---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17163 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 66G 16% / 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 650 8936 4 6402 14996 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:cd:49:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84273sec preferred_lft 84273sec inet6 fe80::f816:3eff:fecd:4949/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:c0:ab:1d:38:7c 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-17163) 05/20/26 _x86_64_ (4 CPU) 15:28:41 LINUX RESTART (4 CPU) 15:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:19 33.47 3.86 26.64 2.98 197.47 4906.19 4405.98 15:50:07 26.18 0.02 23.44 2.73 0.22 2264.61 11479.73 16:00:27 33.81 11.53 19.77 2.50 128.09 8242.78 6713.09 Average: 31.22 5.23 23.25 2.74 109.74 5189.15 7490.19 15:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:19 10064280 13463008 2496128 15.25 132896 3401020 2435756 13.98 644968 5290152 13620 15:50:07 8962960 12765540 3190092 19.48 153192 3750644 3094796 17.76 753440 6211684 16052 16:00:27 9132876 15332144 615760 3.76 175992 6029920 1111920 6.38 1589468 5107708 30496 Average: 9386705 13853564 2100660 12.83 154027 4393861 2214157 12.71 995959 5536515 20056 15:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:19 lo 1384.40 1384.40 1313.42 1313.42 0.00 0.00 0.00 0.00 15:40:19 ens3 119.49 91.01 1033.02 19.67 0.00 0.00 0.00 0.00 15:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:07 lo 1133.19 1133.19 1079.28 1079.28 0.00 0.00 0.00 0.00 15:50:07 ens3 37.97 29.22 23.52 10.98 0.00 0.00 0.00 0.00 15:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:00:27 lo 806.12 806.12 7068.51 7068.51 0.00 0.00 0.00 0.00 16:00:27 ens3 44.10 33.36 114.79 10.67 0.00 0.00 0.00 0.00 16:00:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1105.24 1105.24 3204.22 3204.22 0.00 0.00 0.00 0.00 Average: ens3 67.27 51.25 391.59 13.78 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-17163) 05/20/26 _x86_64_ (4 CPU) 15:28:41 LINUX RESTART (4 CPU) 15:30:14 CPU %user %nice %system %iowait %steal %idle 15:40:19 all 53.65 0.00 2.25 0.15 0.10 43.86 15:40:19 0 54.76 0.00 2.08 0.17 0.10 42.89 15:40:19 1 52.42 0.00 2.28 0.08 0.09 45.14 15:40:19 2 54.80 0.00 2.51 0.11 0.10 42.48 15:40:19 3 52.61 0.00 2.14 0.23 0.10 44.92 15:50:07 all 66.53 0.00 2.33 0.14 0.13 30.87 15:50:07 0 67.52 0.00 2.21 0.06 0.13 30.08 15:50:07 1 66.51 0.00 2.35 0.09 0.13 30.92 15:50:07 2 67.00 0.00 2.46 0.19 0.13 30.23 15:50:07 3 65.10 0.00 2.30 0.21 0.13 32.26 16:00:27 all 42.60 0.08 1.76 0.38 0.11 55.06 16:00:27 0 45.57 0.00 1.96 0.34 0.12 52.02 16:00:27 1 42.16 0.10 2.02 0.62 0.11 54.99 16:00:27 2 40.01 0.00 1.48 0.24 0.11 58.16 16:00:27 3 42.67 0.20 1.59 0.34 0.11 55.09 Average: all 54.05 0.03 2.11 0.23 0.11 43.48 Average: 0 55.76 0.00 2.08 0.19 0.12 41.86 Average: 1 53.48 0.03 2.21 0.27 0.11 43.90 Average: 2 53.70 0.00 2.14 0.18 0.11 43.86 Average: 3 53.25 0.07 2.00 0.26 0.11 44.30