---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39419 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: 5600.00 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 15% / 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 644 9951 4 5393 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:0a:f8:c2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84439sec preferred_lft 84439sec inet6 fe80::f816:3eff:fe0a:f8c2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ba:61:74:78:26:2c 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-39419) 07/27/26 _x86_64_ (4 CPU) 18:22:58 LINUX RESTART (4 CPU) 18:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:40:04 43.52 0.03 36.94 6.56 0.64 1628.33 130113.74 18:50:01 29.34 0.16 25.00 4.19 4.87 3289.66 28197.09 Average: 36.47 0.09 31.00 5.38 2.74 2454.70 79418.85 18:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:04 9501256 12950968 3008252 18.37 155392 3418072 3225484 18.51 675424 5802632 260 18:50:01 8127244 13077092 2875216 17.56 177952 4824332 2998684 17.21 1193400 6575720 710780 Average: 8814250 13014030 2941734 17.97 166672 4121202 3112084 17.86 934412 6189176 355520 18:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:40:04 lo 40.82 40.82 9.79 9.79 0.00 0.00 0.00 0.00 18:40:04 ens3 15.48 11.89 14.38 3.96 0.00 0.00 0.00 0.00 18:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:50:01 lo 1677.89 1677.89 1582.32 1582.32 0.00 0.00 0.00 0.00 18:50:01 ens3 71.20 53.61 478.47 13.51 0.00 0.00 0.00 0.00 18:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 855.13 855.13 791.99 791.99 0.00 0.00 0.00 0.00 Average: ens3 43.19 32.64 245.23 8.71 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-39419) 07/27/26 _x86_64_ (4 CPU) 18:22:58 LINUX RESTART (4 CPU) 18:30:00 CPU %user %nice %system %iowait %steal %idle 18:40:04 all 27.30 0.00 1.07 0.40 0.11 71.12 18:40:04 0 28.07 0.00 1.01 0.20 0.10 70.62 18:40:04 1 27.54 0.00 1.24 0.38 0.12 70.73 18:40:04 2 26.76 0.00 0.91 0.16 0.10 72.06 18:40:04 3 26.85 0.00 1.10 0.87 0.10 71.08 18:50:01 all 44.84 0.00 2.15 0.07 0.10 52.84 18:50:01 0 43.58 0.00 2.03 0.04 0.10 54.25 18:50:01 1 45.73 0.00 2.17 0.07 0.10 51.94 18:50:01 2 44.58 0.00 2.17 0.03 0.10 53.12 18:50:01 3 45.46 0.00 2.25 0.13 0.10 52.07 Average: all 36.01 0.00 1.61 0.24 0.10 62.04 Average: 0 35.77 0.00 1.52 0.12 0.10 62.49 Average: 1 36.57 0.00 1.70 0.22 0.11 61.39 Average: 2 35.62 0.00 1.54 0.10 0.10 62.65 Average: 3 36.09 0.00 1.67 0.50 0.10 61.64