---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-15721 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 11G 67G 15% / 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 696 9748 4 5544 14950 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:96:10:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84479sec preferred_lft 84479sec inet6 fe80::f816:3eff:fe96:10c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:a1:e2:b6:a9:2e 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-15721) 05/16/26 _x86_64_ (4 CPU) 06:28:19 LINUX RESTART (4 CPU) 06:30:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:10 17.79 2.64 14.29 0.86 147.38 4606.01 861.21 06:50:10 37.16 0.07 33.17 3.92 1.79 3536.87 22681.82 07:00:11 22.23 0.32 18.90 3.01 14.48 5695.09 3735.62 Average: 25.73 1.01 22.12 2.59 54.51 4612.78 9095.49 06:30:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:10 9325916 13059916 2897556 17.70 149564 3678536 3225168 18.51 660464 5971484 226248 06:50:10 8607296 12927956 3024592 18.47 177988 4187732 3253724 18.68 846760 6453208 191080 07:00:11 9985536 15305992 641192 3.92 204640 5100148 1170860 6.72 926576 4905712 12836 Average: 9306249 13764621 2187780 13.36 177397 4322139 2549917 14.64 811267 5776801 143388 06:30:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:10 lo 399.49 399.49 380.61 380.61 0.00 0.00 0.00 0.00 06:40:10 ens3 100.78 80.31 832.41 15.88 0.00 0.00 0.00 0.00 06:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:10 lo 1784.33 1784.33 1701.32 1701.32 0.00 0.00 0.00 0.00 06:50:10 ens3 48.49 38.13 129.14 12.04 0.00 0.00 0.00 0.00 06:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:11 lo 12.10 12.10 1.21 1.21 0.00 0.00 0.00 0.00 07:00:11 ens3 80.65 75.56 123.28 229.76 0.00 0.00 0.00 0.00 07:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 732.02 732.02 694.43 694.43 0.00 0.00 0.00 0.00 Average: ens3 76.63 64.66 361.40 85.94 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-15721) 05/16/26 _x86_64_ (4 CPU) 06:28:19 LINUX RESTART (4 CPU) 06:30:10 CPU %user %nice %system %iowait %steal %idle 06:40:10 all 42.93 0.00 1.42 0.05 0.07 55.54 06:40:10 0 42.80 0.00 1.59 0.03 0.07 55.51 06:40:10 1 43.90 0.00 1.08 0.06 0.07 54.89 06:40:10 2 42.32 0.00 1.56 0.06 0.07 56.00 06:40:10 3 42.69 0.00 1.43 0.07 0.07 55.76 06:50:10 all 63.26 0.00 2.64 0.06 0.09 33.95 06:50:10 0 63.34 0.00 2.47 0.06 0.09 34.04 06:50:10 1 61.49 0.00 2.85 0.09 0.09 35.48 06:50:10 2 64.26 0.00 2.74 0.05 0.09 32.86 06:50:10 3 63.94 0.00 2.50 0.04 0.09 33.43 07:00:11 all 44.72 0.00 1.58 0.08 0.07 53.55 07:00:11 0 43.19 0.00 1.48 0.08 0.07 55.18 07:00:11 1 40.82 0.00 1.46 0.08 0.07 57.58 07:00:11 2 48.08 0.00 2.03 0.03 0.07 49.79 07:00:11 3 46.77 0.00 1.37 0.14 0.07 51.65 Average: all 50.29 0.00 1.88 0.06 0.08 47.69 Average: 0 49.76 0.00 1.85 0.06 0.08 48.26 Average: 1 48.73 0.00 1.80 0.08 0.07 49.33 Average: 2 51.54 0.00 2.11 0.05 0.08 46.23 Average: 3 51.12 0.00 1.76 0.08 0.08 46.95