---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1406 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 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 649 9291 4 6048 14997 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:22:71:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.144/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84391sec preferred_lft 84391sec inet6 fe80::f816:3eff:fe22:71ec/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:75:97:5f:e5:53 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-1406) 08/02/26 _x86_64_ (4 CPU) 01:08:15 LINUX RESTART (4 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 32.32 3.49 25.66 3.17 184.89 5100.21 55941.40 01:30:04 14.46 0.16 12.39 1.91 4.71 1513.20 22728.59 01:40:01 30.48 0.30 26.36 3.83 13.41 7526.97 9258.33 Average: 25.73 1.32 21.45 2.97 67.67 4702.69 29337.53 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 9359272 12904844 3053984 18.65 129768 3536132 3234720 18.57 691620 5927440 4940 01:30:04 8945900 12994996 2959984 18.08 151440 3982248 3197760 18.36 830608 6159648 118512 01:40:01 9561780 15398436 547496 3.34 175356 5666768 1096824 6.30 1600332 4679532 36 Average: 9288984 13766092 2187155 13.36 152188 4395049 2509768 14.41 1040853 5588873 41163 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 16.95 16.95 3.64 3.64 0.00 0.00 0.00 0.00 01:20:01 ens3 133.46 94.42 782.48 15.16 0.00 0.00 0.00 0.00 01:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:30:04 lo 682.32 682.32 615.71 615.71 0.00 0.00 0.00 0.00 01:30:04 ens3 32.27 23.18 236.07 4.91 0.00 0.00 0.00 0.00 01:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:40:01 lo 2017.27 2017.27 1943.95 1943.95 0.00 0.00 0.00 0.00 01:40:01 ens3 77.24 80.95 249.32 642.19 0.00 0.00 0.00 0.00 01:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 902.98 902.98 851.92 851.92 0.00 0.00 0.00 0.00 Average: ens3 80.92 66.09 422.65 219.58 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-1406) 08/02/26 _x86_64_ (4 CPU) 01:08:15 LINUX RESTART (4 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 35.05 0.00 1.46 0.18 0.07 63.24 01:20:01 0 34.06 0.00 1.51 0.11 0.07 64.25 01:20:01 1 34.83 0.00 1.53 0.20 0.07 63.37 01:20:01 2 35.97 0.00 1.45 0.12 0.08 62.37 01:20:01 3 35.34 0.00 1.34 0.28 0.07 62.96 01:30:04 all 24.50 0.00 1.35 0.05 0.09 74.02 01:30:04 0 24.19 0.00 1.33 0.10 0.08 74.30 01:30:04 1 25.30 0.00 1.47 0.03 0.08 73.12 01:30:04 2 24.58 0.00 1.25 0.01 0.09 74.06 01:30:04 3 23.92 0.00 1.33 0.06 0.09 74.59 01:40:01 all 44.50 0.00 2.36 0.12 0.08 52.95 01:40:01 0 43.70 0.00 2.50 0.14 0.08 53.59 01:40:01 1 43.22 0.00 2.20 0.06 0.08 54.45 01:40:01 2 47.49 0.00 2.42 0.05 0.08 49.95 01:40:01 3 43.58 0.00 2.30 0.23 0.08 53.81 Average: all 34.64 0.00 1.72 0.12 0.08 63.44 Average: 0 33.94 0.00 1.78 0.12 0.08 64.09 Average: 1 34.41 0.00 1.73 0.09 0.08 63.68 Average: 2 35.97 0.00 1.71 0.06 0.08 62.18 Average: 3 34.25 0.00 1.66 0.19 0.08 63.83