---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20397 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 12G 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 727 9645 4 5616 14919 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:d1:a6:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84514sec preferred_lft 84514sec inet6 fe80::f816:3eff:fed1:a616/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:51:45:d0:47:c4 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-20397) 05/26/26 _x86_64_ (4 CPU) 14:40:19 LINUX RESTART (4 CPU) 14:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:00:01 33.06 0.04 29.58 3.44 1.28 3157.37 13640.95 15:10:06 18.86 0.29 16.22 2.34 11.67 5613.10 2726.30 Average: 25.90 0.17 22.84 2.89 6.52 4395.64 8137.37 14:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:00:01 8576020 12791432 3161052 19.31 177316 4085380 3523360 20.22 824564 6508572 18752 15:10:06 9994972 15383372 563112 3.44 202900 5164568 1110420 6.37 911836 4910616 172 Average: 9285496 14087402 1862082 11.37 190108 4624974 2316890 13.30 868200 5709594 9462 14:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:00:01 lo 1575.46 1575.46 1501.89 1501.89 0.00 0.00 0.00 0.00 15:00:01 ens3 48.17 35.77 119.11 11.19 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:06 lo 114.61 114.61 101.00 101.00 0.00 0.00 0.00 0.00 15:10:06 ens3 65.30 61.16 114.11 187.95 0.00 0.00 0.00 0.00 15:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 838.85 838.85 795.51 795.51 0.00 0.00 0.00 0.00 Average: ens3 56.81 48.58 116.59 100.32 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-20397) 05/26/26 _x86_64_ (4 CPU) 14:40:19 LINUX RESTART (4 CPU) 14:50:06 CPU %user %nice %system %iowait %steal %idle 15:00:01 all 62.53 0.00 2.67 0.15 0.13 34.52 15:00:01 0 64.59 0.00 2.69 0.15 0.14 32.43 15:00:01 1 61.59 0.00 2.62 0.19 0.13 35.48 15:00:01 2 59.84 0.00 2.69 0.14 0.13 37.21 15:00:01 3 64.10 0.00 2.68 0.13 0.13 32.97 15:10:06 all 48.93 0.00 1.74 0.09 0.11 49.14 15:10:06 0 42.95 0.00 1.49 0.11 0.10 55.35 15:10:06 1 49.24 0.00 1.64 0.03 0.11 48.97 15:10:06 2 53.53 0.00 2.01 0.10 0.12 44.24 15:10:06 3 49.99 0.00 1.83 0.11 0.11 47.96 Average: all 55.66 0.00 2.20 0.12 0.12 41.90 Average: 0 53.66 0.00 2.08 0.13 0.12 44.01 Average: 1 55.36 0.00 2.12 0.11 0.12 42.29 Average: 2 56.66 0.00 2.35 0.12 0.12 40.76 Average: 3 56.97 0.00 2.25 0.12 0.12 40.54