---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23651 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 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 677 12538 3 2773 14969 Swap: 1023 60 963 ---> 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:2d:79:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78982sec preferred_lft 78982sec inet6 fe80::f816:3eff:fe2d:7921/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f2:96:9e:3b:b6:44 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::f096:9eff:fe3b:b644/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-16g-23651) 06/04/26 _x86_64_ (4 CPU) 08:08:41 LINUX RESTART (4 CPU) 08:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:20:05 135.51 8.62 121.66 5.24 800.97 39008.13 10184.81 08:30:03 60.33 23.56 35.06 1.72 1064.17 2229.96 2582.14 08:40:05 18.65 6.86 11.12 0.66 112.44 340.25 623.62 08:50:05 6.25 0.29 5.75 0.21 9.04 175.09 330.72 09:00:05 33.29 0.45 16.75 16.08 15.82 760.05 210991.02 09:10:04 12.01 0.39 11.15 0.47 14.66 407.18 424.72 09:20:05 4.85 0.25 4.45 0.14 6.15 128.69 59.50 09:30:04 5.51 0.17 5.12 0.22 6.77 153.66 61.81 09:40:04 9.87 5.22 4.46 0.19 164.01 151.80 71.78 09:50:04 5.04 0.00 4.96 0.08 0.13 79.05 50.58 10:00:05 9.95 0.43 9.16 0.35 15.69 658.49 290.88 10:10:05 4.69 0.09 4.45 0.15 3.17 170.93 53.88 Average: 25.48 3.86 19.50 2.13 184.16 3688.14 18809.90 08:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:20:05 154740 9009928 6909004 42.20 261856 8355272 8647092 49.63 2230456 13188352 1564 08:30:03 11696668 13117092 2830524 17.29 183888 1410064 4234760 24.31 896272 3424824 8420 08:40:05 5961724 7412160 8534420 52.12 186552 1437100 9358936 53.72 929852 9108024 660 08:50:05 8287088 9755100 6192312 37.82 187472 1453780 7083204 40.66 935972 6778400 272 09:00:05 11561952 13186920 2764268 16.88 196228 1596896 3789200 21.75 1001360 3458508 12504 09:10:04 9887388 11568420 4381852 26.76 198036 1651136 5236124 30.06 1009692 5120676 360 09:20:05 9906556 11605596 4344688 26.54 198620 1668548 5260892 30.20 1012812 5097928 268 09:30:04 8550284 10271828 5677728 34.68 199380 1690300 6736916 38.67 1016868 6440788 352 09:40:04 8172872 9918540 6030872 36.83 200080 1713552 6837624 39.25 1068280 6766744 444 09:50:04 12392512 14161912 1790184 10.93 200612 1736732 2882944 16.55 1070400 2566636 22612 10:00:05 9764860 11676180 4274472 26.11 204988 1867976 5099692 29.27 1087020 5158736 492 10:10:05 8586880 10529016 5420656 33.11 205652 1898076 6114008 35.09 1098720 6314108 316 Average: 8743627 11017724 4929248 30.11 201947 2206619 5940116 34.10 1113142 6118644 4022 08:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:20:05 lo 3.50 3.50 2.38 2.38 0.00 0.00 0.00 0.00 08:20:05 ens3 126.55 95.15 1871.59 10.77 0.00 0.00 0.00 0.00 08:20:05 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 08:30:03 lo 44.26 44.26 28.19 28.19 0.00 0.00 0.00 0.00 08:30:03 ens3 2.13 1.99 0.50 0.43 0.00 0.00 0.00 0.00 08:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:05 lo 37.18 37.18 15.43 15.43 0.00 0.00 0.00 0.00 08:40:05 ens3 1.70 1.88 0.27 1.27 0.00 0.00 0.00 0.00 08:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:05 lo 10.27 10.27 5.25 5.25 0.00 0.00 0.00 0.00 08:50:05 ens3 0.49 0.33 0.12 0.08 0.00 0.00 0.00 0.00 08:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:05 lo 7.87 7.87 4.06 4.06 0.00 0.00 0.00 0.00 09:00:05 ens3 0.88 0.80 0.24 0.21 0.00 0.00 0.00 0.00 09:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:04 lo 20.79 20.79 10.96 10.96 0.00 0.00 0.00 0.00 09:10:04 ens3 0.84 0.78 0.21 0.16 0.00 0.00 0.00 0.00 09:10:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:05 lo 13.28 13.28 5.68 5.68 0.00 0.00 0.00 0.00 09:20:05 ens3 0.51 0.50 0.11 0.09 0.00 0.00 0.00 0.00 09:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:04 lo 21.82 21.82 8.58 8.58 0.00 0.00 0.00 0.00 09:30:04 ens3 