---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1275 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 693 10414 4 4881 14953 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:49:6c:00 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83199sec preferred_lft 83199sec inet6 fe80::f816:3eff:fe49:6c00/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:24:45:11:d3:c7 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-1275) 08/01/26 _x86_64_ (4 CPU) 20:41:54 LINUX RESTART (4 CPU) 20:50:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:00:12 1.57 0.01 1.56 0.00 0.04 29.37 0.13 21:10:12 32.26 13.75 5.22 13.28 254.01 1334.17 241279.31 21:20:12 11.04 0.42 9.55 1.06 16.33 2246.64 2893.71 21:30:00 34.49 0.65 29.46 4.38 25.61 4029.23 5689.99 Average: 19.76 3.72 11.36 4.68 74.25 1899.05 62755.14 20:50:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:12 13012656 15481604 492948 3.01 99120 2558752 986712 5.66 340308 2680444 96 21:10:12 11359320 14332652 1630600 9.96 118656 3003692 2240548 12.86 508752 4160412 25812 21:20:12 9679352 13303604 2653356 16.21 148476 3558376 2872584 16.49 674176 5591620 12996 21:30:00 10745612 15383544 567128 3.46 175992 4477816 1096528 6.29 940916 4185644 228 Average: 11199235 14625351 1336008 8.16 135561 3399659 1799093 10.33 616038 4154530 9783 20:50:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:00:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 21:00:12 ens3 8.14 6.80 139.40 0.80 0.00 0.00 0.00 0.00 21:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:12 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 21:10:12 ens3 51.29 40.96 566.50 6.39 0.00 0.00 0.00 0.00 21:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:12 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 21:20:12 ens3 67.52 50.62 96.45 16.07 0.00 0.00 0.00 0.00 21:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:30:00 lo 1825.53 1825.53 1737.19 1737.19 0.00 0.00 0.00 0.00 21:30:00 ens3 84.42 68.09 414.47 63.80 0.00 0.00 0.00 0.00 21:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 449.83 449.83 427.69 427.69 0.00 0.00 0.00 0.00 Average: ens3 52.69 41.48 303.64 21.55 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-1275) 08/01/26 _x86_64_ (4 CPU) 20:41:54 LINUX RESTART (4 CPU) 20:50:12 CPU %user %nice %system %iowait %steal %idle 21:00:12 all 0.30 0.00 0.04 0.01 0.02 99.63 21:00:12 0 0.01 0.00 0.02 0.01 0.01 99.95 21:00:12 1 0.26 0.00 0.05 0.00 0.02 99.67 21:00:12 2 0.07 0.00 0.03 0.03 0.02 99.85 21:00:12 3 0.86 0.00 0.06 0.00 0.03 99.04 21:10:12 all 10.24 0.07 0.44 0.12 0.03 89.10 21:10:12 0 10.43 0.00 0.30 0.02 0.02 89.23 21:10:12 1 11.57 0.01 0.49 0.03 0.03 87.86 21:10:12 2 9.27 0.27 0.52 0.37 0.03 89.53 21:10:12 3 9.69 0.00 0.44 0.04 0.04 89.79 21:20:12 all 72.31 0.00 2.32 0.03 0.10 25.25 21:20:12 0 73.12 0.00 2.36 0.04 0.10 24.39 21:20:12 1 74.10 0.00 2.56 0.03 0.10 23.21 21:20:12 2 70.80 0.00 2.24 0.04 0.10 26.82 21:20:12 3 71.20 0.00 2.10 0.02 0.10 26.59 21:30:00 all 52.99 0.00 2.49 0.08 0.08 44.35 21:30:00 0 52.59 0.00 2.35 0.16 0.08 44.82 21:30:00 1 53.09 0.00 2.40 0.04 0.08 44.39 21:30:00 2 56.40 0.00 2.53 0.03 0.08 40.96 21:30:00 3 49.90 0.00 2.69 0.10 0.08 47.24 Average: all 33.82 0.02 1.31 0.06 0.06 64.73 Average: 0 33.93 0.00 1.25 0.05 0.05 64.72 Average: 1 34.61 0.00 1.37 0.03 0.06 63.93 Average: 2 33.99 0.07 1.32 0.12 0.06 64.44 Average: 3 32.76 0.00 1.31 0.04 0.06 65.83