---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31062 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 14% / 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 677 10363 4 4947 14969 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:da:3c:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84571sec preferred_lft 84571sec inet6 fe80::f816:3eff:feda:3ca2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:17:54:e7:b1:72 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-31062) 06/27/26 _x86_64_ (4 CPU) 09:10:31 LINUX RESTART (4 CPU) 09:20:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 12.13 0.45 10.53 1.15 17.89 2334.84 2639.13 09:40:07 27.68 0.72 22.70 4.26 23.95 3785.22 2370.39 Average: 20.06 0.59 16.74 2.74 20.98 3074.61 2502.06 09:20:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 9422348 13168400 2788072 17.03 148920 3687736 3083576 17.70 706112 5823808 24684 09:40:07 10699084 15406584 542992 3.32 174908 4560644 1047272 6.01 965832 4199100 3140 Average: 10060716 14287492 1665532 10.17 161914 4124190 2065424 11.86 835972 5011454 13912 09:20:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 70.64 54.53 103.56 18.05 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:07 lo 1598.32 1598.32 1510.40 1510.40 0.00 0.00 0.00 0.00 09:40:07 ens3 137.39 115.49 418.53 195.45 0.00 0.00 0.00 0.00 09:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 815.92 815.92 770.45 770.45 0.00 0.00 0.00 0.00 Average: ens3 104.69 85.62 264.21 108.53 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-31062) 06/27/26 _x86_64_ (4 CPU) 09:10:31 LINUX RESTART (4 CPU) 09:20:19 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 72.29 0.00 2.22 0.03 0.09 25.38 09:30:01 0 71.21 0.00 1.91 0.01 0.09 26.78 09:30:01 1 74.11 0.00 2.32 0.05 0.09 23.43 09:30:01 2 72.57 0.00 2.42 0.03 0.09 24.89 09:30:01 3 71.26 0.00 2.21 0.02 0.09 26.42 09:40:07 all 46.99 0.00 2.23 0.08 0.08 50.61 09:40:07 0 43.94 0.00 2.07 0.07 0.08 53.84 09:40:07 1 45.84 0.00 1.96 0.07 0.09 52.04 09:40:07 2 50.05 0.00 2.19 0.08 0.08 47.60 09:40:07 3 48.14 0.00 2.71 0.09 0.08 48.97 Average: all 59.38 0.00 2.22 0.05 0.08 38.25 Average: 0 57.30 0.00 1.99 0.04 0.08 40.58 Average: 1 59.69 0.00 2.13 0.06 0.09 38.03 Average: 2 61.08 0.00 2.30 0.06 0.08 36.48 Average: 3 59.47 0.00 2.46 0.06 0.08 37.93