sec preferred_lft 82516sec inet6 fe80::f816:3eff:fe57:c769/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:86:10:1e:d7:55 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::86:10ff:fe1e:d755/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-29877) 06/23/26 _x86_64_ (4 CPU) 14:08:09 LINUX RESTART (4 CPU) 14:10:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:20:00 144.99 28.17 111.80 5.02 976.56 39357.37 10205.68 14:30:14 11.76 2.20 9.03 0.53 31.20 514.74 362.06 14:40:20 5.20 0.03 4.91 0.25 0.65 152.55 413.92 14:50:15 23.53 0.11 7.64 15.79 1.72 222.16 213892.21 15:00:01 10.43 0.11 9.87 0.46 5.10 786.72 723.02 15:10:01 7.78 0.21 7.26 0.31 9.41 210.49 644.70 Average: 33.81 5.12 24.99 3.71 170.01 6837.95 37445.37 14:10:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:20:00 151856 6140524 9785040 59.76 262720 5555848 11626612 66.74 2061308 13424316 55776 14:30:14 6398368 11153600 4777524 29.18 264896 4371292 5513448 31.65 2080648 7223816 388 14:40:20 6019380 10781448 5149644 31.45 265880 4376984 5910660 33.93 2096724 7563912 376 14:50:15 4912664 9698420 6232044 38.06 269420 4397148 6967152 39.99 2109516 8678184 236 15:00:01 6241756 11207248 4723964 28.85 276296 4563296 5483020 31.47 2135820 7311476 208 15:10:01 5630968 10626948 5303740 32.39 277776 4592152 6020340 34.56 2156188 7908448 588 Average: 4892499 9934698 5995326 36.62 269498 4642787 6920205 39.72 2106701 8685025 9595 14:10:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:20:00 lo 5.08 5.08 5.33 5.33 0.00 0.00 0.00 0.00 14:20:00 ens3 122.77 93.89 1826.39 10.49 0.00 0.00 0.00 0.00 14:20:00 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 14:30:14 lo 13.56 13.56 10.37 10.37 0.00 0.00 0.00 0.00 14:30:14 ens3 0.79 0.54 0.61 0.13 0.00 0.00 0.00 0.00 14:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:40:20 lo 10.17 10.17 4.48 4.48 0.00 0.00 0.00 0.00 14:40:20 ens3 1.26 0.58 0.38 0.25 0.00 0.00 0.00 0.00 14:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:15 lo 11.79 11.79 6.89 6.89 0.00 0.00 0.00 0.00 14:50:15 ens3 0.54 0.42 0.10 0.75 0.00 0.00 0.00 0.00 14:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 8.71 8.71 5.35 5.35 0.00 0.00 0.00 0.00 15:00:01 ens3 1.13 1.14 0.33 0.84 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 24.39 24.39 10.35 10.35 0.00 0.00 0.00 0.00 15:10:01 ens3 0.88 0.74 0.21 0.16 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 12.31 12.31 7.15 7.15 0.00 0.00 0.00 0.00 Average: ens3 21.12 16.13 303.04 2.09 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-29877) 06/23/26 _x86_64_ (4 CPU) 14:08:09 LINUX RESTART (4 CPU) 14:10:03 CPU %user %nice %system %iowait %steal %idle 14:20:00 all 54.80 0.00 2.97 0.98 0.09 41.15 14:20:00 0 55.79 0.00 2.97 1.04 0.10 40.10 14:20:00 1 57.05 0.00 2.71 1.10 0.09 39.04 14:20:00 2 52.64 0.00 3.40 0.95 0.10 42.91 14:20:00 3 53.70 0.00 2.81 0.85 0.09 42.55 14:30:14 all 15.01 0.00 0.67 0.04 0.09 84.20 14:30:14 0 15.25 0.00 0.62 0.04 0.09 84.00 14:30:14 1 14.79 0.00 0.65 0.03 0.09 84.43 14:30:14 2 15.24 0.00 0.77 0.01 0.09 83.88 14:30:14 3 14.76 0.00 0.63 0.07 0.08 84.46 14:40:20 all 8.89 0.00 0.50 0.04 0.09 90.49 14:40:20 0 8.29 0.00 0.46 0.08 0.08 91.09 14:40:20 1 9.05 0.00 0.54 0.03 0.10 90.28 14:40:20 2 8.85 0.00 0.56 0.01 0.09 90.49 14:40:20 3 9.35 0.00 0.45 0.03 0.08 90.09 14:50:15 all 16.17 0.00 0.64 0.05 0.09 83.05 14:50:15 0 17.13 0.00 0.64 0.03 0.08 82.12 14:50:15 1 15.87 0.00 0.73 0.04 0.10 83.25 14:50:15 2 15.62 0.00 0.56 0.02 0.08 83.72 14:50:15 3 16.04 0.00 0.63 0.13 0.09 83.10 15:00:01 all 12.71 0.00 0.54 0.05 0.08 86.63 15:00:01 0 12.53 0.00 0.45 0.11 0.07 86.83 15:00:01 1 13.54 0.00 0.49 0.02 0.08 85.87 15:00:01 2 12.26 0.00 0.67 0.01 0.08 86.97 15:00:01 3 12.49 0.00 0.55 0.04 0.08 86.83 15:10:01 all 15.30 0.00 0.63 0.03 0.09 83.95 15:10:01 0 14.64 0.00 0.54 0.03 0.09 84.70 15:10:01 1 15.20 0.00 0.64 0.07 0.09 84.00 15:10:01 2 15.74 0.00 0.62 0.00 0.09 83.54 15:10:01 3 15.64 0.00 0.70 0.03 0.09 83.55 Average: all 20.43 0.00 0.99 0.20 0.09 78.29 Average: 0 20.57 0.00 0.95 0.22 0.08 78.18 Average: 1 20.87 0.00 0.96 0.22 0.09 77.87 Average: 2 20.01 0.00 1.10 0.17 0.09 78.64 Average: 3 20.28 0.00 0.96 0.19 0.09 78.48