---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27868 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: 5599.86 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 12G 66G 15% / 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 787 9141 4 6059 14859 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:17:fe:51 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.214/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84038sec preferred_lft 84038sec inet6 fe80::f816:3eff:fe17:fe51/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 0e:fb:db:2a:59:0c 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-27868) 06/16/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:05 23.21 2.02 19.99 1.20 128.79 4753.35 4724.02 20:50:05 58.11 0.01 46.32 11.78 0.48 3424.35 11094.99 21:00:05 32.76 0.29 27.53 4.94 11.64 4766.36 5475.79 Average: 37.99 0.78 31.26 5.96 47.16 4315.71 7092.75 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:05 8972864 13437212 2514228 15.36 186852 4322876 2998224 17.21 834224 6084576 334452 20:50:05 8240052 13056732 2890564 17.65 209864 4619148 3109044 17.85 933668 6691416 142584 21:00:05 9500056 15338420 604848 3.69 242900 5553148 1132512 6.50 1298688 4992552 184 Average: 8904324 13944121 2003213 12.23 213205 4831724 2413260 13.85 1022193 5922848 159073 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:05 lo 131.86 131.86 124.52 124.52 0.00 0.00 0.00 0.00 20:40:05 ens3 95.68 69.46 355.02 19.94 0.00 0.00 0.00 0.00 20:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:05 lo 5846.43 5846.43 5574.67 5574.67 0.00 0.00 0.00 0.00 20:50:05 ens3 82.80 59.94 26.63 19.95 0.00 0.00 0.00 0.00 20:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:05 lo 2243.53 2243.53 2125.72 2125.72 0.00 0.00 0.00 0.00 21:00:05 ens3 99.42 92.16 111.41 150.74 0.00 0.00 0.00 0.00 21:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2734.55 2734.55 2602.53 2602.53 0.00 0.00 0.00 0.00 Average: ens3 92.64 73.84 164.80 63.44 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-4g-27868) 06/16/26 _x86_64_ (4 CPU) 20:24:20 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:05 all 69.99 0.00 2.41 0.05 0.09 27.46 20:40:05 0 71.08 0.00 2.19 0.02 0.09 26.62 20:40:05 1 68.24 0.00 2.19 0.07 0.09 29.41 20:40:05 2 69.76 0.00 2.62 0.08 0.08 27.46 20:40:05 3 70.88 0.00 2.66 0.03 0.09 26.35 20:50:05 all 61.70 0.00 4.34 0.15 0.10 33.71 20:50:05 0 62.17 0.00 5.00 0.11 0.10 32.62 20:50:05 1 61.77 0.00 3.64 0.21 0.10 34.29 20:50:05 2 60.03 0.00 4.08 0.11 0.10 35.69 20:50:05 3 62.84 0.00 4.66 0.18 0.09 32.22 21:00:05 all 46.26 0.00 2.70 0.10 0.08 50.86 21:00:05 0 44.50 0.00 2.44 0.05 0.08 52.93 21:00:05 1 47.17 0.00 3.02 0.06 0.08 49.68 21:00:05 2 48.38 0.00 2.84 0.12 0.08 48.59 21:00:05 3 44.98 0.00 2.49 0.20 0.08 52.25 Average: all 59.34 0.00 3.15 0.10 0.09 37.32 Average: 0 59.27 0.00 3.21 0.06 0.09 37.38 Average: 1 59.08 0.00 2.94 0.11 0.09 37.78 Average: 2 59.41 0.00 3.18 0.10 0.09 37.22 Average: 3 59.59 0.00 3.27 0.14 0.09 36.91