---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-45302 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 714 11644 3 3630 14924 Swap: 1023 11 1012 ---> 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:bf:2a:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.232/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79508sec preferred_lft 79508sec inet6 fe80::f816:3eff:febf:2a27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:ef:0f:56:0f:ec 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::10ef:fff:fe56:fec/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-45302) 03/25/26 _x86_64_ (4 CPU) 10:54:33 LINUX RESTART (4 CPU) 11:00:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:10:07 81.71 3.40 75.06 3.24 136.74 26187.86 9324.10 11:20:21 52.00 29.79 21.06 1.15 432.99 1597.15 839.27 11:30:35 25.48 0.61 9.30 15.57 21.20 316.42 206741.97 11:40:34 10.06 0.11 9.46 0.49 4.51 534.66 1243.58 11:50:35 17.80 0.43 16.67 0.70 7.03 563.49 802.25 12:00:35 6.59 0.09 6.27 0.23 2.87 205.36 311.13 12:10:35 7.64 0.03 7.29 0.32 1.36 251.03 136.48 12:20:35 2.47 0.03 2.42 0.02 0.71 43.27 10.79 12:30:35 4.17 0.03 4.02 0.12 1.44 143.20 101.25 12:40:21 10.31 0.44 9.45 0.42 13.35 682.11 457.49 Average: 21.95 3.56 16.13 2.26 63.14 3054.12 22412.05 11:00:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:10:07 1498456 4758208 11172936 68.24 258368 2964956 12830944 73.65 2051268 12220400 2380 11:20:21 7639392 10008292 5922876 36.17 265888 2169956 7067020 40.56 1881208 6336072 2152 11:30:35 3709444 6107692 9823008 59.99 267672 2197576 10960376 62.91 1903092 10261712 192 11:40:34 12801484 15309904 625860 3.82 272060 2303364 1371820 7.87 1943180 1157208 10136 11:50:35 12717400 15311736 623780 3.81 274552 2386888 1371516 7.87 1961136 1229748 12644 12:00:35 8568896 11180920 4752892 29.03 275456 2403676 5481148 31.46 1963440 5352312 188 12:10:35 7446072 10095528 5837780 35.65 276228 2440348 6710812 38.52 1966444 6475332 200 12:20:35 10449804 13101588 2832460 17.30 276584 2442320 3600208 20.67 1967044 3451036 196 12:30:35 7110836 9785024 6147904 37.55 276944 2464364 6891940 39.56 1970544 6809128 232 12:40:21 8500800 11327436 4606480 28.13 281360 2611772 5260900 30.20 1988732 5404308 220 Average: 8044258 10698633 5234598 31.97 272511 2438522 6154668 35.33 1959609 5869726 2854 11:00:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:10:07 lo 12.82 12.82 12.08 12.08 0.00 0.00 0.00 0.00 11:10:07 ens3 40.63 28.84 643.15 3.16 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:21 lo 32.38 32.38 15.87 15.87 0.00 0.00 0.00 0.00 11:20:21 ens3 2.06 1.59 0.46 0.37 0.00 0.00 0.00 0.00 11:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:35 lo 32.51 32.51 13.33 13.33 0.00 0.00 0.00 0.00 11:30:35 ens3 1.24 0.84 0.29 0.21 0.00 0.00 0.00 0.00 11:30:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:34 lo 11.62 11.62 6.21 6.21 0.00 0.00 0.00 0.00 11:40:34 ens3 1.22 0.68 0.32 0.21 0.00 0.00 0.00 0.00 11:40:34 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:35 lo 12.85 12.85 7.20 7.20 0.00 0.00 0.00 0.00 11:50:35 ens3 1.72 1.10 0.34 1.59 0.00 0.00 0.00 0.00 11:50:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:35 lo 19.68 19.68 9.30 9.30 0.00 0.00 0.00 0.00 12:00:35 ens3 1.58 0.65 0.31 0.18 0.00 0.00 0.00 0.00 