---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-16248 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 10G 68G 13% / 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 634 11035 4 4318 15011 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:cf:92:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83074sec preferred_lft 83074sec inet6 fe80::f816:3eff:fecf:9221/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:e5:ca:de:19:a4 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-16248) 05/18/26 _x86_64_ (4 CPU) 06:36:19 LINUX RESTART (4 CPU) 06:40:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:50:01 1.18 0.05 1.13 0.01 2.39 16.72 223.24 07:00:02 0.92 0.00 0.92 0.00 0.04 12.52 0.00 07:10:03 0.94 0.00 0.94 0.00 0.00 12.34 0.00 07:20:01 44.36 3.79 39.97 0.60 232.30 2372.55 450.73 07:30:04 38.22 1.35 31.66 5.21 59.45 6232.03 4598.43 Average: 17.13 1.04 14.93 1.17 58.73 1734.23 1058.83 06:40:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:50:01 13767192 15528180 490820 3.00 54272 1933516 1148852 6.59 198016 2164676 12 07:00:02 13766440 15527876 491104 3.00 54668 1933528 1148852 6.59 198408 2166288 156 07:10:03 13764676 15526532 492332 3.01 55068 1933532 1148852 6.59 198828 2166964 160 07:20:01 12193972 14892492 1077112 6.58 106064 2777288 1553300 8.92 390128 3460364 307356 07:30:04 11340076 15403032 554992 3.39 144876 4028604 1112116 6.38 868420 3762104 696 Average: 12966471 15375622 621272 3.79 82990 2521294 1222394 7.02 370760 2744079 61676 06:40:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:50:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 06:50:01 ens3 0.75 0.20 0.17 0.09 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:02 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:00:02 ens3 0.59 0.13 0.11 0.06 0.00 0.00 0.00 0.00 07:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 07:10:03 ens3 0.58 0.08 0.06 0.02 0.00 0.00 0.00 0.00 07:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:01 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 07:20:01 ens3 82.15 65.67 767.77 13.12 0.00 0.00 0.00 0.00 07:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:04 lo 2251.75 2251.75 2144.04 2144.04 0.00 0.00 0.00 0.00 07:30:04 ens3 100.91 83.04 425.54 38.46 0.00 0.00 0.00 0.00 07:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 452.88 452.88 431.11 431.11 0.00 0.00 0.00 0.00 Average: ens3 37.05 29.87 238.65 10.38 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-16248) 05/18/26 _x86_64_ (4 CPU) 06:36:19 LINUX RESTART (4 CPU) 06:40:04 CPU %user %nice %system %iowait %steal %idle 06:50:01 all 0.21 0.00 0.03 0.01 0.02 99.73 06:50:01 0 0.04 0.00 0.03 0.02 0.01 99.90 06:50:01 1 0.04 0.00 0.04 0.01 0.02 99.89 06:50:01 2 0.50 0.00 0.04 0.00 0.02 99.45 06:50:01 3 0.24 0.00 0.04 0.02 0.03 99.68 07:00:02 all 0.29 0.00 0.03 0.01 0.02 99.66 07:00:02 0 0.02 0.00 0.03 0.00 0.01 99.94 07:00:02 1 0.48 0.00 0.02 0.00 0.02 99.48 07:00:02 2 0.61 0.00 0.04 0.00 0.03 99.31 07:00:02 3 0.02 0.00 0.03 0.02 0.01 99.91 07:10:03 all 0.27 0.00 0.02 0.01 0.02 99.68 07:10:03 0 0.01 0.00 0.01 0.00 0.01 99.96 07:10:03 1 0.03 0.00 0.03 0.02 0.03 99.89 07:10:03 2 0.02 0.00 0.02 0.00 0.01 99.95 07:10:03 3 1.03 0.00 0.02 0.00 0.02 98.92 07:20:01 all 6.09 0.00 0.47 0.24 0.03 93.17 07:20:01 0 4.82 0.00 0.37 0.08 0.02 94.71 07:20:01 1 4.61 0.00 0.28 0.39 0.03 94.69 07:20:01 2 5.26 0.00 0.55 0.38 0.02 93.78 07:20:01 3 9.67 0.00 0.66 0.12 0.04 89.52 07:30:04 all 61.09 0.00 2.73 0.10 0.09 35.99 07:30:04 0 59.21 0.00 2.70 0.09 0.09 37.92 07:30:04 1 64.05 0.00 2.97 0.05 0.09 32.84 07:30:04 2 62.57 0.00 2.80 0.12 0.09 34.42 07:30:04 3 58.53 0.00 2.45 0.16 0.09 38.78 Average: all 13.61 0.00 0.66 0.07 0.03 85.63 Average: 0 12.84 0.00 0.63 0.04 0.03 86.46 Average: 1 13.87 0.00 0.67 0.09 0.04 85.33 Average: 2 13.81 0.00 0.69 0.10 0.03 85.37 Average: 3 13.91 0.00 0.64 0.06 0.04 85.35