---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39173 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 713 10232 4 5042 14933 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:4a:f8:b5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.160/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84724sec preferred_lft 84724sec inet6 fe80::f816:3eff:fe4a:f8b5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:99:5f:fc:fd:6c 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-39173) 07/26/26 _x86_64_ (4 CPU) 22:57:31 LINUX RESTART (4 CPU) 23:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:10:02 31.48 2.17 15.01 14.30 152.49 3394.44 265802.40 23:20:01 32.05 0.79 27.72 3.53 28.10 3312.42 4124.64 Average: 31.76 1.48 21.36 8.92 90.33 3353.45 135032.25 23:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:10:02 10087300 13615168 2343468 14.31 133824 3513928 2937044 16.86 571228 5327660 27780 23:20:01 8287308 12966988 2982800 18.22 170280 4545280 3429816 19.69 879936 6711332 303956 Average: 9187304 13291078 2663134 16.27 152052 4029604 3183430 18.27 725582 6019496 165868 23:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:10:02 lo 0.97 0.97 0.10 0.10 0.00 0.00 0.00 0.00 23:10:02 ens3 112.78 83.35 971.42 17.17 0.00 0.00 0.00 0.00 23:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 lo 1596.80 1596.80 1522.44 1522.44 0.00 0.00 0.00 0.00 23:20:01 ens3 93.11 69.22 415.89 18.43 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 798.47 798.47 760.87 760.87 0.00 0.00 0.00 0.00 Average: ens3 102.95 76.29 693.80 17.80 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-39173) 07/26/26 _x86_64_ (4 CPU) 22:57:31 LINUX RESTART (4 CPU) 23:00:02 CPU %user %nice %system %iowait %steal %idle 23:10:02 all 48.11 0.00 1.69 0.58 0.08 49.53 23:10:02 0 46.35 0.00 1.47 0.50 0.09 51.60 23:10:02 1 48.84 0.00 1.81 0.44 0.09 48.82 23:10:02 2 47.04 0.00 1.77 0.94 0.08 50.16 23:10:02 3 50.20 0.00 1.72 0.45 0.08 47.55 23:20:01 all 67.82 0.00 2.72 0.20 0.11 29.14 23:20:01 0 66.82 0.00 2.51 0.38 0.11 30.17 23:20:01 1 66.48 0.00 2.74 0.17 0.11 30.50 23:20:01 2 68.69 0.00 2.72 0.11 0.11 28.37 23:20:01 3 69.30 0.00 2.92 0.15 0.11 27.52 Average: all 57.95 0.00 2.21 0.39 0.10 39.35 Average: 0 56.57 0.00 1.99 0.44 0.10 40.91 Average: 1 57.65 0.00 2.28 0.31 0.10 39.67 Average: 2 57.86 0.00 2.24 0.53 0.10 39.27 Average: 3 59.74 0.00 2.32 0.30 0.10 37.55