---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-27851 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 60G 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 703 12193 4 3092 14943 Swap: 1023 23 1000 ---> 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:80:b6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79828sec preferred_lft 79828sec inet6 fe80::f816:3eff:fe4a:80b6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:03:7d:c3:79:cd 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::3403:7dff:fec3:79cd/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-27851) 06/16/26 _x86_64_ (4 CPU) 16:44:01 LINUX RESTART (4 CPU) 16:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:00:07 60.84 5.45 52.91 2.49 167.17 5549.88 3279.32 17:10:00 45.01 18.62 24.91 1.48 953.24 1609.62 1728.19 17:20:01 8.43 0.60 7.40 0.43 18.91 284.53 1223.83 17:30:08 17.76 2.07 14.96 0.72 32.40 700.99 809.14 17:40:00 15.01 0.34 13.98 0.69 8.80 459.81 560.46 17:50:01 5.52 0.23 5.11 0.18 7.72 142.80 90.48 18:00:09 5.41 0.08 5.13 0.21 2.09 157.26 67.45 18:10:00 5.55 0.02 5.35 0.19 1.18 162.37 100.68 18:20:01 12.56 0.05 12.00 0.51 1.54 694.59 273.41 18:30:10 6.17 0.07 5.92 0.18 1.95 192.40 46.11 Average: 18.22 2.74 14.78 0.71 118.48 998.28 818.46 16:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:00:07 1524100 2759040 13177184 80.48 257960 1080564 14211696 81.57 928800 13448612 460 17:10:00 5335888 7150320 8788512 53.68 271032 1645804 9576820 54.97 1137616 9444740 240 17:20:01 7927056 9770180 6171784 37.69 271896 1673692 7030644 40.36 1148132 6858736 312 17:30:08 11689380 13666724 2277720 13.91 277400 1800556 3076696 17.66 1206160 3048732 160 17:40:00 9278268 11323240 4620008 28.22 279660 1865848 5366496 30.80 1213976 5436568 88 17:50:01 9403472 11467644 4475544 27.33 280064 1884624 5248048 30.12 1217252 5316004 444 18:00:09 7687824 9774368 6167920 37.67 280644 1906412 6930044 39.78 1219780 7024384 352 18:10:00 7778916 9888412 6053972 36.98 281084 1928892 6856556 39.36 1223464 6931176 68 18:20:01 9136048 11399056 4544048 27.75 285324 2072780 5313592 30.50 1241352 5543164 272 18:30:10 8290112 10583592 5358816 32.73 286060 2102512 6021832 34.57 1252832 6362964 72 Average: 7805106 9778258 6163551 37.64 277112 1796168 6963242 39.97 1178936 6941508 247 16:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:00:07 lo 23.52 23.52 19.01 19.01 0.00 0.00 0.00 0.00 17:00:07 ens3 1.64 1.59 0.50 0.44 0.00 0.00 0.00 0.00 17:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:00 lo 47.51 47.51 21.04 21.04 0.00 0.00 0.00 0.00 17:10:00 ens3 1.77 1.84 0.42 0.38 0.00 0.00 0.00 0.00 17:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:01 lo 18.93 18.93 9.48 9.48 0.00 0.00 0.00 0.00 17:20:01 ens3 0.68 0.57 0.15 0.12 0.00 0.00 0.00 0.00 17:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:08 lo 11.29 11.29 5.56 5.56 0.00 0.00 0.00 0.00 17:30:08 ens3 1.39 1.83 0.26 1.14 0.00 0.00 0.00 0.00 17:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:00 lo 19.58 19.58 10.10 10.10 0.00 0.00 0.00 0.00 17:40:00 ens3 0.90 0.82 0.22 0.18 0.00 0.00 0.00 0.00 17:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:50:01 lo 20.93 20.93 8.62 8.62 0.00 0.00 0.00 0.00 17:50:01 ens3 0.69 0.53 0.17 0.13 0.00 0.00 0.00 0.00 17:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:09 