---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-688 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 68G 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 676 10433 4 4879 14970 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:1e:bc:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84339sec preferred_lft 84339sec inet6 fe80::f816:3eff:fe1e:bcd2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:7d:05:47:a7:30 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-688) 07/31/26 _x86_64_ (4 CPU) 00:00:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:15 8.35 1.97 6.14 0.24 126.48 1621.65 540.43 00:20:01 23.35 12.61 9.64 1.10 152.73 2194.17 2863.16 00:30:11 28.22 0.57 23.50 4.15 22.04 3733.64 5665.41 Average: 19.99 4.97 13.17 1.85 99.60 2525.29 3037.83 00:00:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:15 11231564 14229524 1733656 10.59 116948 3035660 2368892 13.60 482316 4318748 25116 00:20:01 9834320 13514284 2442012 14.91 148764 3609200 2729936 15.67 682228 5421944 24540 00:30:11 10744468 15381400 568356 3.47 174964 4477680 1114608 6.40 935816 4173048 4 Average: 10603451 14375069 1581341 9.66 146892 3707513 2071145 11.89 700120 4637913 16553 00:00:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:15 lo 0.38 0.38 0.03 0.03 0.00 0.00 0.00 0.00 00:10:15 ens3 62.57 50.70 694.81 8.48 0.00 0.00 0.00 0.00 00:10:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 00:20:01 ens3 62.23 50.73 101.80 17.17 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:11 lo 1629.78 1629.78 1542.59 1542.59 0.00 0.00 0.00 0.00 00:30:11 ens3 96.78 88.01 406.64 146.72 0.00 0.00 0.00 0.00 00:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 553.75 553.75 523.62 523.62 0.00 0.00 0.00 0.00 Average: ens3 74.07 63.38 403.49 58.23 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-688) 07/31/26 _x86_64_ (4 CPU) 00:00:14 CPU %user %nice %system %iowait %steal %idle 00:10:15 all 18.15 0.00 0.61 0.08 0.04 81.11 00:10:15 0 17.37 0.00 0.69 0.02 0.04 81.88 00:10:15 1 18.96 0.00 0.63 0.01 0.05 80.35 00:10:15 2 18.55 0.00 0.56 0.24 0.04 80.60 00:10:15 3 17.73 0.00 0.57 0.03 0.04 81.63 00:20:01 all 72.51 0.07 2.24 0.07 0.13 24.98 00:20:01 0 70.97 0.07 2.06 0.09 0.13 26.68 00:20:01 1 73.96 0.09 2.22 0.07 0.13 23.53 00:20:01 2 73.39 0.09 2.46 0.04 0.13 23.89 00:20:01 3 71.72 0.04 2.23 0.07 0.13 25.81 00:30:11 all 46.91 0.00 2.22 0.25 0.12 50.50 00:30:11 0 46.92 0.00 2.29 0.08 0.10 50.61 00:30:11 1 45.89 0.00 2.25 0.26 0.10 51.50 00:30:11 2 48.51 0.00 2.27 0.37 0.10 48.76 00:30:11 3 46.31 0.00 2.07 0.28 0.19 51.15 Average: all 45.64 0.02 1.69 0.13 0.10 52.42 Average: 0 44.88 0.02 1.68 0.06 0.09 53.26 Average: 1 46.04 0.03 1.70 0.11 0.09 52.03 Average: 2 46.61 0.03 1.76 0.22 0.09 51.29 Average: 3 45.03 0.01 1.62 0.13 0.12 53.08