---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34194 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 675 10277 4 5035 14971 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:3a:4d:1e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.77/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84104sec preferred_lft 84104sec inet6 fe80::f816:3eff:fe3a:4d1e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:44:7b:47:03:c9 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-34194) 07/09/26 _x86_64_ (4 CPU) 09:10:33 LINUX RESTART (4 CPU) 09:20:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 12.87 1.98 10.10 0.79 127.59 2740.22 1934.33 09:40:18 34.65 0.76 18.03 15.86 27.39 2907.48 234043.65 Average: 24.06 1.35 14.17 8.53 76.11 2826.15 121180.49 09:20:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 10447780 13975984 1982684 12.11 135552 3512120 2363832 13.57 570680 4966580 22188 09:40:18 8812676 13222632 2728188 16.66 170372 4286132 3144344 18.05 789228 6306132 84492 Average: 9630228 13599308 2355436 14.39 152962 3899126 2754088 15.81 679954 5636356 53340 09:20:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 1.07 1.07 0.11 0.11 0.00 0.00 0.00 0.00 09:30:01 ens3 79.05 69.08 597.89 16.36 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:18 lo 1206.18 1206.18 1149.19 1149.19 0.00 0.00 0.00 0.00 09:40:18 ens3 70.58 54.13 320.99 20.75 0.00 0.00 0.00 0.00 09:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 620.19 620.19 590.45 590.45 0.00 0.00 0.00 0.00 Average: ens3 74.70 61.40 455.63 18.62 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-34194) 07/09/26 _x86_64_ (4 CPU) 09:10:33 LINUX RESTART (4 CPU) 09:20:18 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 60.35 0.00 2.17 1.86 0.18 35.44 09:30:01 0 62.14 0.00 2.25 1.35 0.18 34.07 09:30:01 1 57.52 0.00 1.95 3.19 0.18 37.16 09:30:01 2 61.32 0.00 2.39 0.90 0.18 35.20 09:30:01 3 60.43 0.00 2.08 1.98 0.18 35.32 09:40:18 all 66.39 0.00 2.67 2.24 0.19 28.51 09:40:18 0 64.31 0.00 2.75 2.20 0.19 30.54 09:40:18 1 66.50 0.00 2.49 1.69 0.19 29.13 09:40:18 2 68.53 0.00 2.80 1.46 0.19 27.03 09:40:18 3 66.22 0.00 2.65 3.61 0.19 27.34 Average: all 63.45 0.00 2.43 2.05 0.19 31.88 Average: 0 63.26 0.00 2.51 1.79 0.19 32.26 Average: 1 62.13 0.00 2.23 2.42 0.18 33.04 Average: 2 65.03 0.00 2.60 1.19 0.18 31.00 Average: 3 63.41 0.00 2.37 2.81 0.19 31.21