---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22635 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 673 10313 4 5002 14973 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:13:60:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84341sec preferred_lft 84341sec inet6 fe80::f816:3eff:fe13:60e4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9e:56:87:7a:ea:e6 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-22635) 06/02/26 _x86_64_ (4 CPU) 15:19:30 LINUX RESTART (4 CPU) 15:20:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:01 47.55 10.21 36.23 1.11 1598.00 5193.33 2602.40 15:40:08 11.63 0.50 10.05 1.08 17.58 2457.34 2787.33 15:50:08 40.21 0.70 21.88 17.63 23.40 3427.89 238862.42 Average: 33.05 3.79 22.68 6.58 544.82 3688.84 81072.83 15:20:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:01 11176652 14353916 1608168 9.82 119656 3206160 1981592 11.37 558752 4282560 35552 15:40:08 9063680 13008564 2946188 17.99 155404 3862136 3160036 18.14 758212 6094508 66412 15:50:08 10605892 15367992 582224 3.56 173264 4613252 1113848 6.39 975028 4268060 64 Average: 10282075 14243491 1712193 10.46 149441 3893849 2085159 11.97 763997 4881709 34009 15:20:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:01 lo 0.73 0.73 0.07 0.07 0.00 0.00 0.00 0.00 15:30:01 ens3 130.99 97.13 1040.98 19.21 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:08 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 15:40:08 ens3 75.40 57.55 197.14 17.63 0.00 0.00 0.00 0.00 15:40:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:08 lo 1522.37 1522.37 1447.34 1447.34 0.00 0.00 0.00 0.00 15:50:08 ens3 66.32 54.57 341.78 74.13 0.00 0.00 0.00 0.00 15:50:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 505.95 505.95 480.40 480.40 0.00 0.00 0.00 0.00 Average: ens3 90.86 69.72 525.62 36.91 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-22635) 06/02/26 _x86_64_ (4 CPU) 15:19:30 LINUX RESTART (4 CPU) 15:20:00 CPU %user %nice %system %iowait %steal %idle 15:30:01 all 28.69 0.00 1.30 2.57 0.06 67.37 15:30:01 0 27.74 0.00 1.31 6.51 0.05 64.39 15:30:01 1 28.32 0.00 1.38 1.81 0.06 68.44 15:30:01 2 30.15 0.00 1.39 0.79 0.06 67.61 15:30:01 3 28.56 0.00 1.14 1.18 0.06 69.06 15:40:08 all 72.11 0.00 2.24 0.13 0.12 25.39 15:40:08 0 72.09 0.00 2.08 0.11 0.12 25.61 15:40:08 1 72.01 0.00 2.29 0.14 0.12 25.44 15:40:08 2 73.30 0.00 2.32 0.11 0.12 24.15 15:40:08 3 71.06 0.00 2.27 0.18 0.12 26.37 15:50:08 all 31.48 0.00 1.63 0.16 0.07 66.66 15:50:08 0 29.82 0.00 1.48 0.16 0.07 68.48 15:50:08 1 32.46 0.00 1.65 0.17 0.07 65.66 15:50:08 2 31.65 0.00 1.73 0.14 0.07 66.43 15:50:08 3 32.00 0.00 1.68 0.18 0.07 66.06 Average: all 44.19 0.00 1.73 0.95 0.08 53.05 Average: 0 43.32 0.00 1.62 2.25 0.08 52.72 Average: 1 44.36 0.00 1.77 0.71 0.08 53.09 Average: 2 45.12 0.00 1.81 0.35 0.08 52.64 Average: 3 43.97 0.00 1.70 0.52 0.08 53.73