---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9971 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 12G 67G 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 643 9532 4 5813 15003 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:05:e4:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83495sec preferred_lft 83495sec inet6 fe80::f816:3eff:fe05:e4b6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:0a:85:84:1f:86 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-9971) 04/30/26 _x86_64_ (4 CPU) 16:56:22 LINUX RESTART (4 CPU) 17:00:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:10:01 1.72 0.05 1.67 0.01 1.90 20.85 0.59 17:20:11 1.61 0.01 1.61 0.00 0.05 18.35 0.00 17:30:03 15.00 0.39 1.67 12.94 16.66 50.33 246449.86 17:40:01 70.56 4.37 63.65 2.54 263.97 10577.39 12294.54 Average: 22.15 1.20 17.12 3.83 70.47 2661.94 63891.95 17:00:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:10:01 13785160 15530012 488584 2.98 54020 1917972 1131916 6.50 192416 2157352 8 17:20:11 13782920 15528532 490116 2.99 54620 1918108 1131980 6.50 193028 2158140 4 17:30:03 13704828 15470684 547696 3.35 55588 1937200 1144724 6.57 201872 2232960 184 17:40:01 8188084 12918780 3036368 18.54 134656 4687424 3182232 18.27 1125416 6628092 884 Average: 12365248 14862002 1140691 6.97 74721 2615176 1647713 9.46 428183 3294136 270 17:00:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:10:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 17:10:01 ens3 0.28 0.11 0.09 0.04 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:11 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 17:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 17:30:03 ens3 9.29 6.01 20.17 2.85 0.00 0.00 0.00 0.00 17:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:01 lo 717.24 717.24 683.20 683.20 0.00 0.00 0.00 0.00 17:40:01 ens3 146.17 109.90 1330.25 21.16 0.00 0.00 0.00 0.00 17:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 179.07 179.07 170.50 170.50 0.00 0.00 0.00 0.00 Average: ens3 38.89 28.96 336.98 6.00 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-9971) 04/30/26 _x86_64_ (4 CPU) 16:56:22 LINUX RESTART (4 CPU) 17:00:04 CPU %user %nice %system %iowait %steal %idle 17:10:01 all 0.22 0.00 0.03 0.01 0.01 99.72 17:10:01 0 0.77 0.00 0.03 0.00 0.01 99.18 17:10:01 1 0.04 0.00 0.03 0.03 0.01 99.89 17:10:01 2 0.04 0.00 0.04 0.01 0.01 99.90 17:10:01 3 0.05 0.00 0.03 0.01 0.02 99.91 17:20:11 all 0.18 0.00 0.03 0.01 0.02 99.76 17:20:11 0 0.62 0.00 0.04 0.00 0.06 99.28 17:20:11 1 0.02 0.00 0.02 0.01 0.01 99.94 17:20:11 2 0.03 0.00 0.03 0.02 0.01 99.90 17:20:11 3 0.03 0.00 0.02 0.00 0.01 99.93 17:30:03 all 0.21 0.00 0.05 0.03 0.02 99.69 17:30:03 0 0.24 0.00 0.05 0.01 0.02 99.68 17:30:03 1 0.16 0.00 0.04 0.01 0.01 99.79 17:30:03 2 0.21 0.00 0.06 0.03 0.02 99.69 17:30:03 3 0.25 0.00 0.06 0.09 0.01 99.59 17:40:01 all 48.84 0.00 2.20 0.32 0.08 48.56 17:40:01 0 47.57 0.00 2.09 0.47 0.08 49.78 17:40:01 1 51.61 0.00 2.21 0.28 0.08 45.82 17:40:01 2 51.10 0.00 2.38 0.18 0.08 46.25 17:40:01 3 45.06 0.00 2.13 0.33 0.08 52.40 Average: all 12.31 0.00 0.58 0.09 0.03 86.99 Average: 0 12.25 0.00 0.55 0.12 0.04 87.03 Average: 1 12.90 0.00 0.57 0.08 0.03 86.42 Average: 2 12.79 0.00 0.62 0.06 0.03 86.50 Average: 3 11.29 0.00 0.56 0.11 0.03 88.01