---> uname -a: Linux prd-ubuntu2204-docker-v1-8c-8g-4167 5.15.0-181-generic #191-Ubuntu SMP Fri May 22 19:09:02 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 17G 62G 21% / 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 628 6747 4 8613 15017 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:20:e9:ee brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.21/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85006sec preferred_lft 85006sec inet6 fe80::f816:3eff:fe20:e9ee/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:4a:49:0a:56:b3 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 5.15.0-181-generic (prd-ubuntu2204-docker-v1-8c-8g-4167) 07/01/26 _x86_64_ (4 CPU) 05:17:24 LINUX RESTART (4 CPU) 05:20:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:30:07 40.10 3.52 35.20 1.39 176.65 15905.93 6736.20 05:40:01 275.20 4.56 260.34 10.30 178.57 14907.87 68325.07 Average: 157.04 4.04 147.18 5.82 177.60 15409.50 37370.70 05:20:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:30:07 7893392 13624992 2323752 14.19 200880 5528936 2564428 14.72 1163476 6773568 188324 05:40:01 6884108 15349076 576620 3.52 329976 7915108 1103160 6.33 2133888 6564124 11440 Average: 7388750 14487034 1450186 8.86 265428 6722022 1833794 10.53 1648682 6668846 99882 05:20:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:30:07 lo 0.68 0.68 0.18 0.18 0.00 0.00 0.00 0.00 05:30:07 ens3 171.70 138.21 1622.92 31.08 0.00 0.00 0.00 0.00 05:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:01 lo 17.82 17.82 1.68 1.68 0.00 0.00 0.00 0.00 05:40:01 ens3 117.72 118.31 308.51 672.11 0.00 0.00 0.00 0.00 05:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 9.21 9.21 0.92 0.92 0.00 0.00 0.00 0.00 Average: ens3 144.85 128.31 969.13 349.93 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 5.15.0-181-generic (prd-ubuntu2204-docker-v1-8c-8g-4167) 07/01/26 _x86_64_ (4 CPU) 05:17:24 LINUX RESTART (4 CPU) 05:20:07 CPU %user %nice %system %iowait %steal %idle 05:30:07 all 34.69 0.00 2.53 0.34 0.07 62.38 05:30:07 0 34.60 0.00 2.75 0.43 0.08 62.15 05:30:07 1 33.92 0.00 2.32 0.45 0.07 63.24 05:30:07 2 36.01 0.00 2.43 0.28 0.07 61.22 05:30:07 3 34.24 0.00 2.61 0.18 0.07 62.90 05:40:01 all 37.69 0.00 3.19 0.38 0.08 58.67 05:40:01 0 39.26 0.00 3.46 0.32 0.08 56.89 05:40:01 1 43.41 0.00 3.30 0.30 0.08 52.91 05:40:01 2 35.56 0.00 2.67 0.40 0.07 61.30 05:40:01 3 32.53 0.00 3.33 0.49 0.08 63.56 Average: all 36.18 0.00 2.86 0.36 0.07 60.53 Average: 0 36.91 0.00 3.10 0.37 0.08 59.53 Average: 1 38.63 0.00 2.81 0.37 0.07 58.12 Average: 2 35.78 0.00 2.55 0.34 0.07 61.26 Average: 3 33.40 0.00 2.97 0.34 0.07 63.23