---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36974 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 10G 68G 13% / 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 655 10941 4 4392 14991 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:ba:32:10 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.45/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84856sec preferred_lft 84856sec inet6 fe80::f816:3eff:feba:3210/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:da:1d:cd:0d:11 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-36974) 07/18/26 _x86_64_ (4 CPU) 21:55:39 LINUX RESTART (4 CPU) 22:00:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:19 60.69 2.60 37.27 20.82 143.95 4414.02 247657.40 22:20:19 30.50 0.16 25.22 5.12 9.93 3238.08 5596.09 Average: 45.59 1.38 31.25 12.97 76.94 3826.04 126624.73 22:00:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:19 10349596 13851076 2107168 12.87 159040 3451936 2574868 14.78 583984 5045636 99192 22:20:19 11262440 15396480 556320 3.40 198480 3991364 1120104 6.43 788724 3851612 164 Average: 10806018 14623778 1331744 8.13 178760 3721650 1847486 10.60 686354 4448624 49678 22:00:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:19 lo 4028.88 4028.88 3842.17 3842.17 0.00 0.00 0.00 0.00 22:10:19 ens3 169.24 125.43 784.44 31.76 0.00 0.00 0.00 0.00 22:10:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:19 lo 2181.77 2181.77 2060.89 2060.89 0.00 0.00 0.00 0.00 22:20:19 ens3 132.75 121.84 134.18 174.20 0.00 0.00 0.00 0.00 22:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3105.31 3105.31 2951.51 2951.51 0.00 0.00 0.00 0.00 Average: ens3 151.00 123.63 459.31 102.98 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-4g-36974) 07/18/26 _x86_64_ (4 CPU) 21:55:39 LINUX RESTART (4 CPU) 22:00:19 CPU %user %nice %system %iowait %steal %idle 22:10:19 all 61.10 0.00 3.69 0.13 0.10 35.00 22:10:19 0 60.81 0.00 3.50 0.17 0.10 35.43 22:10:19 1 61.53 0.00 4.11 0.12 0.10 34.14 22:10:19 2 60.91 0.00 3.63 0.09 0.10 35.27 22:10:19 3 61.13 0.00 3.50 0.13 0.10 35.15 22:20:19 all 40.39 0.00 2.24 0.09 0.08 57.20 22:20:19 0 35.61 0.00 2.24 0.04 0.07 62.04 22:20:19 1 45.18 0.00 1.95 0.05 0.08 52.74 22:20:19 2 39.13 0.00 2.45 0.20 0.08 58.14 22:20:19 3 41.69 0.00 2.30 0.08 0.08 55.85 Average: all 50.73 0.00 2.96 0.11 0.09 46.11 Average: 0 48.17 0.00 2.87 0.10 0.09 48.77 Average: 1 53.36 0.00 3.03 0.08 0.09 43.44 Average: 2 50.00 0.00 3.04 0.14 0.09 46.73 Average: 3 51.41 0.00 2.90 0.11 0.09 45.50