---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-32648 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 16G 63G 20% / 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 709 11237 3 4043 14937 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:8b:31:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81054sec preferred_lft 81054sec inet6 fe80::f816:3eff:fe8b:319f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:ef:d6:be:95:d2 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::f4ef:d6ff:febe:95d2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-32648) 07/03/26 _x86_64_ (4 CPU) 12:41:38 LINUX RESTART (4 CPU) 12:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:14 56.56 22.04 32.78 1.74 251.51 2094.73 3198.94 13:10:01 21.88 0.04 20.86 0.98 1.33 474.35 870.48 13:20:14 5.04 0.06 4.81 0.18 3.28 134.18 47.75 13:30:14 4.41 0.00 4.24 0.17 0.16 109.77 264.19 13:40:01 7.53 0.01 7.22 0.31 1.39 221.82 319.13 13:50:14 19.00 0.05 4.10 14.85 0.98 72.70 213455.58 14:00:00 11.43 0.04 10.81 0.58 1.11 624.61 133.27 14:10:01 9.04 1.44 7.24 0.35 41.72 917.22 89.84 Average: 16.88 2.98 11.47 2.44 37.90 580.49 27920.38 12:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:14 6045592 9265884 6669956 40.74 242820 2944244 8673692 49.79 1750456 7997200 420 13:10:01 4216036 7478828 8456376 51.65 247208 2982128 9318056 53.49 1761664 9797828 640 13:20:14 7917376 11197968 4738108 28.94 247996 2999144 5513488 31.65 1765844 6105060 228 13:30:14 8036988 11330504 4607560 28.14 248652 3011380 5331208 30.60 1767332 5991860 876 13:40:01 7468804 10790520 5147680 31.44 249520 3038712 6382512 36.64 1772888 6561836 552 13:50:14 6331848 9661264 6275952 38.33 250548 3045392 7027172 40.34 1778688 7674260 120 14:00:00 7930352 11392640 4545312 27.76 254596 3169036 5297520 30.41 1794396 6071312 112 14:10:01 11599648 15321004 619164 3.78 256240 3422080 1297928 7.45 1833576 2347136 5776 Average: 7443330 10804826 5132514 31.35 249698 3076514 6105197 35.04 1778106 6568312 1090 12:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:14 lo 32.57 32.57 17.43 17.43 0.00 0.00 0.00 0.00 13:00:14 ens3 2.20 1.91 0.57 0.59 0.00 0.00 0.00 0.00 13:00:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 36.26 36.26 15.79 15.79 0.00 0.00 0.00 0.00 13:10:01 ens3 1.46 1.37 0.30 1.26 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:14 lo 23.80 23.80 10.48 10.48 0.00 0.00 0.00 0.00 13:20:14 ens3 0.81 0.59 0.19 0.14 0.00 0.00 0.00 0.00 13:20:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:14 lo 22.20 22.20 7.52 7.52 0.00 0.00 0.00 0.00 13:30:14 ens3 0.44 0.29 0.08 0.06 0.00 0.00 0.00 0.00 13:30:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 19.68 19.68 9.54 9.54 0.00 0.00 0.00 0.00 13:40:01 ens3 0.78 0.59 