---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4866 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 736 9641 4 5610 14910 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:e8:06:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.52/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84631sec preferred_lft 84631sec inet6 fe80::f816:3eff:fee8:61c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:bd:54:02:26:d1 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-4866) 04/20/26 _x86_64_ (4 CPU) 12:35:29 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:18 30.74 0.53 27.13 3.09 18.44 3802.32 14572.48 13:00:18 41.27 0.04 24.62 16.60 1.68 5928.89 245047.19 Average: 35.93 0.29 25.89 9.75 10.18 4850.69 128192.64 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:18 8488032 12395464 3559860 21.74 158540 3829424 3855524 22.13 757576 6695472 177808 13:00:18 7488960 12634600 3315072 20.25 189420 4972016 3561276 20.44 1031020 7351312 34740 Average: 7988496 12515032 3437466 20.99 173980 4400720 3708400 21.29 894298 7023392 106274 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:18 lo 1477.64 1477.64 1408.04 1408.04 0.00 0.00 0.00 0.00 12:50:18 ens3 69.19 51.91 320.94 14.58 0.00 0.00 0.00 0.00 12:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:18 lo 686.89 686.89 653.85 653.85 0.00 0.00 0.00 0.00 13:00:18 ens3 60.31 48.04 234.94 13.70 0.00 0.00 0.00 0.00 13:00:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1087.82 1087.82 1036.24 1036.24 0.00 0.00 0.00 0.00 Average: ens3 64.81 50.00 278.54 14.14 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-4866) 04/20/26 _x86_64_ (4 CPU) 12:35:29 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:18 all 64.46 0.00 2.44 0.08 0.11 32.91 12:50:18 0 63.47 0.00 2.18 0.04 0.10 34.21 12:50:18 1 64.91 0.00 2.47 0.08 0.11 32.43 12:50:18 2 66.64 0.00 2.62 0.14 0.11 30.49 12:50:18 3 62.83 0.00 2.50 0.05 0.11 34.52 13:00:18 all 59.70 0.00 2.15 0.08 0.10 37.98 13:00:18 0 59.41 0.00 2.14 0.06 0.10 38.29 13:00:18 1 59.87 0.00 2.20 0.08 0.10 37.75 13:00:18 2 62.18 0.00 2.22 0.08 0.10 35.43 13:00:18 3 57.35 0.00 2.04 0.08 0.10 40.43 Average: all 62.11 0.00 2.30 0.08 0.10 35.41 Average: 0 61.46 0.00 2.16 0.05 0.10 36.22 Average: 1 62.42 0.00 2.33 0.08 0.10 35.06 Average: 2 64.44 0.00 2.42 0.11 0.10 32.93 Average: 3 60.13 0.00 2.27 0.07 0.10 37.43