---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25158 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 718 9362 4 5908 14927 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:35:67:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84242sec preferred_lft 84242sec inet6 fe80::f816:3eff:fe35:67c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a6:6e:b5:b3:7b:64 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-25158) 06/05/26 _x86_64_ (4 CPU) 15:46:00 LINUX RESTART (4 CPU) 15:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:00 25.50 3.06 20.73 1.70 551.77 4953.71 15037.13 16:10:01 32.83 0.04 29.36 3.43 1.26 3101.46 23559.22 16:20:10 17.61 0.30 15.08 2.23 11.63 5680.31 2413.33 Average: 25.28 1.12 21.70 2.46 186.53 4582.38 13617.11 15:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:00 9614476 13546016 2409748 14.72 157300 3860068 3019084 17.33 838460 5499220 21052 16:10:01 9021472 13486924 2464228 15.05 183820 4323064 2746360 15.76 985904 5881744 12892 16:20:10 9677176 15364808 580584 3.55 208388 5451736 1106812 6.35 1062776 5054092 276 Average: 9437708 14132583 1818187 11.10 183169 4544956 2290752 13.15 962380 5478352 11407 15:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:00 lo 614.79 614.79 585.58 585.58 0.00 0.00 0.00 0.00 16:00:00 ens3 110.59 83.38 959.75 17.05 0.00 0.00 0.00 0.00 16:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1576.32 1576.32 1502.93 1502.93 0.00 0.00 0.00 0.00 16:10:01 ens3 43.13 34.49 136.50 10.12 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:10 lo 9.25 9.25 0.95 0.95 0.00 0.00 0.00 0.00 16:20:10 ens3 69.40 64.10 114.03 184.81 0.00 0.00 0.00 0.00 16:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 730.58 730.58 693.71 693.71 0.00 0.00 0.00 0.00 Average: ens3 74.26 60.61 400.76 71.29 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-25158) 06/05/26 _x86_64_ (4 CPU) 15:46:00 LINUX RESTART (4 CPU) 15:50:04 CPU %user %nice %system %iowait %steal %idle 16:00:00 all 59.51 0.00 2.15 0.38 0.14 37.82 16:00:00 0 60.63 0.00 1.85 0.29 0.14 37.09 16:00:00 1 55.44 0.00 1.80 0.28 0.14 42.34 16:00:00 2 62.09 0.00 2.61 0.55 0.14 34.62 16:00:00 3 59.90 0.00 2.33 0.40 0.14 37.23 16:10:01 all 60.40 0.00 2.65 0.39 0.15 36.41 16:10:01 0 60.08 0.00 2.88 0.67 0.15 36.22 16:10:01 1 61.37 0.00 2.85 0.20 0.16 35.41 16:10:01 2 60.72 0.00 2.48 0.37 0.15 36.28 16:10:01 3 59.40 0.00 2.38 0.32 0.15 37.74 16:20:10 all 43.76 0.00 1.45 0.66 0.09 54.04 16:20:10 0 47.90 0.00 1.66 0.40 0.09 49.94 16:20:10 1 43.02 0.00 1.75 0.73 0.09 54.41 16:20:10 2 44.70 0.00 1.32 1.06 0.09 52.83 16:20:10 3 39.42 0.00 1.05 0.46 0.09 58.98 Average: all 54.49 0.00 2.08 0.48 0.13 42.83 Average: 0 56.15 0.00 2.13 0.46 0.13 41.14 Average: 1 53.22 0.00 2.13 0.41 0.13 44.12 Average: 2 55.76 0.00 2.13 0.66 0.12 41.32 Average: 3 52.82 0.00 1.91 0.39 0.13 44.75