---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2053 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 623 10517 4 4848 15023 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:70:08:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.61/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84585sec preferred_lft 84585sec inet6 fe80::f816:3eff:fe70:82f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:c2:28:67:67:f4 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-2053) 08/04/26 _x86_64_ (4 CPU) 09:54:46 LINUX RESTART (4 CPU) 10:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:12 4.08 0.07 3.85 0.16 7.51 608.27 19.16 10:20:01 6.02 0.37 5.36 0.28 11.40 753.75 390.53 Average: 5.04 0.22 4.60 0.22 9.43 680.33 203.10 10:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:12 8394068 11461616 4501344 27.49 114608 3110788 4625772 26.55 496728 7130532 376 10:20:01 9174652 12900416 3058520 18.68 131616 3715200 3176240 18.23 588432 6198920 461676 Average: 8784360 12181016 3779932 23.09 123112 3412994 3901006 22.39 542580 6664726 231026 10:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:12 lo 0.58 0.58 0.37 0.37 0.00 0.00 0.00 0.00 10:10:12 ens3 7.85 6.75 36.04 1.97 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 125.41 125.41 119.31 119.31 0.00 0.00 0.00 0.00 10:20:01 ens3 33.18 22.87 410.04 3.14 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 62.41 62.41 59.28 59.28 0.00 0.00 0.00 0.00 Average: ens3 20.40 14.73 221.28 2.55 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-2053) 08/04/26 _x86_64_ (4 CPU) 09:54:46 LINUX RESTART (4 CPU) 10:00:12 CPU %user %nice %system %iowait %steal %idle 10:10:12 all 47.06 0.00 0.69 0.03 0.14 52.09 10:10:12 0 49.85 0.00 0.65 0.03 0.14 49.33 10:10:12 1 46.15 0.00 0.80 0.02 0.16 52.88 10:10:12 2 38.72 0.00 0.65 0.05 0.11 60.48 10:10:12 3 53.53 0.00 0.66 0.02 0.14 45.66 10:20:01 all 52.43 0.00 0.88 0.09 0.14 46.47 10:20:01 0 42.23 0.00 0.91 0.07 0.13 56.65 10:20:01 1 51.02 0.00 1.09 0.06 0.14 47.70 10:20:01 2 43.41 0.00 0.72 0.20 0.13 55.54 10:20:01 3 73.01 0.00 0.79 0.01 0.17 26.01 Average: all 49.72 0.00 0.78 0.06 0.14 49.31 Average: 0 46.08 0.00 0.78 0.05 0.13 52.96 Average: 1 48.56 0.00 0.94 0.04 0.15 50.31 Average: 2 41.04 0.00 0.68 0.13 0.12 58.03 Average: 3 63.18 0.00 0.73 0.01 0.16 35.93