---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-28271 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 18G 61G 23% / 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 744 5189 3 10055 14902 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:c5:5e:97 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83792sec preferred_lft 83792sec inet6 fe80::f816:3eff:fec5:5e97/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:d9:8e:7c:ec:fc 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 inet6 fe80::64d9:8eff:fe7c:ecfc/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-28271) 06/18/26 _x86_64_ (4 CPU) 07:41:19 LINUX RESTART (4 CPU) 07:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:10 49.93 1.37 31.80 16.76 73.55 3903.70 210047.64 08:10:01 10.62 0.00 10.22 0.39 0.03 426.28 403.42 08:20:29 4.46 0.00 4.29 0.16 0.10 99.47 45.51 Average: 21.56 0.46 15.35 5.75 24.48 1469.42 69945.10 07:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:10 3954676 13665204 2256724 13.78 274004 9182120 3062888 17.58 2377212 9239352 328 08:10:01 1486008 11285004 4634904 28.31 278360 9259876 5330760 30.60 2391360 11675016 232 08:20:29 598716 10407108 5512180 33.67 279408 9268120 6101948 35.03 2404024 12532016 684 Average: 2013133 11785772 4134603 25.25 277257 9236705 4831865 27.73 2390865 11148795 415 07:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:10 lo 18.38 18.38 8.85 8.85 0.00 0.00 0.00 0.00 08:00:10 ens3 3.02 2.45 0.93 2.57 0.00 0.00 0.00 0.00 08:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:01 lo 8.64 8.64 5.37 5.37 0.00 0.00 0.00 0.00 08:10:01 ens3 0.81 0.62 0.25 0.21 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:29 lo 33.33 33.33 12.85 12.85 0.00 0.00 0.00 0.00 08:20:29 ens3 0.96 0.87 0.24 0.18 0.00 0.00 0.00 0.00 08:20:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.37 20.37 9.10 9.10 0.00 0.00 0.00 0.00 Average: ens3 1.60 1.31 0.47 0.98 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-16g-28271) 06/18/26 _x86_64_ (4 CPU) 07:41:19 LINUX RESTART (4 CPU) 07:50:04 CPU %user %nice %system %iowait %steal %idle 08:00:10 all 40.99 0.00 1.50 9.46 0.11 47.94 08:00:10 0 41.61 0.00 1.61 11.77 0.11 44.90 08:00:10 1 40.49 0.00 1.44 11.12 0.11 46.85 08:00:10 2 41.15 0.00 1.39 2.16 0.12 55.19 08:00:10 3 40.71 0.00 1.55 12.80 0.11 44.83 08:10:01 all 13.34 0.00 0.45 1.89 0.06 84.26 08:10:01 0 13.51 0.00 0.51 0.92 0.05 85.00 08:10:01 1 13.58 0.00 0.47 1.74 0.06 84.15 08:10:01 2 13.14 0.00 0.43 2.01 0.06 84.36 08:10:01 3 13.12 0.00 0.41 2.89 0.05 83.52 08:20:29 all 11.24 0.00 0.48 0.35 0.09 87.84 08:20:29 0 11.53 0.00 0.47 0.17 0.07 87.77 08:20:29 1 10.94 0.00 0.57 0.89 0.07 87.54 08:20:29 2 11.56 0.00 0.45 0.08 0.14 87.77 08:20:29 3 10.95 0.00 0.43 0.27 0.07 88.29 Average: all 21.81 0.00 0.81 3.88 0.09 73.42 Average: 0 22.17 0.00 0.86 4.27 0.08 72.63 Average: 1 21.61 0.00 0.82 4.56 0.08 72.92 Average: 2 21.90 0.00 0.76 1.40 0.11 75.84 Average: 3 21.55 0.00 0.80 5.28 0.08 72.29