---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36819 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 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 744 9673 4 5570 14902 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:2d:e9:6d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84777sec preferred_lft 84777sec inet6 fe80::f816:3eff:fe2d:e96d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:5f:54:a0:77:4d 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-36819) 07/18/26 _x86_64_ (4 CPU) 02:46:11 LINUX RESTART (4 CPU) 02:50:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:01 29.19 0.73 25.58 2.88 43.83 4421.53 19316.72 03:10:00 28.05 0.03 25.12 2.89 1.35 5984.30 7405.21 Average: 28.62 0.38 25.35 2.88 22.62 5201.89 13368.81 02:50:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:01 8990620 13117332 2836776 17.33 157804 4046172 3041284 17.46 737984 6211584 112680 03:10:00 7209528 12654128 3293888 20.12 188340 5265016 3533424 20.28 1033640 7623004 21956 Average: 8100074 12885730 3065332 18.72 173072 4655594 3287354 18.87 885812 6917294 67318 02:50:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:01 lo 1284.93 1284.93 1225.04 1225.04 0.00 0.00 0.00 0.00 03:00:01 ens3 77.19 55.35 647.76 10.57 0.00 0.00 0.00 0.00 03:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:10:00 lo 913.03 913.03 869.48 869.48 0.00 0.00 0.00 0.00 03:10:00 ens3 46.26 36.32 230.58 9.34 0.00 0.00 0.00 0.00 03:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1099.22 1099.22 1047.49 1047.49 0.00 0.00 0.00 0.00 Average: ens3 61.74 45.85 439.44 9.96 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-36819) 07/18/26 _x86_64_ (4 CPU) 02:46:11 LINUX RESTART (4 CPU) 02:50:00 CPU %user %nice %system %iowait %steal %idle 03:00:01 all 63.95 0.00 2.37 0.07 0.12 33.49 03:00:01 0 63.33 0.00 2.24 0.06 0.12 34.25 03:00:01 1 64.55 0.00 2.26 0.08 0.12 33.00 03:00:01 2 63.60 0.00 2.56 0.09 0.12 33.64 03:00:01 3 64.32 0.00 2.45 0.04 0.12 33.07 03:10:00 all 58.71 0.00 2.19 0.11 0.11 38.88 03:10:00 0 57.55 0.00 2.09 0.10 0.11 40.15 03:10:00 1 60.88 0.00 2.59 0.19 0.12 36.21 03:10:00 2 58.30 0.00 2.30 0.07 0.11 39.21 03:10:00 3 58.11 0.00 1.78 0.06 0.11 39.93 Average: all 61.33 0.00 2.28 0.09 0.12 36.18 Average: 0 60.44 0.00 2.16 0.08 0.12 37.20 Average: 1 62.72 0.00 2.42 0.14 0.12 34.60 Average: 2 60.95 0.00 2.43 0.08 0.12 36.42 Average: 3 61.22 0.00 2.12 0.05 0.12 36.49