---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1283 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 10G 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 723 10891 4 4374 14923 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:b6:4a:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.42/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84768sec preferred_lft 84768sec inet6 fe80::f816:3eff:feb6:4a91/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:90:fc:ed:ab:a4 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-1283) 08/01/26 _x86_64_ (4 CPU) 21:55:34 LINUX RESTART (4 CPU) 22:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:26 50.38 2.49 39.90 7.99 138.00 4678.17 8235.27 22:20:10 25.02 0.16 20.40 4.46 10.22 2840.01 4699.40 Average: 38.13 1.37 30.48 6.28 76.29 3790.46 6527.67 22:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:26 10372796 13895200 2062528 12.60 168412 3453444 2239740 12.86 612460 4982996 29600 22:20:10 11253916 15368940 584900 3.57 198256 3972624 1109208 6.37 784116 3858844 4 Average: 10813356 14632070 1323714 8.08 183334 3713034 1674474 9.61 698288 4420920 14802 22:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:26 lo 4096.18 4096.18 3905.52 3905.52 0.00 0.00 0.00 0.00 22:10:26 ens3 165.03 125.93 754.38 33.07 0.00 0.00 0.00 0.00 22:10:26 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:10 lo 1761.28 1761.28 1666.86 1666.86 0.00 0.00 0.00 0.00 22:20:10 ens3 100.10 90.47 121.79 142.53 0.00 0.00 0.00 0.00 22:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2968.57 2968.57 2824.39 2824.39 0.00 0.00 0.00 0.00 Average: ens3 133.67 108.80 448.88 85.93 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1283) 08/01/26 _x86_64_ (4 CPU) 21:55:34 LINUX RESTART (4 CPU) 22:00:01 CPU %user %nice %system %iowait %steal %idle 22:10:26 all 64.79 0.00 3.82 0.11 0.10 31.19 22:10:26 0 63.23 0.00 3.50 0.10 0.09 33.07 22:10:26 1 65.61 0.00 3.69 0.07 0.10 30.53 22:10:26 2 65.36 0.00 4.24 0.09 0.09 30.22 22:10:26 3 64.96 0.00 3.83 0.19 0.10 30.93 22:20:10 all 31.96 0.00 1.91 0.07 0.06 66.00 22:20:10 0 27.57 0.00 2.02 0.05 0.06 70.31 22:20:10 1 33.93 0.00 1.72 0.04 0.07 64.25 22:20:10 2 31.99 0.00 1.82 0.09 0.06 66.04 22:20:10 3 34.39 0.00 2.09 0.08 0.07 63.37 Average: all 48.91 0.00 2.89 0.09 0.08 48.03 Average: 0 45.95 0.00 2.78 0.08 0.08 51.12 Average: 1 50.28 0.00 2.74 0.05 0.08 46.85 Average: 2 49.23 0.00 3.07 0.09 0.08 47.53 Average: 3 50.18 0.00 2.99 0.13 0.08 46.62