---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25867 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 12G 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 718 9170 4 6099 14928 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:65:82:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.155/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84532sec preferred_lft 84532sec inet6 fe80::f816:3eff:fe65:821b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:30:0e:5f:3b:d1 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-25867) 06/08/26 _x86_64_ (4 CPU) 12:39:50 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:02 73.34 23.90 47.28 2.16 2049.03 11324.48 10922.87 13:00:02 34.18 0.04 30.48 3.66 1.31 3361.29 15224.99 13:10:02 20.60 0.30 17.59 2.70 12.23 5923.71 6732.63 Average: 42.73 8.09 31.80 2.84 688.61 6873.39 10960.13 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:02 8888040 12963532 2990372 18.26 159848 3987948 3138988 18.02 879104 6151888 53632 13:00:02 8449068 13148288 2801180 17.11 186128 4537660 2876836 16.51 1034848 6400352 74052 13:10:02 9449124 15334568 608444 3.72 213836 5627376 1132136 6.50 1131504 5213476 12880 Average: 8928744 13815463 2133332 13.03 186604 4717661 2382653 13.68 1015152 5921905 46855 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:02 lo 398.09 398.09 378.72 378.72 0.00 0.00 0.00 0.00 12:50:02 ens3 176.42 127.88 1370.33 25.14 0.00 0.00 0.00 0.00 12:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:02 lo 1752.79 1752.79 1671.29 1671.29 0.00 0.00 0.00 0.00 13:00:02 ens3 47.47 36.08 138.67 10.92 0.00 0.00 0.00 0.00 13:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:02 lo 118.48 118.48 102.89 102.89 0.00 0.00 0.00 0.00 13:10:02 ens3 87.69 80.29 123.16 229.79 0.00 0.00 0.00 0.00 13:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 756.17 756.17 717.36 717.36 0.00 0.00 0.00 0.00 Average: ens3 103.92 81.45 544.72 88.56 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-25867) 06/08/26 _x86_64_ (4 CPU) 12:39:50 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:02 all 49.49 0.07 2.19 0.48 0.09 47.67 12:50:02 0 51.07 0.10 2.15 0.98 0.09 45.62 12:50:02 1 50.69 0.03 2.59 0.51 0.09 46.08 12:50:02 2 45.80 0.06 2.14 0.23 0.09 51.69 12:50:02 3 50.42 0.09 1.90 0.20 0.09 47.30 13:00:02 all 62.09 0.00 2.58 0.07 0.10 35.16 13:00:02 0 60.27 0.00 2.62 0.05 0.10 36.96 13:00:02 1 61.70 0.00 2.42 0.07 0.09 35.71 13:00:02 2 64.69 0.00 2.91 0.07 0.10 32.24 13:00:02 3 61.70 0.00 2.38 0.09 0.10 35.74 13:10:02 all 46.54 0.00 1.66 0.10 0.09 51.61 13:10:02 0 50.93 0.00 1.75 0.10 0.09 47.13 13:10:02 1 46.05 0.00 1.63 0.17 0.09 52.06 13:10:02 2 45.37 0.00 1.79 0.10 0.09 52.65 13:10:02 3 43.79 0.00 1.47 0.03 0.09 54.62 Average: all 52.70 0.02 2.14 0.22 0.09 44.82 Average: 0 54.08 0.03 2.17 0.38 0.09 43.24 Average: 1 52.81 0.01 2.21 0.25 0.09 44.62 Average: 2 51.93 0.02 2.28 0.13 0.09 45.54 Average: 3 51.96 0.03 1.92 0.11 0.09 45.89