---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38108 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: 5600.00 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 67G 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 765 9513 4 5710 14881 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:8a:0d:5e 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 82474sec preferred_lft 82474sec inet6 fe80::f816:3eff:fe8a:d5e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4a:c8:39:8a:68:97 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-38108) 07/23/26 _x86_64_ (4 CPU) 12:39:36 LINUX RESTART (4 CPU) 12:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:01 11.03 5.91 5.05 0.07 1137.74 4090.77 959.83 13:00:03 1.28 0.00 1.28 0.00 0.04 14.47 0.00 13:10:03 1.22 0.00 1.22 0.00 0.00 13.67 0.07 13:20:01 42.53 4.71 36.58 1.24 273.77 5691.15 1500.38 13:30:03 28.13 0.15 24.90 3.07 6.19 2671.08 21377.70 13:40:03 22.66 0.04 20.26 2.37 1.53 5832.19 6659.80 Average: 17.80 1.80 14.87 1.13 236.60 3050.08 5086.38 12:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:01 13763484 15517764 501396 3.06 53880 1927284 1145024 6.57 193616 2170964 208 13:00:03 13760460 15515176 504016 3.08 54268 1927296 1145088 6.57 194008 2171868 168 13:10:03 13757688 15512836 506252 3.09 54688 1927308 1145088 6.57 194420 2173032 216 13:20:01 10534404 13954000 2005752 12.25 141364 3396356 2280980 13.09 592720 4852816 20552 13:30:03 9481140 13347428 2607400 15.92 163280 3781316 2697240 15.48 739468 5694428 13968 13:40:03 7611332 12858148 3090404 18.87 187000 5066740 3256588 18.69 1025064 7216228 19252 Average: 11484751 14450892 1535870 9.38 109080 3004383 1945001 11.16 489883 4046556 9061 12:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 12:50:01 ens3 14.99 8.87 36.20 2.08 0.00 0.00 0.00 0.00 12:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:00:03 ens3 0.33 0.11 0.07 0.04 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 13:10:03 ens3 0.24 0.11 0.07 0.04 0.00 0.00 0.00 0.00 13:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:01 lo 349.57 349.57 332.65 332.65 0.00 0.00 0.00 0.00 13:20:01 ens3 129.18 94.44 1034.02 18.47 0.00 0.00 0.00 0.00 13:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:03 lo 1376.27 1376.27 1312.08 1312.08 0.00 0.00 0.00 0.00 13:30:03 ens3 47.19 35.20 80.44 11.31 0.00 0.00 0.00 0.00 13:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:03 lo 503.20 503.20 478.72 478.72 0.00 0.00 0.00 0.00 13:40:03 ens3 53.13 43.93 233.69 12.70 0.00 0.00 0.00 0.00 13:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 371.64 371.64 353.99 353.99 0.00 0.00 0.00 0.00 Average: ens3 40.79 30.40 230.26 7.43 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-38108) 07/23/26 _x86_64_ (4 CPU) 12:39:36 LINUX RESTART (4 CPU) 12:40:00 CPU %user %nice %system %iowait %steal %idle 12:50:01 all 0.52 0.00 0.12 1.09 0.94 97.34 12:50:01 0 0.53 0.00 0.13 3.15 1.15 95.06 12:50:01 1 0.25 0.00 0.12 0.96 1.30 97.36 12:50:01 2 0.57 0.00 0.14 0.20 0.63 98.46 12:50:01 3 0.74 0.00 0.08 0.05 0.66 98.47 13:00:03 all 0.17 0.00 0.04 0.04 0.22 99.54 13:00:03 0 0.02 0.00 0.03 0.02 0.26 99.66 13:00:03 1 0.39 0.00 0.03 0.01 0.25 99.32 13:00:03 2 0.04 0.00 0.03 0.12 0.21 99.60 13:00:03 3 0.22 0.00 0.05 0.00 0.16 99.57 13:10:03 all 0.27 0.00 0.03 0.08 0.02 99.60 13:10:03 0 0.04 0.00 0.03 0.07 0.03 99.84 13:10:03 1 0.65 0.00 0.03 0.12 0.02 99.18 13:10:03 2 0.20 0.00 0.02 0.00 0.03 99.75 13:10:03 3 0.19 0.00 0.04 0.13 0.01 99.62 13:20:01 all 30.80 0.00 1.33 0.68 0.07 67.12 13:20:01 0 31.15 0.00 1.18 0.11 0.07 67.48 13:20:01 1 31.21 0.00 1.45 0.76 0.07 66.51 13:20:01 2 31.82 0.00 1.34 0.45 0.07 66.31 13:20:01 3 29.01 0.00 1.33 1.41 0.07 68.17 13:30:03 all 63.66 0.00 2.46 0.10 0.14 33.65 13:30:03 0 62.81 0.00 2.24 0.12 0.13 34.70 13:30:03 1 64.17 0.00 2.51 0.08 0.14 33.10 13:30:03 2 63.48 0.00 2.61 0.13 0.13 33.65 13:30:03 3 64.19 0.00 2.47 0.07 0.14 33.14 13:40:03 all 60.75 0.00 2.15 0.35 0.22 36.53 13:40:03 0 62.41 0.00 1.77 0.20 0.28 35.34 13:40:03 1 61.05 0.00 2.31 0.62 0.17 35.85 13:40:03 2 63.54 0.00 2.45 0.15 0.19 33.66 13:40:03 3 55.98 0.00 2.06 0.44 0.24 41.29 Average: all 25.93 0.00 1.02 0.39 0.27 72.39 Average: 0 26.06 0.00 0.89 0.62 0.32 72.11 Average: 1 26.17 0.00 1.07 0.43 0.33 72.00 Average: 2 26.53 0.00 1.09 0.18 0.21 71.98 Average: 3 24.96 0.00 1.00 0.35 0.21 73.48