---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-13212 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 22% / 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 737 11802 4 3449 14909 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:76:b6:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.205/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82080sec preferred_lft 82080sec inet6 fe80::f816:3eff:fe76:b6c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:61:f7:64:d8:9a 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::cc61:f7ff:fe64:d89a/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-13212) 05/13/26 _x86_64_ (4 CPU) 11:30:09 LINUX RESTART (4 CPU) 11:40:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:10 87.53 20.79 63.14 3.60 333.88 7415.35 3773.54 12:00:10 22.31 5.63 15.86 0.83 113.64 378.40 900.84 12:10:01 5.84 0.19 5.43 0.22 12.79 174.09 497.71 12:20:09 7.25 0.03 6.87 0.36 1.46 233.26 641.57 12:30:10 15.09 0.05 14.35 0.69 3.18 898.30 429.70 12:40:10 5.56 0.04 5.37 0.16 0.85 141.93 380.53 Average: 23.94 4.46 18.51 0.97 77.61 1540.68 1104.29 11:40:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:10 165504 3669136 12260572 74.88 267644 3205048 13225836 75.92 2184264 13420428 248 12:00:10 4692228 7347048 8590208 52.47 266412 2437688 9485860 54.45 2012712 9160884 560 12:10:01 12630844 15308764 633648 3.87 267228 2459732 1406384 8.07 2026752 1224448 5412 12:20:09 12613264 15311852 630144 3.85 268508 2479316 1406552 8.07 2030548 1241472 9496 12:30:10 9304768 12190056 3751236 22.91 275488 2658808 4961852 28.48 2076188 4506344 424 12:40:10 7671604 10574504 5365676 32.77 276124 2675784 6073264 34.86 2089496 6114356 48 Average: 7846369 10733560 5205247 31.79 270234 2652729 6093291 34.98 2069993 5944655 2698 11:40:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:10 lo 19.93 19.93 16.79 16.79 0.00 0.00 0.00 0.00 11:50:10 ens3 2.26 1.77 0.65 0.53 0.00 0.00 0.00 0.00 11:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:10 lo 35.11 35.11 14.17 14.17 0.00 0.00 0.00 0.00 12:00:10 ens3 1.98 1.58 0.42 1.45 0.00 0.00 0.00 0.00 12:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:01 lo 22.81 22.81 9.38 9.38 0.00 0.00 0.00 0.00 12:10:01 ens3 0.81 0.56 0.17 0.13 0.00 0.00 0.00 0.00 12:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:09 lo 11.78 11.78 6.91 6.91 0.00 0.00 0.00 0.00 12:20:09 ens3 0.56 0.34 0.10 0.06 0.00 0.00 0.00 0.00 12:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:10 lo 8.67 8.67 5.22 5.22 0.00 0.00 0.00 0.00 12:30:10 ens3 1.12 0.94 0.39 0.39 0.00 0.00 0.00 0.00 12:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:10 lo 29.67 29.67 12.34 12.34 0.00 0.00 0.00 0.00 12:40:10 ens3 0.82 0.65 0.19 0.15 0.00 0.00 0.00 0.00 12:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.30 21.30 10.80 10.80 0.00 0.00 0.00 0.00 Average: ens3 1.26 0.97 0.32 0.45 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-13212) 05/13/26 _x86_64_ (4 CPU) 11:30:09 LINUX RESTART (4 CPU) 11:40:10 CPU %user %nice %system %iowait %steal %idle 11:50:10 all 54.40 0.00 2.15 0.73 0.13 42.59 11:50:10 0 55.70 0.00 2.27 0.61 0.13 41.29 11:50:10 1 53.46 0.00 1.97 0.75 0.13 43.69 11:50:10 2 53.76 0.00 2.29 0.56 0.13 43.27 11:50:10 3 54.67 0.00 2.09 1.00 0.12 42.12 12:00:10 all 34.10 0.00 1.55 0.17 0.12 64.07 12:00:10 0 33.79 0.00 1.51 0.15 0.11 64.44 12:00:10 1 34.27 0.00 1.55 0.26 0.11 63.81 12:00:10 2 33.64 0.00 1.60 0.09 0.12 64.55 12:00:10 3 34.69 0.00 1.54 0.18 0.12 63.46 12:10:01 all 11.80 0.00 0.81 0.07 0.10 87.21 12:10:01 0 11.77 0.00 0.75 0.09 0.09 87.31 12:10:01 1 11.76 0.00 1.04 0.03 0.17 87.01 12:10:01 2 11.66 0.00 0.68 0.06 0.08 87.52 12:10:01 3 12.02 0.00 0.78 0.11 0.08 87.01 12:20:09 all 16.91 0.00 0.58 0.03 0.07 82.41 12:20:09 0 16.39 0.00 0.56 0.05 0.07 82.93 12:20:09 1 16.87 0.00 0.53 0.02 0.07 82.51 12:20:09 2 17.41 0.00 0.57 0.02 0.08 81.92 12:20:09 3 16.96 0.00 0.65 0.04 0.08 82.27 12:30:10 all 20.97 0.00 0.75 6.81 0.09 71.37 12:30:10 0 21.97 0.00 0.79 6.67 0.07 70.50 12:30:10 1 20.48 0.00 0.72 7.17 0.15 71.49 12:30:10 2 21.05 0.00 0.83 6.70 0.08 71.35 12:30:10 3 20.40 0.00 0.67 6.71 0.07 72.15 12:40:10 all 12.69 0.00 0.50 0.18 0.07 86.57 12:40:10 0 12.00 0.00 0.43 0.14 0.07 87.36 12:40:10 1 13.30 0.00 0.56 0.09 0.07 85.98 12:40:10 2 13.01 0.00 0.54 0.14 0.06 86.24 12:40:10 3 12.44 0.00 0.47 0.35 0.06 86.68 Average: all 25.17 0.00 1.06 1.34 0.10 72.34 Average: 0 25.31 0.00 1.05 1.29 0.09 72.26 Average: 1 25.05 0.00 1.06 1.39 0.12 72.38 Average: 2 25.11 0.00 1.09 1.26 0.09 72.45 Average: 3 25.22 0.00 1.03 1.40 0.09 72.25