---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11302 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 13G 66G 16% / 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 632 8732 4 6624 15014 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:7c:93:f8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.86/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84410sec preferred_lft 84410sec inet6 fe80::f816:3eff:fe7c:93f8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:0d:c3:77:ce:91 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-11302) 05/06/26 _x86_64_ (4 CPU) 07:19:19 LINUX RESTART (4 CPU) 07:20:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:11 56.52 4.76 48.51 3.25 276.54 5965.40 5624.69 07:40:12 27.80 0.02 24.87 2.91 0.23 2277.16 11496.58 07:50:13 16.20 0.03 14.76 1.41 0.73 3550.74 5991.35 Average: 33.58 1.61 29.44 2.53 93.04 3937.00 7698.40 07:20:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:11 9873588 13332036 2627188 16.05 136732 3451524 2848828 16.35 663908 5459976 19684 07:40:12 9167856 13037732 2917800 17.82 156840 3808716 2957320 16.97 772272 6013828 34052 07:50:13 5529124 10249868 5702940 34.83 166508 4617724 5391732 30.95 1022632 9327100 27048 Average: 8190189 12206545 3749309 22.90 153360 3959321 3732627 21.43 819604 6933635 26928 07:20:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:11 lo 1350.32 1350.32 1280.43 1280.43 0.00 0.00 0.00 0.00 07:30:11 ens3 142.91 110.00 1160.60 23.13 0.00 0.00 0.00 0.00 07:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:12 lo 1321.70 1321.70 1258.90 1258.90 0.00 0.00 0.00 0.00 07:40:12 ens3 38.69 31.63 23.47 11.29 0.00 0.00 0.00 0.00 07:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:13 lo 2565.48 2565.48 9359.27 9359.27 0.00 0.00 0.00 0.00 07:50:13 ens3 24.34 19.87 14.97 6.70 0.00 0.00 0.00 0.00 07:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1744.61 1744.61 3957.90 3957.90 0.00 0.00 0.00 0.00 Average: ens3 68.86 54.00 401.91 13.73 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-11302) 05/06/26 _x86_64_ (4 CPU) 07:19:19 LINUX RESTART (4 CPU) 07:20:04 CPU %user %nice %system %iowait %steal %idle 07:30:11 all 60.88 0.00 2.71 0.39 0.09 35.93 07:30:11 0 62.52 0.00 3.01 0.44 0.09 33.95 07:30:11 1 59.60 0.00 2.47 0.18 0.09 37.65 07:30:11 2 62.00 0.00 2.74 0.21 0.10 34.94 07:30:11 3 59.39 0.00 2.61 0.73 0.10 37.17 07:40:12 all 66.23 0.00 2.38 0.09 0.10 31.19 07:40:12 0 65.28 0.00 2.61 0.06 0.10 31.95 07:40:12 1 64.36 0.00 2.46 0.09 0.11 32.99 07:40:12 2 66.97 0.00 2.13 0.09 0.10 30.71 07:40:12 3 68.33 0.00 2.32 0.13 0.11 29.12 07:50:13 all 45.16 0.00 1.70 0.11 0.09 52.94 07:50:13 0 43.53 0.00 2.17 0.10 0.09 54.11 07:50:13 1 42.63 0.00 1.67 0.15 0.08 55.46 07:50:13 2 53.44 0.00 1.68 0.08 0.09 44.71 07:50:13 3 41.06 0.00 1.29 0.10 0.08 57.46 Average: all 57.43 0.00 2.26 0.20 0.10 40.02 Average: 0 57.12 0.00 2.60 0.20 0.09 39.99 Average: 1 55.53 0.00 2.20 0.14 0.09 42.03 Average: 2 60.81 0.00 2.19 0.13 0.10 36.78 Average: 3 56.25 0.00 2.07 0.32 0.10 41.25