---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-28668 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 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 671 10218 4 5098 14975 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:01:3b:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.209/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84378sec preferred_lft 84378sec inet6 fe80::f816:3eff:fe01:3be2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 66:62:ab:39:7f:f9 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-28668) 06/19/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:12 20.13 3.03 16.14 0.95 363.69 3621.97 14306.56 15:00:12 12.41 0.45 10.91 1.05 16.00 2444.60 2567.08 15:10:01 28.18 0.76 23.44 3.97 25.82 3748.76 6502.38 Average: 20.19 1.43 16.79 1.98 137.13 3270.91 7836.89 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:12 11013188 14238552 1722676 10.52 122544 3252596 2185196 12.54 577924 4427144 27136 15:00:12 9243060 13182484 2771912 16.93 155864 3863048 2981136 17.11 754568 5944392 18008 15:10:01 10498232 15359692 588616 3.60 178516 4703832 1113252 6.39 1000128 4347024 204 Average: 10251493 14260243 1694401 10.35 152308 3939825 2093195 12.01 777540 4906187 15116 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:12 lo 0.58 0.58 0.06 0.06 0.00 0.00 0.00 0.00 14:50:12 ens3 82.63 64.40 831.11 11.67 0.00 0.00 0.00 0.00 14:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:12 lo 1.33 1.33 0.13 0.13 0.00 0.00 0.00 0.00 15:00:12 ens3 69.46 53.47 141.85 17.07 0.00 0.00 0.00 0.00 15:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1765.47 1765.47 1673.38 1673.38 0.00 0.00 0.00 0.00 15:10:01 ens3 96.12 83.06 415.26 152.63 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 578.71 578.71 547.98 547.98 0.00 0.00 0.00 0.00 Average: ens3 82.66 66.87 465.12 59.63 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-28668) 06/19/26 _x86_64_ (4 CPU) 14:38:31 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:12 all 20.06 0.00 0.88 11.30 0.05 67.70 14:50:12 0 19.53 0.00 1.03 14.97 0.05 64.42 14:50:12 1 22.30 0.00 1.06 0.24 0.06 76.34 14:50:12 2 19.12 0.00 0.71 14.33 0.05 65.80 14:50:12 3 19.29 0.00 0.74 15.67 0.06 64.24 15:00:12 all 70.44 0.00 2.14 1.58 0.11 25.73 15:00:12 0 70.48 0.00 1.81 1.41 0.12 26.19 15:00:12 1 71.54 0.00 2.16 1.47 0.11 24.72 15:00:12 2 68.44 0.00 2.20 1.09 0.11 28.16 15:00:12 3 71.30 0.00 2.40 2.34 0.11 23.85 15:10:01 all 43.03 0.00 2.11 3.63 0.09 51.14 15:10:01 0 45.60 0.00 2.24 5.13 0.09 46.95 15:10:01 1 44.72 0.00 2.17 2.11 0.09 50.91 15:10:01 2 43.15 0.00 2.20 5.29 0.09 49.28 15:10:01 3 38.63 0.00 1.85 1.98 0.09 57.45 Average: all 44.37 0.00 1.71 5.55 0.08 48.29 Average: 0 45.05 0.00 1.68 7.23 0.08 45.96 Average: 1 46.04 0.00 1.79 1.26 0.08 50.82 Average: 2 43.43 0.00 1.69 6.95 0.08 47.85 Average: 3 42.95 0.00 1.66 6.75 0.09 48.55