---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21551 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 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 729 9926 4 5333 14917 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:0a:52:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84783sec preferred_lft 84783sec inet6 fe80::f816:3eff:fe0a:5270/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:fe:9d:3d:f7:e6 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-21551) 05/30/26 _x86_64_ (4 CPU) 11:08:22 LINUX RESTART (4 CPU) 11:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:10 45.24 3.46 26.56 15.22 176.35 6176.83 240525.81 11:30:05 35.46 0.05 32.28 3.13 1.65 6132.21 13228.61 Average: 40.41 1.78 29.39 9.25 90.02 6154.78 128192.97 11:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:10 9643804 13390220 2566336 15.67 149760 3689704 3086860 17.72 701128 5611784 13728 11:30:05 8109000 13308348 2641764 16.13 178140 5039580 2824884 16.21 1011512 6746476 31580 Average: 8876402 13349284 2604050 15.90 163950 4364642 2955872 16.97 856320 6179130 22654 11:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:10 lo 904.28 904.28 861.76 861.76 0.00 0.00 0.00 0.00 11:20:10 ens3 87.12 66.83 850.06 13.11 0.00 0.00 0.00 0.00 11:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:05 lo 1346.96 1346.96 1283.60 1283.60 0.00 0.00 0.00 0.00 11:30:05 ens3 39.26 33.32 230.40 8.06 0.00 0.00 0.00 0.00 11:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1123.06 1123.06 1070.24 1070.24 0.00 0.00 0.00 0.00 Average: ens3 63.47 50.27 543.82 10.61 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-21551) 05/30/26 _x86_64_ (4 CPU) 11:08:22 LINUX RESTART (4 CPU) 11:10:01 CPU %user %nice %system %iowait %steal %idle 11:20:10 all 65.00 0.00 2.25 0.44 0.11 32.19 11:20:10 0 65.68 0.00 1.91 0.27 0.11 32.02 11:20:10 1 66.33 0.00 2.06 0.28 0.11 31.23 11:20:10 2 64.29 0.00 2.62 0.75 0.12 32.22 11:20:10 3 63.69 0.00 2.42 0.48 0.12 33.29 11:30:05 all 56.19 0.00 2.42 1.37 0.12 39.90 11:30:05 0 55.87 0.00 2.19 0.69 0.12 41.13 11:30:05 1 54.58 0.00 2.31 1.32 0.12 41.67 11:30:05 2 55.89 0.00 2.39 1.07 0.11 40.54 11:30:05 3 58.42 0.00 2.78 2.41 0.12 36.27 Average: all 60.65 0.00 2.33 0.90 0.12 36.00 Average: 0 60.84 0.00 2.05 0.48 0.11 36.52 Average: 1 60.53 0.00 2.18 0.79 0.12 36.38 Average: 2 60.14 0.00 2.51 0.91 0.11 36.33 Average: 3 61.08 0.00 2.60 1.43 0.12 34.76