---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-22556 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: 5599.94 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 18G 61G 23% / 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 728 11575 3 3685 14918 Swap: 1023 1 1022 ---> 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:fb:da:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83550sec preferred_lft 83550sec inet6 fe80::f816:3eff:fefb:da73/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ea:e7:f2:b8:2c:e9 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 inet6 fe80::e8e7:f2ff:feb8:2ce9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-22556) 06/02/26 _x86_64_ (4 CPU) 10:43:09 LINUX RESTART (4 CPU) 10:50:41 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:00:00 85.76 32.40 49.87 3.49 416.36 5663.48 2435.43 11:10:00 28.49 0.45 12.12 15.92 22.07 332.97 210614.05 11:20:31 18.28 0.17 17.22 0.89 10.59 967.52 1722.61 11:30:31 11.19 2.34 7.64 1.21 207.93 653.05 255.32 Average: 34.86 8.33 21.18 5.35 158.02 1828.78 53916.26 10:50:41 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:00 2260228 5181460 10752388 65.67 261072 2669364 11958628 68.64 1983716 11581484 596 11:10:00 8240432 11218548 4717012 28.81 266664 2720588 5447368 31.27 2025028 5545056 23436 11:20:31 8103496 11262184 4675984 28.56 274120 2893720 5314464 30.50 2065696 5668232 244 11:30:31 11917788 15306032 634624 3.88 277176 3116148 1281688 7.36 2150344 1772740 27652 Average: 7630486 10742056 5195002 31.73 269758 2849955 6000537 34.44 2056196 6141878 12982 10:50:41 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:00:00 lo 27.53 27.53 19.16 19.16 0.00 0.00 0.00 0.00 11:00:00 ens3 2.21 2.04 0.70 0.61 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 43.51 43.51 17.39 17.39 0.00 0.00 0.00 0.00 11:10:00 ens3 2.49 1.68 0.60 1.39 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:31 lo 21.34 21.34 10.82 10.82 0.00 0.00 0.00 0.00 11:20:31 ens3 1.54 1.19 0.43 0.36 0.00 0.00 0.00 0.00 11:20:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:31 lo 32.43 32.43 12.59 12.59 0.00 0.00 0.00 0.00 11:30:31 ens3 3.02 2.65 1.79 1.13 0.00 0.00 0.00 0.00 11:30:31 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 31.14 31.14 14.86 14.86 0.00 0.00 0.00 0.00 Average: ens3 2.31 1.88 0.88 0.87 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-16g-22556) 06/02/26 _x86_64_ (4 CPU) 10:43:09 LINUX RESTART (4 CPU) 10:50:41 CPU %user %nice %system %iowait %steal %idle 11:00:00 all 61.99 0.00 2.32 0.10 0.11 35.47 11:00:00 0 61.94 0.00 2.20 0.16 0.11 35.58 11:00:00 1 61.55 0.00 2.40 0.06 0.11 35.89 11:00:00 2 62.81 0.00 2.38 0.10 0.11 34.60 11:00:00 3 61.68 0.00 2.30 0.09 0.11 35.82 11:10:00 all 28.66 0.00 1.26 0.05 0.09 69.94 11:10:00 0 28.93 0.00 1.26 0.08 0.09 69.64 11:10:00 1 28.16 0.00 1.25 0.02 0.09 70.49 11:10:00 2 29.25 0.00 1.21 0.01 0.10 69.43 11:10:00 3 28.29 0.00 1.33 0.10 0.09 70.19 11:20:31 all 30.28 0.00 1.09 0.06 0.09 68.47 11:20:31 0 29.90 0.00 1.00 0.12 0.09 68.89 11:20:31 1 29.76 0.00 1.13 0.03 0.09 68.99 11:20:31 2 29.79 0.00 1.17 0.05 0.09 68.90 11:20:31 3 31.69 0.00 1.05 0.06 0.09 67.12 11:30:31 all 11.82 0.00 0.65 0.08 0.07 87.39 11:30:31 0 12.33 0.00 0.68 0.09 0.07 86.83 11:30:31 1 12.05 0.00 0.68 0.04 0.07 87.15 11:30:31 2 10.71 0.00 0.62 0.14 0.07 88.46 11:30:31 3 12.17 0.00 0.62 0.05 0.07 87.10 Average: all 32.66 0.00 1.31 0.07 0.09 65.86 Average: 0 32.74 0.00 1.27 0.11 0.09 65.79 Average: 1 32.35 0.00 1.34 0.03 0.09 66.18 Average: 2 32.59 0.00 1.33 0.08 0.09 65.92 Average: 3 32.96 0.00 1.30 0.08 0.09 65.57