---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20675 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: 5600.00 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 672 10517 4 4798 14974 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:e1:a1:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84396sec preferred_lft 84396sec inet6 fe80::f816:3eff:fee1:a1e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:45:19:70:47:18 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-20675) 05/27/26 _x86_64_ (4 CPU) 09:08:19 LINUX RESTART (4 CPU) 09:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:20:07 14.59 2.81 11.36 0.42 160.40 2934.05 1074.09 09:30:04 10.96 0.44 9.43 1.09 16.03 2213.98 2193.61 09:40:01 27.91 0.75 22.92 4.24 25.99 3828.99 11357.42 Average: 17.80 1.34 14.55 1.91 67.97 2991.95 4854.19 09:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:20:07 11044864 14013496 1949820 11.91 115712 3010752 2377576 13.65 477472 4506356 43136 09:30:04 9882372 13475824 2481020 15.15 145360 3543532 3003124 17.24 638136 5431240 21224 09:40:01 10809008 15363356 587056 3.59 173176 4414640 1112544 6.39 895468 4158352 400 Average: 10578748 14284225 1672632 10.22 144749 3656308 2164415 12.42 670359 4698649 21587 09:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:20:07 lo 0.46 0.46 0.04 0.04 0.00 0.00 0.00 0.00 09:20:07 ens3 63.02 50.93 632.40 9.57 0.00 0.00 0.00 0.00 09:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:04 lo 1.41 1.41 0.14 0.14 0.00 0.00 0.00 0.00 09:30:04 ens3 68.51 52.99 100.49 17.37 0.00 0.00 0.00 0.00 09:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 1798.46 1798.46 1704.03 1704.03 0.00 0.00 0.00 0.00 09:40:01 ens3 107.69 94.59 414.18 152.84 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 596.80 596.80 564.94 564.94 0.00 0.00 0.00 0.00 Average: ens3 79.65 66.09 383.68 59.65 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-20675) 05/27/26 _x86_64_ (4 CPU) 09:08:19 LINUX RESTART (4 CPU) 09:10:01 CPU %user %nice %system %iowait %steal %idle 09:20:07 all 18.40 0.00 0.76 0.37 0.06 80.41 09:20:07 0 20.12 0.00 0.76 0.22 0.06 78.85 09:20:07 1 16.89 0.00 0.76 0.26 0.06 82.03 09:20:07 2 19.10 0.00 0.76 0.62 0.06 79.46 09:20:07 3 17.50 0.00 0.76 0.37 0.06 81.31 09:30:04 all 71.97 0.00 2.26 0.17 0.13 25.47 09:30:04 0 71.89 0.00 2.25 0.10 0.13 25.62 09:30:04 1 70.79 0.00 2.24 0.13 0.13 26.70 09:30:04 2 73.32 0.00 2.20 0.24 0.13 24.12 09:30:04 3 71.88 0.00 2.35 0.20 0.13 25.43 09:40:01 all 50.51 0.00 2.38 0.14 0.10 46.87 09:40:01 0 49.64 0.00 2.43 0.34 0.10 47.49 09:40:01 1 46.57 0.00 2.16 0.09 0.11 51.07 09:40:01 2 54.14 0.00 2.60 0.04 0.10 43.11 09:40:01 3 51.71 0.00 2.32 0.09 0.11 45.78 Average: all 46.82 0.00 1.79 0.23 0.10 51.06 Average: 0 47.07 0.00 1.81 0.22 0.10 50.81 Average: 1 44.61 0.00 1.72 0.16 0.10 53.41 Average: 2 48.70 0.00 1.85 0.30 0.10 49.05 Average: 3 46.89 0.00 1.81 0.22 0.10 50.98