---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-17371 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 61G 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 701 12512 3 2775 14945 Swap: 1023 26 997 ---> 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:d8:de:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.36/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80015sec preferred_lft 80015sec inet6 fe80::f816:3eff:fed8:de27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:f1:5d:a3:9e:4c 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::60f1:5dff:fea3:9e4c/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-17371) 05/21/26 _x86_64_ (4 CPU) 08:22:30 LINUX RESTART (4 CPU) 08:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:02 56.01 5.42 47.86 2.73 190.37 8529.10 2795.05 08:50:00 43.02 17.73 23.88 1.40 908.93 1535.05 1752.92 09:00:01 14.87 3.93 10.44 0.49 70.92 567.94 619.36 09:10:02 15.73 0.22 14.87 0.63 6.14 409.31 857.14 09:20:00 4.99 0.34 4.52 0.13 5.49 110.37 265.53 09:30:01 7.31 0.07 6.93 0.31 3.03 213.52 148.87 09:40:02 22.21 0.70 5.64 15.86 14.66 153.80 210124.55 09:50:00 4.76 0.00 4.62 0.14 0.13 142.38 70.21 10:00:01 8.43 0.03 8.09 0.31 1.62 536.81 414.15 Average: 19.70 3.16 14.10 2.45 133.19 1356.29 24153.92 08:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:02 3281908 4643096 11294540 68.98 247440 1223132 12277712 70.47 1033960 11601236 2416 08:50:00 8982768 10691784 5249260 32.06 259880 1565536 5973568 34.29 1073604 5890664 6720 09:00:01 9792264 11611736 4333472 26.47 264116 1670168 5167548 29.66 1140960 5013124 280 09:10:02 9724380 11596336 4348780 26.56 267068 1719676 5157400 29.60 1149000 5076880 288 09:20:00 9432784 11316980 4627928 28.27 267748 1731212 5291068 30.37 1151664 5371044 88 09:30:01 8673464 10587944 5356808 32.72 268744 1760424 6397568 36.72 1155520 6125940 348 09:40:02 8045712 9986976 5957144 36.38 271512 1784276 6767204 38.84 1169104 6722068 468 09:50:00 9581096 11543116 4401972 26.89 272052 1804504 5188808 29.78 1171516 5195440 248 10:00:01 9322196 11407092 4537924 27.72 275740 1918380 5222624 29.98 1186664 5442744 372 Average: 8537397 10376118 5567536 34.00 266033 1686368 6382611 36.64 1136888 6271016 1248 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:02 lo 24.20 24.20 18.73 18.73 0.00 0.00 0.00 0.00 08:40:02 ens3 1.83 1.79 0.53 0.49 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:00 lo 45.23 45.23 19.83 19.83 0.00 0.00 0.00 0.00 08:50:00 ens3 1.53 1.58 0.37 0.33 0.00 0.00 0.00 0.00 08:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 17.99 17.99 8.02 8.02 0.00 0.00 0.00 0.00 09:00:01 ens3 1.95 2.08 0.47 1.40 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:02 lo 16.87 16.87 8.30 8.30 0.00 0.00 0.00 0.00 09:10:02 ens3 0.83 0.73 0.18 0.15 0.00 0.00 0.00 0.00 09:10:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:00 lo 13.87 13.87 7.40 7.40 0.00 0.00 0.00 0.00 09:20:00 ens3 0.87 0.54 0.23 0.16 0.00 0.00 0.00 0.00 09:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 