---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-30143 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 17G 61G 22% / 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 571 13292 3 2125 15075 Swap: 1023 156 867 ---> 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:4a:7a:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83379sec preferred_lft 83379sec inet6 fe80::f816:3eff:fe4a:7ae6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:ba:f8:2d:7a:04 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::cba:f8ff:fe2d:7a04/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-30143) 06/24/26 _x86_64_ (4 CPU) 12:58:41 LINUX RESTART (4 CPU) 13:00:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:15 136.06 9.04 121.50 5.52 839.68 39433.87 11906.60 13:20:00 75.55 25.90 32.56 17.10 1104.86 2580.99 218365.42 13:30:23 7.54 0.68 6.50 0.36 31.20 221.53 828.44 13:40:01 9.85 1.13 8.24 0.49 25.26 521.57 1549.00 Average: 56.83 9.07 41.96 5.80 495.18 10637.96 57276.42 13:00:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:15 1844412 9336748 6584084 40.21 256972 7019232 8701976 49.95 2139052 11599320 2816 13:20:00 7071476 8539452 7408960 45.25 166532 1475352 9361388 53.73 926348 8009096 676 13:30:23 9058488 10548324 5403384 33.00 167792 1495624 6923720 39.74 946960 6011888 268 13:40:01 10977020 12567824 3384444 20.67 172344 1587252 4409760 25.31 988956 4039732 164 Average: 7237849 10248087 5695218 34.78 190910 2894365 7349211 42.18 1250329 7415009 981 13:00:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:15 lo 4.84 4.84 5.19 5.19 0.00 0.00 0.00 0.00 13:10:15 ens3 132.67 104.69 1898.48 11.24 0.00 0.00 0.00 0.00 13:10:15 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 13:20:00 lo 36.65 36.65 23.67 23.67 0.00 0.00 0.00 0.00 13:20:00 ens3 1.82 1.78 0.45 0.40 0.00 0.00 0.00 0.00 13:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:23 lo 14.80 14.80 7.54 7.54 0.00 0.00 0.00 0.00 13:30:23 ens3 0.72 0.69 0.15 0.14 0.00 0.00 0.00 0.00 13:30:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 11.63 11.63 6.26 6.26 0.00 0.00 0.00 0.00 13:40:01 ens3 0.71 0.62 0.21 0.16 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 Average: lo 16.93 16.93 10.61 10.61 0.00 0.00 0.00 0.00 Average: ens3 33.84 26.83 472.89 2.97 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-30143) 06/24/26 _x86_64_ (4 CPU) 12:58:41 LINUX RESTART (4 CPU) 13:00:23 CPU %user %nice %system %iowait %steal %idle 13:10:15 all 51.11 0.00 2.68 2.77 0.10 43.34 13:10:15 0 52.21 0.00 2.78 3.39 0.10 41.53 13:10:15 1 48.58 0.00 2.97 2.36 0.10 45.99 13:10:15 2 52.77 0.00 2.59 2.37 0.10 42.18 13:10:15 3 50.87 0.00 2.40 2.97 0.09 43.66 13:20:00 all 54.89 0.00 2.18 1.05 0.13 41.75 13:20:00 0 53.85 0.00 2.34 0.78 0.13 42.90 13:20:00 1 54.83 0.00 2.24 1.27 0.13 41.53 13:20:00 2 55.30 0.00 2.10 1.51 0.13 40.97 13:20:00 3 55.58 0.00 2.05 0.66 0.13 41.58 13:30:23 all 15.48 0.00 0.60 1.20 0.08 82.63 13:30:23 0 15.41 0.00 0.57 1.38 0.08 82.55 13:30:23 1 15.79 0.00 0.61 0.12 0.09 83.39 13:30:23 2 15.29 0.00 0.63 1.09 0.09 82.89 13:30:23 3 15.42 0.00 0.60 2.22 0.08 81.69 13:40:01 all 16.20 0.00 0.63 0.11 0.08 82.98 13:40:01 0 15.46 0.00 0.65 0.09 0.07 83.73 13:40:01 1 17.18 0.00 0.61 0.04 0.09 82.08 13:40:01 2 16.45 0.00 0.68 0.17 0.08 82.61 13:40:01 3 15.71 0.00 0.58 0.12 0.08 83.52 Average: all 34.22 0.00 1.52 1.29 0.10 62.87 Average: 0 34.04 0.00 1.57 1.42 0.09 62.87 Average: 1 33.89 0.00 1.60 0.94 0.10 63.47 Average: 2 34.76 0.00 1.49 1.29 0.10 62.36 Average: 3 34.21 0.00 1.40 1.51 0.09 62.79