---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-30534 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: 5599.94 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 654 8181 4 7153 14992 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:59:79:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.96/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83777sec preferred_lft 83777sec inet6 fe80::f816:3eff:fe59:794c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:07:4f:4e:b5:88 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-30534) 06/25/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:14 20.89 0.07 18.26 2.56 6.59 2117.08 5380.18 19:30:01 35.91 0.01 32.22 3.67 0.22 2765.40 18360.38 19:40:11 8.32 0.02 8.08 0.21 0.26 7490.24 3090.95 Average: 21.53 0.03 19.36 2.13 2.37 4148.50 8835.54 19:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:14 8184464 12015260 3941528 24.07 144604 3792332 3937224 22.60 776168 7011780 5800 19:30:01 8329732 12751452 3202312 19.56 166860 4327876 3193608 18.33 903804 6690868 161292 19:40:11 6111256 12715192 3231240 19.74 186592 6418020 3223464 18.50 1711312 8018956 153176 Average: 7541817 12493968 3458360 21.12 166019 4846076 3451432 19.81 1130428 7240535 106756 19:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:14 lo 1167.23 1167.23 1105.82 1105.82 0.00 0.00 0.00 0.00 19:20:14 ens3 51.54 38.30 45.95 11.87 0.00 0.00 0.00 0.00 19:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1480.97 1480.97 1410.97 1410.97 0.00 0.00 0.00 0.00 19:30:01 ens3 48.72 38.57 31.71 14.00 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:11 lo 2502.37 2502.37 9134.63 9134.63 0.00 0.00 0.00 0.00 19:40:11 ens3 23.16 20.59 92.33 5.02 0.00 0.00 0.00 0.00 19:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1721.75 1721.75 3924.96 3924.96 0.00 0.00 0.00 0.00 Average: ens3 41.01 32.39 57.02 10.24 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-30534) 06/25/26 _x86_64_ (4 CPU) 19:01:29 LINUX RESTART (4 CPU) 19:10:09 CPU %user %nice %system %iowait %steal %idle 19:20:14 all 63.31 0.00 2.12 0.12 0.11 34.33 19:20:14 0 62.93 0.00 2.36 0.15 0.11 34.45 19:20:14 1 62.51 0.00 2.07 0.05 0.11 35.26 19:20:14 2 64.80 0.00 1.92 0.18 0.11 32.99 19:20:14 3 63.03 0.00 2.15 0.09 0.12 34.62 19:30:01 all 63.93 0.00 2.74 0.25 0.14 32.95 19:30:01 0 62.69 0.00 2.46 0.09 0.14 34.62 19:30:01 1 64.31 0.00 2.62 0.46 0.14 32.47 19:30:01 2 64.95 0.00 2.96 0.15 0.14 31.81 19:30:01 3 63.77 0.00 2.90 0.30 0.14 32.88 19:40:11 all 29.65 0.00 1.23 0.28 0.10 68.74 19:40:11 0 28.31 0.00 1.77 0.53 0.08 69.31 19:40:11 1 36.54 0.00 0.93 0.38 0.10 62.05 19:40:11 2 27.11 0.00 1.05 0.12 0.08 71.64 19:40:11 3 26.66 0.00 1.17 0.08 0.12 71.97 Average: all 52.10 0.00 2.02 0.21 0.12 45.55 Average: 0 51.12 0.00 2.19 0.26 0.11 46.32 Average: 1 54.29 0.00 1.86 0.30 0.12 43.43 Average: 2 52.07 0.00 1.96 0.15 0.11 45.71 Average: 3 50.91 0.00 2.06 0.16 0.13 46.74