---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1179 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 67G 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 703 10329 4 4956 14942 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:5b:76:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84444sec preferred_lft 84444sec inet6 fe80::f816:3eff:fe5b:7674/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:34:78:b5:f9:f0 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-1179) 08/01/26 _x86_64_ (4 CPU) 11:35:07 LINUX RESTART (4 CPU) 11:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:50:01 13.87 2.19 10.82 0.86 334.84 2852.40 1361.18 12:00:06 26.76 0.77 22.47 3.51 27.78 3206.04 2922.04 Average: 20.37 1.48 16.69 2.20 179.95 3030.78 2148.51 11:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:50:01 10632800 14052256 1907532 11.65 129948 3413720 2263988 13.00 608636 4754836 26268 12:00:06 9036480 13302824 2649120 16.18 166024 4150316 2745408 15.76 833368 6014064 16612 Average: 9834640 13677540 2278326 13.92 147986 3782018 2504698 14.38 721002 5384450 21440 11:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:50:01 lo 0.92 0.92 0.09 0.09 0.00 0.00 0.00 0.00 11:50:01 ens3 98.37 78.74 819.50 16.37 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:06 lo 1555.99 1555.99 1483.45 1483.45 0.00 0.00 0.00 0.00 12:00:06 ens3 86.68 62.80 333.10 18.21 0.00 0.00 0.00 0.00 12:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 785.33 785.33 748.32 748.32 0.00 0.00 0.00 0.00 Average: ens3 92.47 70.70 574.15 17.30 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-1179) 08/01/26 _x86_64_ (4 CPU) 11:35:07 LINUX RESTART (4 CPU) 11:40:06 CPU %user %nice %system %iowait %steal %idle 11:50:01 all 46.45 0.00 1.51 0.06 0.07 51.91 11:50:01 0 45.26 0.00 1.67 0.08 0.07 52.92 11:50:01 1 45.43 0.00 1.37 0.04 0.07 53.09 11:50:01 2 47.17 0.00 1.66 0.10 0.07 51.01 11:50:01 3 47.94 0.00 1.33 0.03 0.07 50.63 12:00:06 all 67.34 0.00 2.68 0.06 0.09 29.84 12:00:06 0 66.10 0.00 2.71 0.07 0.09 31.02 12:00:06 1 68.29 0.00 2.79 0.07 0.09 28.76 12:00:06 2 68.56 0.00 2.44 0.05 0.08 28.86 12:00:06 3 66.41 0.00 2.76 0.03 0.09 30.71 Average: all 56.97 0.00 2.10 0.06 0.08 40.79 Average: 0 55.74 0.00 2.19 0.08 0.08 41.90 Average: 1 56.96 0.00 2.09 0.05 0.08 40.82 Average: 2 57.95 0.00 2.05 0.07 0.08 39.85 Average: 3 57.25 0.00 2.05 0.03 0.08 40.59