---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-31998 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 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 708 12247 4 3033 14938 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:22:10:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83297sec preferred_lft 83297sec inet6 fe80::f816:3eff:fe22:10c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:f6:bc:b7:cf:31 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::c0f6:bcff:feb7:cf31/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-31998) 07/01/26 _x86_64_ (4 CPU) 04:38:11 LINUX RESTART (4 CPU) 04:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:00 132.56 9.74 116.24 6.58 1434.17 40333.33 17883.74 05:00:00 63.90 30.05 31.94 1.91 415.96 1742.48 1177.21 05:10:17 6.80 0.45 6.07 0.27 21.98 186.61 172.46 05:20:17 7.96 0.07 7.44 0.44 3.01 228.85 607.73 Average: 52.43 10.01 40.14 2.28 465.04 10531.95 4919.05 04:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:00 929892 8393964 7526376 45.97 266980 6984688 9603372 55.12 2463108 12200932 4388 05:00:00 3366432 5884140 10051072 61.39 274352 2296924 11480028 65.90 2006284 10492472 2852 05:10:17 8445524 10986688 4950052 30.23 274908 2319648 5626296 32.29 2020960 5376420 104 05:20:17 7092584 9650584 6288184 38.41 275956 2335400 7043224 40.43 2026356 6766400 384 Average: 4958608 8728844 7203921 44.00 273049 3484165 8438230 48.44 2129177 8709056 1932 04:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:00 lo 5.26 5.26 7.20 7.20 0.00 0.00 0.00 0.00 04:50:00 ens3 223.59 169.02 2058.56 16.00 0.00 0.00 0.00 0.00 04:50:00 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 05:00:00 lo 43.86 43.86 24.19 24.19 0.00 0.00 0.00 0.00 05:00:00 ens3 2.21 2.14 0.55 1.38 0.00 0.00 0.00 0.00 05:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:17 lo 28.17 28.17 10.24 10.24 0.00 0.00 0.00 0.00 05:10:17 ens3 0.65 0.54 0.13 0.11 0.00 0.00 0.00 0.00 05:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:17 lo 8.01 8.01 5.23 5.23 0.00 0.00 0.00 0.00 05:20:17 ens3 0.50 0.35 0.11 0.08 0.00 0.00 0.00 0.00 05:20:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.38 21.38 11.70 11.70 0.00 0.00 0.00 0.00 Average: ens3 56.24 42.64 510.32 4.35 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-31998) 07/01/26 _x86_64_ (4 CPU) 04:38:11 LINUX RESTART (4 CPU) 04:40:01 CPU %user %nice %system %iowait %steal %idle 04:50:00 all 52.86 0.00 2.88 0.53 0.10 43.63 04:50:00 0 55.20 0.00 3.21 0.62 0.10 40.88 04:50:00 1 53.06 0.00 2.90 0.59 0.10 43.35 04:50:00 2 51.68 0.00 2.78 0.45 0.10 44.98 04:50:00 3 51.51 0.00 2.63 0.46 0.10 45.30 05:00:00 all 61.43 0.00 2.18 0.12 0.12 36.16 05:00:00 0 61.50 0.00 2.18 0.20 0.12 36.01 05:00:00 1 61.08 0.00 2.27 0.07 0.12 36.46 05:00:00 2 61.82 0.00 2.10 0.08 0.12 35.88 05:00:00 3 61.31 0.00 2.17 0.12 0.12 36.27 05:10:17 all 11.10 0.00 0.54 0.03 0.07 88.26 05:10:17 0 11.20 0.00 0.51 0.07 0.06 88.15 05:10:17 1 10.84 0.00 0.58 0.03 0.07 88.49 05:10:17 2 11.15 0.00 0.60 0.03 0.07 88.15 05:10:17 3 11.22 0.00 0.47 0.00 0.07 88.24 05:20:17 all 16.42 0.00 0.60 0.03 0.06 82.88 05:20:17 0 15.93 0.00 0.55 0.03 0.06 83.44 05:20:17 1 16.77 0.00 0.68 0.08 0.07 82.40 05:20:17 2 16.39 0.00 0.54 0.02 0.07 82.98 05:20:17 3 16.58 0.00 0.64 0.01 0.06 82.70 Average: all 35.28 0.00 1.54 0.18 0.09 62.91 Average: 0 35.77 0.00 1.60 0.23 0.08 62.31 Average: 1 35.24 0.00 1.60 0.19 0.09 62.88 Average: 2 35.10 0.00 1.50 0.15 0.09 63.17 Average: 3 35.00 0.00 1.47 0.15 0.09 63.30