---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9879 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 678 9405 4 5905 14968 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:38:aa:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84697sec preferred_lft 84697sec inet6 fe80::f816:3eff:fe38:aae6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:30:0d:e7:f1:94 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-9879) 04/30/26 _x86_64_ (4 CPU) 10:15:26 LINUX RESTART (4 CPU) 10:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:04 17.20 0.27 14.04 2.89 209.08 1222.71 40732.94 10:40:04 26.66 0.16 22.87 3.64 4.67 2687.08 27521.05 Average: 21.92 0.22 18.45 3.26 107.07 1953.52 34139.36 10:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:04 9394928 12940860 3017472 18.43 128040 3541032 3265536 18.74 729776 5850544 104 10:40:04 7525264 12932968 3017668 18.43 151112 5307984 3010984 17.28 1439860 6935032 1216400 Average: 8460096 12936914 3017570 18.43 139576 4424508 3138260 18.01 1084818 6392788 608252 10:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:04 lo 39.34 39.34 9.18 9.18 0.00 0.00 0.00 0.00 10:30:04 ens3 15.20 11.62 70.89 2.62 0.00 0.00 0.00 0.00 10:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:04 lo 1586.46 1586.46 1492.96 1492.96 0.00 0.00 0.00 0.00 10:40:04 ens3 49.87 38.90 448.84 7.61 0.00 0.00 0.00 0.00 10:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 811.45 811.45 749.68 749.68 0.00 0.00 0.00 0.00 Average: ens3 32.51 25.23 259.51 5.11 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-9879) 04/30/26 _x86_64_ (4 CPU) 10:15:26 LINUX RESTART (4 CPU) 10:20:01 CPU %user %nice %system %iowait %steal %idle 10:30:04 all 24.55 0.00 0.97 0.46 0.09 73.93 10:30:04 0 24.48 0.00 0.91 0.45 0.08 74.08 10:30:04 1 23.87 0.00 0.95 0.32 0.09 74.77 10:30:04 2 24.70 0.00 0.97 0.89 0.09 73.36 10:30:04 3 25.16 0.00 1.04 0.21 0.09 73.51 10:40:04 all 41.40 0.00 2.09 0.29 0.09 56.13 10:40:04 0 41.41 0.00 1.83 0.20 0.09 56.46 10:40:04 1 40.49 0.00 2.14 0.14 0.09 57.15 10:40:04 2 40.12 0.00 2.24 0.26 0.09 57.30 10:40:04 3 43.58 0.00 2.16 0.55 0.09 53.62 Average: all 32.96 0.00 1.53 0.38 0.09 65.04 Average: 0 32.93 0.00 1.37 0.32 0.09 65.28 Average: 1 32.16 0.00 1.54 0.23 0.09 65.98 Average: 2 32.40 0.00 1.60 0.57 0.09 65.34 Average: 3 34.36 0.00 1.60 0.38 0.09 63.57