---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-27552 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 676 12509 3 2803 14970 Swap: 1023 50 973 ---> 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:ad:94:87 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79452sec preferred_lft 79452sec inet6 fe80::f816:3eff:fead:9487/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 96:59:f2:6f:db:24 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::9459:f2ff:fe6f:db24/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-27552) 06/15/26 _x86_64_ (4 CPU) 08:23:21 LINUX RESTART (4 CPU) 08:30:26 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:04 84.07 19.34 45.81 18.93 490.86 4881.54 220159.46 08:50:10 32.90 7.60 24.03 1.28 683.13 1533.97 1835.50 09:00:10 7.48 0.74 6.28 0.45 28.91 264.78 1171.27 09:10:01 23.57 0.81 21.88 0.88 27.88 916.72 838.17 09:20:12 8.33 0.28 7.68 0.37 11.10 225.15 141.67 09:30:11 4.97 0.24 4.51 0.22 11.01 168.79 84.83 09:40:14 9.66 5.03 4.48 0.15 181.29 115.69 64.04 09:50:16 4.88 0.04 4.66 0.19 3.82 150.41 1048.66 10:00:35 10.76 0.34 10.01 0.41 8.47 560.13 113.04 10:10:16 5.20 0.07 4.97 0.16 1.38 166.83 152.45 Average: 18.94 3.39 13.31 2.24 144.03 883.60 21769.93 08:30:26 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:04 5329704 6400964 9544436 58.29 178996 1068132 11081496 63.61 866944 9792456 77224 08:50:10 9273448 10762400 5186088 31.67 187608 1474940 6148048 35.29 1019812 5719952 5944 09:00:10 13834352 15438060 514768 3.14 191536 1580672 1379888 7.92 1059484 1117448 84644 09:10:01 12431336 14121644 1830584 11.18 195164 1663484 3003656 17.24 1093620 2498796 828 09:20:12 9649916 11371312 4579476 27.97 196664 1693020 5414688 31.08 1099744 5253784 84 09:30:11 13652676 15413376 539192 3.29 197240 1731724 1379640 7.92 1105652 1242172 10268 09:40:14 8121980 9885728 6064320 37.04 197964 1733940 6864956 39.40 1159576 6717540 104 09:50:16 8092148 9879696 6070324 37.08 198688 1756988 6853000 39.34 1164048 6748924 144 10:00:35 9428924 11348332 4602424 28.11 202576 1879464 5410804 31.06 1174920 5400920 104 10:10:16 9298572 11245228 4705552 28.74 203272 1905956 5367060 30.81 1183072 5518104 464 Average: 9911306 11586674 4363716 26.65 194971 1648832 5290324 30.37 1092687 5001010 17981 08:30:26 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:04 lo 25.12 25.12 19.62 19.62 0.00 0.00 0.00 0.00 08:40:04 ens3 1.94 1.86 0.60 0.53 0.00 0.00 0.00 0.00 08:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:10 lo 45.17 45.17 20.25 20.25 0.00 0.00 0.00 0.00 08:50:10 ens3 1.80 1.65 0.53 0.33 0.00 0.00 0.00 0.00 08:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:10 lo 23.31 23.31 10.46 10.46 0.00 0.00 0.00 0.00 09:00:10 ens3 0.88 0.61 0.27 0.21 0.00 0.00 0.00 0.00 09:00:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:01 lo 12.53 12.53 6.30 6.30 0.00 0.00 0.00 0.00 09:10:01 ens3 1.28 0.98 0.35 0.26 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:12 lo 19.55 19.55 10.31 10.31 0.00 0.00 0.00 0.00 09:20:12 ens3 0.80 0.61 0.17 0.14 0.00 0.00 0.00 0.00 09:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:11 lo 28.56 28.56 10.08 10.08 0.00 0.00 0.00 0.00 09:30:11 ens3 0.58 0.48 0.14 0.09 0.00 0.00 0.00 0.00 09:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:14 