---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-6654 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 643 8697 4 6647 15003 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:17:7d:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83847sec preferred_lft 83847sec inet6 fe80::f816:3eff:fe17:7d72/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0a:92:17:e9:b7:7e 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-6654) 03/21/26 _x86_64_ (4 CPU) 11:50:39 LINUX RESTART (4 CPU) 12:00:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:10:02 32.20 2.99 26.05 3.15 162.73 4177.74 4291.67 12:20:08 44.59 0.02 27.98 16.59 0.40 2522.65 248897.70 12:30:08 17.10 0.32 15.07 1.71 12.43 8532.31 41027.03 Average: 31.34 1.10 23.04 7.19 57.97 5071.96 98901.08 12:00:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:10:02 9512020 13129884 2827904 17.27 142616 3597124 2962304 17.00 743548 5733120 32224 12:20:08 8382676 12644304 3309144 20.21 165156 4174084 3312372 19.01 905952 6652000 224688 12:30:08 8933496 15381768 564388 3.45 187040 6271664 1112156 6.38 1699812 5207684 12 Average: 8942731 13718652 2233812 13.64 164937 4680957 2462277 14.13 1116437 5864268 85641 12:00:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:10:02 lo 1575.42 1575.42 1495.80 1495.80 0.00 0.00 0.00 0.00 12:10:02 ens3 131.46 101.09 949.14 22.61 0.00 0.00 0.00 0.00 12:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:08 lo 1402.94 1402.94 1336.68 1336.68 0.00 0.00 0.00 0.00 12:20:08 ens3 41.64 32.74 44.94 10.86 0.00 0.00 0.00 0.00 12:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:08 lo 354.85 354.85 6944.89 6944.89 0.00 0.00 0.00 0.00 12:30:08 ens3 57.87 59.84 110.04 410.20 0.00 0.00 0.00 0.00 12:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1110.48 1110.48 3258.58 3258.58 0.00 0.00 0.00 0.00 Average: ens3 76.69 64.33 364.98 147.85 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-6654) 03/21/26 _x86_64_ (4 CPU) 11:50:39 LINUX RESTART (4 CPU) 12:00:08 CPU %user %nice %system %iowait %steal %idle 12:10:02 all 66.88 0.00 2.57 0.18 0.09 30.29 12:10:02 0 69.09 0.00 2.44 0.11 0.09 28.27 12:10:02 1 66.17 0.00 2.50 0.18 0.10 31.05 12:10:02 2 66.35 0.00 2.96 0.23 0.09 30.37 12:10:02 3 65.90 0.00 2.37 0.18 0.09 31.45 12:20:08 all 65.92 0.00 2.42 0.07 0.10 31.49 12:20:08 0 63.73 0.00 2.38 0.13 0.10 33.67 12:20:08 1 67.50 0.00 2.61 0.05 0.09 29.75 12:20:08 2 66.35 0.00 2.25 0.07 0.09 31.23 12:20:08 3 66.11 0.00 2.46 0.05 0.09 31.29 12:30:08 all 33.78 0.00 1.15 0.27 0.07 64.73 12:30:08 0 33.51 0.00 1.23 0.48 0.07 64.71 12:30:08 1 35.31 0.00 1.22 0.25 0.07 63.15 12:30:08 2 37.25 0.00 1.16 0.19 0.07 61.32 12:30:08 3 29.03 0.00 0.97 0.16 0.07 69.77 Average: all 55.49 0.00 2.04 0.17 0.09 42.20 Average: 0 55.40 0.00 2.01 0.24 0.09 42.26 Average: 1 56.31 0.00 2.11 0.16 0.09 41.33 Average: 2 56.61 0.00 2.12 0.16 0.09 41.02 Average: 3 53.65 0.00 1.93 0.13 0.09 44.20