---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-8286 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 13G 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 662 8707 4 6619 14984 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:51:0a:05 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.88/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83950sec preferred_lft 83950sec inet6 fe80::f816:3eff:fe51:a05/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:24:34:83:3e:24 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-8286) 04/26/26 _x86_64_ (4 CPU) 19:01:22 LINUX RESTART (4 CPU) 19:10:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:12 36.90 0.07 20.39 16.44 6.40 2175.49 242832.55 19:30:11 32.01 0.04 28.79 3.18 0.80 4517.58 10689.73 19:40:12 12.37 0.29 10.70 1.37 11.37 6541.46 49694.05 Average: 27.10 0.13 19.96 7.01 6.19 4410.00 101220.65 19:10:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:12 9547044 13186700 2770524 16.92 146652 3604676 2802652 16.09 720200 5682032 19972 19:30:11 7777996 12447448 3504916 21.41 163704 4571408 3503548 20.11 1005292 7129420 600 19:40:12 8947152 15364196 582680 3.56 181472 6244212 1094220 6.28 1658620 5217528 4 Average: 8757397 13666115 2286040 13.96 163943 4806765 2466807 14.16 1128037 6009660 6859 19:10:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:12 lo 1342.98 1342.98 1273.57 1273.57 0.00 0.00 0.00 0.00 19:20:12 ens3 43.38 36.45 26.30 12.64 0.00 0.00 0.00 0.00 19:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:11 lo 1229.78 1229.78 1165.72 1165.72 0.00 0.00 0.00 0.00 19:30:11 ens3 44.59 36.59 50.61 12.92 0.00 0.00 0.00 0.00 19:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:12 lo 2422.41 2422.41 9277.23 9277.23 0.00 0.00 0.00 0.00 19:40:12 ens3 54.09 57.46 137.73 432.22 0.00 0.00 0.00 0.00 19:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1665.12 1665.12 3905.55 3905.55 0.00 0.00 0.00 0.00 Average: ens3 47.36 43.50 71.53 152.59 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-8286) 04/26/26 _x86_64_ (4 CPU) 19:01:22 LINUX RESTART (4 CPU) 19:10:11 CPU %user %nice %system %iowait %steal %idle 19:20:12 all 66.16 0.00 2.28 0.06 0.10 31.41 19:20:12 0 64.09 0.00 2.30 0.11 0.10 33.41 19:20:12 1 67.76 0.00 2.15 0.06 0.10 29.94 19:20:12 2 64.69 0.00 2.23 0.04 0.10 32.94 19:20:12 3 68.09 0.00 2.45 0.02 0.10 29.34 19:30:11 all 59.95 0.00 2.47 0.10 0.08 37.40 19:30:11 0 59.54 0.00 2.45 0.05 0.09 37.88 19:30:11 1 59.96 0.00 2.38 0.15 0.08 37.44 19:30:11 2 62.32 0.00 2.59 0.10 0.08 34.91 19:30:11 3 57.97 0.00 2.47 0.09 0.08 39.39 19:40:12 all 30.51 0.00 1.12 0.09 0.06 68.21 19:40:12 0 29.72 0.00 0.99 0.04 0.06 69.19 19:40:12 1 35.95 0.00 1.09 0.07 0.06 62.82 19:40:12 2 30.91 0.00 1.07 0.24 0.06 67.71 19:40:12 3 25.46 0.00 1.33 0.02 0.06 73.12 Average: all 52.19 0.00 1.96 0.08 0.08 45.69 Average: 0 51.11 0.00 1.91 0.06 0.08 46.84 Average: 1 54.55 0.00 1.87 0.09 0.08 43.41 Average: 2 52.61 0.00 1.96 0.13 0.08 45.22 Average: 3 50.49 0.00 2.08 0.04 0.08 47.31