---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-30246 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 18G 60G 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 716 12644 4 2629 14930 Swap: 1023 24 999 ---> 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:ec:6c:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82504sec preferred_lft 82504sec inet6 fe80::f816:3eff:feec:6c53/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:9e:8f:c3:b0:ed 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::489e:8fff:fec3:b0ed/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-30246) 06/24/26 _x86_64_ (4 CPU) 16:28:51 LINUX RESTART (4 CPU) 16:30:32 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:40:09 134.25 9.66 117.98 6.62 1457.87 41869.87 22329.89 16:50:01 52.17 21.11 29.45 1.61 1024.12 1904.78 2086.60 17:00:32 15.50 1.59 13.13 0.79 36.62 374.81 353.47 17:10:22 11.07 2.74 7.86 0.47 37.26 532.43 416.87 17:20:01 21.56 0.92 19.68 0.96 23.30 879.85 1012.05 17:30:32 8.99 0.41 8.28 0.30 13.47 229.64 149.07 Average: 39.67 5.97 31.95 1.75 420.71 7355.82 4239.96 16:30:32 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:40:09 1672248 9565492 6352956 38.80 266820 7403848 8477008 48.66 2438112 11475844 2800 16:50:01 4130180 5772400 10166964 62.10 267864 1522332 11431636 65.62 1043076 10787848 1116 17:00:32 4052764 5732064 10208440 62.35 269628 1557344 11017908 63.24 1081180 10820832 536 17:10:22 13535180 15330320 615252 3.76 273592 1664148 1383728 7.94 1127584 1308668 9848 17:20:01 9341892 11295288 4648844 28.39 280328 1810096 5445680 31.26 1155988 5456424 688 17:30:32 8591416 10577160 5366476 32.78 280924 1841720 6136788 35.23 1177800 6193428 132 Average: 6887280 9712121 6226489 38.03 273193 2633248 7315458 41.99 1337290 7673841 2520 16:30:32 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:40:09 lo 5.09 5.09 5.34 5.34 0.00 0.00 0.00 0.00 16:40:09 ens3 224.51 159.42 2226.60 15.89 0.00 0.00 0.00 0.00 16:40:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:01 lo 27.28 27.28 19.97 19.97 0.00 0.00 0.00 0.00 16:50:01 ens3 1.44 1.42 0.34 0.30 0.00 0.00 0.00 0.00 16:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:32 lo 48.51 48.51 19.81 19.81 0.00 0.00 0.00 0.00 17:00:32 ens3 1.43 1.32 0.32 0.28 0.00 0.00 0.00 0.00 17:00:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:22 lo 14.13 14.13 6.88 6.88 0.00 0.00 0.00 0.00 17:10:22 ens3 1.15 1.07 0.25 0.88 0.00 0.00 0.00 0.00 17:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 14.44 14.44 8.04 8.04 0.00 0.00 0.00 0.00 17:20:01 ens3 1.06 1.11 0.25 0.46 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:32 lo 23.67 23.67 10.18 10.18 0.00 0.00 0.00 0.00 17:30:32 ens3 0.81 0.71 0.18 0.15 0.00 0.00 0.00 0.00 17:30:32 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.59 22.59 11.82 11.82 0.00 0.00 0.00 0.00 Average: ens3 36.95 26.48 356.93 2.89 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-30246) 06/24/26 _x86_64_ (4 CPU) 16:28:51 LINUX RESTART (4 CPU) 16:30:32 CPU %user %nice %system %iowait %steal %idle 16:40:09 all 53.91 0.00 3.09 0.60 0.10 42.30 16:40:09 0 51.29 0.00 3.03 0.46 0.10 45.11 16:40:09 1 52.69 0.00 3.11 0.63 0.10 43.48 16:40:09 2 56.37 0.00 3.09 0.42 0.10 40.02 16:40:09 3 55.28 0.00 3.12 0.89 0.10 40.60 16:50:01 all 53.72 0.00 2.00 0.16 0.11 44.00 16:50:01 0 54.45 0.00 2.00 0.24 0.12 43.20 16:50:01 1 52.96 0.00 2.05 0.08 0.11 44.80 16:50:01 2 53.45 0.00 2.06 0.20 0.11 44.18 16:50:01 3 54.04 0.00 1.89 0.13 0.12 43.82 17:00:32 all 33.60 0.00 1.34 0.04 0.10 64.92 17:00:32 0 32.89 0.00 1.41 0.05 0.10 65.55 17:00:32 1 33.80 0.00 1.29 0.05 0.10 64.76 17:00:32 2 34.29 0.00 1.38 0.02 0.10 64.22 17:00:32 3 33.43 0.00 1.27 0.04 0.10 65.16 17:10:22 all 16.59 0.00 0.72 0.05 0.07 82.57 17:10:22 0 16.34 0.00 0.70 0.07 0.07 82.82 17:10:22 1 17.24 0.00 0.72 0.04 0.08 81.93 17:10:22 2 16.09 0.00 0.71 0.02 0.07 83.11 17:10:22 3 16.69 0.00 0.75 0.05 0.07 82.43 17:20:01 all 31.97 0.00 1.02 0.07 0.08 66.85 17:20:01 0 31.40 0.00 1.14 0.10 0.08 67.27 17:20:01 1 32.07 0.00 0.81 0.06 0.08 66.99 17:20:01 2 31.82 0.00 0.99 0.08 0.08 67.02 17:20:01 3 32.59 0.00 1.13 0.05 0.08 66.14 17:30:32 all 15.23 0.00 0.57 0.03 0.07 84.10 17:30:32 0 15.32 0.00 0.52 0.02 0.06 84.09 17:30:32 1 14.85 0.00 0.62 0.03 0.07 84.43 17:30:32 2 15.39 0.00 0.60 0.02 0.07 83.92 17:30:32 3 15.38 0.00 0.56 0.03 0.07 83.96 Average: all 33.89 0.00 1.44 0.15 0.09 64.43 Average: 0 33.36 0.00 1.45 0.15 0.09 64.95 Average: 1 33.66 0.00 1.42 0.14 0.09 64.69 Average: 2 34.27 0.00 1.46 0.12 0.09 64.06 Average: 3 34.27 0.00 1.44 0.20 0.09 64.01