---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22358 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 692 10350 4 4945 14954 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:4f:6e:e1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.55/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84544sec preferred_lft 84544sec inet6 fe80::f816:3eff:fe4f:6ee1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:fb:d8:10:8f:9f 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-22358) 06/01/26 _x86_64_ (4 CPU) 22:48:00 LINUX RESTART (4 CPU) 22:50:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:01 13.31 2.02 10.67 0.62 128.97 2835.96 665.26 23:10:17 22.47 12.08 9.26 1.13 147.18 2198.09 3628.10 Average: 17.97 7.14 9.95 0.88 138.23 2511.46 2172.54 22:50:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:01 11208888 14349712 1612132 9.85 120884 3167984 1961792 11.26 524540 4281224 33648 23:10:17 9297232 13489464 2463212 15.04 159756 4080404 2698180 15.49 770568 5819020 353932 Average: 10253060 13919588 2037672 12.45 140320 3624194 2329986 13.37 647554 5050122 193790 22:50:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:01 lo 0.50 0.50 0.05 0.05 0.00 0.00 0.00 0.00 23:00:01 ens3 72.44 58.83 664.45 10.18 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:17 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 23:10:17 ens3 82.04 60.43 361.93 18.05 0.00 0.00 0.00 0.00 23:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.99 0.99 0.10 0.10 0.00 0.00 0.00 0.00 Average: ens3 77.32 59.64 510.55 14.18 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-22358) 06/01/26 _x86_64_ (4 CPU) 22:48:00 LINUX RESTART (4 CPU) 22:50:07 CPU %user %nice %system %iowait %steal %idle 23:00:01 all 24.71 0.00 0.90 0.06 0.05 74.29 23:00:01 0 24.64 0.00 0.94 0.05 0.04 74.33 23:00:01 1 24.07 0.00 0.98 0.15 0.04 74.75 23:00:01 2 24.40 0.00 0.90 0.02 0.05 74.62 23:00:01 3 25.71 0.00 0.77 0.03 0.05 73.44 23:10:17 all 71.34 0.07 2.31 0.08 0.10 26.10 23:10:17 0 70.99 0.09 2.22 0.08 0.10 26.52 23:10:17 1 72.05 0.13 2.67 0.09 0.10 24.96 23:10:17 2 72.75 0.06 2.14 0.05 0.10 24.90 23:10:17 3 69.56 0.02 2.22 0.08 0.11 28.00 Average: all 48.41 0.04 1.62 0.07 0.08 49.79 Average: 0 48.20 0.04 1.59 0.07 0.07 50.03 Average: 1 48.45 0.06 1.84 0.12 0.07 49.45 Average: 2 48.96 0.03 1.53 0.03 0.08 49.37 Average: 3 48.03 0.01 1.51 0.06 0.08 50.31