---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-35472 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 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 661 10493 4 4834 14985 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:b6:7b:1b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.211/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84383sec preferred_lft 84383sec inet6 fe80::f816:3eff:feb6:7b1b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 72:e5:4c:b2:57:25 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-35472) 07/13/26 _x86_64_ (4 CPU) 09:10:34 LINUX RESTART (4 CPU) 09:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 13.58 1.95 10.59 1.03 128.79 3100.52 3495.28 09:40:00 43.17 0.92 23.80 18.45 33.46 4067.84 242707.21 Average: 28.35 1.44 17.19 9.73 81.19 3583.51 122935.59 09:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10263284 13727568 2231204 13.63 138572 3436668 2606004 14.96 583824 5114288 17048 09:40:00 10816572 15396820 554860 3.39 171808 4439672 1103628 6.33 899932 4151996 82360 Average: 10539928 14562194 1393032 8.51 155190 3938170 1854816 10.65 741878 4633142 49704 09:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 09:30:01 ens3 79.43 62.13 264.50 18.40 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:00 lo 1645.29 1645.29 1568.73 1568.73 0.00 0.00 0.00 0.00 09:40:00 ens3 86.41 62.80 431.35 22.27 0.00 0.00 0.00 0.00 09:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 822.20 822.20 783.35 783.35 0.00 0.00 0.00 0.00 Average: ens3 82.91 62.47 347.81 20.33 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-35472) 07/13/26 _x86_64_ (4 CPU) 09:10:34 LINUX RESTART (4 CPU) 09:20:01 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 71.89 0.00 2.28 0.09 0.13 25.61 09:30:01 0 72.74 0.00 2.26 0.08 0.13 24.79 09:30:01 1 71.91 0.00 2.57 0.06 0.13 25.33 09:30:01 2 71.44 0.00 2.25 0.08 0.13 26.10 09:30:01 3 71.46 0.00 2.03 0.15 0.13 26.23 09:40:00 all 64.26 0.00 2.72 0.23 0.16 32.63 09:40:00 0 63.45 0.00 2.88 0.23 0.16 33.28 09:40:00 1 62.73 0.00 2.82 0.24 0.15 34.07 09:40:00 2 65.20 0.00 2.42 0.12 0.15 32.10 09:40:00 3 65.67 0.00 2.75 0.34 0.17 31.08 Average: all 68.08 0.00 2.50 0.16 0.14 29.12 Average: 0 68.11 0.00 2.57 0.15 0.14 29.03 Average: 1 67.33 0.00 2.69 0.15 0.14 29.69 Average: 2 68.32 0.00 2.34 0.10 0.14 29.10 Average: 3 68.57 0.00 2.39 0.24 0.15 28.65