---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38428 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 11G 68G 14% / 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 663 10500 4 4825 14983 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:5b:14:59 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.98/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84588sec preferred_lft 84588sec inet6 fe80::f816:3eff:fe5b:1459/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b2:27:cd:45:e2:51 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-38428) 07/24/26 _x86_64_ (4 CPU) 15:56:00 LINUX RESTART (4 CPU) 16:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:01 13.76 1.97 11.00 0.79 126.22 2677.76 1489.01 16:20:01 28.39 0.77 24.07 3.55 27.92 4249.31 5934.78 Average: 21.08 1.37 17.54 2.17 77.04 3464.08 3713.43 16:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:01 10585116 13906484 2053604 12.54 129736 3316336 2469680 14.18 549048 4857704 27184 16:20:01 8502784 12972576 2978812 18.19 166456 4343852 3444276 19.77 859588 6530896 14052 Average: 9543950 13439530 2516208 15.37 148096 3830094 2956978 16.97 704318 5694300 20618 16:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:01 lo 1.01 1.01 0.10 0.10 0.00 0.00 0.00 0.00 16:10:01 ens3 89.01 71.03 645.82 16.35 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:01 lo 1584.70 1584.70 1510.73 1510.73 0.00 0.00 0.00 0.00 16:20:01 ens3 91.64 70.83 431.72 19.45 0.00 0.00 0.00 0.00 16:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 793.41 793.41 755.94 755.94 0.00 0.00 0.00 0.00 Average: ens3 90.33 70.93 538.70 17.90 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-38428) 07/24/26 _x86_64_ (4 CPU) 15:56:00 LINUX RESTART (4 CPU) 16:00:02 CPU %user %nice %system %iowait %steal %idle 16:10:01 all 50.27 0.00 1.65 0.04 0.08 47.97 16:10:01 0 51.00 0.00 1.75 0.02 0.08 47.16 16:10:01 1 50.76 0.00 1.60 0.06 0.08 47.51 16:10:01 2 49.87 0.00 1.70 0.05 0.08 48.30 16:10:01 3 49.44 0.00 1.55 0.02 0.07 48.92 16:20:01 all 68.68 0.00 2.66 0.06 0.10 28.50 16:20:01 0 66.77 0.00 2.73 0.04 0.11 30.35 16:20:01 1 67.88 0.00 2.96 0.08 0.10 28.98 16:20:01 2 70.84 0.00 2.63 0.09 0.10 26.34 16:20:01 3 69.20 0.00 2.31 0.04 0.10 28.34 Average: all 59.47 0.00 2.15 0.05 0.09 38.24 Average: 0 58.89 0.00 2.24 0.03 0.09 38.76 Average: 1 59.31 0.00 2.28 0.07 0.09 38.25 Average: 2 60.35 0.00 2.16 0.07 0.09 37.33 Average: 3 59.32 0.00 1.93 0.03 0.09 38.63