---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39122 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 752 9529 4 5706 14894 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:9c:ef:ca brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.103/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84604sec preferred_lft 84604sec inet6 fe80::f816:3eff:fe9c:efca/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:a7:67:21:e2:ed 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-39122) 07/26/26 _x86_64_ (4 CPU) 12:35:20 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:10 27.77 0.59 24.53 2.66 22.22 4009.65 7433.10 13:00:10 28.61 0.04 25.69 2.87 1.57 5972.49 9992.13 Average: 28.19 0.32 25.10 2.76 11.98 4983.30 8702.49 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:10 8984736 12982104 2973232 18.16 160052 3910144 3139848 18.02 735340 6217656 179724 13:00:10 7783872 13026184 2923068 17.85 189228 5060532 3298484 18.93 1028080 7055520 26012 Average: 8384304 13004144 2948150 18.01 174640 4485338 3219166 18.48 881710 6636588 102868 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:10 lo 1267.14 1267.14 1208.00 1208.00 0.00 0.00 0.00 0.00 12:50:10 ens3 73.52 54.61 325.49 14.76 0.00 0.00 0.00 0.00 12:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:10 lo 866.06 866.06 824.80 824.80 0.00 0.00 0.00 0.00 13:00:10 ens3 57.79 43.58 233.88 12.30 0.00 0.00 0.00 0.00 13:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1068.19 1068.19 1017.91 1017.91 0.00 0.00 0.00 0.00 Average: ens3 65.72 49.14 280.05 13.54 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-39122) 07/26/26 _x86_64_ (4 CPU) 12:35:20 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:10 all 64.01 0.00 2.31 0.05 0.09 33.53 12:50:10 0 62.68 0.00 2.24 0.05 0.09 34.94 12:50:10 1 64.26 0.00 2.24 0.07 0.09 33.33 12:50:10 2 64.04 0.00 2.45 0.04 0.09 33.38 12:50:10 3 65.08 0.00 2.32 0.04 0.09 32.47 13:00:10 all 57.94 0.00 2.18 0.06 0.09 39.73 13:00:10 0 56.74 0.00 2.05 0.07 0.09 41.06 13:00:10 1 57.72 0.00 1.94 0.04 0.08 40.22 13:00:10 2 59.45 0.00 2.35 0.11 0.09 38.00 13:00:10 3 57.88 0.00 2.37 0.03 0.09 39.64 Average: all 61.00 0.00 2.25 0.06 0.09 36.61 Average: 0 59.73 0.00 2.15 0.06 0.09 37.97 Average: 1 61.01 0.00 2.09 0.06 0.09 36.75 Average: 2 61.76 0.00 2.40 0.08 0.09 35.67 Average: 3 61.50 0.00 2.34 0.03 0.09 36.03