---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9590 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 656 10605 4 4727 14990 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:5d:16:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84614sec preferred_lft 84614sec inet6 fe80::f816:3eff:fe5d:16fa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:79:09:dd:64:ce 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-9590) 04/29/26 _x86_64_ (4 CPU) 08:52:10 LINUX RESTART (4 CPU) 09:00:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:10 10.68 0.43 9.18 1.07 16.45 2192.98 2203.19 09:20:20 27.75 0.76 22.78 4.21 25.74 3864.17 3842.79 Average: 19.41 0.60 16.14 2.67 21.20 3047.95 3042.00 09:00:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:10 10195888 13691932 2266136 13.84 144156 3456500 2479748 14.23 629512 5137180 24388 09:20:20 10910436 15391708 559372 3.42 171176 4349136 1098896 6.31 892708 4075980 132 Average: 10553162 14541820 1412754 8.63 157666 3902818 1789322 10.27 761110 4606580 12260 09:00:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:10 lo 1.36 1.36 0.14 0.14 0.00 0.00 0.00 0.00 09:10:10 ens3 61.44 49.39 101.25 16.79 0.00 0.00 0.00 0.00 09:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:20 lo 1656.91 1656.91 1570.74 1570.74 0.00 0.00 0.00 0.00 09:20:20 ens3 102.86 91.26 401.97 144.90 0.00 0.00 0.00 0.00 09:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 848.33 848.33 803.65 803.65 0.00 0.00 0.00 0.00 Average: ens3 82.63 70.81 255.10 82.33 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-9590) 04/29/26 _x86_64_ (4 CPU) 08:52:10 LINUX RESTART (4 CPU) 09:00:28 CPU %user %nice %system %iowait %steal %idle 09:10:10 all 70.06 0.00 2.19 0.03 0.12 27.60 09:10:10 0 67.86 0.00 2.07 0.02 0.12 29.93 09:10:10 1 71.49 0.00 2.08 0.02 0.12 26.30 09:10:10 2 69.34 0.00 2.19 0.04 0.12 28.31 09:10:10 3 71.55 0.00 2.43 0.02 0.12 25.88 09:20:20 all 50.90 0.00 2.30 0.07 0.09 46.64 09:20:20 0 54.60 0.00 2.41 0.05 0.09 42.85 09:20:20 1 50.41 0.00 2.02 0.07 0.09 47.41 09:20:20 2 50.34 0.00 2.82 0.06 0.09 46.70 09:20:20 3 48.24 0.00 1.97 0.09 0.08 49.61 Average: all 60.26 0.00 2.25 0.05 0.10 37.34 Average: 0 61.07 0.00 2.24 0.04 0.10 36.54 Average: 1 60.71 0.00 2.05 0.04 0.10 37.10 Average: 2 59.63 0.00 2.51 0.05 0.10 37.71 Average: 3 59.62 0.00 2.20 0.06 0.10 38.03