---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28126 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 13G 65G 17% / 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 8287 4 7024 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:ac:2c:82 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83811sec preferred_lft 83811sec inet6 fe80::f816:3eff:feac:2c82/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:13:e0:45:61:d9 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-28126) 06/17/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:09 20.46 0.07 18.00 2.39 6.69 2051.30 9441.23 19:30:01 34.14 0.02 30.71 3.41 0.68 4576.36 17025.32 19:40:07 7.92 0.02 7.70 0.19 0.70 6128.52 1216.97 Average: 20.74 0.04 18.72 1.98 2.67 4265.71 9165.40 19:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:09 9619572 13342444 2614512 15.97 146248 3682268 2645176 15.18 719720 5616420 23300 19:30:01 7859232 12617172 3335608 20.37 169312 4648312 3223700 18.50 1008572 7046084 2432 19:40:07 8613316 15435680 510632 3.12 184412 6629324 1052772 6.04 1754640 5463592 320148 Average: 8697373 13798432 2153584 13.15 166657 4986635 2307216 13.24 1160977 6042032 115293 19:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:09 lo 1113.40 1113.40 1054.29 1054.29 0.00 0.00 0.00 0.00 19:20:09 ens3 39.09 31.99 45.07 11.14 0.00 0.00 0.00 0.00 19:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1426.20 1426.20 1358.71 1358.71 0.00 0.00 0.00 0.00 19:30:01 ens3 37.56 31.21 29.48 12.17 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:07 lo 2559.39 2559.39 9195.15 9195.15 0.00 0.00 0.00 0.00 19:40:07 ens3 21.57 19.52 125.82 5.25 0.00 0.00 0.00 0.00 19:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1706.11 1706.11 3909.69 3909.69 0.00 0.00 0.00 0.00 Average: ens3 32.66 27.51 67.24 9.49 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-28126) 06/17/26 _x86_64_ (4 CPU) 19:01:30 LINUX RESTART (4 CPU) 19:10:15 CPU %user %nice %system %iowait %steal %idle 19:20:09 all 64.65 0.00 2.18 0.09 0.12 32.96 19:20:09 0 65.31 0.00 2.32 0.08 0.12 32.17 19:20:09 1 64.52 0.00 2.11 0.07 0.12 33.18 19:20:09 2 62.92 0.00 2.17 0.16 0.13 34.63 19:20:09 3 65.87 0.00 2.10 0.04 0.12 31.87 19:30:01 all 63.19 0.00 2.55 0.15 0.12 34.00 19:30:01 0 63.73 0.00 2.59 0.21 0.12 33.36 19:30:01 1 61.68 0.00 2.48 0.08 0.12 35.64 19:30:01 2 61.89 0.00 2.56 0.24 0.12 35.18 19:30:01 3 65.43 0.00 2.59 0.05 0.12 31.81 19:40:07 all 31.77 0.00 1.29 0.18 0.10 66.66 19:40:07 0 30.16 0.00 1.23 0.15 0.10 68.37 19:40:07 1 31.80 0.00 1.23 0.16 0.10 66.72 19:40:07 2 28.30 0.00 1.44 0.39 0.10 69.76 19:40:07 3 36.81 0.00 1.26 0.03 0.09 61.80 Average: all 53.02 0.00 2.00 0.14 0.11 44.73 Average: 0 52.87 0.00 2.04 0.15 0.11 44.84 Average: 1 52.48 0.00 1.93 0.10 0.11 45.37 Average: 2 50.85 0.00 2.05 0.27 0.11 46.72 Average: 3 55.88 0.00 1.98 0.04 0.11 41.99