---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27055 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 733 9478 4 5776 14913 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:45:8b:d2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.245/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84212sec preferred_lft 84212sec inet6 fe80::f816:3eff:fe45:8bd2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:e8:96:c5:bb:9c 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-27055) 06/13/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:05 19.54 3.43 15.35 0.77 178.02 4429.31 577.83 06:50:05 44.97 12.02 29.43 3.52 138.29 3231.25 19281.13 07:00:01 21.72 0.05 19.31 2.37 1.18 5774.36 8057.61 Average: 28.74 5.17 21.36 2.21 106.19 4475.35 9292.52 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:05 9936232 13517188 2441580 14.91 141652 3553864 2808508 16.12 614764 5435248 208996 06:50:05 8489936 12786116 3166040 19.34 171656 4172132 3409292 19.57 845316 6564352 275572 07:00:01 5906444 11401724 4542840 27.75 209092 5246772 4699060 26.97 977156 8923296 292560 Average: 8110871 12568343 3383487 20.66 174133 4324256 3638953 20.89 812412 6974299 259043 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:05 lo 182.68 182.68 173.91 173.91 0.00 0.00 0.00 0.00 06:40:05 ens3 91.91 65.17 914.13 11.70 0.00 0.00 0.00 0.00 06:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:05 lo 1632.44 1632.44 1556.23 1556.23 0.00 0.00 0.00 0.00 06:50:05 ens3 51.65 43.28 189.62 13.89 0.00 0.00 0.00 0.00 06:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 411.67 411.67 391.30 391.30 0.00 0.00 0.00 0.00 07:00:01 ens3 51.83 41.23 109.22 13.00 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 741.99 741.99 706.88 706.88 0.00 0.00 0.00 0.00 Average: ens3 65.21 49.94 405.90 12.86 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-27055) 06/13/26 _x86_64_ (4 CPU) 06:28:20 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:05 all 22.68 0.00 0.93 0.11 0.05 76.23 06:40:05 0 23.03 0.00 1.06 0.17 0.05 75.69 06:40:05 1 23.15 0.00 0.70 0.05 0.04 76.05 06:40:05 2 23.56 0.00 0.92 0.16 0.05 75.31 06:40:05 3 21.00 0.00 1.03 0.07 0.05 77.85 06:50:05 all 65.23 0.07 2.49 0.10 0.09 32.03 06:50:05 0 63.96 0.04 2.37 0.09 0.09 33.45 06:50:05 1 66.89 0.00 2.30 0.05 0.08 30.67 06:50:05 2 66.13 0.12 3.06 0.11 0.09 30.50 06:50:05 3 63.92 0.12 2.24 0.15 0.09 33.48 07:00:01 all 57.41 0.00 1.98 0.08 0.08 40.45 07:00:01 0 56.02 0.00 2.20 0.13 0.08 41.57 07:00:01 1 59.19 0.00 1.95 0.05 0.08 38.72 07:00:01 2 55.59 0.00 1.64 0.06 0.09 42.63 07:00:01 3 58.84 0.00 2.14 0.06 0.08 38.88 Average: all 48.36 0.02 1.80 0.10 0.07 49.65 Average: 0 47.62 0.01 1.87 0.13 0.07 50.29 Average: 1 49.66 0.00 1.65 0.05 0.07 48.57 Average: 2 48.35 0.04 1.87 0.11 0.07 49.56 Average: 3 47.83 0.04 1.80 0.09 0.07 50.17