---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19208 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 12G 66G 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 697 9322 4 5969 14949 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:64:aa:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84773sec preferred_lft 84773sec inet6 fe80::f816:3eff:fe64:aab6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:b3:fc:55:0b:6f 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-19208) 05/23/26 _x86_64_ (4 CPU) 02:34:12 LINUX RESTART (4 CPU) 02:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:50:00 11.16 0.03 9.56 1.57 0.65 835.14 19291.27 03:00:00 35.78 0.19 31.38 4.21 5.82 8090.34 35163.41 Average: 23.46 0.11 20.46 2.89 3.23 4459.41 27220.06 02:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:50:00 9449340 12953984 3004904 18.35 123808 3504084 3294396 18.91 663832 5865248 1032 03:00:00 6268524 12166012 3780376 23.09 165176 5739720 3971084 22.79 1575552 8000184 181228 Average: 7858932 12559998 3392640 20.72 144492 4621902 3632740 20.85 1119692 6932716 91130 02:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:50:00 lo 53.73 53.73 13.21 13.21 0.00 0.00 0.00 0.00 02:50:00 ens3 7.91 7.53 8.55 2.43 0.00 0.00 0.00 0.00 02:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:00:00 lo 2208.88 2208.88 2118.80 2118.80 0.00 0.00 0.00 0.00 03:00:00 ens3 73.63 56.86 468.48 15.01 0.00 0.00 0.00 0.00 03:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1130.32 1130.32 1065.04 1065.04 0.00 0.00 0.00 0.00 Average: ens3 40.74 32.17 238.30 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-19208) 05/23/26 _x86_64_ (4 CPU) 02:34:12 LINUX RESTART (4 CPU) 02:40:00 CPU %user %nice %system %iowait %steal %idle 02:50:00 all 19.67 0.00 0.85 0.05 0.09 79.33 02:50:00 0 18.05 0.00 0.82 0.09 0.09 80.95 02:50:00 1 20.61 0.00 0.87 0.08 0.10 78.34 02:50:00 2 19.27 0.00 0.89 0.02 0.10 79.72 02:50:00 3 20.73 0.00 0.82 0.03 0.09 78.33 03:00:00 all 51.49 0.00 2.53 2.43 0.10 43.45 03:00:00 0 52.17 0.00 2.78 0.50 0.10 44.46 03:00:00 1 53.50 0.00 2.74 3.40 0.11 40.25 03:00:00 2 50.19 0.00 2.34 2.84 0.10 44.53 03:00:00 3 50.10 0.00 2.26 2.99 0.10 44.56 Average: all 35.55 0.00 1.69 1.24 0.10 61.42 Average: 0 35.08 0.00 1.80 0.29 0.10 62.73 Average: 1 37.01 0.00 1.81 1.74 0.10 59.34 Average: 2 34.70 0.00 1.61 1.43 0.10 62.16 Average: 3 35.40 0.00 1.54 1.50 0.10 61.46