---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6132 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 11G 68G 14% / 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 652 10618 4 4717 14994 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:b2:72:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.18/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84556sec preferred_lft 84556sec inet6 fe80::f816:3eff:feb2:7205/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:79:21:78:82:a7 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-6132) 04/21/26 _x86_64_ (4 CPU) 08:58:49 LINUX RESTART (4 CPU) 09:00:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:10:29 20.09 2.81 16.31 0.97 160.16 3829.47 1487.27 09:20:01 20.00 0.82 17.03 2.15 29.47 3076.91 5419.34 Average: 20.05 1.85 16.66 1.54 96.78 3464.48 3394.33 09:00:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:10:29 10598312 13768892 2192336 13.39 127008 3180196 2539856 14.58 537080 4865208 21012 09:20:01 9079764 13182472 2771164 16.93 162052 4000960 3030516 17.40 758624 6088240 119956 Average: 9839038 13475682 2481750 15.16 144530 3590578 2785186 15.99 647852 5476724 70484 09:00:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:10:29 lo 1.00 1.00 0.11 0.11 0.00 0.00 0.00 0.00 09:10:29 ens3 89.70 73.16 736.57 17.41 0.00 0.00 0.00 0.00 09:10:29 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 903.95 903.95 861.44 861.44 0.00 0.00 0.00 0.00 09:20:01 ens3 72.83 54.73 338.80 16.30 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 438.93 438.93 417.85 417.85 0.00 0.00 0.00 0.00 Average: ens3 81.52 64.22 543.65 16.87 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-6132) 04/21/26 _x86_64_ (4 CPU) 08:58:49 LINUX RESTART (4 CPU) 09:00:21 CPU %user %nice %system %iowait %steal %idle 09:10:29 all 46.80 0.00 1.62 0.12 0.10 51.36 09:10:29 0 46.83 0.00 1.70 0.14 0.10 51.23 09:10:29 1 46.66 0.00 1.51 0.17 0.10 51.56 09:10:29 2 46.97 0.00 1.78 0.06 0.10 51.09 09:10:29 3 46.73 0.00 1.49 0.12 0.09 51.57 09:20:01 all 69.27 0.00 2.59 0.56 0.16 27.41 09:20:01 0 67.15 0.00 2.34 0.40 0.16 29.95 09:20:01 1 70.94 0.00 2.97 0.70 0.16 25.24 09:20:01 2 72.23 0.00 2.53 0.35 0.16 24.73 09:20:01 3 66.75 0.00 2.53 0.81 0.16 29.74 Average: all 57.69 0.00 2.09 0.34 0.13 39.76 Average: 0 56.68 0.00 2.01 0.26 0.13 40.91 Average: 1 58.43 0.00 2.22 0.42 0.13 38.80 Average: 2 59.21 0.00 2.14 0.20 0.13 38.32 Average: 3 56.43 0.00 1.99 0.46 0.13 40.99