lo 16.74 16.74 8.56 8.56 0.00 0.00 0.00 0.00 09:40:14 ens3 5.85 3.99 3.67 2.55 0.00 0.00 0.00 0.00 09:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:16 lo 14.46 14.46 9.17 9.17 0.00 0.00 0.00 0.00 09:50:16 ens3 0.65 0.58 0.15 0.12 0.00 0.00 0.00 0.00 09:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:35 lo 13.89 13.89 7.52 7.52 0.00 0.00 0.00 0.00 10:00:35 ens3 0.94 0.69 0.28 0.22 0.00 0.00 0.00 0.00 10:00:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:16 lo 17.03 17.03 7.02 7.02 0.00 0.00 0.00 0.00 10:10:16 ens3 0.70 0.51 0.16 0.12 0.00 0.00 0.00 0.00 10:10:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.64 21.64 10.91 10.91 0.00 0.00 0.00 0.00 Average: ens3 1.54 1.20 0.63 0.46 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-27552) 06/15/26 _x86_64_ (4 CPU) 08:23:21 LINUX RESTART (4 CPU) 08:30:26 CPU %user %nice %system %iowait %steal %idle 08:40:04 all 58.47 0.00 2.28 0.18 0.12 38.95 08:40:04 0 56.67 0.00 2.27 0.11 0.13 40.83 08:40:04 1 60.22 0.00 2.05 0.22 0.12 37.39 08:40:04 2 59.15 0.00 2.57 0.21 0.13 37.95 08:40:04 3 57.84 0.00 2.24 0.18 0.12 39.62 08:50:10 all 44.71 0.00 1.56 0.12 0.11 53.51 08:50:10 0 44.87 0.00 1.51 0.03 0.11 53.49 08:50:10 1 44.79 0.00 1.60 0.25 0.11 53.26 08:50:10 2 44.76 0.00 1.57 0.13 0.11 53.43 08:50:10 3 44.42 0.00 1.56 0.09 0.11 53.83 09:00:10 all 16.83 0.00 0.84 0.04 0.09 82.20 09:00:10 0 17.50 0.00 0.75 0.02 0.08 81.64 09:00:10 1 16.78 0.00 0.95 0.04 0.09 82.13 09:00:10 2 16.27 0.00 0.88 0.05 0.09 82.71 09:00:10 3 16.79 0.00 0.78 0.05 0.09 82.30 09:10:01 all 31.94 0.00 1.00 0.07 0.09 66.91 09:10:01 0 32.21 0.00 0.91 0.04 0.08 66.75 09:10:01 1 31.34 0.00 0.92 0.04 0.09 67.62 09:10:01 2 31.42 0.00 0.96 0.10 0.09 67.43 09:10:01 3 32.78 0.00 1.20 0.08 0.09 65.85 09:20:12 all 15.72 0.00 0.50 0.03 0.08 83.68 09:20:12 0 15.13 0.00 0.52 0.03 0.07 84.25 09:20:12 1 15.82 0.00 0.50 0.04 0.08 83.56 09:20:12 2 16.37 0.00 0.48 0.02 0.07 83.05 09:20:12 3 15.55 0.00 0.50 0.03 0.08 83.84 09:30:11 all 8.44 0.00 0.40 0.02 0.07 91.07 09:30:11 0 7.82 0.00 0.37 0.00 0.06 91.75 09:30:11 1 8.84 0.00 0.45 0.04 0.07 90.60 09:30:11 2 8.62 0.00 0.42 0.02 0.07 90.87 09:30:11 3 8.48 0.00 0.37 0.02 0.07 91.06 09:40:14 all 9.68 0.00 0.41 0.06 0.07 89.78 09:40:14 0 9.42 0.00 0.35 0.04 0.07 90.13 09:40:14 1 9.83 0.00 0.50 0.11 0.07 89.49 09:40:14 2 9.74 0.00 0.48 0.05 0.07 89.65 09:40:14 3 9.72 0.00 0.31 0.05 0.07 89.86 09:50:16 all 9.85 0.00 0.49 0.04 0.07 89.55 09:50:16 0 9.43 0.00 0.49 0.02 0.07 89.99 09:50:16 1 10.07 0.00 0.46 0.00 0.07 89.39 09:50:16 2 10.17 0.00 0.57 0.01 0.07 89.18 09:50:16 3 9.72 0.00 0.44 0.12 0.06 89.65 10:00:35 all 14.17 0.00 0.67 0.03 0.07 85.06 10:00:35 0 14.81 0.00 0.64 0.01 0.06 84.47 10:00:35 1 14.58 0.00 0.75 0.06 0.07 84.54 10:00:35 2 13.88 0.00 0.65 0.01 0.07 85.38 10:00:35 3 13.39 0.00 0.64 0.04 0.07 85.85 10:10:16 all 8.39 0.00 0.39 0.02 0.07 91.13 10:10:16 0 8.43 0.00 0.44 0.03 0.07 91.04 10:10:16 1 8.43 0.00 0.38 0.03 0.06 91.09 10:10:16 2 8.50 0.00 0.46 0.00 0.07 90.96 10:10:16 3 8.21 0.00 0.29 0.01 0.07 91.42 Average: all 21.69 0.00 0.85 0.06 0.08 77.32 Average: 0 21.51 0.00 0.82 0.03 0.08 77.56 Average: 1 21.93 0.00 0.85 0.08 0.08 77.05 Average: 2 21.75 0.00 0.90 0.06 0.08 77.21 Average: 3 21.56 0.00 0.83 0.07 0.08 77.47