---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14698 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: 5599.94 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 698 9406 4 5884 14948 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:5a:33:70 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.41/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83788sec preferred_lft 83788sec inet6 fe80::f816:3eff:fe5a:3370/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1a:76:3f:a7:f8:4f 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-14698) 05/14/26 _x86_64_ (4 CPU) 15:33:27 LINUX RESTART (4 CPU) 15:40:36 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:50:10 43.05 4.53 37.83 0.69 274.35 4036.42 1350.13 16:00:09 39.63 12.39 24.57 2.66 148.47 3756.27 7255.38 16:10:03 29.67 0.04 26.80 2.83 1.55 5959.60 10912.30 Average: 37.39 5.69 29.62 2.08 139.96 4588.11 6566.85 15:40:36 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:50:10 10930180 14019232 1943836 11.87 118324 3133700 2414080 13.86 597628 4494888 14580 16:00:09 8986676 13074492 2879952 17.59 164172 3991288 3366524 19.32 904696 6032968 89032 16:10:03 7483800 12905992 3042400 18.58 189300 5233144 3204604 18.39 1203084 7167496 22200 Average: 9133552 13333239 2622063 16.01 157265 4119377 2995069 17.19 901803 5898451 41937 15:40:36 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:50:10 lo 0.52 0.52 0.05 0.05 0.00 0.00 0.00 0.00 15:50:10 ens3 93.29 65.75 793.73 13.96 0.00 0.00 0.00 0.00 15:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:09 lo 1147.13 1147.13 1093.32 1093.32 0.00 0.00 0.00 0.00 16:00:09 ens3 75.50 55.75 331.55 15.86 0.00 0.00 0.00 0.00 16:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:03 lo 967.68 967.68 921.85 921.85 0.00 0.00 0.00 0.00 16:10:03 ens3 48.58 37.06 233.82 10.54 0.00 0.00 0.00 0.00 16:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 714.35 714.35 680.55 680.55 0.00 0.00 0.00 0.00 Average: ens3 72.23 52.71 448.81 13.45 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-14698) 05/14/26 _x86_64_ (4 CPU) 15:33:27 LINUX RESTART (4 CPU) 15:40:36 CPU %user %nice %system %iowait %steal %idle 15:50:10 all 15.97 0.00 0.77 0.29 0.04 82.93 15:50:10 0 17.26 0.00 0.88 0.42 0.04 81.40 15:50:10 1 14.08 0.00 0.72 0.55 0.05 84.61 15:50:10 2 17.13 0.00 0.93 0.14 0.04 81.76 15:50:10 3 15.41 0.00 0.54 0.06 0.04 83.95 16:00:09 all 64.42 0.07 2.45 0.13 0.13 32.80 16:00:09 0 60.87 0.00 2.36 0.06 0.13 36.58 16:00:09 1 67.79 0.03 2.75 0.18 0.13 29.12 16:00:09 2 64.81 0.26 2.23 0.19 0.13 32.38 16:00:09 3 64.21 0.00 2.45 0.07 0.13 33.13 16:10:03 all 56.28 0.00 2.26 1.01 0.11 40.34 16:10:03 0 54.78 0.00 1.86 0.29 0.10 42.96 16:10:03 1 58.16 0.00 2.78 2.19 0.11 36.76 16:10:03 2 54.94 0.00 2.08 0.58 0.11 42.30 16:10:03 3 57.27 0.00 2.30 1.00 0.11 39.33 Average: all 45.91 0.02 1.84 0.48 0.10 51.65 Average: 0 44.63 0.00 1.71 0.26 0.09 53.31 Average: 1 47.07 0.01 2.10 0.98 0.10 49.75 Average: 2 45.97 0.09 1.76 0.30 0.10 51.79 Average: 3 45.99 0.00 1.78 0.38 0.09 51.76