---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9885 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 12G 67G 15% / 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 656 9464 4 5868 14990 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:0d:31:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.8/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84752sec preferred_lft 84752sec inet6 fe80::f816:3eff:fe0d:3187/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:69:fd:1c:2b:b2 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-9885) 04/30/26 _x86_64_ (4 CPU) 10:16:39 LINUX RESTART (4 CPU) 10:20:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:21 19.86 0.17 16.26 3.43 7.24 1324.12 43266.92 10:40:21 39.52 0.16 22.18 17.18 4.83 2057.44 273358.93 Average: 29.69 0.16 19.22 10.31 6.03 1690.78 158312.93 10:20:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:21 9543316 13044824 2913448 17.79 128556 3496404 3215928 18.46 694416 5752612 632 10:40:21 8391356 13026492 2926344 17.87 152196 4554648 2963080 17.01 1092476 6452980 703580 Average: 8967336 13035658 2919896 17.83 140376 4025526 3089504 17.73 893446 6102796 352106 10:20:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:21 lo 33.00 33.00 7.72 7.72 0.00 0.00 0.00 0.00 10:30:21 ens3 14.49 10.75 96.74 2.80 0.00 0.00 0.00 0.00 10:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:21 lo 1521.92 1521.92 1429.28 1429.28 0.00 0.00 0.00 0.00 10:40:21 ens3 43.84 34.86 338.86 7.32 0.00 0.00 0.00 0.00 10:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 777.46 777.46 718.50 718.50 0.00 0.00 0.00 0.00 Average: ens3 29.17 22.80 217.80 5.06 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-9885) 04/30/26 _x86_64_ (4 CPU) 10:16:39 LINUX RESTART (4 CPU) 10:20:21 CPU %user %nice %system %iowait %steal %idle 10:30:21 all 26.49 0.00 1.04 0.37 0.09 72.02 10:30:21 0 26.28 0.00 1.07 0.49 0.09 72.07 10:30:21 1 26.90 0.00 0.96 0.19 0.09 71.86 10:30:21 2 27.21 0.00 1.17 0.25 0.09 71.28 10:30:21 3 25.58 0.00 0.95 0.53 0.09 72.85 10:40:21 all 39.17 0.00 1.89 0.09 0.09 58.77 10:40:21 0 40.71 0.00 1.85 0.15 0.09 57.20 10:40:21 1 38.42 0.00 1.94 0.07 0.09 59.48 10:40:21 2 38.61 0.00 1.77 0.07 0.09 59.46 10:40:21 3 38.93 0.00 1.99 0.06 0.09 58.93 Average: all 32.82 0.00 1.46 0.23 0.09 65.40 Average: 0 33.48 0.00 1.46 0.32 0.09 64.65 Average: 1 32.65 0.00 1.45 0.13 0.09 65.68 Average: 2 32.90 0.00 1.47 0.16 0.09 65.38 Average: 3 32.25 0.00 1.47 0.30 0.09 65.90