---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1516 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 614 10314 4 5060 15032 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:3f:2c:4a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84735sec preferred_lft 84735sec inet6 fe80::f816:3eff:fe3f:2c4a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:87:9e:14:cb:5a 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-1516) 08/02/26 _x86_64_ (4 CPU) 09:56:15 LINUX RESTART (4 CPU) 10:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:20 8.68 0.54 7.66 0.48 54.71 1958.16 16278.40 10:20:13 9.71 0.53 8.66 0.52 19.30 1618.29 1631.33 Average: 9.19 0.53 8.15 0.50 37.34 1791.45 9093.65 10:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:20 8511944 11796340 4165112 25.44 118968 3317216 4383076 25.16 518036 6988684 504 10:20:13 8925700 12889420 3068180 18.74 136848 3941248 3259200 18.71 701336 6333116 264284 Average: 8718822 12342880 3616646 22.09 127908 3629232 3821138 21.93 609686 6660900 132394 10:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:20 lo 0.69 0.69 0.38 0.38 0.00 0.00 0.00 0.00 10:10:20 ens3 31.44 19.04 412.08 3.32 0.00 0.00 0.00 0.00 10:10:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:13 lo 236.68 236.68 225.15 225.15 0.00 0.00 0.00 0.00 10:20:13 ens3 38.68 28.84 418.26 3.70 0.00 0.00 0.00 0.00 10:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 116.45 116.45 110.63 110.63 0.00 0.00 0.00 0.00 Average: ens3 34.99 23.84 415.11 3.51 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-1516) 08/02/26 _x86_64_ (4 CPU) 09:56:15 LINUX RESTART (4 CPU) 10:00:05 CPU %user %nice %system %iowait %steal %idle 10:10:20 all 49.33 0.00 0.88 0.04 0.08 49.68 10:10:20 0 41.50 0.00 0.89 0.06 0.08 57.47 10:10:20 1 59.95 0.00 0.95 0.02 0.08 39.00 10:10:20 2 48.16 0.00 0.88 0.03 0.08 50.86 10:10:20 3 47.73 0.00 0.78 0.04 0.08 51.36 10:20:13 all 51.39 0.00 0.92 0.04 0.09 47.57 10:20:13 0 47.29 0.00 0.92 0.06 0.08 51.65 10:20:13 1 77.25 0.00 1.03 0.02 0.10 21.59 10:20:13 2 41.97 0.00 0.77 0.04 0.08 57.14 10:20:13 3 39.01 0.00 0.95 0.04 0.08 59.93 Average: all 50.34 0.00 0.90 0.04 0.08 48.65 Average: 0 44.34 0.00 0.90 0.06 0.08 54.62 Average: 1 68.44 0.00 0.99 0.02 0.09 30.46 Average: 2 45.13 0.00 0.83 0.03 0.08 53.94 Average: 3 43.46 0.00 0.87 0.04 0.08 55.56