---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32178 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 67G 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 687 10269 4 5032 14959 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:07:c0:85 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84523sec preferred_lft 84523sec inet6 fe80::f816:3eff:fe07:c085/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:5a:0a:2c:9a:c0 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-32178) 07/01/26 _x86_64_ (4 CPU) 21:54:39 LINUX RESTART (4 CPU) 22:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:12 13.63 2.04 10.65 0.95 130.60 3002.04 3161.48 22:20:24 26.51 0.67 22.54 3.31 21.12 3889.59 12051.02 Average: 20.14 1.34 16.65 2.14 75.29 3450.43 7652.51 22:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:12 10144736 13776216 2182008 13.33 141564 3601812 2454768 14.09 713444 5113896 24376 22:20:24 8155864 12839456 3110896 19.00 170672 4549716 3459208 19.86 998644 6738584 2384 Average: 9150300 13307836 2646452 16.16 156118 4075764 2956988 16.97 856044 5926240 13380 22:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:12 lo 1.23 1.23 0.12 0.12 0.00 0.00 0.00 0.00 22:10:12 ens3 108.28 84.89 612.04 19.63 0.00 0.00 0.00 0.00 22:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:24 lo 1472.41 1472.41 1403.69 1403.69 0.00 0.00 0.00 0.00 22:20:24 ens3 85.38 63.27 416.75 15.58 0.00 0.00 0.00 0.00 22:20:24 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 744.48 744.48 709.21 709.21 0.00 0.00 0.00 0.00 Average: ens3 96.71 73.97 513.38 17.58 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-32178) 07/01/26 _x86_64_ (4 CPU) 21:54:39 LINUX RESTART (4 CPU) 22:00:12 CPU %user %nice %system %iowait %steal %idle 22:10:12 all 62.74 0.00 1.99 0.05 0.10 35.12 22:10:12 0 62.58 0.00 1.74 0.05 0.10 35.53 22:10:12 1 61.49 0.00 1.92 0.02 0.10 36.46 22:10:12 2 64.51 0.00 1.93 0.07 0.10 33.39 22:10:12 3 62.39 0.00 2.36 0.05 0.10 35.09 22:20:24 all 59.34 0.00 2.40 0.14 0.09 38.03 22:20:24 0 59.32 0.00 2.41 0.13 0.09 38.05 22:20:24 1 59.52 0.00 2.44 0.11 0.09 37.84 22:20:24 2 59.67 0.00 2.36 0.23 0.09 37.65 22:20:24 3 58.86 0.00 2.38 0.09 0.08 38.59 Average: all 61.03 0.00 2.20 0.10 0.09 36.59 Average: 0 60.94 0.00 2.08 0.09 0.09 36.80 Average: 1 60.50 0.00 2.19 0.07 0.09 37.16 Average: 2 62.06 0.00 2.15 0.15 0.09 35.54 Average: 3 60.61 0.00 2.37 0.07 0.09 36.86