---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38038 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 642 10439 4 4906 15004 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:03:b0:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83457sec preferred_lft 83457sec inet6 fe80::f816:3eff:fe03:b005/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:50:bc:68:d3:f3 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-38038) 07/23/26 _x86_64_ (4 CPU) 10:43:24 LINUX RESTART (4 CPU) 10:50:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:01 1.54 0.01 1.53 0.01 0.04 18.15 383.10 11:10:27 1.48 0.00 1.48 0.00 0.00 16.07 0.00 11:20:13 1.53 0.00 1.53 0.00 0.30 16.46 0.00 11:30:00 57.22 4.93 50.27 2.02 285.70 5927.37 4788.23 Average: 15.29 1.22 13.57 0.50 70.71 1477.96 1276.28 10:50:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 13552916 15516660 497584 3.04 59692 2127856 1155188 6.63 215828 2354376 200 11:10:27 13551908 15516468 497760 3.04 60340 2127996 1155364 6.63 216504 2358728 40 11:20:13 13551348 15516592 497640 3.04 60920 2128084 1155364 6.63 217092 2358616 24 11:30:00 9943768 13760744 2198844 13.43 130840 3820360 2412064 13.85 648044 5383556 263064 Average: 12649985 15077616 922957 5.64 77948 2551074 1469495 8.43 324367 3113819 65832 10:50:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:01 ens3 0.70 0.28 0.34 0.14 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:27 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:27 ens3 0.65 0.58 0.12 0.69 0.00 0.00 0.00 0.00 11:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:13 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:20:13 ens3 0.28 0.13 0.08 0.05 0.00 0.00 0.00 0.00 11:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 424.44 424.44 400.07 400.07 0.00 0.00 0.00 0.00 11:30:00 ens3 152.92 113.19 1261.44 22.78 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 105.00 105.00 98.90 98.90 0.00 0.00 0.00 0.00 Average: ens3 38.21 28.23 311.97 5.86 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-38038) 07/23/26 _x86_64_ (4 CPU) 10:43:24 LINUX RESTART (4 CPU) 10:50:27 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 0.11 0.00 0.03 0.05 0.01 99.80 11:00:01 0 0.04 0.00 0.04 0.00 0.01 99.91 11:00:01 1 0.18 0.00 0.03 0.00 0.01 99.78 11:00:01 2 0.02 0.00 0.02 0.19 0.01 99.76 11:00:01 3 0.20 0.00 0.04 0.00 0.01 99.75 11:10:27 all 0.19 0.00 0.03 0.01 0.01 99.76 11:10:27 0 0.34 0.00 0.04 0.00 0.01 99.60 11:10:27 1 0.03 0.00 0.03 0.00 0.01 99.93 11:10:27 2 0.06 0.00 0.05 0.02 0.01 99.87 11:10:27 3 0.35 0.00 0.02 0.01 0.00 99.62 11:20:13 all 0.07 0.00 0.04 0.01 0.01 99.87 11:20:13 0 0.03 0.00 0.05 0.02 0.01 99.89 11:20:13 1 0.03 0.00 0.03 0.00 0.01 99.94 11:20:13 2 0.01 0.00 0.03 0.00 0.01 99.95 11:20:13 3 0.22 0.00 0.05 0.03 0.01 99.69 11:30:00 all 50.03 0.00 2.12 0.26 0.12 47.47 11:30:00 0 48.71 0.00 1.92 0.06 0.12 49.19 11:30:00 1 51.63 0.00 2.46 0.32 0.12 45.48 11:30:00 2 50.33 0.00 1.86 0.14 0.13 47.54 11:30:00 3 49.45 0.00 2.23 0.51 0.12 47.69 Average: all 12.44 0.00 0.55 0.08 0.04 86.90 Average: 0 12.13 0.00 0.51 0.02 0.04 87.30 Average: 1 12.78 0.00 0.63 0.08 0.04 86.47 Average: 2 12.44 0.00 0.48 0.09 0.04 86.95 Average: 3 12.40 0.00 0.58 0.14 0.04 86.85