0.38 0.27 0.08 0.05 0.00 0.00 0.00 0.00 09:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:04 lo 21.36 21.36 10.81 10.81 0.00 0.00 0.00 0.00 09:40:04 ens3 6.53 4.57 3.83 5.75 0.00 0.00 0.00 0.00 09:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:04 lo 11.33 11.33 6.03 6.03 0.00 0.00 0.00 0.00 09:50:04 ens3 0.47 0.35 0.10 0.07 0.00 0.00 0.00 0.00 09:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:05 lo 11.58 11.58 7.29 7.29 0.00 0.00 0.00 0.00 10:00:05 ens3 0.84 0.80 0.26 0.21 0.00 0.00 0.00 0.00 10:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:05 lo 29.27 29.27 11.62 11.62 0.00 0.00 0.00 0.00 10:10:05 ens3 0.84 0.69 0.19 0.15 0.00 0.00 0.00 0.00 10:10:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.37 19.37 9.68 9.68 0.00 0.00 0.00 0.00 Average: ens3 11.85 9.01 156.46 1.60 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-23651) 06/04/26 _x86_64_ (4 CPU) 08:08:41 LINUX RESTART (4 CPU) 08:10:05 CPU %user %nice %system %iowait %steal %idle 08:20:05 all 50.59 0.00 2.67 2.40 0.10 44.24 08:20:05 0 47.65 0.00 2.71 2.32 0.10 47.24 08:20:05 1 51.36 0.00 2.80 1.95 0.11 43.78 08:20:05 2 53.69 0.00 2.74 1.91 0.11 41.55 08:20:05 3 49.64 0.00 2.45 3.43 0.10 44.37 08:30:03 all 62.33 0.00 2.27 0.23 0.14 35.04 08:30:03 0 62.12 0.00 2.36 0.19 0.14 35.19 08:30:03 1 62.89 0.00 2.28 0.22 0.14 34.48 08:30:03 2 61.58 0.00 2.18 0.25 0.13 35.86 08:30:03 3 62.72 0.00 2.26 0.25 0.14 34.63 08:40:05 all 27.48 0.00 1.02 1.39 0.11 70.00 08:40:05 0 26.93 0.00 0.99 1.17 0.11 70.80 08:40:05 1 28.04 0.00 1.04 1.38 0.11 69.42 08:40:05 2 27.58 0.00 1.04 0.74 0.11 70.54 08:40:05 3 27.38 0.00 1.01 2.26 0.11 69.24 08:50:05 all 10.59 0.00 0.53 0.07 0.07 88.73 08:50:05 0 10.25 0.00 0.50 0.12 0.07 89.06 08:50:05 1 10.59 0.00 0.60 0.03 0.08 88.70 08:50:05 2 11.07 0.00 0.51 0.08 0.07 88.26 08:50:05 3 10.46 0.00 0.50 0.06 0.07 88.91 09:00:05 all 25.83 0.00 0.87 0.12 0.09 73.09 09:00:05 0 24.92 0.00 0.85 0.23 0.08 73.92 09:00:05 1 26.73 0.00 0.83 0.04 0.09 72.31 09:00:05 2 25.91 0.00 0.88 0.16 0.09 72.95 09:00:05 3 25.74 0.00 0.91 0.06 0.09 73.20 09:10:04 all 22.95 0.00 0.73 0.28 0.09 75.95 09:10:04 0 22.53 0.00 0.67 0.07 0.09 76.64 09:10:04 1 23.12 0.00 0.79 0.09 0.09 75.92 09:10:04 2 22.97 0.00 0.71 0.82 0.09 75.41 09:10:04 3 23.19 0.00 0.75 0.14 0.09 75.84 09:20:05 all 7.79 0.00 0.45 0.24 0.07 91.46 09:20:05 0 7.71 0.00 0.39 0.57 0.06 91.27 09:20:05 1 8.38 0.00 0.53 0.05 0.08 90.95 09:20:05 2 7.49 0.00 0.46 0.17 0.07 91.81 09:20:05 3 7.56 0.00 0.42 0.16 0.06 91.80 09:30:04 all 9.50 0.00 0.48 0.03 0.08 89.92 09:30:04 0 9.32 0.00 0.47 0.02 0.07 90.13 09:30:04 1 9.36 0.00 0.46 0.07 0.08 90.04 09:30:04 2 9.42 0.00 0.51 0.03 0.08 89.96 09:30:04 3 9.88 0.00 0.48 0.02 0.08 89.54 09:40:04 all 11.61 0.00 0.56 0.07 0.08 87.69 09:40:04 0 11.12 0.00 0.55 0.04 0.08 88.21 09:40:04 1 11.69 0.00 0.54 0.05 0.08 87.64 09:40:04 2 12.01 0.00 0.64 0.09 0.08 87.18 09:40:04 3 11.60 0.00 0.52 0.07 0.08 87.73 09:50:04 all 4.37 0.00 0.37 0.19 0.06 95.01 09:50:04 0 4.35 0.00 0.31 0.51 0.05 94.78 09:50:04 1 4.60 0.00 0.41 0.12 0.07 94.80 09:50:04 2 4.65 0.00 0.38 0.09 0.06 94.82 09:50:04 3 3.89 0.00 0.37 0.05 0.05 95.64 10:00:05 all 17.86 0.00 0.72 1.35 0.08 80.00 10:00:05 0 18.13 0.00 0.70 0.79 0.08 80.30 10:00:05 1 17.57 0.00 0.80 3.63 0.08 77.93 10:00:05 2 18.25 0.00 0.69 0.75 0.08 80.23 10:00:05 3 17.48 0.00 0.69 0.22 0.07 81.55 10:00:05 CPU %user %nice %system %iowait %steal %idle 10:10:05 all 12.44 0.00 0.60 0.67 0.08 86.20 10:10:05 0 11.78 0.00 0.56 0.38 0.10 87.18 10:10:05 1 12.83 0.00 0.57 0.39 0.07 86.14 10:10:05 2 12.50 0.00 0.67 1.83 0.07 84.93 10:10:05 3 12.67 0.00 0.60 0.10 0.07 86.57 Average: all 21.92 0.00 0.94 0.59 0.09 76.47 Average: 0 21.38 0.00 0.92 0.53 0.09 77.08 Average: 1 22.23 0.00 0.97 0.67 0.09 76.04 Average: 2 22.23 0.00 0.95 0.58 0.09 76.15 Average: 3 21.82 0.00 0.91 0.57 0.08 76.61