---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-31593 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: 5599.94 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 643 10255 4 5089 15002 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:86:55:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.30/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84792sec preferred_lft 84792sec inet6 fe80::f816:3eff:fe86:5577/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:af:1b:83:22:1b 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-31593) 06/29/26 _x86_64_ (4 CPU) 09:48:58 LINUX RESTART (4 CPU) 09:50:39 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:18 16.71 3.34 12.90 0.46 387.74 4006.24 429.06 10:10:01 3.49 0.22 3.13 0.15 6.77 526.11 69.01 Average: 10.08 1.77 8.00 0.31 196.76 2261.68 248.57 09:50:39 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:18 9490680 12675980 3286816 20.07 115744 3225640 3535784 20.30 550548 5981144 232 10:10:01 10202544 13559280 2402144 14.67 121364 3377192 2670180 15.33 590996 5210516 25980 Average: 9846612 13117630 2844480 17.37 118554 3301416 3102982 17.81 570772 5595830 13106 09:50:39 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:18 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 10:00:18 ens3 82.99 65.29 832.13 10.48 0.00 0.00 0.00 0.00 10:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:01 lo 0.81 0.81 0.40 0.40 0.00 0.00 0.00 0.00 10:10:01 ens3 8.61 7.46 44.48 2.03 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.65 0.65 0.22 0.22 0.00 0.00 0.00 0.00 Average: ens3 45.70 36.30 437.29 6.25 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-31593) 06/29/26 _x86_64_ (4 CPU) 09:48:58 LINUX RESTART (4 CPU) 09:50:39 CPU %user %nice %system %iowait %steal %idle 10:00:18 all 53.51 0.00 1.09 0.08 0.09 45.22 10:00:18 0 54.22 0.00 1.07 0.07 0.10 44.54 10:00:18 1 55.05 0.00 1.13 0.10 0.09 43.64 10:00:18 2 54.96 0.00 1.03 0.09 0.09 43.82 10:00:18 3 49.82 0.00 1.14 0.08 0.09 48.87 10:10:01 all 54.50 0.00 0.59 0.02 0.08 44.81 10:10:01 0 59.42 0.00 0.59 0.01 0.08 39.90 10:10:01 1 61.75 0.00 0.60 0.01 0.09 37.55 10:10:01 2 51.92 0.00 0.54 0.03 0.08 47.43 10:10:01 3 44.90 0.00 0.65 0.01 0.08 54.36 Average: all 54.01 0.00 0.84 0.05 0.09 45.01 Average: 0 56.83 0.00 0.83 0.04 0.09 42.21 Average: 1 58.41 0.00 0.86 0.06 0.09 40.59 Average: 2 53.44 0.00 0.78 0.06 0.08 45.63 Average: 3 47.36 0.00 0.89 0.05 0.09 51.62