---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22192 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 13G 65G 17% / 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 647 8324 4 7017 14999 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:10:32:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84113sec preferred_lft 84113sec inet6 fe80::f816:3eff:fe10:3277/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:6e:f8:94:0d:27 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-22192) 06/01/26 _x86_64_ (4 CPU) 09:23:50 LINUX RESTART (4 CPU) 09:30:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:27 26.47 0.03 23.58 2.86 0.69 2318.27 5768.61 09:50:35 26.46 0.03 23.79 2.65 0.50 4023.41 5906.82 10:00:35 11.16 0.29 9.59 1.29 11.37 7392.09 1163.81 Average: 21.36 0.12 18.98 2.26 4.19 4587.64 4278.85 09:30:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:27 8552840 12531372 3424896 20.92 148724 3923636 3440744 19.75 764104 6642516 208488 09:50:35 7647892 12400012 3552564 21.70 165728 4646576 3377832 19.39 1005260 7236388 404 10:00:35 8562172 15387976 556924 3.40 184832 6634164 1095388 6.29 1757936 5501832 140 Average: 8254301 13439787 2511461 15.34 166428 5068125 2637988 15.14 1175767 6460245 69677 09:30:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:27 lo 1466.17 1466.17 1391.45 1391.45 0.00 0.00 0.00 0.00 09:40:27 ens3 45.84 35.71 26.66 17.73 0.00 0.00 0.00 0.00 09:40:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:35 lo 1022.82 1022.82 968.41 968.41 0.00 0.00 0.00 0.00 09:50:35 ens3 40.42 31.19 28.10 10.99 0.00 0.00 0.00 0.00 09:50:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:35 lo 2574.12 2574.12 9293.27 9293.27 0.00 0.00 0.00 0.00 10:00:35 ens3 78.80 91.25 143.95 1202.46 0.00 0.00 0.00 0.00 10:00:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1685.99 1685.99 3885.04 3885.04 0.00 0.00 0.00 0.00 Average: ens3 55.01 52.71 66.28 410.76 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-22192) 06/01/26 _x86_64_ (4 CPU) 09:23:50 LINUX RESTART (4 CPU) 09:30:37 CPU %user %nice %system %iowait %steal %idle 09:40:27 all 64.75 0.00 2.40 0.09 0.10 32.65 09:40:27 0 65.31 0.00 2.16 0.12 0.11 32.30 09:40:27 1 63.15 0.00 2.10 0.10 0.10 34.55 09:40:27 2 64.55 0.00 3.04 0.03 0.11 32.27 09:40:27 3 65.99 0.00 2.30 0.12 0.10 31.49 09:50:35 all 49.28 0.00 2.06 0.08 0.09 48.48 09:50:35 0 47.62 0.00 1.99 0.03 0.09 50.27 09:50:35 1 50.19 0.00 2.24 0.13 0.09 47.35 09:50:35 2 49.46 0.00 2.06 0.12 0.09 48.27 09:50:35 3 49.83 0.00 1.97 0.06 0.09 48.04 10:00:35 all 35.16 0.00 1.29 0.16 0.08 63.32 10:00:35 0 42.78 0.00 1.12 0.17 0.08 55.84 10:00:35 1 30.00 0.00 1.51 0.24 0.08 68.18 10:00:35 2 35.96 0.00 1.19 0.04 0.08 62.73 10:00:35 3 31.88 0.00 1.35 0.17 0.07 66.53 Average: all 49.63 0.00 1.92 0.11 0.09 48.25 Average: 0 51.81 0.00 1.75 0.11 0.09 46.24 Average: 1 47.68 0.00 1.95 0.16 0.09 50.12 Average: 2 49.90 0.00 2.09 0.06 0.09 47.85 Average: 3 49.14 0.00 1.87 0.12 0.09 48.78