---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-21020 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 787 9171 4 6030 14859 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:8b:3c:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84021sec preferred_lft 84021sec inet6 fe80::f816:3eff:fe8b:3c87/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:39:21:ea:5e:1d 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-21020) 05/28/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:00 18.79 0.45 16.79 1.55 14.56 4491.23 5599.08 20:50:10 56.13 0.00 45.05 11.08 0.00 2778.62 12475.54 21:00:10 27.76 0.29 22.96 4.50 11.71 4582.09 5556.72 Average: 34.36 0.25 28.37 5.75 8.70 3943.99 7903.52 20:30:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:00 9141900 13498852 2453184 14.98 186448 4222452 2667124 15.31 884824 5863912 53316 20:50:10 8540928 13312040 2636504 16.10 213196 4573816 3136368 18.00 975856 6352232 96548 21:00:10 9552404 15360096 583800 3.57 243708 5524192 1123972 6.45 1343884 4896060 8 Average: 9078411 14056996 1891163 11.55 214451 4773487 2309155 13.25 1068188 5704068 49957 20:30:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:00 lo 410.53 410.53 390.48 390.48 0.00 0.00 0.00 0.00 20:40:00 ens3 88.33 65.93 323.88 19.10 0.00 0.00 0.00 0.00 20:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:10 lo 5804.48 5804.48 5535.03 5535.03 0.00 0.00 0.00 0.00 20:50:10 ens3 68.73 51.04 26.35 19.90 0.00 0.00 0.00 0.00 20:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:10 lo 2107.36 2107.36 1995.35 1995.35 0.00 0.00 0.00 0.00 21:00:10 ens3 105.85 94.42 112.82 155.48 0.00 0.00 0.00 0.00 21:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2793.08 2793.08 2658.38 2658.38 0.00 0.00 0.00 0.00 Average: ens3 87.54 70.38 153.43 64.69 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-21020) 05/28/26 _x86_64_ (4 CPU) 20:24:19 LINUX RESTART (4 CPU) 20:30:03 CPU %user %nice %system %iowait %steal %idle 20:40:00 all 69.29 0.00 2.63 0.04 0.09 27.95 20:40:00 0 68.58 0.00 2.40 0.03 0.09 28.90 20:40:00 1 68.79 0.00 2.50 0.04 0.09 28.59 20:40:00 2 71.00 0.00 3.02 0.08 0.09 25.81 20:40:00 3 68.78 0.00 2.58 0.03 0.09 28.51 20:50:10 all 62.41 0.00 4.32 0.11 0.09 33.07 20:50:10 0 62.27 0.00 3.89 0.10 0.09 33.65 20:50:10 1 62.06 0.00 4.33 0.16 0.09 33.36 20:50:10 2 63.83 0.00 4.89 0.08 0.09 31.11 20:50:10 3 61.48 0.00 4.15 0.10 0.09 34.18 21:00:10 all 44.35 0.00 2.41 0.08 0.08 53.08 21:00:10 0 42.78 0.00 2.37 0.08 0.08 54.70 21:00:10 1 47.81 0.00 2.45 0.07 0.08 49.59 21:00:10 2 45.47 0.00 2.62 0.07 0.08 51.76 21:00:10 3 41.34 0.00 2.20 0.12 0.08 56.27 Average: all 58.68 0.00 3.12 0.08 0.09 38.03 Average: 0 57.87 0.00 2.89 0.07 0.09 39.08 Average: 1 59.54 0.00 3.10 0.09 0.09 37.19 Average: 2 60.10 0.00 3.52 0.08 0.09 36.22 Average: 3 57.20 0.00 2.98 0.08 0.09 39.65