---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20499 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 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 680 9568 4 5739 14965 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:4d:8d:69 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.128/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83980sec preferred_lft 83980sec inet6 fe80::f816:3eff:fe4d:8d69/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 32:42:fa:05:10:00 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-20499) 05/27/26 _x86_64_ (4 CPU) 06:28:10 LINUX RESTART (4 CPU) 06:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:40:15 41.58 3.03 24.64 13.91 353.28 5021.02 237264.25 06:50:00 33.63 0.05 29.80 3.78 1.68 3161.77 42466.01 07:00:01 19.18 0.01 16.67 2.50 0.39 5297.88 92329.97 Average: 31.51 1.05 23.66 6.80 121.09 4508.85 125514.25 06:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:40:15 8953216 12652636 3305220 20.19 145360 3652568 3935248 22.59 702468 6305108 58764 06:50:00 8580736 12827804 3125836 19.09 167612 4143652 3398028 19.50 856324 6489736 171764 07:00:01 7625340 12883760 3065052 18.72 186396 5082372 3317128 19.04 1070412 7164596 25232 Average: 8386431 12788067 3165369 19.33 166456 4292864 3550135 20.38 876401 6653147 85253 06:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:40:15 lo 342.94 342.94 325.96 325.96 0.00 0.00 0.00 0.00 06:40:15 ens3 99.33 75.19 817.11 14.45 0.00 0.00 0.00 0.00 06:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:00 lo 1828.81 1828.81 1743.09 1743.09 0.00 0.00 0.00 0.00 06:50:00 ens3 43.33 35.05 189.37 10.87 0.00 0.00 0.00 0.00 06:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 lo 1123.03 1123.03 1071.48 1071.48 0.00 0.00 0.00 0.00 07:00:01 ens3 31.98 26.40 103.67 8.52 0.00 0.00 0.00 0.00 07:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1086.66 1086.66 1035.78 1035.78 0.00 0.00 0.00 0.00 Average: ens3 58.63 45.84 374.71 11.30 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-20499) 05/27/26 _x86_64_ (4 CPU) 06:28:10 LINUX RESTART (4 CPU) 06:30:01 CPU %user %nice %system %iowait %steal %idle 06:40:15 all 38.51 0.00 1.32 1.88 0.08 58.22 06:40:15 0 38.96 0.00 1.14 0.36 0.07 59.46 06:40:15 1 38.59 0.00 1.36 0.57 0.08 59.40 06:40:15 2 36.13 0.00 1.12 1.07 0.08 61.60 06:40:15 3 40.35 0.00 1.67 5.50 0.08 52.41 06:50:00 all 57.13 0.00 2.60 3.95 0.14 36.17 06:50:00 0 58.67 0.00 2.54 2.56 0.14 36.09 06:50:00 1 56.83 0.00 2.94 3.50 0.15 36.58 06:50:00 2 57.87 0.00 2.61 7.67 0.14 31.70 06:50:00 3 55.14 0.00 2.31 2.08 0.14 40.32 07:00:01 all 34.69 0.00 1.67 14.73 0.10 48.81 07:00:01 0 33.95 0.00 1.85 10.80 0.11 53.28 07:00:01 1 34.60 0.00 1.61 6.66 0.11 57.02 07:00:01 2 34.16 0.00 1.66 29.93 0.09 34.16 07:00:01 3 36.05 0.00 1.57 11.53 0.08 50.77 Average: all 43.27 0.00 1.85 6.84 0.11 47.93 Average: 0 43.69 0.00 1.83 4.56 0.11 49.82 Average: 1 43.17 0.00 1.95 3.56 0.11 51.21 Average: 2 42.52 0.00 1.78 12.85 0.11 42.74 Average: 3 43.71 0.00 1.84 6.40 0.10 47.94