12:00:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:35 lo 28.60 28.60 11.36 11.36 0.00 0.00 0.00 0.00 12:10:35 ens3 1.36 0.55 0.33 0.21 0.00 0.00 0.00 0.00 12:10:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:35 lo 15.22 15.22 6.47 6.47 0.00 0.00 0.00 0.00 12:20:35 ens3 0.81 0.53 0.20 0.14 0.00 0.00 0.00 0.00 12:20:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:35 lo 17.72 17.72 10.51 10.51 0.00 0.00 0.00 0.00 12:30:35 ens3 1.01 0.57 0.23 0.16 0.00 0.00 0.00 0.00 12:30:35 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:21 lo 17.90 17.90 9.95 9.95 0.00 0.00 0.00 0.00 12:40:21 ens3 1.91 1.10 0.63 0.45 0.00 0.00 0.00 0.00 12:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.19 20.19 10.25 10.25 0.00 0.00 0.00 0.00 Average: ens3 5.35 3.65 64.62 0.67 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-45302) 03/25/26 _x86_64_ (4 CPU) 10:54:33 LINUX RESTART (4 CPU) 11:00:05 CPU %user %nice %system %iowait %steal %idle 11:10:07 all 51.30 0.00 2.20 4.74 0.15 41.61 11:10:07 0 52.98 0.00 2.13 4.53 0.14 40.22 11:10:07 1 51.00 0.00 2.44 5.61 0.14 40.81 11:10:07 2 50.98 0.00 2.19 4.13 0.18 42.52 11:10:07 3 50.22 0.00 2.06 4.71 0.13 42.88 11:20:21 all 40.77 0.00 1.63 0.98 0.14 56.49 11:20:21 0 39.82 0.00 1.69 1.41 0.14 56.95 11:20:21 1 40.52 0.00 1.64 0.49 0.14 57.22 11:20:21 2 41.88 0.00 1.66 0.76 0.14 55.56 11:20:21 3 40.87 0.00 1.51 1.24 0.15 56.23 11:30:35 all 23.83 0.00 0.98 0.63 0.11 74.44 11:30:35 0 23.75 0.00 0.91 0.86 0.11 74.38 11:30:35 1 24.60 0.00 1.07 0.41 0.12 73.80 11:30:35 2 24.52 0.00 1.03 0.99 0.11 73.35 11:30:35 3 22.45 0.00 0.93 0.28 0.11 76.23 11:40:34 all 16.08 0.00 0.72 0.06 0.09 83.06 11:40:34 0 15.66 0.00 0.58 0.03 0.08 83.65 11:40:34 1 15.85 0.00 0.67 0.14 0.10 83.24 11:40:34 2 16.26 0.00 0.88 0.05 0.09 82.73 11:40:34 3 16.56 0.00 0.73 0.02 0.08 82.61 11:50:35 all 28.38 0.00 0.95 0.77 0.09 69.82 11:50:35 0 29.60 0.00 0.84 1.68 0.10 67.78 11:50:35 1 27.77 0.00 0.96 0.35 0.10 70.82 11:50:35 2 27.93 0.00 0.96 0.39 0.09 70.63 11:50:35 3 28.22 0.00 1.01 0.64 0.09 70.04 12:00:35 all 14.03 0.00 0.58 0.09 0.09 85.21 12:00:35 0 13.64 0.00 0.54 0.21 0.09 85.53 12:00:35 1 13.67 0.00 0.56 0.06 0.09 85.62 12:00:35 2 14.23 0.00 0.63 0.06 0.09 84.99 12:00:35 3 14.57 0.00 0.61 0.02 0.09 84.71 12:10:35 all 15.56 0.00 0.68 0.55 0.09 83.12 12:10:35 0 14.82 0.00 0.71 0.25 0.08 84.14 12:10:35 1 16.13 0.00 0.70 0.35 0.10 82.72 12:10:35 2 15.28 0.00 0.68 0.41 0.09 83.53 12:10:35 3 16.00 0.00 0.64 1.17 0.08 82.11 12:20:35 all 3.14 0.00 0.25 0.15 0.08 96.39 12:20:35 0 3.19 0.00 0.21 0.08 0.07 96.45 12:20:35 1 3.29 0.00 0.31 0.21 0.09 96.10 12:20:35 2 3.24 0.00 0.27 0.19 0.08 96.22 12:20:35 3 2.83 0.00 0.21 0.09 0.07 96.80 12:30:35 all 9.64 0.00 0.50 1.10 0.09 88.67 12:30:35 0 9.50 0.00 0.44 0.61 0.07 89.38 12:30:35 1 9.68 0.00 0.54 2.65 0.10 87.02 12:30:35 2 9.61 0.00 0.51 0.90 0.09 88.89 12:30:35 3 9.79 0.00 0.51 0.22 0.09 89.39 12:40:21 all 20.29 0.00 0.79 1.13 0.08 77.71 12:40:21 0 20.15 0.00 0.82 2.56 0.08 76.39 12:40:21 1 19.44 0.00 0.79 0.56 0.08 79.13 12:40:21 2 20.44 0.00 0.75 0.39 0.08 78.34 12:40:21 3 21.15 0.00 0.80 0.99 0.08 76.97 Average: all 22.34 0.00 0.93 1.02 0.10 75.61 Average: 0 22.36 0.00 0.89 1.22 0.10 75.44 Average: 1 22.24 0.00 0.97 1.08 0.11 75.61 Average: 2 22.48 0.00 0.96 0.83 0.10 75.63 Average: 3 22.30 0.00 0.90 0.94 0.10 75.76