---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36890 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 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 746 9888 4 5353 14900 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:83:ac:78 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84800sec preferred_lft 84800sec inet6 fe80::f816:3eff:fe83:ac78/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:54:16:82:f9:a6 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-36890) 07/18/26 _x86_64_ (4 CPU) 11:08:20 LINUX RESTART (4 CPU) 11:10:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:20:09 29.37 3.50 23.90 1.97 178.52 5912.74 11094.93 11:30:09 32.07 0.04 28.85 3.17 1.56 6114.97 27080.06 Average: 30.71 1.77 26.37 2.57 90.20 6013.67 19073.27 11:10:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:20:09 9109436 13038852 2917424 17.82 150100 3863160 3172064 18.21 715284 6127232 182768 11:30:09 7740848 12961604 2987940 18.25 183440 5052812 3288020 18.87 1012672 7114288 39700 Average: 8425142 13000228 2952682 18.03 166770 4457986 3230042 18.54 863978 6620760 111234 11:10:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:20:09 lo 929.27 929.27 885.45 885.45 0.00 0.00 0.00 0.00 11:20:09 ens3 90.18 68.94 862.85 13.62 0.00 0.00 0.00 0.00 11:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:09 lo 1338.75 1338.75 1275.65 1275.65 0.00 0.00 0.00 0.00 11:30:09 ens3 46.45 35.30 228.96 8.08 0.00 0.00 0.00 0.00 11:30:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1133.65 1133.65 1080.20 1080.20 0.00 0.00 0.00 0.00 Average: ens3 68.35 52.15 546.47 10.85 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-36890) 07/18/26 _x86_64_ (4 CPU) 11:08:20 LINUX RESTART (4 CPU) 11:10:07 CPU %user %nice %system %iowait %steal %idle 11:20:09 all 66.72 0.00 2.32 0.10 0.11 30.75 11:20:09 0 68.35 0.00 1.89 0.04 0.10 29.62 11:20:09 1 66.38 0.00 2.39 0.10 0.10 31.02 11:20:09 2 65.95 0.00 2.46 0.06 0.11 31.42 11:20:09 3 66.22 0.00 2.56 0.18 0.11 30.94 11:30:09 all 57.24 0.00 2.40 0.28 0.10 39.98 11:30:09 0 57.21 0.00 2.45 0.18 0.10 40.05 11:30:09 1 57.36 0.00 2.16 0.07 0.11 40.30 11:30:09 2 58.05 0.00 2.57 0.08 0.10 39.20 11:30:09 3 56.33 0.00 2.40 0.80 0.11 40.36 Average: all 61.99 0.00 2.36 0.19 0.11 35.35 Average: 0 62.79 0.00 2.17 0.11 0.10 34.83 Average: 1 61.88 0.00 2.28 0.09 0.11 35.65 Average: 2 62.01 0.00 2.52 0.07 0.10 35.30 Average: 3 61.29 0.00 2.48 0.49 0.11 35.64