---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25199 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 9.9G 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 700 10921 4 4367 14946 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:23:74:54 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.119/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84739sec preferred_lft 84739sec inet6 fe80::f816:3eff:fe23:7454/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:db:e9:36:20:80 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-25199) 06/05/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:08 43.17 2.56 34.19 6.42 141.71 4165.73 32989.88 22:20:14 31.53 0.32 25.41 5.81 11.93 3384.64 10883.19 Average: 37.36 1.44 29.80 6.12 76.87 3775.45 21943.92 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:08 10557140 13931208 2027608 12.38 154568 3336680 2206392 12.66 568124 4845844 32776 22:20:14 11280408 15388096 565964 3.46 195624 3970248 1104660 6.34 780828 3837616 144 Average: 10918774 14659652 1296786 7.92 175096 3653464 1655526 9.50 674476 4341730 16460 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:08 lo 3674.10 3674.10 3503.53 3503.53 0.00 0.00 0.00 0.00 22:10:08 ens3 145.57 110.19 792.09 28.69 0.00 0.00 0.00 0.00 22:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:14 lo 2397.05 2397.05 2274.17 2274.17 0.00 0.00 0.00 0.00 22:20:14 ens3 106.53 93.72 115.95 126.92 0.00 0.00 0.00 0.00 22:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3036.00 3036.00 2889.26 2889.26 0.00 0.00 0.00 0.00 Average: ens3 126.06 101.96 454.24 77.77 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-25199) 06/05/26 _x86_64_ (4 CPU) 21:55:30 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:08 all 57.02 0.00 3.36 0.12 0.09 39.41 22:10:08 0 57.65 0.00 3.08 0.05 0.09 39.13 22:10:08 1 55.83 0.00 3.85 0.17 0.09 40.06 22:10:08 2 57.82 0.00 3.61 0.15 0.09 38.33 22:10:08 3 56.77 0.00 2.91 0.10 0.09 40.13 22:20:14 all 39.33 0.00 2.28 0.08 0.07 58.24 22:20:14 0 36.15 0.00 2.22 0.04 0.07 61.51 22:20:14 1 38.21 0.00 2.24 0.17 0.07 59.31 22:20:14 2 42.84 0.00 2.30 0.06 0.07 54.72 22:20:14 3 40.12 0.00 2.34 0.03 0.08 57.43 Average: all 48.17 0.00 2.82 0.10 0.08 48.83 Average: 0 46.90 0.00 2.65 0.05 0.08 50.32 Average: 1 47.01 0.00 3.05 0.17 0.08 49.69 Average: 2 50.33 0.00 2.96 0.11 0.08 46.52 Average: 3 48.44 0.00 2.63 0.06 0.08 48.79