---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-65828 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 66G 16% / 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 629 8775 4 6584 15017 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:89:db:cb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83863sec preferred_lft 83863sec inet6 fe80::f816:3eff:fe89:dbcb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:14:e5:73:6e:d6 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-65828) 04/01/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:15 35.18 0.07 19.30 15.81 6.28 2051.58 237103.38 19:30:01 32.10 0.01 28.59 3.50 0.22 2945.68 62462.46 19:40:11 15.43 0.31 13.65 1.46 11.81 8146.09 50089.52 Average: 27.52 0.13 20.40 6.99 6.18 4395.48 117512.06 19:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:15 9358452 13079384 2877672 17.58 147564 3682208 2954340 16.96 722104 5895568 98624 19:30:01 8095512 12708868 3243972 19.81 163576 4518436 3236160 18.58 993500 6833312 517968 19:40:11 8977784 15359608 586916 3.58 185832 6206204 1110384 6.37 1646540 5190580 60 Average: 8810583 13715953 2236187 13.66 165657 4802283 2433628 13.97 1120715 5973153 205551 19:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:15 lo 1389.51 1389.51 1317.83 1317.83 0.00 0.00 0.00 0.00 19:20:15 ens3 39.84 33.61 25.29 12.03 0.00 0.00 0.00 0.00 19:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1366.96 1366.96 1302.32 1302.32 0.00 0.00 0.00 0.00 19:30:01 ens3 44.94 34.50 50.52 11.86 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:11 lo 2391.01 2391.01 9136.55 9136.55 0.00 0.00 0.00 0.00 19:40:11 ens3 45.99 50.00 157.84 398.16 0.00 0.00 0.00 0.00 19:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1719.80 1719.80 3948.39 3948.39 0.00 0.00 0.00 0.00 Average: ens3 43.57 39.42 78.14 142.14 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-65828) 04/01/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:01 CPU %user %nice %system %iowait %steal %idle 19:20:15 all 65.48 0.00 2.22 0.89 0.10 31.30 19:20:15 0 65.53 0.00 2.35 0.79 0.11 31.23 19:20:15 1 65.21 0.00 2.22 0.55 0.10 31.92 19:20:15 2 65.38 0.00 2.38 1.67 0.11 30.46 19:20:15 3 65.80 0.00 1.93 0.57 0.10 31.59 19:30:01 all 59.13 0.00 2.42 3.64 0.12 34.70 19:30:01 0 58.15 0.00 2.20 2.15 0.11 37.39 19:30:01 1 59.56 0.00 2.31 4.38 0.11 33.63 19:30:01 2 59.64 0.00 2.62 2.66 0.12 34.96 19:30:01 3 59.15 0.00 2.53 5.37 0.12 32.83 19:40:11 all 32.51 0.00 1.20 0.87 0.08 65.33 19:40:11 0 35.36 0.00 0.88 0.15 0.09 63.52 19:40:11 1 23.85 0.00 1.13 0.97 0.08 73.97 19:40:11 2 36.22 0.00 1.66 1.13 0.09 60.90 19:40:11 3 34.64 0.00 1.13 1.23 0.08 62.91 Average: all 52.30 0.00 1.94 1.77 0.10 43.89 Average: 0 52.96 0.00 1.81 1.01 0.10 44.12 Average: 1 49.40 0.00 1.88 1.93 0.10 46.69 Average: 2 53.70 0.00 2.21 1.81 0.11 42.17 Average: 3 53.14 0.00 1.85 2.35 0.10 42.56