---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20029 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 666 8307 4 7015 14980 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:d9:73:31 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.234/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83811sec preferred_lft 83811sec inet6 fe80::f816:3eff:fed9:7331/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:36:a0:54:d3:59 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-20029) 05/25/26 _x86_64_ (4 CPU) 19:03:20 LINUX RESTART (4 CPU) 19:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:01 21.13 0.08 18.37 2.68 6.73 2129.07 4263.65 19:30:08 33.79 0.01 30.34 3.44 0.14 2435.71 12095.01 19:40:14 4.88 0.02 4.61 0.24 0.48 2764.80 1507.70 Average: 19.94 0.04 17.79 2.12 2.42 2445.29 5975.14 19:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:01 8768196 12459532 3497992 21.36 142488 3658628 3651364 20.96 710600 6495836 12352 19:30:08 9032960 13128860 2825452 17.26 163912 4013216 2985428 17.14 824208 6076768 31348 19:40:14 7882824 13219648 2730428 16.68 174796 5199868 2804892 16.10 1193840 6791912 555260 Average: 8561327 12936013 3017957 18.43 160399 4290571 3147228 18.07 909549 6454839 199653 19:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:01 lo 1290.31 1290.31 1223.06 1223.06 0.00 0.00 0.00 0.00 19:20:01 ens3 43.63 36.39 46.48 12.29 0.00 0.00 0.00 0.00 19:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:08 lo 1511.18 1511.18 1440.13 1440.13 0.00 0.00 0.00 0.00 19:30:08 ens3 35.36 30.10 24.24 11.72 0.00 0.00 0.00 0.00 19:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:14 lo 2534.06 2534.06 9217.13 9217.13 0.00 0.00 0.00 0.00 19:40:14 ens3 15.04 11.91 82.11 3.53 0.00 0.00 0.00 0.00 19:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1781.43 1781.43 3975.06 3975.06 0.00 0.00 0.00 0.00 Average: ens3 31.26 26.07 50.94 9.16 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-20029) 05/25/26 _x86_64_ (4 CPU) 19:03:20 LINUX RESTART (4 CPU) 19:10:08 CPU %user %nice %system %iowait %steal %idle 19:20:01 all 66.89 0.00 2.19 0.66 0.12 30.13 19:20:01 0 67.40 0.00 2.42 0.17 0.12 29.89 19:20:01 1 66.10 0.00 1.90 0.93 0.12 30.96 19:20:01 2 67.37 0.00 2.37 1.30 0.12 28.85 19:20:01 3 66.72 0.00 2.09 0.27 0.12 30.80 19:30:08 all 61.00 0.00 2.63 0.27 0.13 35.97 19:30:08 0 59.49 0.00 2.65 0.29 0.13 37.44 19:30:08 1 61.53 0.00 2.79 0.19 0.13 35.36 19:30:08 2 61.81 0.00 2.50 0.44 0.12 35.12 19:30:08 3 61.18 0.00 2.57 0.17 0.13 35.95 19:40:14 all 32.04 0.00 1.15 0.11 0.09 66.60 19:40:14 0 34.24 0.00 0.86 0.08 0.09 64.73 19:40:14 1 35.59 0.00 1.26 0.20 0.09 62.86 19:40:14 2 30.05 0.00 0.96 0.08 0.09 68.83 19:40:14 3 28.30 0.00 1.54 0.10 0.09 69.97 Average: all 53.22 0.00 1.99 0.35 0.11 44.32 Average: 0 53.62 0.00 1.98 0.18 0.11 44.11 Average: 1 54.33 0.00 1.98 0.44 0.11 43.14 Average: 2 52.99 0.00 1.94 0.60 0.11 44.36 Average: 3 51.96 0.00 2.07 0.18 0.11 45.68