---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-23971 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 756 9196 4 6037 14890 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:b5:46:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.83/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83965sec preferred_lft 83965sec inet6 fe80::f816:3eff:feb5:461c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:3d:91:f9:38:9a 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-23971) 06/05/26 _x86_64_ (4 CPU) 10:15:07 LINUX RESTART (4 CPU) 10:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:30:01 63.03 4.67 44.34 14.03 644.01 4800.43 273846.15 10:40:02 32.11 0.50 28.69 2.92 16.55 3775.04 15466.88 10:50:02 31.84 0.05 28.89 2.90 1.63 6038.01 16437.51 Average: 42.30 1.74 33.96 6.61 220.24 4870.36 101714.45 10:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:01 10246496 13585932 2375268 14.51 124244 3364452 2786016 15.99 636680 5135396 35288 10:40:02 8929096 13100480 2852820 17.42 166936 4080032 3020248 17.34 899104 6098696 10448 10:50:02 7370544 12951652 2995320 18.29 191680 5392936 3445864 19.78 1194024 7293452 34368 Average: 8848712 13212688 2741136 16.74 160953 4279140 3084043 17.70 909936 6175848 26701 10:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:30:01 lo 0.58 0.58 0.05 0.05 0.00 0.00 0.00 0.00 10:30:01 ens3 108.66 80.11 1004.02 14.92 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:02 lo 1326.13 1326.13 1263.96 1263.96 0.00 0.00 0.00 0.00 10:40:02 ens3 65.30 47.20 325.75 14.37 0.00 0.00 0.00 0.00 10:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:02 lo 814.17 814.17 775.32 775.32 0.00 0.00 0.00 0.00 10:50:02 ens3 59.26 44.28 235.27 13.74 0.00 0.00 0.00 0.00 10:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 714.66 714.66 680.77 680.77 0.00 0.00 0.00 0.00 Average: ens3 77.71 57.17 521.15 14.34 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-23971) 06/05/26 _x86_64_ (4 CPU) 10:15:07 LINUX RESTART (4 CPU) 10:20:02 CPU %user %nice %system %iowait %steal %idle 10:30:01 all 16.83 0.00 1.08 0.50 0.06 81.52 10:30:01 0 16.66 0.00 1.02 0.22 0.06 82.05 10:30:01 1 15.18 0.00 1.04 0.76 0.06 82.95 10:30:01 2 17.94 0.00 1.14 0.75 0.06 80.11 10:30:01 3 17.54 0.00 1.14 0.28 0.05 80.99 10:40:02 all 64.61 0.00 2.49 0.09 0.12 32.69 10:40:02 0 65.87 0.00 2.30 0.08 0.12 31.63 10:40:02 1 64.60 0.00 2.31 0.09 0.12 32.88 10:40:02 2 63.51 0.00 2.95 0.10 0.12 33.31 10:40:02 3 64.44 0.00 2.39 0.11 0.12 32.95 10:50:02 all 59.98 0.00 2.25 0.11 0.11 37.55 10:50:02 0 54.42 0.00 1.89 0.07 0.11 43.50 10:50:02 1 63.14 0.00 2.62 0.10 0.11 34.03 10:50:02 2 60.00 0.00 2.22 0.10 0.12 37.56 10:50:02 3 62.37 0.00 2.26 0.15 0.11 35.11 Average: all 47.16 0.00 1.94 0.23 0.10 50.57 Average: 0 45.65 0.00 1.74 0.12 0.09 52.39 Average: 1 47.68 0.00 1.99 0.32 0.10 49.91 Average: 2 47.17 0.00 2.10 0.32 0.10 50.31 Average: 3 48.13 0.00 1.93 0.18 0.10 49.67