24.70 24.70 8.73 8.73 0.00 0.00 0.00 0.00 09:30:01 ens3 0.73 0.46 0.22 0.16 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:02 lo 21.67 21.67 11.59 11.59 0.00 0.00 0.00 0.00 09:40:02 ens3 5.76 3.96 3.67 2.54 0.00 0.00 0.00 0.00 09:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:00 lo 16.56 16.56 9.32 9.32 0.00 0.00 0.00 0.00 09:50:00 ens3 0.94 0.61 0.29 0.21 0.00 0.00 0.00 0.00 09:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 13.95 13.95 7.47 7.47 0.00 0.00 0.00 0.00 10:00:01 ens3 0.90 0.71 0.27 0.21 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.66 21.66 11.04 11.04 0.00 0.00 0.00 0.00 Average: ens3 1.71 1.39 0.69 0.63 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-17371) 05/21/26 _x86_64_ (4 CPU) 08:22:30 LINUX RESTART (4 CPU) 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:40:02 all 52.36 0.00 2.34 4.38 0.15 40.78 08:40:02 0 53.77 0.00 2.06 1.95 0.15 42.06 08:40:02 1 52.67 0.00 2.36 6.21 0.15 38.61 08:40:02 2 52.71 0.00 2.45 2.89 0.16 41.80 08:40:02 3 50.28 0.00 2.49 6.46 0.14 40.63 08:50:00 all 42.28 0.00 1.79 0.18 0.13 55.62 08:50:00 0 41.78 0.00 1.65 0.27 0.13 56.17 08:50:00 1 42.36 0.00 1.83 0.08 0.13 55.60 08:50:00 2 42.59 0.00 1.91 0.10 0.14 55.26 08:50:00 3 42.37 0.00 1.76 0.28 0.13 55.46 09:00:01 all 22.76 0.00 0.90 1.56 0.10 74.68 09:00:01 0 22.23 0.00 0.87 1.07 0.10 75.73 09:00:01 1 23.37 0.00 1.06 2.28 0.10 73.20 09:00:01 2 22.83 0.00 0.81 2.19 0.10 74.08 09:00:01 3 22.63 0.00 0.87 0.70 0.10 75.70 09:10:02 all 27.41 0.00 0.93 0.62 0.13 70.90 09:10:02 0 28.27 0.00 0.84 0.87 0.16 69.86 09:10:02 1 27.83 0.00 0.86 0.21 0.11 71.00 09:10:02 2 27.56 0.00 0.83 0.78 0.12 70.71 09:10:02 3 26.00 0.00 1.20 0.62 0.14 72.05 09:20:00 all 8.47 0.00 0.36 0.04 0.06 91.07 09:20:00 0 8.02 0.00 0.31 0.08 0.06 91.54 09:20:00 1 8.78 0.00 0.39 0.02 0.06 90.75 09:20:00 2 8.57 0.00 0.44 0.04 0.06 90.89 09:20:00 3 8.52 0.00 0.30 0.03 0.06 91.10 09:30:01 all 14.50 0.00 0.52 0.03 0.07 84.88 09:30:01 0 14.71 0.00 0.43 0.02 0.07 84.78 09:30:01 1 14.63 0.00 0.57 0.04 0.07 84.69 09:30:01 2 15.08 0.00 0.54 0.03 0.08 84.27 09:30:01 3 13.57 0.00 0.54 0.03 0.07 85.79 09:40:02 all 12.53 0.00 0.46 0.06 0.07 86.88 09:40:02 0 12.40 0.00 0.45 0.05 0.07 87.03 09:40:02 1 12.45 0.00 0.49 0.04 0.08 86.95 09:40:02 2 12.25 0.00 0.47 0.03 0.07 87.19 09:40:02 3 13.01 0.00 0.43 0.11 0.07 86.37 09:50:00 all 8.50 0.00 0.37 0.03 0.06 91.04 09:50:00 0 8.35 0.00 0.34 0.02 0.06 91.22 09:50:00 1 8.94 0.00 0.41 0.02 0.07 90.57 09:50:00 2 8.40 0.00 0.38 0.03 0.07 91.12 09:50:00 3 8.30 0.00 0.36 0.04 0.06 91.24 10:00:01 all 14.07 0.00 0.52 0.03 0.07 85.31 10:00:01 0 13.60 0.00 0.43 0.07 0.07 85.83 10:00:01 1 13.51 0.00 0.57 0.01 0.07 85.85 10:00:01 2 14.46 0.00 0.53 0.04 0.07 84.91 10:00:01 3 14.70 0.00 0.55 0.03 0.07 84.66 Average: all 22.54 0.00 0.91 0.77 0.09 75.69 Average: 0 22.57 0.00 0.82 0.49 0.10 76.03 Average: 1 22.73 0.00 0.95 0.99 0.09 75.24 Average: 2 22.70 0.00 0.93 0.68 0.10 75.59 Average: 3 22.15 0.00 0.94 0.92 0.09 75.90