lo 26.29 26.29 11.15 11.15 0.00 0.00 0.00 0.00 18:00:09 ens3 0.61 0.58 0.15 0.12 0.00 0.00 0.00 0.00 18:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:00 lo 17.77 17.77 10.65 10.65 0.00 0.00 0.00 0.00 18:10:00 ens3 0.62 0.51 0.13 0.11 0.00 0.00 0.00 0.00 18:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 lo 18.56 18.56 10.17 10.17 0.00 0.00 0.00 0.00 18:20:01 ens3 0.90 0.80 0.24 0.20 0.00 0.00 0.00 0.00 18:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:30:10 lo 32.36 32.36 12.61 12.61 0.00 0.00 0.00 0.00 18:30:10 ens3 0.74 0.70 0.17 0.14 0.00 0.00 0.00 0.00 18:30:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 23.66 23.66 11.83 11.83 0.00 0.00 0.00 0.00 Average: ens3 0.99 0.98 0.24 0.30 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-27851) 06/16/26 _x86_64_ (4 CPU) 16:44:01 LINUX RESTART (4 CPU) 16:50:01 CPU %user %nice %system %iowait %steal %idle 17:00:07 all 53.75 0.00 2.03 0.21 0.11 43.90 17:00:07 0 54.40 0.00 1.93 0.25 0.11 43.31 17:00:07 1 53.55 0.00 2.13 0.27 0.11 43.94 17:00:07 2 54.87 0.00 1.96 0.16 0.11 42.90 17:00:07 3 52.19 0.00 2.09 0.15 0.11 45.46 17:10:00 all 47.58 0.00 1.88 0.90 0.12 49.52 17:10:00 0 48.29 0.00 1.86 0.06 0.12 49.67 17:10:00 1 47.11 0.00 1.91 0.14 0.12 50.72 17:10:00 2 48.16 0.00 1.85 1.74 0.12 48.12 17:10:00 3 46.74 0.00 1.90 1.67 0.12 49.58 17:20:01 all 18.25 0.00 0.83 0.04 0.08 80.80 17:20:01 0 17.65 0.00 0.70 0.08 0.07 81.50 17:20:01 1 18.53 0.00 0.91 0.01 0.08 80.46 17:20:01 2 18.32 0.00 0.80 0.06 0.09 80.74 17:20:01 3 18.49 0.00 0.90 0.02 0.08 80.51 17:30:08 all 23.12 0.00 0.86 0.12 0.08 75.81 17:30:08 0 22.82 0.00 0.78 0.14 0.08 76.18 17:30:08 1 23.82 0.00 0.94 0.14 0.09 75.02 17:30:08 2 22.52 0.00 0.90 0.11 0.08 76.38 17:30:08 3 23.33 0.00 0.83 0.09 0.08 75.67 17:40:00 all 26.23 0.00 0.78 0.06 0.09 72.83 17:40:00 0 25.99 0.00 0.84 0.01 0.08 73.08 17:40:00 1 26.34 0.00 0.84 0.12 0.09 72.61 17:40:00 2 26.79 0.00 0.83 0.06 0.09 72.23 17:40:00 3 25.81 0.00 0.62 0.06 0.08 73.42 17:50:01 all 8.49 0.00 0.35 0.02 0.07 91.06 17:50:01 0 8.65 0.00 0.35 0.07 0.07 90.86 17:50:01 1 8.74 0.00 0.29 0.01 0.07 90.89 17:50:01 2 8.42 0.00 0.39 0.01 0.07 91.10 17:50:01 3 8.17 0.00 0.37 0.01 0.07 91.38 18:00:09 all 10.26 0.00 0.46 0.02 0.08 89.19 18:00:09 0 10.59 0.00 0.49 0.02 0.08 88.82 18:00:09 1 10.38 0.00 0.43 0.01 0.08 89.10 18:00:09 2 9.52 0.00 0.47 0.03 0.07 89.91 18:00:09 3 10.55 0.00 0.44 0.00 0.08 88.92 18:10:00 all 10.36 0.00 0.43 0.02 0.08 89.11 18:10:00 0 10.25 0.00 0.36 0.02 0.07 89.29 18:10:00 1 10.03 0.00 0.48 0.04 0.09 89.37 18:10:00 2 10.89 0.00 0.44 0.01 0.08 88.58 18:10:00 3 10.25 0.00 0.46 0.01 0.09 89.19 18:20:01 all 19.31 0.00 0.68 0.41 0.09 79.51 18:20:01 0 19.70 0.00 0.79 0.74 0.09 78.68 18:20:01 1 18.84 0.00 0.63 0.06 0.08 80.38 18:20:01 2 19.31 0.00 0.59 0.23 0.09 79.78 18:20:01 3 19.41 0.00 0.69 0.63 0.08 79.20 18:30:10 all 10.63 0.00 0.51 0.05 0.08 88.73 18:30:10 0 10.68 0.00 0.53 0.05 0.08 88.66 18:30:10 1 10.88 0.00 0.50 0.04 0.08 88.50 18:30:10 2 10.80 0.00 0.62 0.07 0.09 88.43 18:30:10 3 10.16 0.00 0.41 0.02 0.07 89.34 Average: all 22.78 0.00 0.88 0.18 0.09 76.07 Average: 0 22.88 0.00 0.86 0.14 0.09 76.03 Average: 1 22.80 0.00 0.90 0.08 0.09 76.12 Average: 2 22.93 0.00 0.89 0.25 0.09 75.85 Average: 3 22.50 0.00 0.87 0.26 0.09 76.28