---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26901 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 67G 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 683 10263 4 5042 14962 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:49:e8:11 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.26/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84609sec preferred_lft 84609sec inet6 fe80::f816:3eff:fe49:e811/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:a4:29:8a:f9:2e 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-26901) 06/12/26 _x86_64_ (4 CPU) 15:22:39 LINUX RESTART (4 CPU) 15:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:00 11.82 0.44 10.24 1.14 17.35 2334.95 2035.33 15:50:00 47.26 0.77 28.25 18.24 26.21 3939.76 242036.51 Average: 29.54 0.61 19.24 9.69 21.78 3137.52 122060.92 15:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:00 9828988 13637732 2318564 14.16 149400 3752384 2523672 14.49 773204 5353440 23188 15:50:00 10545336 15347948 601376 3.67 176448 4653756 1105072 6.34 1040208 4272536 36 Average: 10187162 14492840 1459970 8.92 162924 4203070 1814372 10.41 906706 4812988 11612 15:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:00 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 15:40:00 ens3 71.86 55.16 103.90 18.26 0.00 0.00 0.00 0.00 15:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:00 lo 1675.91 1675.91 1589.16 1589.16 0.00 0.00 0.00 0.00 15:50:00 ens3 93.10 80.38 405.27 102.62 0.00 0.00 0.00 0.00 15:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 838.83 838.83 794.82 794.82 0.00 0.00 0.00 0.00 Average: ens3 82.48 67.77 254.62 60.45 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-26901) 06/12/26 _x86_64_ (4 CPU) 15:22:39 LINUX RESTART (4 CPU) 15:30:00 CPU %user %nice %system %iowait %steal %idle 15:40:00 all 73.20 0.00 2.17 0.20 0.11 24.31 15:40:00 0 74.08 0.00 2.05 0.12 0.11 23.64 15:40:00 1 70.01 0.00 2.17 0.39 0.11 27.33 15:40:00 2 72.60 0.00 1.93 0.13 0.11 25.23 15:40:00 3 76.13 0.00 2.54 0.17 0.11 21.06 15:50:00 all 50.27 0.00 2.30 0.58 0.09 46.76 15:50:00 0 47.76 0.00 2.36 0.98 0.09 48.81 15:50:00 1 51.48 0.00 2.45 0.27 0.09 45.71 15:50:00 2 49.69 0.00 2.33 0.68 0.09 47.21 15:50:00 3 52.16 0.00 2.07 0.38 0.09 45.30 Average: all 61.74 0.00 2.24 0.39 0.10 35.54 Average: 0 60.92 0.00 2.21 0.55 0.10 36.22 Average: 1 60.74 0.00 2.31 0.33 0.10 36.52 Average: 2 61.15 0.00 2.13 0.40 0.10 36.22 Average: 3 64.14 0.00 2.30 0.28 0.10 33.18