---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-17499 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: 5599.94 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 9.9G 68G 13% / 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 669 10968 4 4350 14977 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:6f:b1:1d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.25/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79793sec preferred_lft 79793sec inet6 fe80::f816:3eff:fe6f:b11d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:34:62:91:08:b8 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-17499) 05/21/26 _x86_64_ (4 CPU) 19:28:08 LINUX RESTART (4 CPU) 19:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:40:03 1.33 0.02 1.31 0.00 1.00 15.22 0.15 19:50:03 1.30 0.02 1.28 0.00 1.68 14.72 0.04 20:00:01 1.09 0.00 1.09 0.00 0.00 12.53 0.00 20:10:01 1.14 0.00 1.14 0.00 0.00 12.96 0.00 20:20:03 13.99 0.00 1.28 12.70 0.16 14.88 242157.04 20:30:01 1.24 0.00 1.24 0.00 0.20 14.24 0.00 20:40:01 1.24 0.00 1.24 0.00 0.00 14.24 0.00 20:50:03 1.29 0.00 1.29 0.00 0.00 14.61 0.00 21:00:01 51.93 4.75 46.03 1.15 273.76 4203.02 2275.37 21:10:02 50.44 0.01 41.87 8.56 0.60 3510.22 9083.82 Average: 12.49 0.48 9.76 2.25 27.64 781.20 25427.75 19:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:40:03 13766640 15516124 503008 3.07 53876 1922512 1135680 6.52 193880 2153064 196 19:50:03 13764172 15514616 504436 3.08 54288 1923020 1143936 6.57 194552 2155276 180 20:00:01 13762764 15513624 505348 3.09 54704 1923016 1144000 6.57 194960 2159420 208 20:10:01 13761756 15513116 505860 3.09 55056 1923164 1144064 6.57 195320 2159284 188 20:20:03 13757752 15514448 504472 3.08 55740 1927808 1144064 6.57 200728 2159220 188 20:30:01 13757260 15514536 504344 3.08 56132 1928008 1144064 6.57 201096 2159700 12 20:40:01 13757008 15514692 504288 3.08 56508 1928016 1144064 6.57 201488 2159728 204 20:50:03 13756000 15514288 504624 3.08 56948 1928152 1144064 6.57 201936 2159656 192 21:00:01 11403864 14384568 1579080 9.64 119176 3029984 1983004 11.38 461224 4174580 61352 21:10:02 9979952 13695024 2261784 13.81 177784 3623532 2541800 14.59 654820 5317896 135168 Average: 13146717 15219504 787724 4.81 74021 2205721 1366874 7.85 270000 2675782 19789 19:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:40:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 19:40:03 ens3 0.48 0.12 0.09 0.04 0.00 0.00 0.00 0.00 19:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:03 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 19:50:03 ens3 0.43 0.16 0.12 0.06 0.00 0.00 0.00 0.00 19:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:00:01 ens3 0.48 0.29 0.12 0.48 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:10:01 ens3 0.33 0.10 0.08 0.04 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:20:03 ens3 0.24 0.08 0.04 0.02 0.00 0.00 0.00 0.00 20:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:30:01 ens3 0.17 0.08 0.04 0.02 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:40:01 ens3 0.24 0.10 0.07 0.04 