---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1770 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: 5600.00 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 670 10285 4 5034 14976 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:b8:cd:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.70/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84178sec preferred_lft 84178sec inet6 fe80::f816:3eff:feb8:cd87/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 26:eb:5c:e1:75:3c 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-1770) 08/03/26 _x86_64_ (4 CPU) 10:46:35 LINUX RESTART (4 CPU) 10:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 6.39 1.05 4.92 0.41 90.03 914.17 25422.03 11:10:11 14.07 1.52 11.43 1.11 79.18 3191.49 1993.34 11:20:25 28.84 0.62 23.95 4.27 24.52 4079.15 7917.13 Average: 16.64 1.07 13.61 1.96 64.02 2765.10 11512.35 10:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 11942660 14939384 1024240 6.26 117700 3044368 1558424 8.95 418032 3662564 269536 11:10:11 10075072 13825928 2130352 13.01 149084 3695304 2710376 15.56 641264 5243716 45260 11:20:25 10602932 15397828 551340 3.37 177664 4640796 1108696 6.36 920396 4348304 4 Average: 10873555 14721047 1235311 7.54 148149 3793489 1792499 10.29 659897 4418195 104933 10:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 0.18 0.18 0.02 0.02 0.00 0.00 0.00 0.00 11:00:01 ens3 81.95 62.37 1003.21 6.94 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:11 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 11:10:11 ens3 79.70 59.69 194.96 18.59 0.00 0.00 0.00 0.00 11:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:25 lo 1502.60 1502.60 1426.34 1426.34 0.00 0.00 0.00 0.00 11:20:25 ens3 96.62 80.77 403.55 80.41 0.00 0.00 0.00 0.00 11:20:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 512.76 512.76 486.27 486.27 0.00 0.00 0.00 0.00 Average: ens3 86.19 67.73 524.79 35.94 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-1770) 08/03/26 _x86_64_ (4 CPU) 10:46:35 LINUX RESTART (4 CPU) 10:50:24 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 3.49 0.00 0.34 0.08 0.03 96.06 11:00:01 0 3.18 0.00 0.21 0.10 0.02 96.49 11:00:01 1 3.42 0.00 0.38 0.06 0.03 96.11 11:00:01 2 3.66 0.00 0.39 0.09 0.03 95.82 11:00:01 3 3.71 0.00 0.38 0.08 0.03 95.81 11:10:11 all 72.37 0.00 2.21 0.34 0.13 24.95 11:10:11 0 70.58 0.00 2.16 0.32 0.12 26.81 11:10:11 1 74.28 0.00 2.46 0.62 0.13 22.50 11:10:11 2 71.33 0.00 1.99 0.09 0.12 26.46 11:10:11 3 73.30 0.00 2.21 0.33 0.13 24.04 11:20:25 all 57.09 0.00 2.55 0.10 0.11 40.15 11:20:25 0 55.46 0.00 1.98 0.06 0.11 42.39 11:20:25 1 57.75 0.00 2.39 0.09 0.11 39.66 11:20:25 2 59.05 0.00 2.96 0.14 0.11 37.74 11:20:25 3 56.10 0.00 2.87 0.12 0.11 40.80 Average: all 45.08 0.00 1.73 0.18 0.09 52.93 Average: 0 43.81 0.00 1.47 0.16 0.09 54.47 Average: 1 45.95 0.00 1.77 0.26 0.09 51.93 Average: 2 45.47 0.00 1.81 0.11 0.09 52.52 Average: 3 45.10 0.00 1.85 0.18 0.09 52.79