0.18 0.13 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:14 lo 17.24 17.24 10.26 10.26 0.00 0.00 0.00 0.00 13:50:14 ens3 0.60 0.41 0.12 0.09 0.00 0.00 0.00 0.00 13:50:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:00 lo 15.06 15.06 8.66 8.66 0.00 0.00 0.00 0.00 14:00:00 ens3 0.97 0.80 0.29 0.23 0.00 0.00 0.00 0.00 14:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:10:01 lo 33.00 33.00 12.82 12.82 0.00 0.00 0.00 0.00 14:10:01 ens3 1.63 1.39 0.67 0.46 0.00 0.00 0.00 0.00 14:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 24.97 24.97 11.56 11.56 0.00 0.00 0.00 0.00 Average: ens3 1.11 0.92 0.30 0.37 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-32648) 07/03/26 _x86_64_ (4 CPU) 12:41:38 LINUX RESTART (4 CPU) 12:50:11 CPU %user %nice %system %iowait %steal %idle 13:00:14 all 52.83 0.00 2.00 0.10 0.12 44.96 13:00:14 0 51.80 0.00 2.10 0.04 0.12 45.95 13:00:14 1 53.74 0.00 2.05 0.17 0.12 43.93 13:00:14 2 52.99 0.00 1.95 0.11 0.11 44.84 13:00:14 3 52.80 0.00 1.91 0.07 0.12 45.11 13:10:01 all 37.09 0.00 1.12 0.05 0.10 61.64 13:10:01 0 37.11 0.00 1.12 0.03 0.10 61.64 13:10:01 1 36.74 0.00 1.13 0.03 0.10 61.99 13:10:01 2 37.55 0.00 1.09 0.08 0.11 61.18 13:10:01 3 36.96 0.00 1.14 0.06 0.10 61.73 13:20:14 all 9.39 0.00 0.49 0.02 0.06 90.05 13:20:14 0 9.23 0.00 0.46 0.03 0.06 90.22 13:20:14 1 9.65 0.00 0.46 0.01 0.06 89.81 13:20:14 2 9.50 0.00 0.57 0.02 0.06 89.85 13:20:14 3 9.16 0.00 0.47 0.01 0.06 90.30 13:30:14 all 8.19 0.00 0.43 0.02 0.05 91.31 13:30:14 0 8.07 0.00 0.43 0.03 0.05 91.41 13:30:14 1 8.20 0.00 0.46 0.02 0.06 91.26 13:30:14 2 8.21 0.00 0.45 0.01 0.06 91.27 13:30:14 3 8.26 0.00 0.38 0.02 0.05 91.29 13:40:01 all 15.56 0.00 0.70 0.03 0.07 83.64 13:40:01 0 15.65 0.00 0.67 0.03 0.06 83.58 13:40:01 1 15.31 0.00 0.63 0.03 0.07 83.96 13:40:01 2 15.41 0.00 0.75 0.05 0.07 83.71 13:40:01 3 15.88 0.00 0.73 0.01 0.06 83.32 13:50:14 all 4.90 0.00 0.26 0.04 0.05 94.75 13:50:14 0 4.63 0.00 0.27 0.03 0.05 95.03 13:50:14 1 5.13 0.00 0.28 0.08 0.05 94.45 13:50:14 2 4.97 0.00 0.28 0.02 0.05 94.68 13:50:14 3 4.88 0.00 0.23 0.02 0.05 94.82 14:00:00 all 19.89 0.00 0.65 0.04 0.07 79.35 14:00:00 0 20.03 0.00 0.74 0.07 0.07 79.09 14:00:00 1 20.25 0.00 0.60 0.01 0.07 79.07 14:00:00 2 19.95 0.00 0.64 0.04 0.07 79.30 14:00:00 3 19.32 0.00 0.64 0.03 0.07 79.95 14:10:01 all 11.52 0.00 0.54 0.10 0.06 87.79 14:10:01 0 11.20 0.00 0.53 0.14 0.06 88.07 14:10:01 1 12.37 0.00 0.55 0.06 0.06 86.96 14:10:01 2 10.87 0.00 0.58 0.03 0.06 88.46 14:10:01 3 11.63 0.00 0.51 0.15 0.05 87.65 Average: all 19.82 0.00 0.77 0.05 0.07 79.29 Average: 0 19.61 0.00 0.79 0.05 0.07 79.48 Average: 1 20.07 0.00 0.77 0.05 0.07 79.04 Average: 2 19.82 0.00 0.79 0.04 0.07 79.27 Average: 3 19.76 0.00 0.75 0.05 0.07 79.37