---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22690 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 13G 65G 17% / 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 702 8256 4 7031 14944 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:20:bc:db brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.250/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83744sec preferred_lft 83744sec inet6 fe80::f816:3eff:fe20:bcdb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:41:43:76:b1:9c 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-22690) 06/02/26 _x86_64_ (4 CPU) 19:02:24 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:13 25.24 0.43 21.88 2.94 19.39 3013.81 4278.42 19:30:03 34.16 0.01 30.58 3.57 0.15 2606.28 11789.40 19:40:01 5.12 0.02 4.79 0.31 0.32 2866.03 2354.20 Average: 21.48 0.16 19.05 2.27 6.75 2831.13 6101.56 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:13 8963024 12789476 3167836 19.35 142256 3789448 3125296 17.94 728668 6280340 193680 19:30:03 8206360 12478888 3475028 21.22 168184 4177688 3393332 19.48 852540 6877236 233676 19:40:01 5561476 10350036 5602380 34.22 169404 4677704 5206736 29.89 1025948 9290372 320 Average: 7576953 11872800 4081748 24.93 159948 4214947 3908455 22.43 869052 7482649 142559 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:13 lo 1454.59 1454.59 1380.04 1380.04 0.00 0.00 0.00 0.00 19:20:13 ens3 55.43 44.63 74.82 14.46 0.00 0.00 0.00 0.00 19:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:03 lo 1513.35 1513.35 1442.11 1442.11 0.00 0.00 0.00 0.00 19:30:03 ens3 45.68 35.79 27.00 12.67 0.00 0.00 0.00 0.00 19:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 lo 2441.20 2441.20 9196.39 9196.39 0.00 0.00 0.00 0.00 19:40:01 ens3 10.33 6.84 7.99 3.12 0.00 0.00 0.00 0.00 19:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1801.53 1801.53 3996.42 3996.42 0.00 0.00 0.00 0.00 Average: ens3 37.25 29.18 36.95 10.11 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-22690) 06/02/26 _x86_64_ (4 CPU) 19:02:24 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:13 all 67.57 0.00 2.34 0.17 0.11 29.81 19:20:13 0 67.40 0.00 2.25 0.10 0.11 30.14 19:20:13 1 67.66 0.00 2.39 0.09 0.11 29.75 19:20:13 2 67.15 0.00 2.46 0.31 0.10 29.98 19:20:13 3 68.07 0.00 2.26 0.20 0.10 29.36 19:30:03 all 65.62 0.00 2.65 0.07 0.12 31.55 19:30:03 0 66.28 0.00 2.38 0.04 0.11 31.19 19:30:03 1 65.93 0.00 2.70 0.07 0.12 31.19 19:30:03 2 65.97 0.00 2.75 0.04 0.11 31.12 19:30:03 3 64.29 0.00 2.75 0.13 0.12 32.71 19:40:01 all 32.32 0.00 1.17 0.04 0.08 66.40 19:40:01 0 34.70 0.00 1.39 0.00 0.08 63.82 19:40:01 1 32.61 0.00 0.71 0.02 0.08 66.58 19:40:01 2 27.92 0.00 1.39 0.04 0.08 70.56 19:40:01 3 34.02 0.00 1.18 0.09 0.08 64.63 Average: all 55.20 0.00 2.05 0.09 0.10 42.56 Average: 0 56.15 0.00 2.01 0.05 0.10 41.69 Average: 1 55.41 0.00 1.93 0.06 0.10 42.49 Average: 2 53.72 0.00 2.20 0.13 0.10 43.84 Average: 3 55.51 0.00 2.06 0.14 0.10 42.19