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 20:50:03 ens3 0.15 0.08 0.04 0.02 0.00 0.00 0.00 0.00 20:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 316.43 316.43 300.53 300.53 0.00 0.00 0.00 0.00 21:00:01 ens3 101.78 77.20 993.29 15.93 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:02 lo 4775.26 4775.26 4552.85 4552.85 0.00 0.00 0.00 0.00 21:10:02 ens3 95.80 72.99 27.84 25.59 0.00 0.00 0.00 0.00 21:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 509.16 509.16 485.26 485.26 0.00 0.00 0.00 0.00 Average: ens3 19.98 15.09 101.82 4.22 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-17499) 05/21/26 _x86_64_ (4 CPU) 19:28:08 LINUX RESTART (4 CPU) 19:30:01 CPU %user %nice %system %iowait %steal %idle 19:40:03 all 0.20 0.00 0.03 0.01 0.02 99.75 19:40:03 0 0.04 0.00 0.03 0.01 0.02 99.89 19:40:03 1 0.03 0.00 0.03 0.01 0.01 99.91 19:40:03 2 0.69 0.00 0.03 0.00 0.01 99.27 19:40:03 3 0.02 0.00 0.02 0.00 0.02 99.94 19:50:03 all 0.27 0.00 0.03 0.25 0.01 99.44 19:50:03 0 0.08 0.00 0.04 0.92 0.01 98.95 19:50:03 1 0.03 0.00 0.02 0.01 0.01 99.93 19:50:03 2 0.95 0.00 0.05 0.00 0.02 98.97 19:50:03 3 0.02 0.00 0.02 0.06 0.02 99.88 20:00:01 all 0.10 0.00 0.02 0.02 0.01 99.85 20:00:01 0 0.02 0.00 0.02 0.01 0.01 99.94 20:00:01 1 0.29 0.00 0.03 0.07 0.02 99.59 20:00:01 2 0.05 0.00 0.03 0.02 0.01 99.89 20:00:01 3 0.02 0.00 0.01 0.00 0.02 99.95 20:10:01 all 0.04 0.00 0.02 0.02 0.02 99.91 20:10:01 0 0.01 0.00 0.02 0.02 0.01 99.94 20:10:01 1 0.07 0.00 0.03 0.04 0.02 99.84 20:10:01 2 0.02 0.00 0.02 0.00 0.01 99.94 20:10:01 3 0.04 0.00 0.03 0.02 0.02 99.89 20:20:03 all 0.06 0.00 0.03 0.04 0.02 99.85 20:20:03 0 0.02 0.00 0.02 0.02 0.01 99.93 20:20:03 1 0.04 0.00 0.04 0.02 0.02 99.88 20:20:03 2 0.16 0.00 0.02 0.00 0.01 99.81 20:20:03 3 0.03 0.00 0.04 0.10 0.02 99.80 20:30:01 all 0.10 0.00 0.03 0.04 0.02 99.82 20:30:01 0 0.02 0.00 0.03 0.13 0.01 99.81 20:30:01 1 0.03 0.00 0.03 0.00 0.01 99.94 20:30:01 2 0.04 0.00 0.04 0.00 0.02 99.90 20:30:01 3 0.30 0.00 0.04 0.02 0.02 99.62 20:40:01 all 0.11 0.00 0.03 0.01 0.02 99.83 20:40:01 0 0.02 0.00 0.03 0.01 0.01 99.94 20:40:01 1 0.08 0.00 0.02 0.00 0.01 99.89 20:40:01 2 0.03 0.00 0.03 0.03 0.02 99.88 20:40:01 3 0.33 0.00 0.04 0.00 0.02 99.61 20:50:03 all 0.11 0.00 0.03 0.01 0.02 99.84 20:50:03 0 0.02 0.00 0.02 0.03 0.01 99.93 20:50:03 1 0.35 0.00 0.03 0.01 0.01 99.60 20:50:03 2 0.03 0.00 0.03 0.00 0.02 99.91 20:50:03 3 0.03 0.00 0.03 0.00 0.02 99.93 21:00:01 all 15.06 0.00 0.97 0.26 0.04 83.67 21:00:01 0 15.51 0.00 0.96 0.30 0.04 83.19 21:00:01 1 13.84 0.00 0.98 0.11 0.04 85.02 21:00:01 2 16.26 0.00 1.02 0.54 0.04 82.13 21:00:01 3 14.63 0.00 0.92 0.09 0.05 84.32 21:10:02 all 66.20 0.00 4.06 0.08 0.11 29.55 21:10:02 0 65.32 0.00 3.63 0.07 0.11 30.88 21:10:02 1 66.69 0.00 3.75 0.11 0.11 29.34 21:10:02 2 65.65 0.00 4.26 0.09 0.11 29.90 21:10:02 3 67.14 0.00 4.59 0.07 0.11 28.10 Average: all 8.19 0.00 0.52 0.07 0.03 91.19 Average: 0 8.07 0.00 0.48 0.15 0.03 91.28 Average: 1 8.11 0.00 0.49 0.04 0.03 91.33 Average: 2 8.35 0.00 0.55 0.07 0.03 91.01 Average: 3 8.21 0.00 0.57 0.04 0.03 91.15